An example cutting apparatus includes a scalpel and a housing defining a scalpel guide. A handle is coupled to a proximal end of the scalpel. A blade holder at a distal end of the scalpel. The scalpel has a length longer than a length of the housing. The scalpel guide constrains the movement path of the scalpel.
Medical or surgical devices, instruments, systems, and methods for use in optically sensing loads acting on a patient's anatomy may include a surgical device or instrument configured for insertion to a surgical site and an interrogator coupled to the surgical device or instrument via an optical fiber having a sensing area at a location of the surgical device or instrument at which a load is to be sensed. The measured load may be used as being indicative of a load acting on a patient's anatomy. Such measured or determined load may be used to make decisions before, during, or after a patient procedure.
A61B 17/02 - Surgical instruments, devices or methods for holding wounds open, e.g. retractorsTractors
A61B 17/16 - Instruments for performing osteoclasisDrills or chisels for bonesTrepans
A61B 17/3211 - Surgical scalpels or knivesAccessories therefor
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
A retractor includes retractor blades and one or more shims coupled to one or more of the retractor blades. The shims can include features configured to fasten the shim to vertebral anatomy. Such features can facilitate the use a K-wire or barbed features. Example disclosed shim designs include those featuring a K-wire feature, a barbed feature, and a K-wire with barb design.
An interbody implant to be introduced into a variety of target sites for accelerating bone ossification, for example into a space between two adjacent vertebrae. The interbody implant includes a first bone contacting surface, a second bone contacting surface, a body defined between the first and second bone contacting surfaces, and a plurality of resonators. Mechanical waves, e.g., low intensity pulsed ultrasound waves, may be transmitted to the location of the implant, causing the resonators to resonate and accelerate bone ossification.
A system for use during a surgical procedure includes a control unit configured to obtain a first anatomical characteristic of a patient; measure a second anatomical characteristic of a patient; create a targeted second anatomical characteristic; and convert at least one of the measured second anatomical characteristic and the targeted second anatomical characteristics to a patient position.
The present disclosure describes a spinal fixation system comprising a telescoping spinal rod, as well as methods of its use and a guide tower for use therewith. The telescoping rod can be extended after it has been inserted into the patient below the fascia, which permits it to be extended in the sub-fascial space.
Devices and methods for bone fixation including a bone fixation system including a bone plate or intervertebral spacer including a plurality of apertures dimensioned to receive bone fasteners and at least one polymeric element capable of transitioning from a solid state to a flowable state. The polymeric element transitions to a flowable state as a result of exposure to ultrasonic vibration. The polymeric element is placed on the bone plate or intervertebral spacer adjacent a fastener in an aperture and acts to prevent rotational and/or translational movement of the fastener relative to the bone plate or intervertebral spacer.
Disclosed is a surgical alignment and distraction frame and associated methods of use that facilitates correction of a sagittal imbalance. The alignment and distraction frame works in conjunction with pedicle screw installation guide assemblies to impart the desired correction. The alignment frame can be utilized to ensure the pedicle screw housings are aligned (to facilitate rod coupling) in concert with the completion of a correction maneuver.
An example retraction system includes a first retraction assembly, the first retraction assembly including a first arm coupled to a rack, a second arm coupled to the rack, a first retractor blade coupled to the first arm and a second retractor blade coupled to the second arm. The retraction system also includes a second retraction assembly, the second retraction assembly including a carriage configured to engage a blade post having a blade coupled to a distal end and a handle coupled to a proximal end, the blade post adjustable relative to the carriage. The retraction system also includes a third retractor blade coupled to the blade post.
Devices, systems, and methods configured to treat spinal deformities, such as anterior scoliosis correction. A bilateral anterior system may include a bilateral anterior screw having a threaded shaft with modular connectors at each end. The bilateral anterior screw is configured to extend completely through a vertebral body such that the modular connectors are exposed on both sides of the vertebral body. An ipsilateral construct including a first rod or cord is securable to the modular connector on an ipsilateral side, and a contralateral construct including a second rod or cord is securable to the modular connector on a contralateral side, thereby completing a bilateral stabilization.
Systems and methods are described for correcting sagittal imbalance in a spine including instruments for performing the controlled release of the anterior longitudinal ligament through a lateral access corridor and hyper-lordotic lateral implants.
A61B 17/88 - Methods or means for implanting or extracting internal fixation devices
A61B 18/00 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
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
G06V 10/44 - Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersectionsConnectivity analysis, e.g. of connected components
A jointed rod assembly for use in a spinal fixation construct involves a caudal rod portion connectable to an adjustment mechanism, and a cranial rod portion connectable to the adjustment mechanism. The adjustment mechanism is configured to rotate the caudal and cranial rod portions relative to one another about a joint axis that is generally perpendicular to the longitudinal axes of the caudal and cranial rod portions. The caudal and cranial rod portions may be dimensioned to be compatible with other pieces of hardware commonly used for spinal fixation, such as bone anchors (e.g., pedicle screws), occipital plates, reducers, and others. The caudal and cranial rod portions are composed of a strong, rigid, non-absorbable, biocompatible material. The jointed rod assembly may be advantageously used in spinal fixation systems and methods of spinal fixation.
