Produits et services

Medical apparatus and instruments; diagnostic apparatus for medical purposes; ultrasonic medical diagnostic apparatus; tomographs for medical purposes; radiological apparatus for medical purposes; radiotherapy apparatus; ultrasonic imaging apparatus for medical purposes; ultrasound apparatus for medical purposes; medical ultrasound apparatus; x-ray apparatus for medical purposes; magnetic resonance imaging [MRI] apparatus for medical purposes.

Abrégé

Systems and methods for image optimization are provided. The systems may obtain an initial image of a target object. The systems may also obtain a correlation reference image that is generated based on a reference image associated with the target object. The reference image may have a second image quality higher than a first image quality of the initial image, and the correlation reference image may have a third image quality lower than the second image quality. The systems may further determine an optimized image of the initial image by inputting the initial image and the correlation reference image to an optimization model. The optimization model may refer to a machine learning model that is configured for high-resolved and noise-reduced reconstruction using priori information existing in the reference image. The optimized image may have a fourth image quality higher than the first image quality.

Classes IPC  ?

• G06T 5/50 - Amélioration ou restauration d'image utilisant plusieurs images, p. ex. moyenne ou soustraction
• G06T 5/60 - Amélioration ou restauration d'image utilisant l’apprentissage automatique, p. ex. les réseaux neuronaux
• G06T 5/70 - DébruitageLissage

Abrégé

The present disclosure relates to a deviation acquisition method for a single-photon emission computed tomography system, which includes: controlling a target object to move to a first target position through a translation stage, and determining an actual detection position of the target object detected by a system detector in a current pose; obtaining at least one first expected pose deviation; determining at least one expected detection position of the target object based on the first target position and the at least one first expected pose deviation, and obtaining at least one first position difference between the at least one expected detection position and the actual detection position; and determining an actual pose deviation between the expected pose and the current pose of the system detector based on the at least one first position difference corresponding to the at least one first expected pose deviation.

Classes IPC  ?

• G01T 7/00 - Détails des instruments de mesure des radiations
• G01T 1/164 - Scintigraphie

Abrégé

Embodiments of the present disclosure may provide a system, a method, and a device for X-ray imaging. The method may include: obtaining a grayscale of a current frame of an object, wherein the current frame is obtained by performing X-ray imaging on the object based on current performing parameters; determining an updated equivalent phantom thickness of the object based on the grayscale of the current frame, the current performing parameters, and a pre-stored correspondence, wherein the pre-stored correspondence reflects dose values corresponding to a plurality of equivalent phantom thicknesses and a plurality of performing parameters; and determining target performing parameters of a next frame of the object based on the updated equivalent phantom thickness, a target grayscale, and the pre-stored correspondence.

Classes IPC  ?

• A61B 6/58 - Leur essai, réglage ou étalonnage
• A61B 6/00 - Appareils ou dispositifs pour le diagnostic par radiationsAppareils ou dispositifs pour le diagnostic par radiations combinés avec un équipement de thérapie par radiations
• A61B 6/40 - Agencements pour générer des radiations spécialement adaptés au diagnostic par radiations

Abrégé

A system for remote physical examination may include an operator end and a patient end. The operator end may include a first extended reality device. The patient end may include a physical examination device. The physical examination device may be configured to obtain physical information of a patient, send the physical information to the first extended reality device, receive examination information from the extended reality device, and perform a second target examination operation on the patient based on the examination information. The first extended reality device may be configured to generate a digital twin model of the patient based on the physical information; cause the digital twin model to be displayed, determine the examination information based on a first target examination operation performed, based on the digital twin model through the first extended reality device, by an operator, and send the examination information to the physical examination device.

Classes IPC  ?

• A61B 5/00 - Mesure servant à établir un diagnostic Identification des individus
• G16H 10/60 - TIC spécialement adaptées au maniement ou au traitement des données médicales ou de soins de santé relatives aux patients pour des données spécifiques de patients, p. ex. pour des dossiers électroniques de patients
• G16H 15/00 - TIC spécialement adaptées aux rapports médicaux, p. ex. leur création ou leur transmission
• G16H 40/67 - TIC spécialement adaptées à la gestion ou à l’administration de ressources ou d’établissements de santéTIC spécialement adaptées à la gestion ou au fonctionnement d’équipement ou de dispositifs médicaux pour le fonctionnement d’équipement ou de dispositifs médicaux pour le fonctionnement à distance
• G16H 50/20 - TIC spécialement adaptées au diagnostic médical, à la simulation médicale ou à l’extraction de données médicalesTIC spécialement adaptées à la détection, au suivi ou à la modélisation d’épidémies ou de pandémies pour le diagnostic assisté par ordinateur, p. ex. basé sur des systèmes experts médicaux
• G16H 80/00 - TIC spécialement adaptées pour faciliter la communication entre les professionnels de la santé ou les patients, p. ex. pour le diagnostic collaboratif, la thérapie collaborative ou la surveillance collaborative de l’état de santé

Abrégé

The present disclosure provides systems and methods for automated scan preparation and real-time monitoring/adjustment in medical imaging. The automated scan preparation may include positioning a target subject to be scanned by a medical imaging device, determining a rotation scheme of the medical imaging device, targeting a scan region of the target subject with an imaging isocenter of the medical imaging device, determining target position(s) of component(s) of the medical imaging device, performing a virtual scan, generating a reference subject model representing an internal structure of the target subject, or the like. The real-time monitoring/adjustment operations may include achieving automatic brightness stabilization, monitoring a posture of the target subject, adjusting the position of component(s) of the medical imaging device, estimating a dose distribution, monitoring a treatment of the target subject, performing a motion correction, or the like.

Classes IPC  ?

• A61B 6/58 - Leur essai, réglage ou étalonnage
• A61B 6/04 - Mise en position des patientsLits inclinables ou similaires
• A61B 6/46 - Agencements pour l’interface avec l’opérateur ou avec le patient

Abrégé

A method for generating image processing models is provided. The method is implemented on a computing device having at least one processor and at least one storage device. The method includes obtaining sample medical images corresponding to a plurality of tracer types; clustering the plurality of tracer types into a plurality of tracer clusters based on the sample medical images, each tracer cluster including one or more tracer types of the plurality of tracer types; for each tracer cluster, generating an image processing model corresponding to the tracer cluster by training an initial image processing model using first sample medical images of the sample medical images, the first sample medical images corresponding to the one or more tracer types in the tracer cluster.

Classes IPC  ?

• G06T 7/00 - Analyse d'image

Abrégé

A method implemented on a first wearable device worn on a first user to be examined may be provided. The method may include receiving a stimulation instruction to apply a target stimulation on the first user from a second wearable device. The stimulation instruction may be invoked by a second user via touching a second position of the second wearable device. The method may also include determining one or more stimulation parameters relating to the target stimulation based on the stimulation instruction. The one or more stimulation parameters may at least include a target body part to be stimulated determined based on the second position. The method may also include performing the target stimulation on the target body part of the first user based on the one or more stimulation parameters. The method may further include determining feedback information of the first user with respect to the target stimulation.

Classes IPC  ?

• A61B 5/00 - Mesure servant à établir un diagnostic Identification des individus
• A61B 5/256 - Électrodes portables, p. ex. avec des sangles ou des bandes

Abrégé

A medical image generation method is provided. A PET dynamic image of a target part of a scanned object is obtained, a quality analysis is performed on the PET dynamic image to determine a first single frame image that meets quality enhancement requirements, the first single frame image corresponding to an initial single frame duration. A second set of scanning data corresponding to a first single frame duration of the PET dynamic image are obtained when a count of coincidence events corresponding to the first single frame image is less than a count threshold. The first single frame duration is obtained by extending the initial single frame duration. A target single frame image of the target part is constructed based on the second set of scanning data, and the count of coincidence events corresponding to the second set of scanning data is greater than or equal to the count threshold.

Classes IPC  ?

• A61B 6/03 - Tomographie informatisée
• A61B 6/00 - Appareils ou dispositifs pour le diagnostic par radiationsAppareils ou dispositifs pour le diagnostic par radiations combinés avec un équipement de thérapie par radiations
• G16H 30/40 - TIC spécialement adaptées au maniement ou au traitement d’images médicales pour le traitement d’images médicales, p. ex. l’édition

Abrégé

A therapeutic apparatus may be provided. The therapeutic apparatus may include a radiation therapy device configured to apply therapeutic radiation to a region of interest (ROI). The radiation therapy device may include an accelerator configured to accelerate electrons in an electron beam to produce a radiation beam of the therapeutic radiation, a magnetic resonance imaging (MRI) device configured to acquire MRI data with respect to the ROI. The MRI device may include an annular cryostat including at least one annular structure enclosing one or more chambers.

Classes IPC  ?

• G01R 33/38 - Systèmes pour produire, homogénéiser ou stabiliser le champ magnétique directeur ou le champ magnétique à gradient
• A61N 5/10 - RadiothérapieTraitement aux rayons gammaTraitement par irradiation de particules
• G01R 33/385 - Systèmes pour produire, homogénéiser ou stabiliser le champ magnétique directeur ou le champ magnétique à gradient utilisant des bobines de champ magnétique à gradient
• H05H 7/00 - Détails des dispositifs des types couverts par les groupes

Abrégé

The embodiments of the present disclosure provides a method for determining parameters related to a medical operation. The method includes obtaining optical image information of a target object. The optical image information may include a target part of the target object to be irradiated. The method further includes determining the parameters related to the medical operation based on the optical image information.

