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.
Provided herein is an adjustable implant configured to non-invasively guide bone growth in a patient. The adjustable implant includes a first portion configured to couple to a first bone segment and a second portion at least partially disposed within the first portion and configured to couple to a second bone segment. The adjustable implant includes a drive assembly configured to be transcutaneously actuated, and to drive rotation of a gear assembly configured to rotate about a first axis, and drive axial translation of the second portion along a second axis. Non-invasive actuation of the drive assembly therefore causes the adjustable implant to distract or retract along the second axis.
Disclosed herein are lock mechanisms configured for locking and unlocking rotation of a driver and a driven gear system in implantable distraction and compression systems, and implantable medical devices and implantable distraction and compression systems including such lock mechanisms. The lock mechanisms include a keeper that is configured to move from a locked position to an unlocked position in response to a rotation of the driver, wherein, in the locked position, the keeper is configured to resist rotation of the driven features and the driver under a load on the driven features, and in the unlocked position, permits rotation of the drive gear and the driver.
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.
The present disclosure includes bone screws, spinal implant, drivers, and their assemblies thereof or surgical procedures of the spine including but not limited to anterior lumbar interbody fusion (ALIF) procedures.
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 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.
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
An adjustable implant system configured to non-invasively guide bone growth in a patient. The adjustable implant system includes a tether having a first end coupled to a fixed bone anchor and a second end coupled to an adjustable bone anchor. The adjustable bone anchor includes a driver disposed within a housing and the driver is configured to actuate in response to an externally applied magnetic field. The adjustable implant system includes an external adjustment device configured to non-invasively actuate the driver disposed within the adjustable bone anchor. Non-invasive actuation of the driver can cause the adjustable bone anchor to increase or decrease the amount of tension on the tether.
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
One aspect of the disclosure relates to an aspect of the disclosure relates to an adjustable implant including: a housing; a first adjustable member at least partially positioned within the housing and moveable relative to the housing; and a first actuation assembly positioned within the first adjustable member and configured to move the first adjustable member relative to the housing.
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
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
The present disclosure broadly provides applications of communication at ultrasound frequencies to establish transcutaneous data communication between medical devices located on and/or within a body of a patient, including inter alia: features for adjustable implants including data communication, hermetic containment, and torque amplification features.
Aspects of the disclosure relate to an adjustable implant configured to be implanted into a patient that includes an adjustable portion moveable relative to a housing. The adjustable implant may include various smart components for enhancing operation of the implant. Smart components may include a controller for managing operations and a transducer for communicating ultrasound data with an external interface device. Additional smart components may include a load cell within the housing for measuring an imparted load; a sensor for measuring angular position of the adjustable portion; a dual sensor arrangement for measuring imparted forces; a reed switch; a half piezo transducer; and an energy harvester.
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
A method for robotic assisted surgery. The method includes capturing a plurality of poses of a surgical tool coupled to a robotic device at a surgical site. The plurality of poses correspond to instances of a final placement of surgical implants at the surgical site. The method also includes determining a plurality of positions of the surgical implants located at the surgical site based on the captured plurality of poses. The method also includes generating a bend curve having a plurality of bend points based on the determined plurality of positions of the surgical implants. The method also includes generating bending instructions for bends to be performed on a linking device configured for attachment to the surgical implants.
Implantable medical devices are disclosed herein, having a biocompatible housing; a driver of rotational motion; a receiver of rotational motion; and an interface configured to transfer torque from the driver to the receiver. In various embodiments, the interface comprises magnetic, mechanical, or magnetic and mechanical elements for transferring torque.
A surgical fixation system including a base plate, a plurality of anchors and a locking element. The base plate has at least a pair of fixation apertures configured to receive at least a portion of the anchors therethrough. The fixation apertures are located within the base plate such that upon proper placement of the base plate within a surgical target site, one of the fixation apertures is positioned over a first bone segment (e.g., a first vertebral body), and the other fixation aperture is positioned over a second bone segment (e.g., a second vertebral body).
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.
