Abstract

The present disclosure provides an apparatus for determining a location of a wireless marker for a tumor, the apparatus comprising: a phased array antenna, and a processor, wherein the processor is configured to control the phased array antenna to transmit a wireless signal to the wireless marker, receive a wireless signal transmitted by the wireless marker in response to the transmitted wireless signal, and analyze the wireless signals transmitted and received by the phased array antenna to determine a location of the wireless marker. The present disclosure also provides a method for determining a location of a wireless marker for a tumor, wherein the method comprises: transmitting, using a phased antenna array, a wireless signal to the wireless marker, receiving, at the phased antenna array, a wireless signal transmitted by the wireless marker in response to the transmitted wireless signal, and analyzing the wireless signals transmitted and received by the phased array antenna to determine a location of the wireless marker.

IPC Classes  ?

• A61B 34/20 - Surgical navigation systemsDevices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
• A61B 90/00 - Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups , e.g. for luxation treatment or for protecting wound edges
• A61B 90/98 - Identification means for patients or instruments, e.g. tags using electromagnetic means, e.g. transponders
• H01Q 3/30 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elementsArrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the distribution of energy across a radiating aperture varying the phase

Abstract

Systems for establishing a reproducible breath-holding pattern during radiotherapy are disclosed. An exemplary image-guided radiotherapy system (100) may include an airway breathing controller (ABC) device (160), which may block airflow to the patient during imaging and/or radiotherapy to immobilize a target tumor. A patient may practice breath-holding during a training session until a reproducible breath-hold pattern is established. The patient may perform the breath-hold pattern in imaging and/or radiotherapy sessions, during which physiological signals may be measured from the patient and compared to baseline signals collected during the training session. Variation between measured signals and baseline signals may indicate unreproducible breath-holding, in which case radiation delivery may be altered or halted.

IPC Classes  ?

• A61N 5/10 - X-ray therapyGamma-ray therapyParticle-irradiation therapy
• A61M 16/00 - Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators Tracheal tubes
• A61B 5/00 - Measuring for diagnostic purposes Identification of persons
• A61B 5/055 - Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fieldsMeasuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging

Abstract

An absorbing device (24, 24′, 24″, 41) for radiotherapy treatment comprising at least one layer of electromagnetic absorbing material wherein the absorbing material is for preventing interaction between a target localisation system (1) having a targeted frequency range of between about 300 kHz and 500 kHz and a treatment table (4).

IPC Classes  ?

• A61N 5/00 - Radiation therapy
• A61N 5/10 - X-ray therapyGamma-ray therapyParticle-irradiation therapy
• A47C 31/00 - Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets

Abstract

The present disclosure provides an apparatus for determining a location of a wireless marker for a tumor, the apparatus comprising: a phased array antenna, and a processor, wherein the processor is configured to control the phased array antenna to transmit a wireless signal to the wireless marker, receive a wireless signal transmitted by the wireless marker in response to the transmitted wireless signal, and analyze the wireless signals transmitted and received by the phased array antenna to determine a location of the wireless marker. The present disclosure also provides a method for determining a location of a wireless marker for a tumor, wherein the method comprises: transmitting, using a phased antenna array, a wireless signal to the wireless marker, receiving, at the phased antenna array, a wireless signal transmitted by the wireless marker in response to the transmitted wireless signal, and analyzing the wireless signals transmitted and received by the phased array antenna to determine a location of the wireless marker.

IPC Classes  ?

• A61B 90/00 - Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups , e.g. for luxation treatment or for protecting wound edges
• A61B 34/20 - Surgical navigation systemsDevices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
• H01Q 3/26 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elementsArrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the distribution of energy across a radiating aperture
• A61N 5/10 - X-ray therapyGamma-ray therapyParticle-irradiation therapy

Abstract

The disclosure provides a radiotherapy system, comprising: a bed, for supporting the patient; and a bridge, comprising one or more rolling elements for supporting the bed and allowing the bed to be moved along a surface of the bridge. The one or more rolling elements are located at respective fixed positions in the bridge.

IPC Classes  ?