Classes IPC  ?

• G16H 30/40 - TIC spécialement adaptées au maniement ou au traitement d’images médicales pour le traitement d’images médicales, p. ex. l’édition
• A61B 5/08 - Dispositifs de mesure pour examiner les organes respiratoires
• A61N 5/10 - RadiothérapieTraitement aux rayons gammaTraitement par irradiation de particules
• G16H 30/20 - TIC spécialement adaptées au maniement ou au traitement d’images médicales pour le maniement d’images médicales, p. ex. DICOM, HL7 ou PACS

Abrégé

A wearable radio frequency (RF) coil assembly for a magnetic resonance device is provided, including a plurality of malleable conductors forming a plurality of RF coils and a plurality of flexible cladding layers. At least two of the plurality of flexible cladding layers have an overlapping region, the overlapping region is capable of being adjusted, and the plurality of RF coils are disposed within the plurality of flexible cladding layers. Each of the plurality of flexible cladding layers is provided with a plurality of connecting components. The plurality of flexible cladding layers are connected to each other to enable the wearable RF coil assembly to form a wearable structure. The wearable structure adapts to detection sites of various sizes or shapes. When the wearable structure is worn by a detection object, an inner surface of the wearable structure adheres to a detection site of the detection object.

Classes IPC  ?

• G01R 33/34 - Détails de structure, p. ex. résonateurs
• A61B 5/055 - Détection, mesure ou enregistrement pour établir un diagnostic au moyen de courants électriques ou de champs magnétiquesMesure utilisant des micro-ondes ou des ondes radio faisant intervenir la résonance magnétique nucléaire [RMN] ou électronique [RME], p. ex. formation d'images par résonance magnétique

Abrégé

Embodiments of the present disclosure provide a method, a system, and a medium for attenuation correction. The method includes obtaining radiological coincidence event data of a target object using an imaging device; obtaining transmission data related to the target object; and obtaining an attenuation-corrected radiological image by performing an attenuation correction and reconstruction based on the transmission data and the radiological coincidence event data.

Classes IPC  ?

• G06T 11/00 - Génération d'images bidimensionnelles [2D]

Abrégé

A control device used for controlling a display of a medical image sequence on a display device may be provided. The control device may include a touch control panel. The touch control panel may include a plurality of predetermined regions corresponding to a plurality of gesture instructions. The control device may be configured to receive a target gesture instruction with respect to a target predetermined region among the plurality of predetermined regions. In response to the target gesture instruction, the control device may be configured to generate a control signal for controlling the display device to perform a target operation on the medical image sequence based on a corresponding relationship between the plurality of gesture instructions and a plurality of operations of the display device.

Classes IPC  ?

• G06F 3/04886 - Techniques d’interaction fondées sur les interfaces utilisateur graphiques [GUI] utilisant des caractéristiques spécifiques fournies par le périphérique d’entrée, p. ex. des fonctions commandées par la rotation d’une souris à deux capteurs, ou par la nature du périphérique d’entrée, p. ex. des gestes en fonction de la pression exercée enregistrée par une tablette numérique utilisant un écran tactile ou une tablette numérique, p. ex. entrée de commandes par des tracés gestuels par partition en zones à commande indépendante de la surface d’affichage de l’écran tactile ou de la tablette numérique, p. ex. claviers virtuels ou menus
• G06F 3/0482 - Interaction avec des listes d’éléments sélectionnables, p. ex. des menus
• G06F 3/04845 - Techniques d’interaction fondées sur les interfaces utilisateur graphiques [GUI] pour la commande de fonctions ou d’opérations spécifiques, p. ex. sélection ou transformation d’un objet, d’une image ou d’un élément de texte affiché, détermination d’une valeur de paramètre ou sélection d’une plage de valeurs pour la transformation d’images, p. ex. glissement, rotation, agrandissement ou changement de couleur
• G16H 30/40 - TIC spécialement adaptées au maniement ou au traitement d’images médicales pour le traitement d’images médicales, p. ex. l’édition

Produits et services

Computer software platforms, recorded or downloadable; data processing apparatus; Software as a medical device [SaMD], downloadable; Computer software applications, downloadable; computer software, recorded; Computer software for processing digital images; computer operating programs; Radiation detectors; Electrical and electronic components; Central processing units for processing information, data, sound or images; Optical apparatus and instruments; Detectors; Ultrasonic probes, other than for medical use; Scanning probes, other than for medical use; Ultrasonic detectors [non-medical]; Nuclear detectors for detecting radiation particles; Electromagnetic Measuring Detectors; Sensors, detectors and monitoring equipment; ultrasonic imaging apparatus, not for medical purposes; Scanning probe microscopes.

Produits et services

Downloadable computer software platforms for controlling and operating a medical imaging apparatus; Recorded computer software platforms for controlling and operating a medical imaging apparatus; data processing apparatus; Downloadable medical software for processing and displaying images on ultrasound medical imaging machines; downloadable computer operating programs; Downloadable computer software for processing digital images; Radiation detectors; electronic components, namely detector components for the conversion of information based on ionizing irradiation being radiation detectors and radiation converters; Central processing units for processing information, data, sound or images; Optical scanners; Optical inspection apparatus; Ultrasound probes, not for medical use; Downloadable medical imaging software that records, monitors and analyzes data using a catheter based ultrasound imaging probe; Probes for scientific purposes; Electromagnetic measuring detectors

Abrégé

A method for setting protocol parameters, including: obtaining a current setting value of a target protocol parameter in a scanning protocol to be verified, the current setting value being set by a user through a terminal device; determining a statistical distribution situation of historical setting values of the target protocol parameter and a relative position of the current setting value in the statistical distribution situation; and generating prompt information relating to parameter setting based on the relative position.

Classes IPC  ?

• A61B 6/00 - Appareils ou dispositifs pour le diagnostic par radiationsAppareils ou dispositifs pour le diagnostic par radiations combinés avec un équipement de thérapie par radiations
• A61B 6/46 - Agencements pour l’interface avec l’opérateur ou avec le patient

Abrégé

Methods and systems for controlling a voltage of an X-ray imaging system and X-ray imaging systems are provided. A method includes: obtaining an initial tube voltage and a target tube voltage; and adjusting an actual tube voltage of the X-ray imaging system by controlling a working state of one or more devices of the X-ray imaging system based on the initial tube voltage and the target tube voltage in an inter-frame period of time. An output voltage of a high voltage generator is changed to the target tube voltage required when the X-ray imaging system starts imaging to obtain the target frame in the inter-frame period of time, so that the actual tube voltage is equal to or close to the target tube voltage when the target frame is loaded.

Classes IPC  ?

• H05G 1/10 - Dispositions de l'alimentation en énergie pour alimenter le tube radiogène à rayons X

Abrégé

Systems and methods for medical imaging are provided. The systems obtain motion state information of a region of interest (ROI) of a target object during a scanning process of the target object. The scanning process includes multiple scan phases that are scanned sequentially. The motion state information includes at least one of a movement probability or a movement level representing a position change of the target object in each scan phase. The systems perform at least one of during the scanning process, displaying the motion state information corresponding to at least one of multiple scan phases that has been scanned, or after the scanning process is completed, displaying the motion state information corresponding to the multiple scan phases and a medical image of the target object obtained in the scanning process.

Classes IPC  ?

• G06T 7/00 - Analyse d'image
• G06T 7/215 - Découpage basé sur le mouvement
• G06T 11/00 - Génération d'images bidimensionnelles [2D]
• G06T 11/20 - Traçage à partir d'éléments de base, p. ex. de lignes ou de cercles

Abrégé

The present disclosure provides a system and method for generating radiation treatment plan. The method may include obtaining a plurality of beam angles of an arc for radiation treatment and preliminary segment parameters of control points associated with the plurality of beam angles. The method may also include grouping the plurality of beam angles into at least two sets so that each pair of two consecutive beam angles of the plurality of beam angles belong to different sets of the at least two sets, and determining the target segment parameters of the control points in each of the at least two sets by optimizing, based on a leaf motion constraint, the preliminary segment parameters of the control points associating with the plurality of beam angles. The method may further include generating a treatment plan based on the target segment parameters.

Classes IPC  ?

• A61N 5/10 - RadiothérapieTraitement aux rayons gammaTraitement par irradiation de particules

Abrégé

The present disclosure provides a detection apparatus and an imaging apparatus. The detection apparatus may include an installation chamber, one or more detection units and a cooling assembly. The one or more detection units may be arranged in the installation chamber, and the installation chamber may include an air inlet and an air outlet. The cooling assembly may be configured to cool the one or more detection units.

Classes IPC  ?

• A61B 6/00 - Appareils ou dispositifs pour le diagnostic par radiationsAppareils ou dispositifs pour le diagnostic par radiations combinés avec un équipement de thérapie par radiations

Abrégé

Embodiments of the present disclosure provide a magnetic resonance imaging (MRI) system and method. The MRI system includes a signal receiving assembly and a data processor. The signal receiving assembly is configured to acquire a nuclear spin magnetic field signal of an object. The data processor is configured to generate a magnetic resonance image of the object based on the nuclear spin magnetic field signal. The signal receiving assembly includes a magnetic sensor array.