Implants and instruments for providing an ideal trajectory for the insertion of instruments and screws during implantation of an interbody implant in a spinal surgery are disclosed.
A61B 17/88 - Methods or means for implanting or extracting internal fixation devices
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
A system for evaluating the evolution of the structure of a subject's bone, the system including an implantable medical device including an implant body intended to be attached to the bone of the subject and at least one reflector coupled to the implant body, the reflector being configured to reflect an electromagnetic signal and being embedded in a surrounding tissue of the subject when the implant body is attached to the subject's bone and a calculation module configured to compute a parameter representative of the structure of the subject's bone, wherein the parameter is computed from a reflected signal corresponding to a reflection, on the reflector embedded in the surrounding tissue of the subject, of an excitation signal including at least one frequency in the characteristic frequency range of the reflector, the reflected signal being representative of at least one electrical property of the surrounding tissue.
Embodiments are directed to fusion implants, insertion instruments, and methods of using the same for implanting one or more fusion implants across a sacroiliac joint and into an ilium and sacrum for fusing the sacroiliac joint. In some cases, fusion-promoting material may be inserted in the fusion implant for further promoting fusion across the sacroiliac joint. In some cases, neurophysiologic monitoring may be performed as the fusion implants are placed across the sacroiliac joint.
Disclosed herein are systems and method for registering a first three-dimensional medical image dataset taken with a first image capturing device with a second 3D dataset taken with a second image capturing device.
An expandable intervertebral implant including a first wall comprised of a male portion and a female portion in telescoping engagement with each other and a second wall comprised of a plurality of links, wherein the first wall and second wall are coupled to each other by hinges at each of the leading and trailing ends of the implant. The expandable implant is configured to be inserted into a disc space in a collapsed, narrow profile configuration and then unilaterally expanded in an anterior or posterior direction to a fully expanded, larger foot print configuration.
A spinous process plate fixation assembly is provided that has a pin plate including a first central aperture and a pin plate interior surface. The assembly has a lock plate including a second central aperture and a lock plate interior surface opposingly facing the pin plate interior surface. The interior surfaces have a pluralities of spikes extending therefrom. A pin receptacle is disposed within the pin plate and is configured to receive a lock pin. A pivoting lock mechanism is disposed within the lock plate. A connector shaft extends from the pin plate to the lock plate and passes through the first central aperture and the second central aperture. The connector shaft includes a pin side configured to receive the lock pin, and a lock side opposite the shaft side, the lock side configured to operatively engage the pivoting lock mechanism so as to secure the plates and the shaft.
This application describes a surgical retractor and related methods for providing access to a surgical target site for the purpose performing minimally invasive spinal fusion across one or more segments of the spinal column.
One aspect of the disclosure relates to an adjustable implant. The adjustable implant may include a housing configured to be coupled to a first bone portion; an adjustable portion configured to be coupled to a second bone portion, the adjustable portion having a first bar; an actuator rotationally mounted within the housing, the actuator including a protrusion extending therefrom; and at least one gear having an anvil coupled thereto, wherein the protrusion of the actuator is configured to engage the anvil during rotation of the actuator to cause the adjustable portion to move relative to the housing. The protrusion may include an impact hammer surface. Also provided herein are distraction and compression systems including adjustable implants and adjustment devices therefor, and methods for adjusting such adjustable implants.
The present disclosure includes systems, methods and media for rendering objects translucent and for recovery of anatomical information blocked by the objects in medical images.
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
Tools and techniques are described that are useful for trauma correction of anterior compression, chance, or burst fractures, particularly where the posterior longitudinal ligament and posterior arch anatomy is still intact. The described tools can be used to reduce fracture and provide additional distraction for ligamentum taxis through a posterior approach that is compatible with both open and minimally invasive methodologies.
Systems and methods are described for correcting sagittal imbalance in a spine including instruments for performing the controlled release of the anterior longitudinal ligament through a lateral access corridor and hyper-lordotic lateral implants with detachable fixation tabs.
Example systems and methods correctly align or register a first image with a second image using user input to identify location(s) of interest in the overlay image. The system can ask a user to select a vertebral level of interest on a screen displaying the baseline and/or the overlay image. Then, the user input can be advantageously to guide subsequent image registration steps. The systems and methods herein may also be used to augment an existing image-recognition algorithm.
The disclosure provides systems and instruments that allow vigorous compression of two bone structures while minimally impeding visual access to the surgical site. This is achieved by use of a sleeve member that connects a stanchion to a lever. The system includes a stanchion member, a sleeve member dimensioned to at least partially encircle the stanchion member, and a compression lever including. The sleeve and the lever form a pivot point to allow the compression lever to rotate relative to the stanchion member when the sleeve is reversibly placed around the stanchion member.