A system for moving a portion of a patient's body including a housing having a first cavity extending along a longitudinal axis, a first distraction rod having a proximal end and a distal end, the first distraction rod and the housing being telescopically displaceable with respect to each other along the longitudinal axis, the first distraction rod having a cavity extending along the longitudinal axis, a second distraction rod having a proximal end and a distal end and configured to be telescopically displaceable from within the second cavity along the longitudinal axis, and a drive system configured to move the first distraction rod in relation to the housing and to move the second distraction rod in relation to the first distraction rod.
A61B 17/70 - Spinal positioners or stabilisers, e.g. stabilisers comprising fluid filler in an implant
A61B 17/72 - Intramedullary devices, e.g. pins or nails
A61B 50/20 - Holders specially adapted for surgical or diagnostic appliances or instruments
A61B 50/30 - Containers specially adapted for packaging, protecting, dispensing, collecting or disposing of surgical or diagnostic appliances or instruments
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 configured to move along a first trajectory. The tissue retraction system includes a first retractor blade coupled to the right arm assembly. The tissue retraction system includes a left arm assembly configured to move along a second trajectory. The tissue retraction system includes a second retractor blade coupled to the left arm assembly.
One aspect of the disclosure relates to vertebral body derotation (VBD) system. In one embodiment, the VBD system includes a first pair of derotation towers and a second pair of derotation towers, a first transverse coupler coupled to the first pair of derotation towers and a second transverse coupler coupled to the second pair of derotation towers, and at least one clamp configured to couple the first and second transverse connectors in the cranial-caudal direction or a first derotation tower of the first pair of derotation towers and a second derotation tower of the second pair of derotation towers in the cranial-caudal direction.
Various implementations include implants and related methods for moving bone. Certain implementations include an implant for moving bone in a patient's body, the implant including: an implantable biocompatible housing; a first adjustment rod at least partially overlapping the implantable biocompatible housing; a driver configured to drive the first adjustment rod to enable movement of the first adjustment rod relative to the housing; and a load sensor positioned within the housing and configured to indicate a load applied by the driver on the first adjustment rod.
A61B 17/72 - Intramedullary devices, e.g. pins or nails
A61B 17/00 - Surgical instruments, devices or methods
A61B 17/56 - Surgical instruments or methods for treatment of bones or jointsDevices specially adapted 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
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.
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.
One aspect of the disclosure relates to an extramedullary distraction and compression system. The extramedullary distraction system includes: a housing configured to be attached to a bone at a first location, the housing having a magnet and a lead screw positioned therein, wherein the lead screw is coupled to the magnet such that rotation of the magnet causes rotation of the lead screw, at least one retainer clip disposed around the lead screw; a rod configured to be attached to the bone at a second location and configured to interact with the lead screw such that, upon rotation of the lead screw, the rod distracts or contracts relative to the housing.
A method is provided for planning, performing, and assessing of surgical correction to the spine during a spinal surgical procedure. This method is implemented by a control unit through a GUI to digitize screw locations, digitize anatomical reference points, accept one or more correction inputs, and generate one or more rod solution outputs shaped to engage the screws at locations distinct from the originally digitized locations.
A61B 17/88 - Methods or means for implanting or extracting internal fixation devices
A61B 34/00 - Computer-aided surgeryManipulators or robots specially adapted for use in surgery
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
An expandable implant includes: a first endplate, a second endplate, a first translating member moveably coupled to a first actuator, and a second translating member moveably coupled to a second actuator. The first translating member may be configured to move independently from the second translating member, and the first translating member and the second translating member may be configured to change a spatial relationship between the first endplate and the second endplate. The change in spatial relationship may change a resulting height, length, width, angle of lordosis, or other dimension of the expandable implant.
A surgical access system comprising a tissue dilation assembly and a tissue retraction assembly, both of which may be equipped with one or more electrodes for use in detecting the existence of (and optionally the distance and/or direction to) neural structures.
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 system for bone transport is provided, the system comprising: an adjustable length implant configured for intramedullary placement and comprising a first end configured to be coupled to bone and a second end configured to be coupled to bone, wherein the first end and the second end are displaceable relative to each other along a longitudinal axis; and a driving element configured to be non-invasively activated to displace the first and second ends relative to one another along the longitudinal axis; and a support member having distal and proximal ends, wherein the support member includes a longitudinally extending slot disposed between the distal and proximal ends of the support member, the slot having opposing ends, wherein the slot is configured to pass an elongate anchor such that the elongate anchor is slidable between the first end and the second end of the slot.
