358 results about "Spinal implant" patented technology

The present disclosure provides for spinal implants configured for lateral insertion techniques deployable between a contracted position and an expanded position. The spinal implant may include a first endplate and a second endplate, each having a plurality of guide walls and inclined ramps. The spinal implant may further include a moving mechanism having first and second trolleys configured to act against the first and second plurality of ramps. The moving mechanism may further include a first set screw and a second set screw opposite the first set screw. The moving mechanism may be configured to operably adjust a spacing between the first and second endplates upon simultaneous rotation of the first and second set screws along a rotation axis, and may also operably adjust an angle of inclination between the first and second endplates upon rotating the first set screw or second set screw along the rotation axis.

The method of making a spinal implant fusion device has the steps of: fabricating an implant body structure using 3D printing to create the implant body structure; additively building the body structure having a superior load bearing surface and an inferior load bearing surface and a wall structure; and wherein the body structure has at least a portion of the body structure having a lattice of interconnected struts forming porous walls with openings or passages extending inwardly from an exterior surface forming a porous or open portion with a void volume to solid mass volume greater than 10 percent, preferably greater than 25 percent. Alternatively, the 3D printed structure may be completely or substantially solid with a surface structure comprised of the interconnected arcs that are raised, or created like troughs that appear to be cut into the surface but were created through 3D printing.

A spinal implant assembly, a kit for forming same and a method for forming same. The spinal implant assembly comprises: a first endplate having a first non-planar inner surface; a second endplate having a second non-planar inner surface facing toward the first non-planar inner surface; at least one fastener attaching the first endplate and the second endplate to one another; and a layer including a piezoelectric material (piezoelectric layer), the piezoelectric layer between the first non-planar inner surface and the second non-planar inner surface and having a non-planar upper surface facing toward the first non-planar inner surface and a non-planar lower surface facing toward the second non-planar inner surface, wherein, at a front region of the spinal implant assembly, the first non-planar inner surface and the second non-planar inner surface define a vertically biased interface.

An intervertebral implant for implantation in an intervertebral space between vertebrae. The implant includes a body having a front end, a rear end and a pair of spaced apart first and second side walls extending between the front and rear ends. The front and rear ends extend in a transverse direction and a central axis of the body extends from the rear end to the front end. The rear end defines a first fastener hole having a first central axis and a second fastener hole having a second central axis. The first and second central axes extend parallel to one another at an acute angle relative to the body central axis in the transverse direction.

A device for performing intervertebral body fusion between at a vertebral joint, and associated systems and methods for manufacturing the device are disclosed herein. In some embodiments, the device includes an expandable main body configured to be locked in a desired configuration between a superior and an inferior vertebrae at the vertebral joint to facilitate the intervertebral body fusion at the vertebral joint. A first endplate is connected to the main body. The first endplate can include a superior surface having one or more patient-specific features configured to engage and mate with an inferior surface of the superior vertebra. A second endplate is connected to the main body. The second endplate can include an inferior surface having one or more patient-specific features configured to engage and mate with a superior surface of the inferior vertebra.

Systems and methods of providing an expandable and conforming interbody implant are described. According to some implementations, an interbody implant includes a first surface configured to be disposed adjacent to a first bony endplate, and a second surface configured to be disposed adjacent to a second body endplate, with a height of the interbody implant extending between the first surface and the second surface. According to some implementations, the interbody implant is configured to be selectively disposed in an insertion configuration and a deployed configuration. In some cases, the height of the interbody implant is greater in the deployed configuration than in the insertion configuration. Moreover, in some cases, the first surface is configured to conform to a topology of the first bony endplate, and the second surface is configured to conform to a topology of the second bony endplate.

A device for performing intervertebral body fusion between at a vertebral joint, and associated systems and methods for manufacturing the device are disclosed herein. In some embodiments, the device includes an expandable main body configured to be locked in a desired configuration between a superior and an inferior vertebrae at the vertebral joint to facilitate the intervertebral body fusion at the vertebral joint. A first endplate is connected to the main body. The first endplate can include a superior surface having one or more patient-specific features configured to engage and mate with an inferior surface of the superior vertebra. A second endplate is connected to the main body. The second endplate can include an inferior surface having one or more patient-specific features configured to engage and mate with a superior surface of the inferior vertebra.