Classes IPC  ?

• G06T 11/00 - Génération d'images bidimensionnelles [2D]
• G06T 7/00 - Analyse d'image

Abrégé

The present application relates to the technical field of wireless power transmission. Provided are a wireless slip ring magnetic coupling structure and a computed tomography system. The magnetic coupling structure comprises a rotor and a stator. The rotor comprises an annular rotating rack (6), a secondary winding coil (8) and a baffle (7), wherein the secondary winding coil is wound on the rotating rack along a first annular groove (10) of the rotating rack and is fixed by means of the baffle. The stator comprises an annular fixed rack (4), a primary winding coil (5) and a plurality of discrete C-shaped magnetic cores (13), wherein the fixed rack is coaxial with the rotating rack and is located on the radial outer side of the rotating rack or is arranged parallel to the rotating rack in an axial direction, the primary winding coil is wound on the fixed platform along a second annular groove (9) of the fixed rack, and the area of the rotating rack where the secondary winding coil is wound and the fixed rack pass through the C-shaped magnetic cores. By means of the design, the power transmission performance can be improved, and the mechanical structure is more stable, such that the structure can be practically applied to products with a high rotating speed, a high frequency and a high power.

Classes IPC  ?

• H02J 50/10 - Circuits ou systèmes pour l'alimentation ou la distribution sans fil d'énergie électrique utilisant un couplage inductif

Abrégé

The present disclosure discloses a wireless power transmission apparatus and an imaging device comprising the same. The wireless power transmission apparatus comprises: a first annular structure, provided with a first magnetic core assembly and a first framework, wherein the first magnetic core assembly is provided on a circumference of the first annular structure, the first framework is wound with a first winding, and the first winding passes through a window of the magnetic core in the first magnetic core assembly; and a second annular structure, provided with a second framework, wherein the second framework is wound with a second winding, and the second winding passes through the window of the magnetic core in the first magnetic core assembly; and the first winding is used for receiving an alternating voltage and transmitting the alternating voltage to the second winding.

Classes IPC  ?

• H02J 50/00 - Circuits ou systèmes pour l'alimentation ou la distribution sans fil d'énergie électrique
• A61B 6/00 - Appareils ou dispositifs pour le diagnostic par radiationsAppareils ou dispositifs pour le diagnostic par radiations combinés avec un équipement de thérapie par radiations
• H02J 50/10 - Circuits ou systèmes pour l'alimentation ou la distribution sans fil d'énergie électrique utilisant un couplage inductif

Produits et services

Medical apparatus and instruments, namely, computerised tomography apparatus and their structural components, digital medical X-ray imaging apparatus and their structural components, X-ray diagnostic apparatus and their structural components; Medical imaging apparatus; Computed tomography [CT] apparatus; Wireless digital detector for use with x-ray systems; X-ray radiographic imaging systems comprised of an x-ray source, detector panel and software; detector panels for radiological panels; Electric medical apparatus, in particular detectors for medical imaging devices; Detectors for medical applications.

Abrégé

A controlling system method docking for a mobile patient bed with a medical device. The method may include: obtaining, based on a docking instruction, positioning information of a target; controlling, based on the positioning information of the target, a movement of the mobile patient bed; and in response to determining that the mobile patient bed moves into a docking region of the medical device, controlling the mobile patient bed to dock with the medical device using a first docking structure on the mobile patient bed and a second docking structure on the medical device, wherein the first docking structure and the second docking structure are mechanical connection structures. By adopting the embodiments of the present disclosure, an operator may carry a mobile device to move, and control the movement of the patient bed by continuously changing a position of the mobile device, or may enable the patient bed to obtain an automatically planned path through the positioning information of the medical device and to move along the automatically planned path.

Classes IPC  ?

• A61G 7/08 - Appareils pour le transport des lits

Abrégé

The present disclosure provides a system and method for couch position calibration. The method may include obtaining one or more first images of a couch at one or more first locations in a first device, each of the one or more first images corresponding to one of the one or more first locations, wherein the couch includes a mark, and the mark intersects a first reference plane of the first device at a plurality of first points of the mark; determining, in each of the one or more first images, a first position of a representation of each of the plurality of first points; obtaining correlation information between the first position and actual position of each of the plurality of first points; and determining one or more calibration images based on the correlation information and the one or more first images.

Classes IPC  ?

• G06V 20/50 - Contexte ou environnement de l’image
• A61N 5/10 - RadiothérapieTraitement aux rayons gammaTraitement par irradiation de particules

Produits et services

Medical apparatus and instruments, namely, computed tomography apparatus and their structural components, digital medical X-ray imaging apparatus and their structural components, X-ray diagnostic apparatus and their structural components; Medical imaging apparatus; Medical equipment, namely, computed tomography (CT) apparatus; tomographs for medical purposes; CT scanner component, namely, integral component of the image chain of a CT scanner for capturing X-rays and converting them to information that creates the image; Wireless digital detector, namely, a medical imaging device for use with x-ray systems; X-ray apparatuses for medical purposes, namely, x-ray radiographic imaging systems comprised of an x-ray source, detector panel and software; X-ray apparatus for medical purposes, namely, detector panels for radiological panels; Electric medical apparatus, in particular photon detectors and X-ray detectors for medical imaging devices; Detectors for medical applications

Produits et services

beds specially made for medical purposes; Medical apparatus and instruments, namely, medical imaging apparatus; radiotherapy apparatus; X-ray apparatus for medical purposes; Radiological apparatus for medical purposes; tomographs for medical purposes; ultrasound apparatus for medical purposes; magnetic resonance imaging apparatus for medical purposes; Diagnostic apparatus for medical purposes, namely, medical and electromedical magnetic resonance imaging machines and their components, computed tomography machines and their structural components, digital medical X-ray imaging apparatus and their structural components, medical devices for the treatment of cardiovascular diseases and tumors and their structural components, medical imaging devices which employ image reconstruction technology and their structural components; Medical apparatus and instruments, namely, medical and electromedical magnetic resonance imaging machines and their components, computed tomography machines and their structural components, digital medical X-ray imaging apparatus and their structural components, medical devices for the treatment of cardiovascular diseases and tumors and their structural components, medical imaging devices which employ image reconstruction technology and their structural components

Produits et services

Diagnostic apparatus for medical purposes; Radiotherapy apparatus; Radiological apparatus for medical purposes; Tomographs for medical purposes; X-ray apparatus for medical purposes; Medical imaging apparatus; X-ray diagnostic apparatus; Radioisotope therapy apparatus and instruments; Apparatus and installations for the production of X-rays, for medical purposes; X-ray CT scanners; Computed tomography (CT) apparatus; Beds specially made for medical purposes.

Produits et services

Radiotherapy apparatus; Radiological apparatus for medical purposes; Radiation therapy machines and related recorded software sold as a unit; Medical equipment, namely, computed tomography (CT) apparatus; Single-photon emission computed tomography (SPECT) scanners for medical purposes; Tomographs for medical purposes; X-ray apparatus for medical purposes; Medical imaging apparatus; Medical diagnostic apparatus for testing tumors, nerves and heart diseases; X-ray diagnostic apparatus; Medical apparatus and instruments for diagnostic radiopharmaceutical use; Medical apparatus and instruments for use in radiotherapy procedures; Medical imaging apparatus for use in the field of radiology; Radioisotope therapy apparatus and instruments; Beds specially made for medical purposes

Produits et services

beds specially made for medical purposes; Medical apparatus and instruments, namely medical imaging apparatus; radiotherapy apparatus; X-ray apparatus for medical purposes; Radiological apparatus for medical purposes; tomographs for medical purposes; ultrasound apparatus for medical purposes; magnetic resonance imaging apparatus for medical purposes; Diagnostic apparatus for medical puposes, namely, computed tomography machines and their structural components, digital medical X-ray imaging apparatus and their structural components, medical devices for the treatment of cardiovascular diseases and tumors and their structural components, medical imaging devices which employ image reconstruction technology and their structural components; Medical apparatus and instruments, namely, computed tomography machines and their structural components, digital medical X-ray imaging apparatus and their structural components, medical devices for the treatment of cardiovascular diseases and tumors and their structural components, medical imaging devices which employ image reconstruction technology and their structural components

Produits et services

beds specially made for medical purposes; computed tomography [CT] apparatus; radiotherapy apparatus; X-ray apparatus for medical purposes; Radiological apparatus for medical purposes; tomographs for medical purposes; ultrasound apparatus for medical purposes; magnetic resonance imaging [MRI] apparatus for medical purposes; diagnostic apparatus for medical purposes; medical apparatus and instruments.

Produits et services

Computer programs [downloadable software]; computer software applications, downloadable; computer software, recorded; computer software platforms, recorded or downloadable; data processing apparatus; Central processing units for processing information, data, sound or images; Computer programs for editing images, sound and video; Computer software for controlling self-service terminals; Computer programs for enabling access or entrance control; software as a medical device [SaMD], downloadable. research and development of new products for others; conducting technical project studies; Medical research laboratory services; clinical trials; software as a service [SaaS]; maintenance of computer software; Development and creation of computer programmes for data processing; development of computer platforms; electronic data storage; platform as a service [PaaS].