This application describes surgical instruments and implants for building a posterior fixation construct across one or more segments of the spinal column. More specifically, the application describes instruments and methods for building a posterior fixation construct across one or more segments of the spinal column in a minimally invasive fashion.
A61B 17/70 - Spinal positioners or stabilisers, e.g. stabilisers comprising fluid filler in an implant
A61B 17/00 - Surgical instruments, devices or methods
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 17/60 - Surgical instruments or methods for treatment of bones or jointsDevices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements for external osteosynthesis, e.g. distractors or contractors
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.
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
36.
ADAPTER FOR PATIENT REFERENCE ARRAY AND BONE ANCHOR ASSEMBLY
An apparatus includes a reference array, a bone anchor, a receiver assembly coupled to the bone anchor, and an adapter axially locked with the receiver assembly. The adapter includes a proximal end coupled to the reference array and a distal end coupled to the receiver assembly.
Devices and methods for making a polymer with a porous layer from a solid piece of polymer are disclosed. In various embodiments, the method includes heating a surface of a solid piece of polymer to a processing temperature and holding the processing temperature while displacing a porogen layer through the surface of the polymer to create a matrix layer of the solid polymer body comprising the polymer and the porogen layer. In at least one embodiment, the method also includes removing at least a portion of the layer of porogen from the matrix layer to create a porous layer of the solid piece of polymer.
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
A61B 6/12 - Arrangements for detecting or locating foreign bodies
A61B 6/50 - Apparatus or devices for radiation diagnosisApparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body partsApparatus or devices for radiation diagnosisApparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific clinical applications
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
A61F 2/44 - Joints for the spine, e.g. vertebrae, spinal discs
A61L 27/18 - Macromolecular materials obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
A61L 27/50 - Materials characterised by their function or physical properties
A61L 31/06 - Macromolecular materials obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
B29C 44/04 - Shaping by internal pressure generated in the material, e.g. swelling or foaming for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
B29C 44/34 - Component parts, details or accessoriesAuxiliary operations
B29C 67/20 - Shaping techniques not covered by groups , or for porous or cellular articles, e.g. of foam plastics, coarse-pored
B29K 71/00 - Use of polyethers as moulding material
C08J 9/00 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof
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
38.
BONE DISTRACTION DEVICES AND METHODS OF USING SAME
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.
This disclosure describes example embodiments of rod reduction instrumentation and other rod and vertebrae manipulation instruments. The rod reducers can be used during the installation of a rod based surgical fixation system to help urge the rod into the fixation anchors. The reducers described provide various configurations delivering large reduction distance capabilities, strong controlled reduction coupled with an ability to quickly advance the reducer if desired, and reduction of bulk through the surgical corridor.
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.
In one embodiment, a method of treating a patient includes: providing a tensioning device having: a connector configured to couple to a soft tissue, and an adjustable anchor configured to couple to the connector and to couple to a bone, wherein the adjustable anchor comprises: a first end and a second end; a housing extending between the first end and the second end; and an adjustable component disposed within the housing; inserting the second end of the adjustable anchor into the bone; connecting the connector to the soft tissue; coupling the connector to the adjustable anchor; and adjusting a tension on the connector by rotating the adjustable component within the housing in response to a wireless signal.
A61B 17/04 - Surgical instruments, devices or methods for closing wounds or holding wounds closedAccessories for use therewith for suturing woundsHolders or packages for needles or suture materials
A61B 17/00 - Surgical instruments, devices or methods
45.
SYSTEMS AND METHODS FOR PLANNING, PERFORMING, AND ASSESSING SPINAL CORRECTION DURING SURGERY
Methods are provided for planning, performing, and assessing of surgical correction to the spine during a spinal surgical procedure. These methods are implemented by a control unit through a GUI to digitize screw locations, digitize anatomical reference points, accept one or more correction inputs, and generate one or more rod solution outputs shaped to engage the screws at locations distinct from the originally digitized locations.