A system and method for planning and simulating a surgical operation to create a patient-specific spinal implant are disclosed. The system comprises a remote server configured to receive patient-specific medical image data and generate a 3D mesh model of the patient's spine using algorithms that separate vertebral bodies, remove artifacts, and smooth surfaces. A doctor's computer receives the 3D mesh model and allows real-time manipulation of intervertebral spaces to achieve a desired spinal curvature. The server generates a spinal implant design with surface-mapped endplates matching the patient's vertebral anatomy, which is transmitted to a 3D printer for manufacturing. The method includes steps of receiving image data, generating and updating the 3D mesh model based on doctor input, generating the final implant design, and transmitting it for production. The invention enables the creation of patient-specific spinal implants with improved conformity and surgical outcomes.

A rhomboid shaped spinal implant may include a proximal surface that extends from a first lower end to a first upper end thereof a first distance, and a distal surface that extends from a second lower end to a second upper end thereof a second distance. The implant may include a superior surface that extends from the first upper end of the proximal surface to the second upper end of the distal surface a third distance, and an inferior surface that extends from the first lower end of the proximal surface to the second lower end of the distal surface a fourth distance. In various embodiments, the first distance is greater than the second distance, and the third distance is less than the fourth distance. In some embodiments, at least one bone screw aperture defines a trajectory extending in a direction substantially perpendicular to the superior and / or inferior surface.

A spinal construct includes a coupling member including a first mating surface engageable with an existing fastener implant. The existing fastener implant defines a cavity configured for disposal of an existing spinal rod implant. A connector is engageable with the existing fastener implant and has a rod extending therefrom. A locking member is engageable with a second mating surface of the coupling member. Systems, surgical instruments, implants and methods are disclosed.

An interbody spinal implant / fusion cage and implant inserter system for facilitating interbody fusion in the lumbar spine using bone graft while reducing the number of passes made through the patient's disc space and the sensitive surrounding tissue by integrating bone graft delivery into the inserter system. The system combines insertion of the interbody implant with bone graft delivery directly into the disc space. The system includes the interbody implant, an interbody cover plate, an implant inserter assembly, a cover plate inserter, a bone graft plunger and a bone graft funnel. The inserter assembly includes a large rectangular cannula which attaches to a large rectangular posterior opening in the interbody implant instead of a round cannula. The rectangular cannula approximates the shape of the annulotomy and provides a larger cross-sectional area for passage of a much larger quantity of bone graft material without jamming. Related methods and kits are also disclosed.

A spinal implant device is provided comprising a body structure with a central cavity and a movable lid configured to cover the central cavity. The movable lid is configured to be opened to pack a material in the central cavity. The movable lid can be connected to the body structure with a moveable joint. The spinal implant device can include a compressible feature. A method for treating the spine is provided comprising opening a movable lid of a spinal implant device, packing a material in a central cavity of a spinal implant device, closing the movable lid, and inserting the spinal implant device between vertebrae.

A bellows shaped spinal implant, comprising an upper plate, a lower plate and a bellows shaped shell extending between and joining the upper and lower plates. The bellows shaped shell is formed of titanium or an alloy comprising titanium and includes a wall extending therearound that defines a hollow interior. The wall has a thickness in the range of 0.5 mm to 1.0 mm to provide for radiographic imaging through the wall. The wall is angled or curved inwardly or outwardly between the upper and lower plates to provide stiffness mimicking the stiffness properties of a similarly sized polyetheretherketone (PEEK) implant. The upper and lower plates each comprise porous contact regions including a three-dimensional gyroid lattice structure defined by a plurality of struts and pores in communication with the hollow interior. The outer surfaces of at least a portion of the struts may comprise a laser ablated textured surface.

Expandable spinal implants, systems and methods are disclosed. An expandable spinal implant may include a first endplate, a second endplate, and a moving mechanism that is operably coupled to the first and second endplates. The moving mechanism may include a wedge, a first sliding frame and a second sliding frame disposed on opposite sides of the wedge, a screw guide housing a rotatable first set screw and a rotatable second set screw opposite the first set screw. The first set screw may be operably coupled to the second sliding frame and the second set screw may be operably coupled to the wedge. The moving mechanism may operably adjust a spacing between the first and second endplates upon simultaneous rotation of the first and second set screws and operably adjust an angle of inclination between the first and second endplates upon translating the first set screw or second set screw.