Examples described herein are relevant to robotic surgical systems, such as those used in spine surgery. Examples described herein include: a distal section of a robot arm, pods having fiducials, face switching angles, fiducial hollows, drape anchoring and sensing, selective face switching with active fiducials, pedal-less workflow, user interface control, hand guiding, robot egress, robot tool center point adjustment, collision reaction, dynamic screw placement ordering, flexible robot cart placement, depth gauges, implant checking, implant-to-instrument-checking, robot bed-side docking, workflow based cart immobilization, patient gross movement monitoring, selective brake control, auto vertical adjustment, gesture-based planning, automatic sleeve retention and retraction, among others.
Implants, instruments, and methods for performing surgical procedures on the spine, including one or more of creating an operative corridor to the spine, delivering implants to the spine, fusing one or more segments of the spine and fixing one or more segments of the spine.
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
Devices, assemblies, systems, and methods are disclosed for stabilizing a cart. An example cart is a surgical cart having a robotic arm thereon. A stabilizer system may be part of or used with the cart to stabilize the cart at a location. The stabilizer system may include a stabilizer and an actuator. The stabilizer may have a foot and a biaser configured to bias the foot to a retracted position and contribute to an amount of force applied to a floor supporting the cart when the foot is in a deployed position. The actuator acts on the stabilizer to overcome a bias force biasing the stabilizer to the retracted position and cause feet of the stabilizer to contact the floor. Once the feet of the stabilizer contact the floor, a spring of the biaser causes the foot to apply a predetermined force amount to the floor.
A system for performing interbody fusion surgery including an expandable intervertebral spacer and specialized instruments for choosing the correct size of implant, implanting the device within the intervertebral space, and for delivery of bone graft or bone substitute to the interior of the implant.
Patient positioners as well as methods for using patient positioners are disclosed. An example patient positioner may include a thoracic support assembly having one or more thoracic attachment members for securing the thoracic support member to a rail. The thoracic support assembly may have a thoracic adjustment mechanism configured to shift the thoracic support assembly relative to the one or more thoracic attachment members. A lumbar support assembly may be disposed adjacent to the thoracic support assembly. The lumbar support assembly may include one or more lumbar attachment members for securing the lumbar support assembly to the rail. The lumbar support assembly may include a lumbar adjustment mechanism configured to shift the lumbar support assembly relative to the one or more lumbar attachment members. A bolster may be coupled to at least one of the thoracic support assembly and the lumbar support assembly.
Connector assemblies for connecting a robotic arm with a medical end effector are disclosed. An example apparatus for connecting a robotic arm with a medical end effector may include a connector housing. An actuation mechanism may be disposed within the connector housing. The actuation mechanism may include a plurality of linkage members and a gear assembly coupled to the linkage members. A motor may be coupled with the actuation mechanism and configured to drive the gear assembly. Each of the plurality of linkage members may be configured to shift between a locked configuration and an unlocked configuration. An actuator may be coupled to the actuation mechanism. The actuator may be configured to shift the plurality of linkage members between the locked configuration and the unlocked configuration. An adapter may be coupled to the connector housing. The adapter may include a plurality of alignment regions.
B25J 15/04 - Gripping heads with provision for the remote detachment or exchange of the head or parts thereof
B25J 19/00 - Accessories fitted to manipulators, e.g. for monitoring, for viewingSafety devices combined with or specially adapted for use in connection with manipulators
34.
METHOD AND APPARATUS FOR PERFORMING SPINAL SURGERY
Implants, instruments, and methods for performing surgical procedures on the spine, including one or more of creating an operative corridor to the spine, delivering implants to the spine, fusing one or more segments of the spine, and fixing one or more segments of the spine.
Imaging systems and methods may facilitate positioning an imaging device in a procedure room. A 3D image of a subject may be obtained, where the subject is to have a procedure performed thereon. A view of the 3D image of the subject may be adjusted to a desired view and an associated 2D image reconstruction at the desired view may be obtained. A position for the imaging device that is associated with the desired view of the 3D image of the subject may be identified. Adjusting a view of the 3D image to a desired view and obtaining a 2D image reconstruction may be performed pre-procedure, such that a user may be able to create a list of desired views pre. A user may adjust a physical position of the imaging device to obtain reconstructed 2D preview images at the adjusted physical position of the imaging device prior to capturing an image.
A61B 34/00 - Computer-aided surgeryManipulators or robots specially adapted for use in surgery
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
Various implementations include spinal fixation components and related methods. Certain implementations include a tulip rod connector, including: a spinal rod slot having a first engagement direction; a cross-bar slot having a second engagement direction that is distinct from the first engagement direction; and a lock screw slot adjacent to the cross-bar slot, where the tulip rod connector enables locking of both a spinal rod in the spinal rod slot and a cross-bar in the cross-bar slot with a single lock screw action.