A61B 34/20 - Surgical navigation systemsDevices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
A61B 17/70 - Spinal positioners or stabilisers, e.g. stabilisers comprising fluid filler in an implant
A61B 17/88 - Methods or means for implanting or extracting internal fixation devices
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
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
G16H 40/63 - 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 local operation
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
46.
ADJUSTABLE DEVICES FOR TREATING ARTHRITIS OF THE KNEE
Systems and related methods for changing the angle of a bone of a subject is provided by the present disclosure. The system may include a non-invasively adjustable implant configured to be placed inside a cavity within the bone. The non-invasively adjustable implant may couple to a first portion of bone and a second portion of bone that is separated or separable from the first portion of bone, such that non-invasive elongation of the adjustable implant causes movement of the first portion of bone and the second portion of bone apart angularly. The system may include an anchor configured to couple the non-invasively adjustable implant to bone. The non-invasively adjustable implant may include an anchor hole configured to receive the anchor therein.
One aspect of the disclosure relates to a surgical instruments and surgical instrument guides, and associated methods. The surgical instrument may include: an elongated body having a distal end; a housing disposed at least partially within the elongated body and pivotably coupled to the elongated body; and an actuator engaged with a proximal end of the elongated body and operably associated with the housing such that the housing pivots about a pivot point upon actuation of the actuator. In another embodiment, the surgical instrument may include: an elongated body having a segmented distal tip; a guide barrel extending longitudinally within the elongated body, the guide barrel being substantially aligned with a bore within the segmented distal tip, wherein the segmented distal tip is configured to transition between an unexpanded configuration and an expanded configuration.
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 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.
Disclosed herein are stylet control handles and related methods for extending and retracting a stylet during insertion of a bone anchor, and for providing a visual indication of the extent of extension of the stylet.
This application describes surgical instruments and implants for building a fixation construct across one or more segments of the spinal column during a lumbar interbody fusion (LIF) procedure.
A device for the non-invasive sensing of the length of an implantable medical device includes an implantable medical device having first and second portions moveable relative to one another and a layer of resistive material disposed on one of the first and second portions. A contact is disposed on the other of the first and second portions, the contact being in sliding contact with the layer of resistive material upon relative movement between the first and second portions. A circuit is configured to measure the electrical resistance along a path including a variable length region of the layer of resistive material and the contact. The electrical resistance can then be converted into a length.
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.
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.
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.
A system includes a first pedicle screw, a second pedicle screw, and an adjustable rod having an outer housing coupled to one of the first pedicle screw and the second pedicle screw, the outer housing having a threaded shaft secured to one end thereof extending along an interior portion thereof. The system farther includes a hollow magnetic assembly disposed within the outer housing and having a magnetic element disposed therein, the hollow magnetic assembly having an internal threaded surface engaged with the threaded shaft, the magnetic assembly being coupled to the other of the first pedicle screw and the second pedicle screw, wherein the hollow magnetic assembly rotates in response to an externally applied magnetic field to thereby lengthen or shorten the distance between the first pedicle screw and the second pedicle screw.
The present disclosure provides implants, sensor modules, networks, and methods configured to establish transcutaneous power and transcutaneous bidirectional data communication using ultrasound signals between two or more medical devices located on and within a body of a patient.
A61F 2/48 - Operating or control means, e.g. from outside the body, control of sphincters
G16H 40/63 - 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 local operation
58.
SYSTEM AND METHOD FOR ALTERING ROTATIONAL ALIGNMENT OF BONE SECTIONS
The disclosure describes systems and methods for altering bone sections in a patient. In one embodiment, a system may include an intramedullary implant including: a housing configured to be secured to a first section of bone, where the housing may include one or more shaft engaging grooves axially extending along an inner surface thereof; a distraction shaft configured to be secured to a second section of bone, where the distraction shaft may include one or more grooves axially extending along an inner surface thereof. The system may further include an actuator disposed within the housing and operably coupled to the distraction shaft, and in response to rotation of the actuator, the one or more grooves of the distraction shaft may engage with the one or more shaft engaging grooves of the housing, causing axial displacement of the distraction shaft relative to the housing.