A bellows shaped spinal implant, comprising an upper plate, a lower plate and a bellows shaped shell extending between and joining the upper and lower plates. The bellows shaped shell is formed of titanium or an alloy comprising titanium and includes a wall extending therearound that defines a hollow interior. The wall has a thickness in the range of 0.5 mm to 1.0 mm to provide for radiographic imaging through the wall. The wall is angled or curved inwardly or outwardly between the upper and lower plates to provide stiffness mimicking the stiffness properties of a similarly sized polyetheretherketone (PEEK) implant. The upper and lower plates each comprise porous contact regions including a three-dimensional gyroid lattice structure defined by a plurality of struts and pores in communication with the hollow interior. The outer surfaces of at least a portion of the struts may comprise a laser ablated textured surface.

Minimally-invasive spinal surgery methods, devices, and systems for advancing a spinal implant through an oblique anterolateral retroperitoneal operative corridor to an intervertebral disc space located between the L5 and S1 vertebral bodies of a subject positioned in a lateral decubitus position are described. An example spinal implant system includes a retractor sized and shaped to establish at least a portion of the oblique anterolateral retroperitoneal operative corridor, a spinal implant sized and shaped to pass between the first and second unitary retractor blades of the retractor in connection with the spinal implant being introduced into the intervertebral disc space via the oblique anterolateral retroperitoneal operative corridor, and an introducer instrument configured to pass between the first and second unitary retractor blades of the retractor in connection with the introducer instrument introducing the spinal implant into the intervertebral disc space via the oblique anterolateral retroperitoneal operative corridor.

The present invention relates to an implant fusion device and a method of manufacturing an implant fusion device. More particularly an orthopedic or spinal implant configured to be implanted between adjacent vertebrae or within a gap in a bone or between bones, the device having a manufactured body structure simulating the physical characteristics of trabecular bone, but with improved osteoinductive features on the exterior surface wherein the device is fabricated using 3D printing. Alternatively, the implant may be made through 3D printing in a manner that results in a relatively or completely solid structure, but with a surface that mimics trabecular bone structure.

A spinal screw assembly includes a screw, a connector body, a bore, a crown positioned in the connector body, and a biasing member. The screw has an at least partially rounded head. The connector body has a base and at least two side walls extending from the base. The base includes a base opening. The at least two side walls form a support recess opening defining a central axis. The bore is in one of the at least two side walls of the connector body. The bore extends to the support recess opening along a bore axis transverse to the central axis. The crown has a first end sized to receive the at least partially rounded head of the screw. The biasing member is moveable along the bore axis and engages a slot of the crown to limit the crown's axial movement along the central axis in the unbiased state.

An implant having an upper support body and a lower support body that are coupled together by use of pinions integral to the upper support body and apertures integral to the lower support body. A dual directional driver is rotatably coupled to a forward spacer and a rear spacer, wherein the implant forms a compact arrangement for ease of insertion allowing a posterior surgical approach for placement of the spinal implant for interbody fusion allowing the implant to be inserted through a small incision and rotation of the dual directional driver will cause movement of the upper support body an equal distance from the lower support body to increase the implant in size in situ.

A load sensing assembly for a medical implant is disclosed. The medical implant may include an upper surface, a side surface, a bottom surface, and a cavity housing various sensors and microelectronics. In other embodiments, the medical implant may include a port that is accessible through at least one of the bottom surface, side surface, and the upper surface. The port may be configured to receive an electronics assembly, package, or hermetically sealed enclosure. The electronics package may have a size and shape generally corresponding to the port. In various embodiments, electronic components and sensors may be powered by a local power source. In various embodiments, sensors may be chosen from: accelerometers, gyroscope, strain gauge, pressure sensor, pH sensor, impedance sensor, optical sensor, and / or a temperature sensor. In various embodiments, the medical implant may be chosen from: an interbody spinal implant, a pedicle screw, a connector, and / or a cross-link.

Systems and methods of providing an expandable and conforming interbody implant are described. According to some implementations, an interbody implant includes a first surface configured to be disposed adjacent to a first bony endplate, and a second surface configured to be disposed adjacent to a second body endplate, with a height of the interbody implant extending between the first surface and the second surface. According to some implementations, the interbody implant is configured to be selectively disposed in an insertion configuration and a deployed configuration. In some cases, the height of the interbody implant is greater in the deployed configuration than in the insertion configuration. Moreover, in some cases, the first surface is configured to conform to a topology of the first bony endplate, and the second surface is configured to conform to a topology of the second bony endplate.