Produits et services

beds specially made for medical purposes; computed tomography [CT] apparatus; radiotherapy apparatus; X-ray apparatus for medical purposes; Radiological apparatus for medical purposes; tomographs for medical purposes; ultrasound apparatus for medical purposes; magnetic resonance imaging [MRI] apparatus for medical purposes; diagnostic apparatus for medical purposes; medical apparatus and instruments.

Produits et services

Image scanners; Magnetic resonance imaging apparatus, not for medical purposes; Data processing apparatus; Recorded computer software using artificial intelligence (AI) for use in magnetic resonance imaging; Downloadable computer programs using artificial intelligence (AI) for use in magnetic resonance imaging; Downloadable computer software using artificial intelligence (AI) for use in magnetic resonance imaging; Recorded computer programs using artificial intelligence (AI) for use in magnetic resonance imaging; Recorded computer operating software; Downloadable computer software for processing digital images; Recorded computer programs for editing images, sound, and video; Central processing units for processing information, data, sound or images; Downloadable image files containing medical diagnostic information; Downloadable Software as a Medical Device (SaMD) for wireless remote control of and synchronization of computed tomography (CT) apparatus

Produits et services

Computer software applications, downloadable; Software as a medical device [SaMD], downloadable; Computer software relating to the medical field; Software for dosimetry purposes in the field of radiotherapy; Computer software, recorded; Computer software platforms, recorded or downloadable; Computer operating programs, recorded; Computer programs, recorded; Computer programs, downloadable; Couplers [data processing equipment]; Data processing apparatus; Computer hardware.

Produits et services

Downloadable computer software applications for radiation therapy quality control for use in machine malfunctions detection and radiotherapy plan status monitoring; Recorded computer software for use in radiation therapy quality control for machine malfunctions detection and radiotherapy plan status monitoring; Downloadable Software as a Medical Device (SaMD) for use as a medical instrument for radiation therapy quality control; Recorded computer operating system software; Downloadable computer software platforms for radiation therapy quality control; Recorded computer software platforms for radiation therapy quality control; Recorded computer programs for use in machine malfunctions detection and radiotherapy plan status monitoring; Downloadable computer programs for use in machine malfunctions detection and radiotherapy plan status monitoring; Data processing equipment, namely, couplers; Computer hardware; Data processing apparatus; Computer operating programs, recorded

Abrégé

A scanning apparatus (110), a medical image obtaining method, and a medical image obtaining system (100) are provided. The scanning apparatus (110) comprises a gantry, a controller, a C-shaped arm, a radiation source (112), and a detector (113). The radiation source (112) and the detector (113) are arranged at both ends of the C-shaped arm. The C-shaped arm is connected to the gantry. The controller is configured to control a motion of the gantry to drive the C-shaped arm to move so as to scan a target object.

Classes IPC  ?

• A61B 6/00 - Appareils ou dispositifs pour le diagnostic par radiationsAppareils ou dispositifs pour le diagnostic par radiations combinés avec un équipement de thérapie par radiations
• A61B 6/03 - Tomographie informatisée
• A61B 6/40 - Agencements pour générer des radiations spécialement adaptés au diagnostic par radiations

Abrégé

An electron gun may include a cathode with an emitting surface configured to emit electrons. The cathode may include a through hole that goes through the emitting surface and is configured to allow back-streaming electrons of the emitted electrons to pass through. The electron gun may also include an anode configured to attract the emitted electrons from the cathode to the anode and focus the emitted electrons into an electron beam. The electron gun may also include a grid structure configured to facilitate the focusing of the emitted electrons, the grid structure being positioned corresponding to the through hole.

Classes IPC  ?

• H01J 3/02 - Canons à électrons
• H01J 1/02 - Électrodes principales

Abrégé

The embodiments of the present disclosure provide an intervention operation robot and a system for intervention operation control. The system comprises: an injection auxiliary device configured to assist an injection instrument for injection; an intervention operation robot configured to convey an intervention instrument; an image acquisition device configured to acquire one or more images; and a control device configured to generate one or more control instructions based on feedback information from at least one of the injection auxiliary device, the intervention operation robot, and the image acquisition device, and send the one or more control instructions to at least one of the injection auxiliary device, the intervention operation robot, and the image acquisition device. The intervention operation robot includes an instrument conveying member and a robotic arm.

Classes IPC  ?

• A61B 34/30 - Robots chirurgicaux
• A61M 5/00 - Dispositifs pour faire pénétrer des agents dans le corps par introduction sous-cutanée, intravasculaire ou intramusculaireAccessoires à cet effet, p. ex. dispositifs de remplissage ou de nettoyage, appuis-bras
• A61B 17/00 - Instruments, dispositifs ou procédés chirurgicaux

Produits et services

Radiotherapy apparatus; Radiological apparatus for medical purposes; Medical equipment, namely, computed tomography (CT) apparatus; Single-photon emission computed tomography (SPECT) scanners for medical purposes; Tomographs for medical purposes; X-ray apparatus for medical purposes; Medical imaging apparatus; Medical diagnostic apparatus for testing tumors, nerves and heart diseases; X-ray diagnostic apparatus; Medical apparatus and instruments for diagnostic radiopharmaceutical use; Medical apparatus and instruments for use in radiotherapy procedures; Medical imaging apparatus for use in the field of radiology; Radioisotope therapy apparatus and instruments; Beds specially made for medical purposes; Nuclear medicine diagnostic imaging apparatus; Medical apparatus and instrument for diagnostic use, namely, apparatus for medical diagnostic testing in the fields of cancer or other tissue-based diagnostic testing, cytology and cell-based testing; Medical apparatus and instruments, namely, multimodal imaging apparatus with single photon emission computed tomography and computed tomography

Produits et services

diagnostic apparatus for medical purposes; medical apparatus and instruments; magnetic resonance imaging (MRI) diagnostic apparatus; Magnetic resonance imaging [MRI] apparatus for medical purposes; Radioisotope therapy apparatus and instruments; Ultrasound apparatus for medical purposes; Apparatus for magnet therapy; High frequency electromagnetic therapy apparatus; Magnetic resonance imaging (MRI) apparatus; beds specially made for medical purposes.

Produits et services

Diagnostic apparatus for medical purposes; Radiotherapy apparatus; Radiological apparatus for medical purposes; X-ray apparatus for medical purposes; Medical imaging apparatus; Diagnostic imaging apparatus for medical use; X-ray diagnostic apparatus; Apparatus and installations for the production of X-rays, for medical purposes; Apparatus for analysing images [for medical use]; Beds specially made for medical purposes.

Produits et services

Diagnostic apparatus for medical purposes, namely, medical and electromedical magnetic resonance imaging machines and their structural components, medical imaging devices which employ image reconstruction technology and their structural components; medical apparatus and instruments, namely, medical and electromedical magnetic resonance imaging machines and their structural components, medical imaging devices which employ image reconstruction technology and their structural components; radiological apparatus for diagnostic and medical purposes, namely, magnetic resonance imager; magnetic resonance imaging apparatus for medical purposes; radioisotope therapy apparatus and instruments; ultrasound apparatus for medical purposes; apparatus for magnet therapy; high frequency electromagnetic therapy apparatus; nuclear medicine diagnostic imaging apparatus; beds specially made for medical purposes

Abrégé

A method for correcting a digital subtraction angiography image is disclosed. The method includes: performing a first registration on a first scan image and a reference image to obtain a second scan image; performing a second registration on a region of interest of the second scan image and a region of interest of the reference image to obtain a third scan image; calculating a buffer area between the third scan image and the second scan image, and performing transition processing on the buffer area, to obtain a processed buffer area image; and fusing the second scan image, the third scan image, and the processed buffer area image to obtain a corrected scan image. A computer device and a non-volatile computer readable storage medium are also disclosed.

Classes IPC  ?

• G06T 7/33 - Détermination des paramètres de transformation pour l'alignement des images, c.-à-d. recalage des images utilisant des procédés basés sur les caractéristiques
• G06T 3/02 - Transformations affines

Abrégé

The embodiments of the present description provide methods and system for constructing four-dimensional magnetic resonance images. A method comprises: determining a data acquisition mode of each phase on the basis of a real-time motion signal of an object; acquiring original data of the object according to the data acquisition mode; classifying the original data to obtain data of multiple categories, wherein data of each category corresponds to a different phase; and performing image reconstruction on the data of the multiple categories to obtain a four-dimensional magnetic resonance image.

Classes IPC  ?

• G01R 33/48 - Systèmes d'imagerie RMN
• A61B 5/055 - Détection, mesure ou enregistrement pour établir un diagnostic au moyen de courants électriques ou de champs magnétiquesMesure utilisant des micro-ondes ou des ondes radio faisant intervenir la résonance magnétique nucléaire [RMN] ou électronique [RME], p. ex. formation d'images par résonance magnétique

Abrégé

One or more embodiments of the present disclosure relate to a CT topogram scan method, system and device. The CT topogram scan method is applied to a dual-source CT system or a multi-source CT system. The dual-source CT system or the multi-source CT system includes a first imaging device and a second imaging device. The CT topogram scan method comprises: obtaining a spatial parameter of an object; determining a scanning scheme based on the spatial parameter, wherein in the scanning scheme, the object is located within a first scanning field of view (FOV) of the first imaging device, and the object is located within a second scanning FOV of the second imaging device;and scanning the object according to the scanning scheme.