A61B 17/92 - Impactors or extractors, e.g. for removing intramedullary devices
A61B 50/30 - Containers specially adapted for packaging, protecting, dispensing, collecting or disposing of surgical or diagnostic appliances or instruments
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
A61B 5/257 - Means for maintaining electrode contact with the body using adhesive means, e.g. adhesive pads or tapes
A61B 5/296 - Bioelectric electrodes therefor specially adapted for particular uses for electromyography [EMG]
A61B 5/395 - Details of stimulation, e.g. nerve stimulation to elicit EMG response
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
A method includes receiving a three-dimensional image dataset of a surgical site of a patient. The method also includes segmenting one or more anatomical features of the surgical site based on the three-dimensional image dataset. The method also includes receiving a two-dimensional image of the surgical site of the patient and registering the two-dimensional image to an image from the three-dimensional image dataset. The method also includes displaying a two-dimensional representation of the segmented one or more anatomical features based on the registered two-dimensional image and the image from the three-dimensional image dataset.
G06T 7/30 - Determination of transform parameters for the alignment of images, i.e. image registration
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 10/26 - Segmentation of patterns in the image fieldCutting or merging of image elements to establish the pattern region, e.g. clustering-based techniquesDetection of occlusion
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
G06V 10/82 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using neural networks
An assembly comprising a drive gear coupled to a shaft and a dial. The drive gear is configured to rotate along a first axis based on movement of the dial. The assembly includes a first linking member located along a second axis and configured to rotate about the second axis based on contact with the drive gear as the drive gear is rotated. The assembly includes a second linking member located along the second axis and configured to rotate about the second axis based on rotation of the drive gear and a coupling between the first linking member and the second linking member. The assembly includes a linking member selector configured to rotate about the first axis and for selecting at least a position corresponding to the first linking member that causes the coupling between the first linking member and the second linking member.
A61B 17/02 - Surgical instruments, devices or methods for holding wounds open, e.g. retractorsTractors
A61B 17/00 - Surgical instruments, devices or methods
A61B 17/70 - Spinal positioners or stabilisers, e.g. stabilisers comprising fluid filler in an implant
F16D 21/02 - Systems comprising a plurality of mechanically-actuated clutches for interconnecting three or more shafts or other transmission members in different ways
62.
POWER MODULES AND METHODS FOR BONE ANCHOR AND STYLET INSERTION
Disclosed herein are power modules and methods for insertion of a cannulated bone anchor and a stylet. Power modules disclosed herein are configured to adjustably control insertion of a bone anchor and a stylet under power from a motor. In certain embodiments, the motor may be included in a power hand piece. The power modules disclosed herein may be further configured to releasably couple a power hand piece to a driver for insertion of the bone anchor and stylet into the bone of a subject.
A method for performing a surgical procedure includes: positioning a patient in a surgical patient interface device that includes: a base, a platform coupled to the base, and a first abutment and a second abutment each coupled to the platform; rotating the platform between a first position and a second position, where, in the first position, the platform extends in a substantially horizontal direction relative to the base, and the first and second abutments are separated by a first distance, and in the second position, the platform extends in a substantially vertical direction relative to the base; adjusting one or both of the first and second abutments relative to the platform such that, in the second position, the first and second abutments are separated by a second distance different from the first distance; and accessing a target portion of skin of the patient for the surgical procedure.
A digitizer pointer is provided as part of a system for correcting a curvature or deformity in a patient's spine based on the digitized locations of implanted screws and tracking the placement of the rod as it is placed in a minimally invasive fashion. The digitizer pointer includes an offset adjustment feature, a swivel feature, and a translation feature.