Various implementations include anchoring nails, fixation apparatuses, spinal fixation systems, and related methods described in this disclosure. Certain implementations include a fixation nail for an interbody fusion procedure, the fixation nail including: a body having an arcuate primary axis extending from a distal end to a proximal end thereof, the body having an outer surface that enables complete insertion and removal of the fixation nail into an interbody without threaded engagement, and the body further including an elongated recess spanning a majority of a length of the body, the elongated recess sized to at least partially encompass at least one of tissue or bone during insertion into a patient.
Disclosed herein are dismantlable inserters for use in spinal fusion implant procedures, methods for engaging an implant using such inserters, methods of disengaging an implant from such inserters, and methods for disassembling such inserters, as well as systems including such inserters and corresponding implants.
A laser or ultrasonic instrument is used to remove tissue during a surgery, such as to form one or more pilot holes in a vertebra or a window in bone. Where a laser is used, interrogative laser pulses can be used to obtain information, such as detecting depth or tissue type.
A61B 18/22 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibreHand-pieces therefor
A61B 18/00 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
A61B 18/20 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
A61B 34/20 - Surgical navigation systemsDevices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
A tissue retraction system comprising a drive gear coupled to a shaft. The tissue retraction system includes a first plurality of linking members located along a second axis and configured to rotate along the second axis based on contact with the drive gear as the drive gear is rotated. The tissue retraction system includes a linking member selector configured to rotate along the first axis, wherein the linking member selector comprises a cylindrical body integrally formed with a handle. The tissue retraction system includes a right arm assembly, a left arm assembly, and a center arm that are each configured to move along trajectories. The tissue retraction system includes a first retractor blade, a second rector blade, and a third retractor blade. The tissue retraction system includes an array with tracking markers.
A61B 17/02 - Surgical instruments, devices or methods for holding wounds open, e.g. retractorsTractors
A61B 34/10 - Computer-aided planning, simulation or modelling of surgical operations
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
A system for securing a spinal rod to a bone structure using a connector is provided. The connector functions by modulating friction on a band in two band channels and locking the spinal rod in a separate rod channel. An instrument is also provided for tensioning the band.
A method comprising segmenting at least one vertebral body from at least one image of a first three-dimensional image data set. The method comprises receiving at least one image of a second three-dimensional image data set. The method comprises registering the segmented at least one vertebral body from the at least one image of the first three-dimensional image data set with the at least one image of the second three-dimensional image data set. The method comprises determining a position of the at least one surgical implant based on the at least one image of the second three-dimensional image data set and a three-dimensional geometric model of the at least one surgical implant. The method comprises overlaying a virtual representation of the at least one surgical implant on the registered and segmented at least one vertebral body from the at least one image of the first three-dimensional image data set.
This application describes surgical instruments and implants for building a posterior fixation construct across one or more segments of the spinal column during a medialized posterior lumbar interbody fusion (PLIF) procedure.
The invention includes a device, system, and method for performing surgery on a patient. The invention includes an operating table having a cutout section which is configured to be repositioned, such as via partial or complete removal, to reveal a cutout opening which provides room for a part of a patient's anatomy to extend below the plane of the top surface of the table, in order to achieve desired positioning of other portions of the patient's anatomy.
Patient support board assemblies for holding a patient on a framed operating table such as a so-called Jackson table. Patient support board assembly has a lower board secured to the bed frame and an upper board movably secured to the lower board. The upper board can be rotated, slid, or tilted with respect to the lower board. The upper board is adapted to have one or more patient supports secured thereto.
Examples of the disclosure include methods and systems for calibrating a C-arm imaging device for surgical navigation. Calibrating the C-arm imaging device may include, for a plurality of positions of the C-arm imaging device, determining the position of the C-arm imaging device, receiving an image of a calibration fixture from the C-arm imaging device, determining the position of the calibration fixture and a tracking array positioned on the C-arm imaging device, determining intrinsic parameters using the image and the position of the calibration fixture, and determining extrinsic parameters using the position of the tracking array relative to a detector of the C-arm imaging device. Calibrating the C-arm imaging device may include modeling parameters for the C-arm imaging device and iteratively tuning the model.
A61B 6/00 - Apparatus or devices for radiation diagnosisApparatus or devices for radiation diagnosis combined with radiation therapy equipment
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 17/00 - Surgical instruments, devices or methods
Examples of the disclosure include methods and systems for calibrating a C-arm imaging device for surgical navigation. Calibrating the C-arm imaging device may include, for a plurality of positions of the C-arm imaging device, determining the position of the C-arm imaging device, receiving an image of a calibration fixture from the C-arm imaging device, determining the position of the calibration fixture and a tracking array positioned on the C-arm imaging device, determining intrinsic parameters using the image and the position of the calibration fixture, and determining extrinsic parameters using the position of the tracking array relative to a detector of the C-arm imaging device. Calibrating the C-arm imaging device may include modeling parameters for the C-arm imaging device and iteratively tuning the model.