Classes IPC  ?

• A61B 6/03 - Tomographie informatisée

Abrégé

A therapeutic ultrasound system may be provided. The therapeutic ultrasound system may comprise a therapeutic ultrasound probe. The therapeutic ultrasound probe may comprise treatment blocks each of which includes one or more ultrasonic transducer arrays. Each of the one or more ultrasonic transducer arrays may include one or more ultrasonic transducers. The treatment blocks may be movable to rotate around a reference axis and/or adjust an angle with respect to the reference axis.

Classes IPC  ?

• A61N 7/00 - Thérapie par ultrasons

Abrégé

Embodiments of the present disclosure provide a medical system and method. The medical system includes an equipment room, a plurality of medical rooms, the imaging device, and a plurality of shielding doors. The imaging device includes the movable imaging component. The movable imaging component is shared by the plurality of medical rooms, and the movable imaging component is configured to move between the equipment room and the plurality of medical rooms. For each of the plurality of shielding doors, the shielding door is provided between one of the plurality of medical rooms and the equipment room.

Classes IPC  ?

• A61B 6/50 - Appareils ou dispositifs pour le diagnostic par radiationsAppareils ou dispositifs pour le diagnostic par radiations combinés avec un équipement de thérapie par radiations spécialement adaptés à des parties du corps spécifiquesAppareils ou dispositifs pour le diagnostic par radiationsAppareils ou dispositifs pour le diagnostic par radiations combinés avec un équipement de thérapie par radiations spécialement adaptés à des applications cliniques spécifiques
• A61B 6/00 - Appareils ou dispositifs pour le diagnostic par radiationsAppareils ou dispositifs pour le diagnostic par radiations combinés avec un équipement de thérapie par radiations
• A61B 6/10 - Moyens de sécurité spécialement adaptés à cet effet
• G16H 40/20 - TIC spécialement adaptées à la gestion ou à l’administration de ressources ou d’établissements de santéTIC spécialement adaptées à la gestion ou au fonctionnement d’équipement ou de dispositifs médicaux pour la gestion ou l’administration de ressources ou d’établissements de soins de santé, p. ex. pour la gestion du personnel hospitalier ou de salles d’opération
• G16H 40/63 - TIC spécialement adaptées à la gestion ou à l’administration de ressources ou d’établissements de santéTIC spécialement adaptées à la gestion ou au fonctionnement d’équipement ou de dispositifs médicaux pour le fonctionnement d’équipement ou de dispositifs médicaux pour le fonctionnement local

Abrégé

The present disclosure provides a high-voltage generator, which includes a high-voltage transformer. The high-voltage transformer includes M magnetic core assembly, M primary windings, and M*N secondary windings. The magnetic core assembly includes M magnetic pillar sets. The M primary windings are respectively wound on the M magnetic pillar sets. N layers of the secondary windings are concentrically wound on each of the primary windings, and M, N are positive integers. The M primary windings are configured such that first ends of the M primary windings receive the input of the M-phase AC power and second ends of the M primary windings are interconnected.

Classes IPC  ?

• H05G 1/20 - Dispositions de l'alimentation en énergie pour alimenter le tube radiogène à rayons X avec du courant alternatif haute fréquenceDispositions de l'alimentation en énergie pour alimenter le tube radiogène à rayons X avec des trains d'impulsions
• H02M 3/335 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu avec transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrodes de commande pour produire le courant alternatif intermédiaire utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs
• H05G 1/12 - Dispositions de l'alimentation en énergie pour alimenter le tube radiogène à rayons X avec du courant continu ou du courant alternatif redressé

Abrégé

A gradient coil assembly and a magnetic resonance imaging system comprising a Z-axis gradient coil are provided. The gradient coil assembly comprises a Z-axis gradient coil. The Z-axis gradient coil comprising a first coil and a second coil, the first coil and the second coil being arranged along an axial direction of the Z-axis gradient coil. The first coil comprises a first subcoil and a second subcoil. The first subcoil and the second subcoil extend alongside each other. The second coil comprises a third subcoil and a fourth subcoil. The third subcoil and the fourth subcoil extend alongside each other.

Classes IPC  ?

• G01R 33/385 - Systèmes pour produire, homogénéiser ou stabiliser le champ magnétique directeur ou le champ magnétique à gradient utilisant des bobines de champ magnétique à gradient
• G01R 33/421 - Blindage du champ magnétique principal ou du champ magnétique à gradient

Abrégé

The present disclosure provides a transformer and an X-ray system. The transformer includes M primary windings and M*N distributed magnetic cores. The M primary windings are supplied with a M-phase alternating current, a first end of each of the M primary windings is supplied with an alternating current of a corresponding phase in the M-phase alternating current, and second ends of the M primary windings are connected to each other after passing through a plurality of distributed magnetic cores in the M*N distributed magnetic cores. The secondary winding on each distributed magnetic core is connected to a corresponding one of a plurality of rectifier units connected in series to output a secondary voltage.

Classes IPC  ?

• H01F 27/28 - BobinesEnroulementsConnexions conductrices
• H01F 27/24 - Noyaux magnétiques
• H05G 2/00 - Appareils ou procédés spécialement adaptés à la production de rayons X, n'utilisant pas de tubes à rayons X, p. ex. utilisant la génération d'un plasma

Abrégé

A particle accelerator includes an acceleration cavity chain and at least one energy switch side cavity. The energy switch side cavity is communicated with two adjacent main cavities in the acceleration cavity chain through coupling openings respectively. The energy switch side cavity includes a pair of asymmetric side cavity noses arranged therein and an energy switch probe arranged at a top position thereof. The energy switch probe is configured to extend from the top position of the energy switch side cavity to a space between the pair of side cavity noses.

Classes IPC  ?

• A61N 5/10 - RadiothérapieTraitement aux rayons gammaTraitement par irradiation de particules
• H05H 7/22 - Détails d'accélérateurs linéaires, p. ex. tubes de glissement
• H05H 9/04 - Accélérateurs linéaires à ondes stationnaires

Abrégé

The present application relates to a fragrance release method and apparatus, a fragrance release system, and a storage medium. The method comprises: acquiring multi-modal data of a target object in a target medical space of a medical device, wherein the multi-modal data comprises at least one of physiological information, facial expression information, and vocal information; processing the multi-modal data using an emotion recognition model to obtain an emotion recognition result of the target object; and determining, on the basis of examination information and the emotion recognition results of the target object, a target fragrance release mode for releasing fragrance for the target object.

Classes IPC  ?

• A61M 21/00 - Autres dispositifs ou méthodes pour amener un changement dans l'état de conscienceDispositifs pour provoquer ou arrêter le sommeil par des moyens mécaniques, optiques ou acoustiques, p. ex. pour mettre en état d'hypnose

Abrégé

The embodiments of the present disclosure provide medical imaging methods and systems. A method, implemented by a computing device including at least one processor and at least one storage device, comprises: obtaining a first target image of a target subject, the first target image being taken by a camera system; determining a marker in the first target image, the marker being configured to characterize a scanning position; and determining a scanning range of a medical imaging device for scanning the target subject based on the marker.

Classes IPC  ?

• A61B 6/03 - Tomographie informatisée
• A61B 6/04 - Mise en position des patientsLits inclinables ou similaires
• G06T 7/00 - Analyse d'image
• H04N 17/00 - Diagnostic, test ou mesure, ou leurs détails, pour les systèmes de télévision
• A61B 5/11 - Mesure du mouvement du corps entier ou de parties de celui-ci, p. ex. tremblement de la tête ou des mains ou mobilité d'un membre

Abrégé

A data transmission system for MR imaging is provided. The system comprises: a signal converting device configured to receive analog MR signals collected by a receiver coil in an MR scan, transform the analog MR signals into digital MR signals, generate transmission data based on the digital MR signals, and transmit the transmission data to a signal processing device via a first communication link between the signal converting device and the signal processing device; and the signal processing device configured to receive the transmission data from the signal converting device via the first communication link and resolve the digital MR signals from the transmission data, wherein the signal converting device and the signal processing device are disposed at different circuit boards.

Classes IPC  ?

• G01R 33/36 - Détails électriques, p. ex. adaptations ou couplage de la bobine au récepteur
• A61B 5/055 - Détection, mesure ou enregistrement pour établir un diagnostic au moyen de courants électriques ou de champs magnétiquesMesure utilisant des micro-ondes ou des ondes radio faisant intervenir la résonance magnétique nucléaire [RMN] ou électronique [RME], p. ex. formation d'images par résonance magnétique

Produits et services

Medical apparatus and instruments; Diagnostic apparatus for medical purposes; Radiotherapy apparatus; Radiological apparatus for medical purposes; Tomographs for medical purposes; X-ray apparatus for medical purposes; Medical imaging apparatus; X-ray diagnostic apparatus; Radioisotope therapy apparatus and instruments; Apparatus and installations for the production of X-rays, for medical purposes; X-ray CT scanners; Computed tomography (CT) apparatus; Beds specially made for medical purposes.

Produits et services

Medical apparatus and instruments; diagnostic apparatus for medical purposes; radiotherapy apparatus; radiological apparatus for medical purposes; X-ray apparatus for medical purposes; Medical imaging apparatus; Diagnostic imaging apparatus for medical use; X-ray diagnostic apparatus; apparatus and installations for the production of X-rays, for medical purposes; Apparatus for analysing images [for medical use]; beds specially made for medical purposes.