A61B 17/70 - Spinal positioners or stabilisers, e.g. stabilisers comprising fluid filler in an implant
A61B 17/00 - Surgical instruments, devices or methods
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
B21D 7/02 - Bending rods, profiles, or tubes over a stationary forming memberBending rods, profiles, or tubes by use of a swinging forming member or abutment
B21D 7/024 - Bending rods, profiles, or tubes over a stationary forming memberBending rods, profiles, or tubes by use of a swinging forming member or abutment by a swinging forming member
B21D 7/04 - Bending rods, profiles, or tubes over a movably-arranged forming member
B21D 7/06 - Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutmentsPliers with forming dies
The present disclosure describes a surgical retractor system and method. The surgical retractor includes an elongate element defining an operational axis, a first blade secured to the elongate element and comprising a blade face, a second blade moveably secured to the elongate element, wherein the second blade defines a reference point located thereon, and wherein a movement of the second blade moves the reference point in a linear direction parallel to the operational axis and orthogonal to the blade face. A guide element may be removably located within an opening located on either the first blade or the second blade.
G06F 3/033 - Pointing devices displaced or positioned by the userAccessories therefor
G06F 3/04817 - Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance using icons
G06F 3/0484 - Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
Multiple processes for preparing porous articles are described. The porous articles can be in a wide array of shapes and configurations. The methods include providing a soluble material in particulate form and forming a packed region from the material. The methods also include contacting a flowable polymeric material with the packed region such that the polymeric material is disposed in voids in the packed region. Also described are systems for performing the various processes.
B29C 39/14 - Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressureApparatus therefor for making articles of indefinite length
B29C 43/22 - Compression moulding, i.e. applying external pressure to flow the moulding materialApparatus therefor of articles of indefinite length
B29C 43/28 - Compression moulding, i.e. applying external pressure to flow the moulding materialApparatus therefor of articles of indefinite length incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
B29C 43/34 - Feeding the material to the mould or the compression means
B29C 67/08 - Screen moulding, e.g. forcing the moulding material through a perforated screen on to a moulding surface
B29K 105/04 - Condition, form or state of moulded material cellular or porous
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
This disclosure describes example embodiments of rod reduction instrumentation and other rod and vertebrae manipulation instruments. The rod reducers can be used during the installation of a rod based surgical fixation system to help urge the rod into the fixation anchors. The reducers described provide various configurations delivering large reduction distance capabilities, strong controlled reduction coupled with an ability to quickly advance the reducer if desired, and reduction of bulk through the surgical corridor.
Systems and methods for adjusting a curvature of a spine are provided. The systems may include an implant body, an actuator coupled to the implant body, a sensor configured to detect a parameter indicative of a biological condition, a transceiver, and a controller. The transceiver may be configured to transmit data associated with the parameter to an external remote control and receive instructions from the external remote control. Finally, the controller is configured to move the actuator in response to the instructions from the external remote control, wherein the actuator adjusts the implant body. The methods may include measuring a parameter indicative of a biological condition; transmitting data associated with the parameter from the implantable device to an external remote control; transmitting instructions from the external remote control to the implantable device; and actuating the implantable device in response to the instructions from the external remote control.
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
The present disclosure broadly provides applications of communication at ultrasound frequencies to establish transcutaneous data communication between medical devices located on and/or within a body of a patient, including inter alia: features for adjustable implants including data communication, hermetic containment, and torque amplification features.
An implant includes: an inner rod having an outer surface; an outer rod in telescopic engagement with the inner rod, the outer rod having a threaded inner surface in axial slidable engagement with the outer surface of the inner rod; the inner rod and the outer rod each having an end configured for attachment to bone; a rotational actuator housed within the inner rod; and a lead screw in axial alignment with the rotational actuator and rotationally coupled thereto, the lead screw in threaded engagement with the threaded inner surface of the outer rod, whereby rotational motion of the actuator is converted into linear motion, resulting in telescopic changes in the overall axial length of the device.
A61B 17/70 - Spinal positioners or stabilisers, e.g. stabilisers comprising fluid filler in an implant
A61B 17/72 - Intramedullary devices, e.g. pins or nails
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
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
A61B 17/00 - Surgical instruments, devices or methods
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
A vertebral body replacement device, dimensioned for implantation between a first and second vertebral bone is described. The vertebral body replacement device includes a superior endcap, an inferior endcap and a central core between the superior and inferior endcaps. The vertebral body replacement device further includes a fusion aperture extending through the superior and inferior endcaps and central core. The vertebral body replacement device is made of radiolucent material and can be implanted from a lateral or anterior approach to the spine.