Connector assemblies for connecting a robotic arm with a medical end effector are disclosed. An example apparatus for connecting a robotic arm with a medical end effector may include a connector housing. An actuation mechanism may be disposed within the connector housing. The actuation mechanism may include a plurality of linkage members and a gear assembly coupled to the linkage members. Each of the plurality of linkage members may be configured to shift between a locked configuration and an unlocked configuration. At least one of the plurality of linkage members may include a first linkage member having an end region. A roller member may be disposed adjacent to the end region of the first linkage member. An actuator may be coupled to the actuation mechanism.
Systems and methods for automatically determining pedicle screw trajectories for surgery may be provided. A scan of a spine may be received, and positions of one or more vertebra and one or more components of the one or more vertebra in the scan may be identified. Next, a screw trajectory planning algorithm may determine an initial screw trajectory plan using the positions of the one or more vertebra and the one or more components. The screw trajectory planning algorithm may then determine a revised screw trajectory plan by revising the initial screw trajectory plan according to weighted factors.
An expandable spinal fusion implant including first and second endplates coupled to an expansion member that sits within a housing. The expansion member is translated by a drive mechanism, whereby translation of the expansion member by the drive mechanism in a distal and proximal directions causes the distance between the endplates to increase and decrease, respectively.
This disclosure describes a variety of transitional or terminal components that may be implanted as part of a spinal fixation construct to decrease the potential for subsequent development of junctional disease. The fixation construct may extend any number of levels from a single level construct to a long construct spanning multiple spinal levels and multiple spinal regions from the lumbosacral to cervical regions, and with any variety of combination of anchors, rods, and connectors. Terminal and/or transitional components maybe utilized at the caudal and or cephalad ends of the fixation construct to reduce stresses endured by the construct adjacent pathology and prevent or reduce incidence and degree of junctional disease.
Assemblies, systems, and methods are directed at a neuromonitoring bone drill bit. The assembly may include a surgical bone drill bit, a neuromonitoring connection in electrical communication with the drill bit, and a shield extending over a distal end of the drill bit. The shield may be configured to withdraw proximally as the drill bit is advanced into a subject's bone. The assembly may be connected to a surgical drill and used in a surgical spinal procedure. In operation, the assembly may be advanced to a subject's bone at a surgical site and the drill bit may rotate into the subject's bone. In response, the shield may engage the bone and the drill bit may be advanced with respect to the shield. The shield may electrically insulate tissue from electrical current passing through the drill bit as it is inserted at the surgical site.
A61B 17/16 - Instruments for performing osteoclasisDrills or chisels for bonesTrepans
A61B 17/00 - Surgical instruments, devices or methods
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
53.
SYSTEMS, DEVICES, AND METHODS FOR DESIGNING AND FORMING A SURGICAL IMPLANT
A method is provided for determining the shape of a surgical linking device that is to be attached to a bony body structure such as the spinal column based on digitized locations of a plurality of attachment elements engaged to the bony structure. The method is implemented by a computer system through a GUI to generate an initial bend curve to mate with the plurality of attachment elements. The initial bend curve may be simplified based on user input to the GUI to reduce the number of bends necessary to produce a well-fitting linking device and may be altered to help obtain the goals of surgery.
G16H 50/50 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for simulation or modelling of medical disorders
This disclosure includes an expansion driver for adjusting expandable implants, the expansion driver including an input shaft operably connected to at least one bevel gear, the at least one bevel gear configured to engage each of a first gear and a second gear; the first gear connected to a first output shaft, the first output shaft terminating in a first driver configured to communicate with a first actuator of an expandable implant; the second gear connected to a second output shaft, the second output shaft annularly disposed around at least a portion of the first output shaft; and at least one pinion configured to transfer a torque from the second output shaft to a second driver extending parallel to the first driver and configured to communicate with a second actuator of the expandable implant. Upon a rotation of the input shaft, a torque is applied to at least one of the first driver and the second driver.
A system for surgical planning and assessment of spinal deformity correction is provided that has a spinal imaging system and a control unit. The spinal imaging system is configured to collect at least one digitized position of one or more vertebral bodies of a subject. The control unit is configured to receive the at least one digitized position, and calculate, based on the at least one digitized position, an optimized posture for the subject. The control unit is configured to receive one or more simulated spinal correction inputs, and based on the inputs and optimized posture, predict an optimal simulated postoperative surgical correction.
G16H 50/50 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for simulation or modelling of medical disorders
An intervertebral implant includes a body adapted to be implanted into an intervertebral space of a patient, the body defining a fusion aperture, and at least one cartridge with each cartridge disposed in the body and at least partially extending into the fusion aperture. Each cartridge includes an impedance sensor configured to measure electrical resistance, a radio frequency (RF) transmit antenna configured to transmit a RF signal, and circuitry for recording data from the impedance sensor and transmit the recorded data to an external clinician computing device through the RF transmit antenna. Such collection and use of data can be used to provide improved orthopedic outcomes.