• A61N 5/10 - X-ray therapyGamma-ray therapyParticle-irradiation therapy
• A61B 5/00 - Measuring for diagnostic purposes Identification of persons
• A61B 6/04 - Positioning of patientsTiltable beds or the like
• A61G 13/02 - Adjustable operating tablesControls therefor

Abstract

A magnetic resonance coil frame includes a frame structure, forming in between a receiving space for at least a body portion of a recumbent patient located in a lying plane, wherein at least a first air-operated body-fixation means having a variable shape for immobilizing the body portion is arranged outside the lying plane at a side of the frame structure facing the receiving space. Thus, immobilizing a patient during magnetic resonance imaging and/or treatment can be improved.

IPC Classes  ?

• A61B 5/055 - Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fieldsMeasuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
• A61B 90/50 - Supports for surgical instruments, e.g. articulated arms
• A61G 13/10 - Parts, details or accessories
• G01R 33/34 - Constructional details, e.g. resonators

Abstract

There is provided a patient's cranial position monitoring and controlling device for controlling a magnetic resonance (MR) guided radiation source module via an MR-guided radiation controlling device connected to the patient's cranial position monitoring and controlling device and an MR-guided radiation system including a patient's cranial position monitoring and controlling device, which allows for better MR-imaging while allowing patient position monitoring close to the patient.

IPC Classes  ?

• A61N 5/10 - X-ray therapyGamma-ray therapyParticle-irradiation therapy
• A61B 5/00 - Measuring for diagnostic purposes Identification of persons
• A61B 5/055 - Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fieldsMeasuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
• G01R 33/48 - NMR imaging systems
• G01R 33/30 - Sample handling arrangements, e.g. sample cells, spinning mechanisms
• G01R 33/565 - Correction of image distortions, e.g. due to magnetic field inhomogeneities

Abstract

Controlling unit for a radiation source includes a mains-driven power supply terminal connectable to a mains-driven power supply, a battery-driven power supply terminal connectable to a battery-driven power supply, a failsafe power supply terminal, a processor unit to control the radiation source, and a patient-in-place sensor unit to provide a respective signal to the processor unit. The failsafe power supply terminal is connected to the mains-driven power supply terminal via a first diode and to the battery-driven power supply terminal via a second diode and he processor unit is connected to the failsafe power supply terminal to receive power from the higher voltage power supply terminal of the mains-driven power supply terminal and the battery-driven power supply terminal, respectively. The processor unit is adapted to shut down the radiation source in case a patient-not-in-place signal is provided.

IPC Classes  ?

• A61N 5/10 - X-ray therapyGamma-ray therapyParticle-irradiation therapy
• H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
• A61B 90/16 - Bite blocks
• H02J 1/10 - Parallel operation of dc sources
• H02J 1/08 - Three-wire systemsSystems having more than three wires

Abstract

Systems for establishing a reproducible breath-holding pattern during radiotherapy are disclosed. An exemplary image-guided radiotherapy system (100) may include an airway breathing controller (ABC) device (160), which may block airflow to the patient during imaging and/or radiotherapy to immobilize a target tumor. A patient may practice breath-holding during a training session until a reproducible breath-hold pattern is established. The patient may perform the breath-hold pattern in imaging and/or radiotherapy sessions, during which physiological signals may be measured from the patient and compared to baseline signals collected during the training session. Variation between measured signals and baseline signals may indicate unreproducible breath-holding, in which case radiation delivery may be altered or halted.

IPC Classes  ?

• A61N 5/10 - X-ray therapyGamma-ray therapyParticle-irradiation therapy

Abstract

An apparatus for positioning a patient for medical imaging comprises a support system (10), a control unit (20) and a filter unit (30). The support system (10) comprises a patient support device (12) and an actuator (14) configured to move the patient support device. The support system (10) is located inside an electromagnetically-shielded enclosure (2). The control unit (20) is configured to adjust the position of the patient support device (12) by communicating with the support system (10) via one or more signal lines (40). The control unit (20) is located outside the electromagnetically-shielded enclosure (2). The filter unit (30) is configured to filter noise from the signal lines (40).

IPC Classes  ?

• A61B 5/055 - Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fieldsMeasuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
• G01R 33/20 - Arrangements or instruments for measuring magnetic variables involving magnetic resonance

Abstract

An absorbing device (24, 24', 24", 41) for radiotherapy treatment comprising at least one layer of electromagnetic absorbing material wherein the absorbing material is for preventing interaction between a target localisation system (1) having a targeted frequency range of between about 300kHz and 500kHz and a treatment table (4).