The disclosure herein relates to systems, methods, and devices for developing patient-specific spinal implants, treatments, operations, and / or procedures. In some embodiments, systems, methods, and devices described herein can comprise using artificial intelligence, machine learning, and / or predictive modeling to predict the outcome of a spinal surgery, one or more parameters of a spine of a patient after spinal surgery, for example after implantation of a spinal rod which can be patient-specific, and / or one or more parameters of one or more recommended patient-specific spinal rods. Furthermore, in some embodiments, systems, methods, and devices described herein can comprise intraoperative tracking for tracking and / or suggesting improvements during spinal surgery based on a pre-operatively determined surgical plan, for example in real-time or substantially real-time. In addition, in some embodiments, systems, methods, and devices described herein can comprise screw planning prior to spinal surgery.

A system for assessing spinal implants includes at least one processor, and a memory storing instructions for execution by the at least one processor that, when executed, cause the at least one processor to receive first image data of a spinal column of a patient, determine, based on the first image data, a property of first bony anatomy in at least a first portion of the spinal column, determine, based on the property of the first bony anatomy, an initial screw trajectory for inserting a screw into the spinal column, virtually insert the screw along the initial screw trajectory using the first image data to generate modified first image data, perform an initial loading simulation for the virtually inserted screw using the modified first image data, and determine, based on the initial loading simulation, a suitability of the initial screw trajectory for implanting the screw into the spinal column.

A spinal implant device is provided comprising a body structure with a central cavity and a movable lid configured to cover the central cavity. The movable lid is configured to be opened to pack a material in the central cavity. The movable lid can be connected to the body structure with a moveable joint. The spinal implant device can include a compressible feature. A method for treating the spine is provided comprising opening a movable lid of a spinal implant device, packing a material in a central cavity of a spinal implant device, closing the movable lid, and inserting the spinal implant device between vertebrae.

A spinal implant device is provided comprising a body structure with a central cavity and a movable lid configured to cover the central cavity. The movable lid is configured to be opened to pack a material in the central cavity. The movable lid can be connected to the body structure with a moveable joint. The spinal implant device can include a compressible feature. A method for treating the spine is provided comprising opening a movable lid of a spinal implant device, packing a material in a central cavity of a spinal implant device, closing the movable lid, and inserting the spinal implant device between vertebrae.

A spinal implant device includes a unitary strand extending from a first end to a second end. The unitary strand includes an exterior surface defining an infill volume with an infill structure. The exterior surface extends from the first end to the second end. A first bead is formed in the strand has a first diameter. The second bead is formed in the strand has a second diameter. At least one joint is formed in the strand between the first bead and the second bead. The at least one joint has a third diameter that is less than the first diameter and less than the second diameter.

A spinal implant device is provided comprising a body structure with a central cavity and a movable lid configured to cover the central cavity. The movable lid is configured to be opened to pack a material in the central cavity. The movable lid can be connected to the body structure with a moveable joint. The spinal implant device can include a compressible feature. A method for treating the spine is provided comprising opening a movable lid of a spinal implant device, packing a material in a central cavity of a spinal implant device, closing the movable lid, and inserting the spinal implant device between vertebrae.

The present invention relates to an assembly of a spinal implant having a detachable head module, in which the head module is manufactured by being modularized by seating an inner lock in a seating hole of a housing in vitro before a main operation, and fixing a spring rod, which may be connected for each segment, to the housing in a state in which a direction and angle of the rod is adjusted, and the head module is coupled to an anchor fixed in advance to a vertebral body during the main operation, such that spinal implantation may be easily and conveniently performed without requiring a process of forcibly bending or accurately aligning the rod in accordance with an alignment line of the anchor. The present invention provides a spinal implant having a detachable head module.

The spine implant comprises a frame body and a porous structure, the frame body comprises a first end and a second end which are opposite to each other, a cavity is formed in the frame body, and the cavity penetrates through the frame body in the direction from the first end to the second end; the porous structure comprises a first porous part, the first porous part is contained in the cavity and connected with the frame body, the first porous part comprises a first part, a second part and a third part which are sequentially distributed from the first end to the second end, and the porosity of the first part and the porosity of the third part are both larger than the porosity of the second part. According to the embodiment of the invention, the first part, the second part and the third part of the porous structure of the spine implant are sequentially distributed in the direction from the first end to the second end of the frame body, and the porosity of the first part and the porosity of the third part are greater than that of the second part, so that stress shielding of the spine implant can be reduced; the bone ingrowth performance of the bone is improved, and the risk that the middle of the spine implant is broken is reduced.

The invention relates to a coating for an implant component, a method for producing an implant component having said coating, and a use of said coating on an implant component. The coating is intended for an implant component, in particular a spinal implant component, and is a TiNb coating which has, in addition to an atom % proportion of Ti and an atom % proportion of Nb, an atom % proportion of 5-30 atom % of Ag.