Devices and methods for bone fixation including a bone fixation system including a bone plate or intervertebral spacer including a plurality of apertures dimensioned to receive bone fasteners and at least one polymeric element capable of transitioning from a solid state to a flowable state. The polymeric element transitions to a flowable state as a result of exposure to ultrasonic vibration. The polymeric element is placed on the bone plate or intervertebral spacer adjacent a fastener in an aperture and acts to prevent rotational and/or translational movement of the fastener relative to the bone plate or intervertebral spacer.
The present disclosure includes bone screws, spinal implant, drivers, and their assemblies thereof for surgical procedures of the spine including but not limited to anterior lumbar interbody fusion (ALIF) procedures.
A system for spinal fixation with a non-rigid portion at least one of the caudal or cephalad terminus. Various devices and techniques are described for transition from a rigid fixation construct to a less rigid support structure applied to a “soft zone” that helps share the stress created on the spinal levels caused by the fixed levels below. In some embodiments, the soft zone is provided by terminating the construct with one of a flexible tether or a dampening rod.
G06V 10/50 - Extraction of image or video features by performing operations within image blocksExtraction of image or video features by using histograms, e.g. histogram of oriented gradients [HoG]Extraction of image or video features by summing image-intensity valuesProjection analysis
G06V 10/44 - Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersectionsConnectivity analysis, e.g. of connected components
Implants, instruments, and methods for performing surgical procedures on the spine, including one or more of creating an operative corridor to the spine, delivering implants to the spine, fusing one or more segments of the spine and fixing one or more segments of the spine.
A61B 17/00 - Surgical instruments, devices or methods
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
This disclosure includes an expansion driver for adjusting expandable implants, the expansion driver including an input shaft operably connected to at least one bevel gear, the at least one bevel gear configured to engage each of a first gear and a second gear; the first gear connected to a first output shaft, the first output shaft terminating in a first driver configured to communicate with a first actuator of an expandable implant; the second gear connected to a second output shaft, the second output shaft annularly disposed around at least a portion of the first output shaft; and at least one pinion configured to transfer a torque from the second output shaft to a second driver extending parallel to the first driver and configured to communicate with a second actuator of the expandable implant. Upon a rotation of the input shaft, a torque is applied to at least one of the first driver and the second driver.
An interbody implant to be introduced into a variety of target sites for accelerating bone ossification, for example into a space between two adjacent vertebrae. The interbody implant includes a first bone contacting surface, a second bone contacting surface, a body defined between the first and second bone contacting surfaces, and a plurality of resonators. Mechanical waves, e.g., low intensity pulsed ultrasound waves, may be transmitted to the location of the implant, causing the resonators to resonate and accelerate bone ossification.
A bone hook apparatus is provided that includes a base, a rod receptacle disposed on a proximal side of the base, a first hook distally extending from the base and oriented in a first direction, and a second hook distally extending from the base and oriented in a second direction opposing the first direction, the first hook and second hook together configured to receive the bone. Kits and spinal constructs employing the bone hook apparatus are also described.
Disclosed examples include those directed to detecting and remediating detachment of electrodes from a patient. In an example, a system calculates a Pearson correlation coefficient between: (1) power spectral density of the noise and (2) power spectral density of a recorded signal (e.g., from an electrode being operated in free-run EMG mode). If the recorded signal correlates with the noise, then the system notifies the user of presence of noise (e.g., the fallen electrode). Otherwise, the recorded signal is considered as the signal of interest (e.g., a valid EMG signal).
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
G08B 5/22 - Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmissionVisible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electromagnetic transmission
A61B 5/296 - Bioelectric electrodes therefor specially adapted for particular uses for electromyography [EMG]
A surgical access system including a tissue distraction assembly 40 and a tissue retraction assembly 10, both of which may be equipped with one or more electrodes 23 for use in detecting the existence of (and optionally the distance and/or direction to) neural structures before, during, and after the establishment of an operative corridor 15 to a surgical target site. The tissue retraction assembly 10 has a plurality of blades 12, 16, 18 which may be introduced while in a closed configuration, after which point they may be opened to create an operation corridor 15 to the surgical target site, including pivoting at least one blade 12, 16, 18 to expand the operative corridor 15 adjacent to the operative site.
This application describes surgical instruments and implants for building a posterior fixation construct across one or more segments of the spinal column. Extension guides are provided that attach to bone anchors implanted within the spine. The extension guides have a guide channel that align with a rod channel in the anchor to help direct the rod to the anchor. Instruments are provided to aid in insertion and positioning or the rod.
In general, in various embodiments, the present disclosure is directed systems and methods for producing a porous surface from a solid piece of polymer. In particular, the present disclosure is directed to a mold for processing a material. The mold includes a body having a top surface and a bottom surface. A void within the body is configured to receive a porogen and a piece of thermoplastic material. The void extends in a top to bottom direction to form a non-through cavity with a cavity surface that is substantially parallel to the bottom surface of the body. A protrusion on the body extends from the cavity surface towards the top surface. The void extends at least halfway through the body towards the bottom surface. A peg is disposed on the body and shaped to matingly engage a weight via a hole within the weight.