Produits et services

Medical apparatus and instruments; diagnostic apparatus for medical purposes; ultrasonic medical diagnostic apparatus; cardiac probes; radiological apparatus for medical purposes; ultrasonic imaging apparatus for medical purposes; ultrasonic probes for medical use; ultrasound apparatus for medical purposes; radiotherapy apparatus; magnetic resonance imaging [MRI] apparatus for medical purposes.

Produits et services

Medical apparatus and instruments; diagnostic apparatus for medical purposes; ultrasonic medical diagnostic apparatus; tomographs for medical purposes; radiological apparatus for medical purposes; ultrasonic imaging apparatus for medical purposes; medical ultrasound apparatus; ultrasound apparatus for medical purposes; x-ray apparatus for medical purposes; magnetic resonance imaging [MRI] apparatus for medical purposes.

Abrégé

A data link detection method is disclosed. The method includes: determining a target data sub-link in a data link, the data link including at least one data sub-link; sending a detection instruction to a sending component in the target data sub-link to instruct the sending component to send detection data to a receiving component in the target data sub-link for detection; and receiving a detection result corresponding to the target data sub-link. A PET/CT imaging system and a readable storage medium are disclosed.

Classes IPC  ?

• A61B 6/00 - Appareils ou dispositifs pour le diagnostic par radiationsAppareils ou dispositifs pour le diagnostic par radiations combinés avec un équipement de thérapie par radiations
• A61B 6/03 - Tomographie informatisée
• G01T 1/29 - Mesure effectuée sur des faisceaux de radiations, p. ex. sur la position ou la section du faisceauMesure de la distribution spatiale de radiations

Abrégé

An object positioning device provided by the present disclosure includes at least one coil and a positioning plate. At least a part of the at least one coil is configured to be embedded in the positioning plate.

Classes IPC  ?

• G01R 33/34 - Détails de structure, p. ex. résonateurs
• A61B 5/00 - Mesure servant à établir un diagnostic Identification des individus

Abrégé

The present disclosure provides methods and systems for image processing. The methods may include obtaining multiple black blood images of a first region of a target subject. The methods may further include generating a first segment result by inputting the black blood images into multiple input channels of a blood vessel segmentation model. The first segment result may include blood vessel segments of first blood vessels in the first region, the blood vessel segmentation model may be a trained machine learning model, and each of the black blood images may be randomly designated as an input image of one of the input channels.

Classes IPC  ?

• G06T 7/00 - Analyse d'image
• G06T 5/50 - Amélioration ou restauration d'image utilisant plusieurs images, p. ex. moyenne ou soustraction
• G06T 7/12 - Découpage basé sur les bords
• G06T 7/30 - Détermination des paramètres de transformation pour l'alignement des images, c.-à-d. recalage des images
• G06T 7/66 - Analyse des attributs géométriques des moments d'image ou du centre de gravité
• G06V 10/25 - Détermination d’une région d’intérêt [ROI] ou d’un volume d’intérêt [VOI]
• G16H 30/40 - TIC spécialement adaptées au maniement ou au traitement d’images médicales pour le traitement d’images médicales, p. ex. l’édition

Abrégé

The present disclosure provides a system and method for image reconstruction. The method may include obtaining training samples, the training samples including at least one sample first image generated based on a first tracer, at least one reference first image each of which corresponds to one of the at least one sample first image and has a higher image quality than the corresponding sample first image, at least one sample second image generated based on a second tracer different from the first tracer, and at least one reference second image each of which corresponds to one of the at least one sample second images and has a higher image quality than the corresponding sample second image; and generating a trained image processing model by training a preliminary model using the training samples.

Classes IPC  ?

• G06T 7/00 - Analyse d'image
• G06T 11/00 - Génération d'images bidimensionnelles [2D]

Produits et services

Medical apparatus and instruments; diagnostic apparatus for medical purposes; ultrasonic medical diagnostic apparatus; tomographs for medical purposes; radiological apparatus for medical purposes; ultrasonic imaging apparatus for medical purposes; medical ultrasound apparatus; ultrasound apparatus for medical purposes; x-ray apparatus for medical purposes; radiotherapy apparatus; magnetic resonance imaging [MRI] apparatus for medical purposes.

Abrégé

The present disclosure provides systems, devices, and methods for image registration. The methods include obtaining a first medical image and a second medical image of a target subject, the first medical image indicating blood vessels of the target subject, the second medical image indicating an interventional tool in the target subject; determining an initial registration relationship between the first medical image and the second medical image; determining, based on a first physiological feature of the target subject at an acquisition time of the second medical image, a first motion state of the blood vessels at the acquisition time; and determining a target registration relationship between the first medical image and the second medical image based on the initial registration relationship and the first motion state of the blood vessels.

Classes IPC  ?

• G06T 7/33 - Détermination des paramètres de transformation pour l'alignement des images, c.-à-d. recalage des images utilisant des procédés basés sur les caractéristiques
• G06T 7/00 - Analyse d'image
• G06T 7/12 - Découpage basé sur les bords
• G06T 7/246 - Analyse du mouvement utilisant des procédés basés sur les caractéristiques, p. ex. le suivi des coins ou des segments
• G06T 7/73 - Détermination de la position ou de l'orientation des objets ou des caméras utilisant des procédés basés sur les caractéristiques

Produits et services

Radiotherapy apparatus; Radiological apparatus for medical purposes; Medical imaging apparatus; X-ray apparatus for medical purposes; X-ray diagnostic apparatus; Medical apparatus and instruments for use in digital radiography procedures; Medical imaging apparatus for use in the field of radiology; Medical imaging apparatus for diagnosing medical conditions; Medical image processors; Beds specially made for medical purposes

Produits et services

Radiotherapy apparatus; Radiological apparatus for medical purposes; Medical imaging apparatus; X-ray apparatus for medical purposes; X-ray diagnostic apparatus; Medical diagnostic apparatus for testing chest and bones; Medical apparatus and instruments for use in digital radiography procedures; Medical imaging apparatus for use in the field of radiology; Medical imaging apparatus for diagnosing medical conditions; Medical image processors; Beds specially made for medical purposes

Abrégé

A generating method, a system, and a device of a scanning image, and a computer-readable storage medium are provided. The method includes: scanning different positions of a target object, respectively, by changing a passing region of an imaging beam emitted from a scanning imaging source, obtaining a plurality of scanning data of the target object, and obtaining a scanning image corresponding to the target object based on the plurality of scanning data of the target object.

Classes IPC  ?

• G21K 1/04 - Dispositions pour manipuler des particules ou des rayonnements ionisants, p. ex. pour focaliser ou pour modérer utilisant des diaphragmes, des collimateurs utilisant des diaphragmes à ouverture variable, des obturateurs, des hacheurs

Abrégé

A reconstructing method and a reconstructing apparatus of a medical image, a computer device, and a storage medium are provided. The method includes: acquiring a signal data set obtained by performing signal detection on a detected object via a detector array, determining an effective detecting range of each detector in the detector array when a detecting scenario is a target scenario, and extracting target signal data of each detector within a respective effective detecting range from the signal data set, and reconstructing a medical detecting image of the detected object based on the target signal data. The detector array is configured to siege the detected object in three dimensions and detect a trace signal emitted by the detected object to obtain the signal data set.

Classes IPC  ?

• G06T 11/00 - Génération d'images bidimensionnelles [2D]

Abrégé

A method for calibrating a photoelectric conversion module of a gamma detector is provided, where the gamma detector includes a scintillation crystal and a plurality of photomultiplier tubes. The method includes acquiring a plurality of sets of background data, each including photoelectric signals generated by the photomultiplier tubes based on an interaction of the scintillation crystal with a cosmic ray, determining interaction positions based on the background data, where the scintillation crystal interacts with cosmic rays respectively, determining target regions of the photomultiplier tubes based on positions of the photomultiplier tubes, respectively, obtaining an energy spectrum of each of the photomultiplier tubes based on the background data corresponding to the interaction positions that fall within the target region of each of the photomultiplier tubes, and calibrating a relative gain of each of the photomultiplier tubes based on the corresponding energy spectrum.

Classes IPC  ?

• G01T 7/00 - Détails des instruments de mesure des radiations
• G01T 1/20 - Mesure de l'intensité de radiation avec des détecteurs à scintillation

Abrégé

The present disclosure provides a method for evaluating a hemodynamic characteristic, comprising: obtaining a medical image of a subject, the medical image including at least a portion of a vascular structure; determining at least one property parameter of the vascular structure by inputting the medical image into a trained parameter determination model; and determining at least one hemodynamic characteristic of the vascular structure by inputting the at least one property parameter into a vascular fluid dynamic model.

Classes IPC  ?

• G16H 50/50 - TIC spécialement adaptées au diagnostic médical, à la simulation médicale ou à l’extraction de données médicalesTIC spécialement adaptées à la détection, au suivi ou à la modélisation d’épidémies ou de pandémies pour la simulation ou la modélisation des troubles médicaux

Produits et services

Computer programs, downloadable; computer software platforms, recorded or downloadable; data processing apparatus; downloadable image files; computer operating programs, recorded; software as a medical device [SaMD], downloadable; monitors [computer programs]; computer software, recorded; computer programs, recorded; computer software applications, downloadable.