IPC Classes  ?

• A61N 5/10 - X-ray therapyGamma-ray therapyParticle-irradiation therapy
• A61B 5/06 - Devices, other than using radiation, for detecting or locating foreign bodies

Abstract

A positioning system for a body comprises a flexible bag of a gas-impermeable material/including a valve to permit evacuation of the interior thereof, the bag containing a flowable granular material and at least one bolster. The body can be at least part of a human form, such as a patient. Systems are generally provided for specific body regions such as the hip or thorax, and for the whole body. The bolster is larger than the grains of the granular material. A size dimension of the bolster is therefore preferably at least 5 times the- size dimension of the granular material, although it sill usually be one or more orders of magnitude larger. Various forms of bolster are possible. A bolster that includes a generally flat section and an upstanding section extending therefrom can be used to locate a shoulder region of the patient in a reproducible yet comfortable form. A bolster that is generally cylindrical in shape can be used to support various areas of a patient such as the neck or knee. The granular material can consist of polystyrene spheres. The bag is preferably of a nylon material; such as a nylon material coated with a polyurethane-based coating.

IPC Classes  ?

• A47C 27/08 - Fluid mattresses
• A47C 27/00 - Spring, stuffed or fluid mattresses specially adapted for chairs, beds or sofas

Abstract

This invention relates to a fixation device for immobilizing a head of a patient relative a treatment unit or medical device during treatment of the head. The fixation device is provided with an interface unit adapted to be fixated in relation to an adaptor unit for connection to the treatment unit, or to a frame for connection to the medical device. Furthermore, the fixation device is further provided with a sliding plate being slidable in relation to said interface unit in an xz-plane of a coordinate system. The system is a Cartesian coordinate system defined by three orthogonal axis having an x-axis extending in the medial-lateral direction of the patient, an y-axis extending in the anterior-posterior direction, and a z-axis extending in the cranial-caudal direction. The fixation device is further provided with a plate locking means for locking said sliding plate in relation to said interface unit, a bite-block for being inserted into a mouth of the patient, a linking means for linking said bite-block with said sliding plate, at least one pivot point arranged such that the bite-block is movable at least in a plane orthogonal to the xz-plane; and a link locking means for locking said at least one pivot point in a desired position in relation to said linking means so as to fixate the bite-block to the interface unit.

IPC Classes  ?

• A61G 12/00 - Accommodation for nursing, e.g. in hospitals, not covered by groups , e.g. trolleys for transport of medicaments or foodPrescription lists
• A61F 5/37 - Restraining devices for the body or for body partsRestraining shirts
• A61B 3/16 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for measuring intraocular pressure, e.g. tonometers
• A61B 6/08 - Auxiliary means for directing the radiation beam to a particular spot, e.g. using light beams
• A61B 19/00 - Instruments, implements or accessories for surgery or diagnosis not covered by any of the groups A61B 1/00-A61B 18/00, e.g. for stereotaxis, sterile operation, luxation treatment, wound edge protectors(protective face masks A41D 13/11; surgeons' or patients' gowns or dresses A41D 13/12; devices for carrying-off, for treatment of, or for carrying-over, body liquids A61M 1/00)

Abstract

The invention relates to a device for controlling corporeal structures, especially for introducing puncture needles or operation probes. Said device comprises a base plate (1), at least one base holder (2) applied to the base plate (1), and holding rods (3, 4) that are fixed to the base holder in a fixed manner and are used to hold and position a targeting device (10) for a medical instrument (8). The aim of the invention is to create one such device in such a way that it has a simple structure and can guide medical instruments in a variable and precise manner. To this end, the targeting device (10) is mounted on two adjustment arms (7) that can be respectively displaced in the X and/or Y plane, on the free ends of the holding rods (3, 4), by means of an actuating drive (6).

IPC Classes  ?

• A61B 17/34 - TrocarsPuncturing needles
• A61B 17/00 - Surgical instruments, devices or methods
• A61B 34/00 - Computer-aided surgeryManipulators or robots specially adapted for use in surgery
• A61B 90/50 - Supports for surgical instruments, e.g. articulated arms
• A61B 90/11 - Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups , e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis with guides for needles or instruments, e.g. arcuate slides or ball joints