B29C 43/04 - Compression moulding, i.e. applying external pressure to flow the moulding materialApparatus therefor of articles of definite length, i.e. discrete articles using movable moulds
B29C 67/20 - Shaping techniques not covered by groups , or for porous or cellular articles, e.g. of foam plastics, coarse-pored
C08J 9/26 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof by elimination of a solid phase from a macromolecular composition or article, e.g. leaching out
B29C 33/00 - Moulds or coresDetails thereof or accessories therefor
76.
METHODS AND INSTRUMENTS FOR PERFORMING LEVERAGED REDUCTION DURING SINGLE POSITION SPINE SURGERY
A spinal procedure includes attaching a first reduction instrument to a first guide assembly and a second guide assembly. The first reduction instrument includes a fixed attachment assembly and a translating attachment assembly that cooperatively interfaces the fixed attachment assembly. The first guide assembly is attached to a first pedicle and the second guide assembly is attached to a second pedicle. The first reduction instrument is moved to reduce an orientation of the spine, while imaging a reduction of the orientation of the spine. An angle and position of the first reduction instrument is locked upon achieving a desired reduction. The spine may then be fused.
A filter device comprises a frame with interrupted perimeter having a top surface and a bottom surface and a screen having a plurality of pores attached to the frame. The filter device is designed to fit into an interior of a container. The container is configured to contain a mixture of demineralised bone matrix (DBM) containing bone graft material and liquid. The liquid mixture can be poured out of the container through the pores in the screen on the filter device and separated from the bone graft material while the DBM containing the bone graft material remains in the container. The pores are sized smaller than DBM particles to prevent the DBM particles from being separated from the bone graft material with the liquid.
A61L 27/36 - Materials for prostheses or for coating prostheses containing ingredients of undetermined constitution or reaction products thereof
B01D 29/05 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with flat filtering elements supported
B01D 29/96 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor in which the filtering elements are moved between filtering operationsParticular measures for removing or replacing the filtering elementsTransport systems for filters
B01D 35/02 - Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
This application describes surgical instruments and implants, including a rod reduction instrument, for building a posterior fixation construct across one or more segments of the spinal column. Extension guides are provided that attach to bone anchors implanted within the spine. The extension guides have a guide channel that align with a rod channel in the anchor to help direct the rod to the anchor. The rod reducer may be passed through the interior of the guide assemblies with a distal end arranged in a first position allowing the distal end to pass through the guide. Once through the guide the distal end may be expanded to provide dual contact on the rod at each end of the bone anchor rod channel.
The present invention relates to a monitoring method for generating a distraction indicator, including: receiving data from an implantable bone distraction device, corresponding to a mechanical vibration response of a medium comprising the implantable bone distraction device, as measured by at least one vibration sensor; computing from the received data a distraction indicator through at least the steps of: determining at least one vibration pattern of said medium from the vibration response measured by the at least one vibration sensor; analyzing the evolution of a first value of the at least one vibration pattern of said medium determined from the measured vibration response during a first period; and generating a distraction indicator as a function of the first value.
A61B 17/66 - Compression or distraction mechanisms
G01H 11/08 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means using piezoelectric devices
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
A dynamic intervertebral spacer includes a ring which is split on an anterior portion. A posterior portion of the ring acts as a torsion spring. After implantation, the ring is able to act as a spring between superior and inferior vertebral bodies, thus allowing dynamic bone growth in fusion procedures.
The present invention involves a system and methods for assembling and implanting a vertebral body implant. The vertebral body implant includes, but is not necessarily limited to, an expandable core body and endplates that can be attached at both ends. Endplates of various shapes, sizes and angles are attachable to the expandable core so that a suitable vertebral body implant can be implanted between vertebrae.
The present disclosure in one aspect provides a sterile packaging container comprising a container body with a cross-sectional shape that is constant along the majority of the longitudinal axis, a cover and a closure assembly that inhibits the passage of microbial contaminants. The container is configured such that the interior of the container can be sterilized. The sterile packaging container described herein allows one to manufacture a sterile packaging tube exercising the smallest possible volume.
A61F 2/00 - Filters implantable into blood vesselsProstheses, i.e. artificial substitutes or replacements for parts of the bodyAppliances for connecting them with the bodyDevices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
An expandable spinal fusion implant including a housing, upper and lower endplates, a wedge positioned within the housing and between the upper and lower endplates and a drive mechanism to urge the wedge distally between the upper and lower endplates to increase the separation between the endplates and expand the overall height of the distal end of the implant.
The present subject disclosure provides a novel design for devices and methods for straightening a curved spine by using a reduction tool to move the spine with respect to an attached bone plate.
A surgical wire is part of a system that includes a retractor blade defining one or more paths for the surgical wire to follow. The paths can be one or more openings, cannulations, paths, tubes, other structures, or combinations thereof. The surgical wire can be routed through the front, back, and/or middle of the retractor blade and into a vertebral body. The surgical wire can be routed through a shim in communication with the retractor blade and into a vertebral body Systems and methods are used to insert surgical wires into bone. Systems and methods are used for removing surgical wires from bone. Systems include those for gripping and pulling or pushing surgical wires. Systems include those that interact with a retractor (e.g., an arm, body, or blade thereof) to facilitate removal of the surgical wire.