Abrégé

A method for artifact removal of a medical image and a DSA system are provided. The method includes: acquiring an image set of a collected position in a target portion, the image set including a mask image and a contrast image in one-to-one correspondence; performing global registration on the mask image and the contrast image of the collected position, and obtaining a first registration result; performing local registration on the image set after the global registration based on the first registration result, and obtaining a corresponding second registration result; and performing subtraction on the image set after the local registration based on the second registration result, and obtaining a subtraction image of the target portion.

Classes IPC  ?

• G06T 5/50 - Amélioration ou restauration d'image utilisant plusieurs images, p. ex. moyenne ou soustraction
• G06T 7/30 - Détermination des paramètres de transformation pour l'alignement des images, c.-à-d. recalage des images
• G06V 10/25 - Détermination d’une région d’intérêt [ROI] ou d’un volume d’intérêt [VOI]
• G06V 10/75 - Organisation de procédés de l’appariement, p. ex. comparaisons simultanées ou séquentielles des caractéristiques d’images ou de vidéosApproches-approximative-fine, p. ex. approches multi-échellesAppariement de motifs d’image ou de vidéoMesures de proximité dans les espaces de caractéristiques utilisant l’analyse de contexteSélection des dictionnaires

Abrégé

Embodiments of the present disclosure provide a method for preparing a detector module, a photon counting detector, and a device. The method for preparing a detector module comprises disposing a first conductive adhesive on a solder pad on a first surface of a first substrate; solidifying the first conductive adhesive to form studs; disposing a second conductive adhesive on the studs; forming a detector unit by connecting a crystal unit and the first surface of the first substrate through the second conductive adhesive; and forming the detector module based on the detector unit.

Classes IPC  ?

• H01L 21/60 - Fixation des fils de connexion ou d'autres pièces conductrices, devant servir à conduire le courant vers le ou hors du dispositif pendant son fonctionnement

Abrégé

Provided in the embodiments of this specification are an apparatus and method for tracking the position of a radioactive source. The apparatus for tracking the position of a radioactive source (400) comprises: at least one incident window (410), the incident window (410) being arranged on a filtering apparatus (330) of a radioactive source (310); and a detector (420), configured for receiving rays passing through the incident window (410) so as to determine an change in the position of the radioactive source (310) on the basis of the received rays.

Classes IPC  ?

• A61B 6/06 - Diaphragmes
• A61B 6/40 - Agencements pour générer des radiations spécialement adaptés au diagnostic par radiations
• A61B 6/42 - Agencements pour détecter des radiations spécialement adaptés au diagnostic par radiations
• A61B 6/58 - Leur essai, réglage ou étalonnage
• A61B 6/00 - Appareils ou dispositifs pour le diagnostic par radiationsAppareils ou dispositifs pour le diagnostic par radiations combinés avec un équipement de thérapie par radiations

Abrégé

Disclosed is a radiation therapy system and shim method thereof. The system includes: a magnet container, a therapy assembly including one or more magnetic components; and a plurality of target shim members. Each of the plurality of target shim members has parameter characteristics and spatial characteristics, and at least one of the parameter characteristics and the spatial characteristics of at least two of the plurality of target shim members is different. The method includes: obtaining a first main magnetic field; and for each of a plurality of first magnetic field sub-regions, in response to a difference between a magnetic field strength of the first magnetic field sub-region and a magnetic field strength of another first magnetic field sub-region adjacent to the first magnetic field sub-region being greater than a first preset threshold, determining a plurality of target shim members in the radiation therapy system.

Classes IPC  ?

• A61N 5/10 - RadiothérapieTraitement aux rayons gammaTraitement par irradiation de particules
• G01R 33/3875 - Compensation des inhomogénéités utilisant des ensembles de bobines de correction, p. ex. compensation active
• G01R 33/56 - Amélioration ou correction de l'image, p. ex. par des techniques de soustraction ou d'établissement de moyenne

Abrégé

A method and system for visual registration of an image are provided. The method may include obtaining multiple images; establishing a registration relationship model including multiple registration relationships each of which is of at least two of the multiple images; and displaying at least a portion of the multiple registration relationships on a user interface, wherein one of the multiple registration relationships presents at least one of a registration mode, a registration direction, or a reference image for registration of at least two of the multiple images.

Classes IPC  ?

• G06T 3/14 - Transformations pour le recalage d’images, p. ex. ajustement ou mappage pour l’alignement d’images
• G06T 7/33 - Détermination des paramètres de transformation pour l'alignement des images, c.-à-d. recalage des images utilisant des procédés basés sur les caractéristiques

Abrégé

Systems and methods for determining a target multi-source model of a radiation source corresponding to an energy spectrum is provided. The systems may obtain an initial multi-source model of the radiation source, which includes an initial phase space file that includes information of a plurality of simulated particles of a plurality of energy levels. The systems may estimate, based on the initial phase space file, a plurality of component PDD curves corresponding to the plurality of energy levels. The systems may obtain a measured PDD curve corresponding to radiation of the energy spectrum. For each energy level, the systems may determine, based on the plurality of component PDD curves and the measured PDD curve, a weight for the each energy level. The systems may further determine the target multi-source model of the radiation source based at least in part on the initial multi-source model and the weights.

Classes IPC  ?

• A61N 5/10 - RadiothérapieTraitement aux rayons gammaTraitement par irradiation de particules

Abrégé

The present disclosure relates to systems and methods for determining coincidence events. The systems and methods may obtain a cycle difference between a first clock cycle at which a first single event occurs and a second clock cycle at which a second single event occurs. The systems and methods may also obtain a first time-to-digital converter (TDC) value of the first single event and a second TDC value of the second single event. The systems and methods may then determine a difference between the first single event and the second single event based on the cycle difference, the first TDC value, and the second TDC value, and determine whether the first single event and the second single event have a coincidence relationship according to the difference.

Classes IPC  ?

• A61B 6/00 - Appareils ou dispositifs pour le diagnostic par radiationsAppareils ou dispositifs pour le diagnostic par radiations combinés avec un équipement de thérapie par radiations
• A61B 6/03 - Tomographie informatisée
• G04F 10/00 - Appareils pour mesurer des intervalles de temps inconnus par des moyens électriques

Abrégé

The present disclosure relates to a cavity of a medical device. The cavity may include a bore and an accommodating cavity configured to provide an accommodating space for at least a portion of a couch in a radial direction of the bore. The accommodating cavity may be disposed on an inner wall of the bore and extend along an axial direction of the bore, and the accommodating cavity may be configured to form, with the bore, a connected space in which the at least a portion of the couch is allowed to move along an axial direction of the bore.

Classes IPC  ?

• A61N 5/10 - RadiothérapieTraitement aux rayons gammaTraitement par irradiation de particules

Abrégé

The present disclosure relates to an accelerating apparatus for a radiation device. The accelerating apparatus may include a plurality of acceleration cavity units including a plurality of acceleration cavities. Each of the plurality of acceleration cavity units may be configured to accelerate a radiation beam passing through an acceleration cavity. And the accelerating apparatus may further include a plurality of coupling cavity units each of which may include a coupling cavity. Two adjacent acceleration cavities may be electromagnetically coupled via the coupling cavity. The plurality of acceleration cavity units may have a plurality of holes each of which may be configured to be in fluidic communication with the corresponding coupling cavity. And an edge region of each of at least a portion of the plurality of holes may include continuously varying curvatures.

Classes IPC  ?

• H05H 7/22 - Détails d'accélérateurs linéaires, p. ex. tubes de glissement

Abrégé

The present disclosure provides a magnetic resonance imaging (MRI) radio frequency (RF) coil assembly. The MRI RF coil assembly may include one or more coils and one or more control circuits. Each of the one or more coils may include a first end and a second end. Each of the one or more control circuits may electrically connect the first end and the second end of one of the one or more coil. Each of the one or more control circuits may be configured to adjust an operation of the coil that is electrically connected with the control circuit based on an input control signal. The one or more control circuits may be located at different regions.

Classes IPC  ?

• G01R 33/36 - Détails électriques, p. ex. adaptations ou couplage de la bobine au récepteur
• H03F 3/19 - Amplificateurs à haute fréquence, p. ex. amplificateurs radiofréquence comportant uniquement des dispositifs à semi-conducteurs

Abrégé

Embodiments of the present disclosure provide vascular imaging methods, systems, and storage mediums. The vascular imaging method may include obtaining imaging data of a target object, the imaging data being obtained through a spiral scanning manner, and generating a vascular angiographic image based on the imaging data.

Classes IPC  ?

• A61B 6/50 - Appareils ou dispositifs pour le diagnostic par radiationsAppareils ou dispositifs pour le diagnostic par radiations combinés avec un équipement de thérapie par radiations spécialement adaptés à des parties du corps spécifiquesAppareils ou dispositifs pour le diagnostic par radiationsAppareils ou dispositifs pour le diagnostic par radiations combinés avec un équipement de thérapie par radiations spécialement adaptés à des applications cliniques spécifiques
• A61B 6/00 - Appareils ou dispositifs pour le diagnostic par radiationsAppareils ou dispositifs pour le diagnostic par radiations combinés avec un équipement de thérapie par radiations
• A61B 6/02 - Agencements pour établir un diagnostic dans des plans différents successifsDiagnostic stéréoscopique utilisant des radiations
• G06T 7/00 - Analyse d'image

Abrégé

Provided are a method, a system, and a storage medium for obtaining an energy spectrum. The method comprises: obtaining a first depth dose curve corresponding to a first energy and a second depth dose curve corresponding to a second energy; obtaining, based on the first depth dose curve and the second depth dose curve, a first set of dose values and a second set of dose values along a depth direction, respectively; determining a relationship between the first depth dose curve and the second depth dose curve based on the first set of dose values and the second set of dose values; obtaining a first energy spectrum corresponding to the first depth dose curve; and determining a second energy spectrum corresponding to the second depth dose curve based on the first energy spectrum and the relationship between the first depth dose curve and the second depth dose curve.