A61F 2/44 - Joints for the spine, e.g. vertebrae, spinal discs
A61B 17/02 - Surgical instruments, devices or methods for holding wounds open, e.g. retractorsTractors
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
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.
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.
An external adjustment device includes at least one permanent magnet configured for rotation about an axis with a first handle extending linearly at a first end of the device and a second handle at a second end of the device, the second handle extending in a direction substantially off axis to the first handle. The external adjustment device further includes a motor mounted inside the first handle and a first button located in the proximity to one of the first handle or the second handle, the first button configured to be operated by the thumb of a hand that grips the one of the first handle or second handle. The first button is configured to actuate the motor causing the at least one permanent magnet to rotate about the axis in a first direction.
A61B 17/70 - Spinal positioners or stabilisers, e.g. stabilisers comprising fluid filler in an implant
A61B 17/00 - Surgical instruments, devices or methods
A61B 17/72 - Intramedullary devices, e.g. pins or nails
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 90/92 - Identification means for patients or instruments, e.g. tags coded with colour
A61B 90/98 - Identification means for patients or instruments, e.g. tags using electromagnetic means, e.g. transponders
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.
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.
A distraction system includes a distraction rod having one end configured for affixation to at a first location on patient. The system further includes an adjustable portion configured for placement in the patient at a second location, the adjustable portion comprising a housing containing a magnetic assembly comprising a magnet, the magnetic assembly secured to a threaded element that interfaces with an opposing end of the distraction rod. The system includes a magnetically permeable member in proximity to the magnetic assembly and covering an arc of less than 360° of the adjustable portion.
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.
The disclosure provides an intervertebral disc and related methods. An upper plate includes an upper vertebra contacting portion and a lower bearing surface portion. The upper vertebra contacting portion includes a convex central portion, and a fin or anchoring element with a transverse hole therethrough. A lower plate has a lower vertebra contacting surface and an upper bearing surface. The lower vertebra contacting surface of the lower plate has a convex central portion. The upper bearing surface has a concavity disposed opposite the convex central portion and wherein the convex central portion and the concavity have nesting curvatures. A core positioned between the upper and lower plates has rigid upper and lower convex surfaces configured to slide and translate over the bearing surfaces of the upper and lower plates.
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.
Disclosed herein are distraction and compression devices configured for placement between a first section of a bone and a second section of the bone, which are scalable to small implant sizes. In various embodiments, the devices include a distraction shaft having an internal cavity disposed therein, the distraction shaft being configured for fixation to the first section of bone; and a housing configured for fixation to the second bone section, wherein the distraction shaft is configured to be axially movable relative to, and disposed partially within the housing. A driving element is disposed within the housing, which is configured to rotatably drive a gear assembly, and a lead screw assembly is disposed at least partly within the internal cavity of the distraction shaft, the lead screw assembly being configured to rotatably advance and/or retract a lead screw within the internal cavity, and to be rotatably driven by the cycloid gear assembly.
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.
An external adjustment device for non-invasively adjusting an adjustable implant, the external adjustment device including a controller in communication with an actuator associated with the implant and a sensor configured to receive information from or about the implant. The external adjustment device may include a power source and a display. The external adjustment device may include a magnetic element configured to generate a rotating magnetic field; and a driver configured to drive the magnetic element to generate the rotating magnetic field and configured to rotate a permanent magnet of an implant. Upon placing the external adjustment device in proximity to the implant, the magnetic element is configured to magnetically couple with the permanent magnet. The external adjustment device may be configured to non-invasively determine one or more of a magnetic coupling state and a stalled state of the magnetic element and the permanent magnet disposed within the implant.
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
A system for non-invasively adjusting the curvature of a spine includes a housing having a first end and a second end, a first rod having a first end telescopically disposed within a cavity of the housing along a first longitudinal axis at the first end of the housing and having a first threaded portion extending thereon, and a second end configured to be coupled to a first portion of a spinal system of a subject, a second rod having a first end telescopically disposed within the cavity along a second longitudinal axis at the second end of the housing and having a second threaded portion extending thereon, and a second end configured to be coupled to a second portion of the spinal system of the subject, a driving member rotatably disposed within the cavity and configured to be activated from a location external to the body of the subject.