An expandable spinal fusion implant including first and second endplates coupled to an expansion member that sits within a housing. The expansion member is translated by a drive mechanism, whereby translation of the expansion member by the drive mechanism in a distal and proximal directions causes the distance between the endplates to increase and decrease, respectively.
An implantable bone elongation device including an inner rod defining an internal cavity housing a rotational actuator having an output shaft connected to a lead screw disposed at the end of the inner rod and in threaded engagement with a threaded inner surface of an outer rod. Rotation of the lead screw converts rotation motion into linear motion resulting in telescopic movement of the outer rod relative to the inner rod. Rotational motion is converted into linear motion by components disposed in a parallel configuration thereby minimizing the overall length of the bone elongating device while maintaining a maximum stroke length. In various embodiments, additional components, such as electronic circuit boards, electrical power supply or battery power source, may be housed within the internal cavity formed by the inner rod. The bone elongation device of the present invention may be affixed to a bone in a variety of configurations including implantation into a medullary cavity of the bone, attached to an outer surface of the bone, or attached to the bone as an extramedullary plate.
A61B 17/72 - Intramedullary devices, e.g. pins or nails
A61B 17/70 - Spinal positioners or stabilisers, e.g. stabilisers comprising fluid filler in an implant
G16H 40/67 - ICT specially adapted for the management or administration of healthcare resources or facilitiesICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for remote operation
G16H 20/40 - ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture
A61B 34/00 - Computer-aided surgeryManipulators or robots specially adapted for use in surgery
A61B 17/00 - Surgical instruments, devices or methods
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
93.
SURGICAL INSTRUMENT TRACKING DEVICES AND RELATED METHODS
The present disclosure includes systems for surgical navigation, the system comprising a tracking array attachable to a medical instrument, an image capturing device, and a navigation system that communicates with the image capturing device and generates tracking information of the medical device.
A system and method for spinal fusion comprising a spinal fusion implant of non-bone construction releasably coupled to an insertion instrument dimensioned to introduce the spinal fusion implant into any of a variety of spinal target sites, in particular into the thoracic region of the spine.
A system for surgical planning and assessment of spinal pathology or spinal deformity correction in a subject, the system comprises a control unit configured to align one or more vertebral bodies of a biomechanical model to one or more vertebral bodies of the radiograph. The control unit is configured to receive one or more spinal correction inputs. The control unit is configured to, based on the received one or more spinal correction inputs, simulate the biomechanical model in a predetermined posture. The control unit is configured to provide for display one or more characteristics of the simulated biomechanical model.
A harness comprising a patient module connector, an extremity hub; a cable branch including a plurality of channel pairs. The cable branch includes a first end coupled to the patient module connector and a second end coupled to the extremity hub. The harness comprises a monitoring cable configured to attach and detach from the extremity hub.
The present disclosure in one aspect provides a surgical implant comprising an upper bone contacting surface comprising a plurality of irregularly shaped pores having an average pore size, where the pores are formed by a plurality of struts, a lower bone contacting surface comprising a plurality of irregularly shaped pores having an average pore size, wherein the pores are formed by a plurality of struts; and a central body comprising a plurality of irregularly shaped pores having an average pore size, wherein the pores are formed by a plurality of struts, wherein the average pore size on the upper and lower bone contacting surfaces is different than the average pore size on the central body.
An example retraction system includes a first retraction assembly, the first retraction assembly including a first arm coupled to a rack, a second arm coupled to the rack, a first retractor blade coupled to the first arm and a second retractor blade coupled to the second arm. The retraction system also includes a second retraction assembly, the second retraction assembly including a carriage configured to engage a blade post having a blade coupled to a distal end and a handle coupled to a proximal end, the blade post adjustable relative to the carriage. The retraction system also includes a third retractor blade coupled to the blade post.
A rod-to-rod connector implant is disclosed herein, the rod-to-rod connector implant being configured for joining a first rod and a second rod in a spinal fixation procedure. In various embodiments, disclosed herein are the rod-to-rod connector implant; a spinal fixation system comprising such a rod-to-rod connector implant, a first rod, and a second rod to be joined or coupled to the first rod by the connector implant; a method of inserting a rod-to-rod connector implant; and a kit comprising a rod-to-rod connector implant and a pair of forceps configured for use in inserting the connector implant into a patient.
A bone anchor having a rod housing including a base that has an internal groove oriented at an angle oblique to the longitudinal axis of the base, a capture ring situated within the groove and oriented at an angle oblique to the longitudinal axis, and a bone fastener extending into the rod housing and including a fastener head situated within the base and having a surface that mates with the capture surface of the capture ring to maintain a connection between the bone fastener and the rod housing.