Classes IPC  ?

• G01T 1/36 - Mesure de la distribution spectrale des rayons X ou d'une radiation nucléaire
• G01N 23/06 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en transmettant la radiation à travers le matériau et mesurant l'absorption
• G01T 1/161 - Applications au domaine de la médecine nucléaire, p. ex. comptage in vivo

Abrégé

The present disclosure may provide a collimator assembly. The collimator assembly may include a multi-leaf collimator (MLC) situated in a first plane and at least one block situated in a second plane different from the first plane. The MLC may include at least one first group of leaves and at least one second group of leaves opposing each other and being moveable along a first direction. One of the at least one block may be located at a position corresponding to an end of the at least one first group of leaves. Projection of one of the at least one block along a second direction may partially overlap projection of the at least one first group of leaves along the second direction.

Classes IPC  ?

• G21K 1/02 - Dispositions pour manipuler des particules ou des rayonnements ionisants, p. ex. pour focaliser ou pour modérer utilisant des diaphragmes, des collimateurs
• A61N 5/10 - RadiothérapieTraitement aux rayons gammaTraitement par irradiation de particules

Abrégé

The present disclosure relates to a system for PET imaging. The system may include a detector module and an electronics module. The detector module may include a scintillator array having N rows of scintillators arranged in a first direction and M columns of scintillators arranged in a second direction, a first set of photosensors coupled to the scintillator array and extending in the second direction, and a second set of photosensors coupled to the scintillator array and extending in the first direction. The electronics module may detect a first set of electrical signals generated by the first set of photosensors and a second set of electrical signals generated by the second set of photosensors, and identify a scintillator within the scintillator array that has interacted with an impinging radiation ray relating to an electrical signal of the first set of electrical signals or the second set of electrical signals.

Classes IPC  ?

• G01T 1/20 - Mesure de l'intensité de radiation avec des détecteurs à scintillation
• A61B 5/00 - Mesure servant à établir un diagnostic Identification des individus
• A61B 6/42 - Agencements pour détecter des radiations spécialement adaptés au diagnostic par radiations
• G01N 21/64 - FluorescencePhosphorescence
• G01T 1/164 - Scintigraphie
• G01T 1/29 - Mesure effectuée sur des faisceaux de radiations, p. ex. sur la position ou la section du faisceauMesure de la distribution spatiale de radiations

Abrégé

The present disclosure may provide a radiation system including a first rotation portion, a second rotation portion, a treatment head, one or more imaging sources, and at least one detector. At least a portion of the treatment head may be disposed in the first rotation portion. At least one of the one or more imaging sources may be disposed in the second rotation portion. The second rotation portion may be able to rotate independently from the first rotation portion.

Classes IPC  ?

• A61B 6/40 - Agencements pour générer des radiations spécialement adaptés au diagnostic par radiations
• A61B 6/42 - Agencements pour détecter des radiations spécialement adaptés au diagnostic par radiations
• A61N 5/10 - RadiothérapieTraitement aux rayons gammaTraitement par irradiation de particules

Abrégé

The present disclosure is related to systems and methods for processing X-ray images. A method for processing an X-ray image may include obtaining an X-ray image; and determining a metal image based on the X-ray image by using a trained metal detection model. The metal image includes information of a metal object in the X-ray image.

Classes IPC  ?

• G06T 7/11 - Découpage basé sur les zones
• G06T 7/00 - Analyse d'image

Abrégé

A method of correcting a metal artifact is provided. The method includes obtaining a first image acquired by a first imaging device and a second image acquired by a second imaging device, the second imaging device including a computed tomography (CT) device; registering the first image and the second image; determining a template image based on the registered first image and second image; determining a metal artifact image based on the template image; and generating a corrected image by correcting, based on the metal artifact image, the second image.

Classes IPC  ?

• G06T 11/00 - Génération d'images bidimensionnelles [2D]
• G06T 5/50 - Amélioration ou restauration d'image utilisant plusieurs images, p. ex. moyenne ou soustraction

Abrégé

The present disclosure provides a radiation treatment system. The radiation treatment system may include a radiation treatment device and a movable supporting device for supporting the target subject. The radiation treatment device may be configured to emit a radiation beam toward a target region of a target subject for radiation treatment. The movable supporting device may be configured to adjust a position of the target region relative to the radiation treatment device during the radiation treatment such that the target region is irradiated by the radiation beam from different directions.

Classes IPC  ?

• A61N 5/10 - RadiothérapieTraitement aux rayons gammaTraitement par irradiation de particules
• G01R 33/38 - Systèmes pour produire, homogénéiser ou stabiliser le champ magnétique directeur ou le champ magnétique à gradient

Produits et services

medical apparatus and instruments; diagnostic apparatus for medical purposes; radiological apparatus for medical purposes; magnetic resonance imaging [MRI] apparatus for medical purposes; ultrasound apparatus for medical purposes; tomographs for medical purposes; radiotherapy apparatus; X-ray apparatus for medical purposes; apparatus and installations for the production of X-rays, for medical purposes; beds specially made for medical purposes; operating tables; surgical apparatus and instruments for medical use; hospital beds; hospital gurneys; patient hoists.

Abrégé

A method for MRI is provided. The method comprises obtaining k-space data collected during an MR scan of a target object, which is performed by applying an imaging sequence to the target object, the imaging sequence includes at least two signal acquisition modules of a same sequence type, different signal acquisition modules of the at least two signal acquisition modules have at least two design characteristics with different characteristic values, and the k-space data includes at least two k-space data sets each of which corresponds to one of the at least two signal acquisition modules. For each signal acquisition module, the method further comprises determining a target k-space data set and reconstructing an MR image of the target object corresponding to the signal acquisition module based on the target k-space data set.

Classes IPC  ?

• G01R 33/48 - Systèmes d'imagerie RMN
• G01R 33/561 - Amélioration ou correction de l'image, p. ex. par des techniques de soustraction ou d'établissement de moyenne par réduction du temps de balayage, c.-à-d. systèmes d'acquisition rapide, p. ex. utilisant des séquences d'impulsions écho-planar

Abrégé

Provided is a medical device rack, comprising a fixing part (100), a rotating part (200), and a bearing (300). The fixing part (100) comprises a first base body (110) and a second base body (120), which are detachably connected. The bearing (300) is mounted on the first base body (110). The rotating part (200) is detachably connected to a rotor (301) of the bearing (300). The second base body (120) is used for supporting the rotating part (200) separated from the bearing (300).

Classes IPC  ?

• A61B 6/03 - Tomographie informatisée

Produits et services

Computer programs, downloadable software; computer programs for searching remotely for content on computers and computer networks; computer software, recorded; downloadable image files; data processing apparatus; computer programs for connecting remotely to computers or computer networks; computers; computer programs, recorded; computer peripheral devices; couplers [data processing equipment].

Abrégé

The present disclosure provides a system and method for image reconstruction. The method may include obtaining raw positron emission tomography (PET) data of a target object; determining a motion signal of the target object based on the raw PET data of the target object; extracting, based on the motion signal, target PET data from the raw PET data, the target PET data corresponding to a target motion signal, in the motion signal, in which motion change of the target object meets a predetermined change condition; and generating a reconstructed image of the target object by reconstructing the target PET data.

Classes IPC  ?

• G06T 11/00 - Génération d'images bidimensionnelles [2D]

Abrégé

The embodiments of the present disclosure provide a device for improving a dynamic range of a magnetic resonance RF emission signal. The device comprises an instruction processing module, configured to receive a magnetic resonance sequence instruction, and output a baseband signal and a frequency tuning word corresponding to a preset frequency; a coefficient generation module, configured to output a noise filter coefficient based on the frequency tuning word; and a pulse generation module, configured to output a target radio frequency signal based on the baseband signal, the frequency tuning word, and the noise filter coefficient.

Classes IPC  ?

• G01R 33/36 - Détails électriques, p. ex. adaptations ou couplage de la bobine au récepteur

Abrégé

A detector module may be provided. The detector module may comprise one or more detector elements. Each of the one or more detector elements may include a detector crystal, a basal board, a supporting component, and a flexible board. The detector crystal may be mounted on a side of the basal board and configured to receive rays from a subject and generate a detection signal based on the rays. The supporting component may be configured to support the basal board. The supporting component may include a concave structure for accommodating at least a portion of the flexible board.

Classes IPC  ?

• G01T 1/202 - Mesure de l'intensité de radiation avec des détecteurs à scintillation le détecteur étant du cristal
• G01T 1/208 - Circuits spécialement adaptés aux détecteurs à scintillation, p. ex. à l'élément photomultiplicateur