1110results about "Spinal implants" patented technology

An expandable interbody with a modular endplate has an outer column, an inner column threadedly coupled and translatable relative to the outer column along the longitudinal axis, and an expansion ring to adjust a body length of the expandable interbody. The expansion ring has a plurality of teeth, and the outer column has at least one arm for engaging a tooth of the plurality of teeth to lock the expansion ring. The inner column and / or outer column can include a connector for connection to a modular endplate that has a substantially hollow core. The modular endplate includes a plate with a set screw entrapped therein. The modular endplate has an aperture to receive the connector of the inner and / or outer column.

A system and computer-implemented method for manufacturing an orthopedic implant involves analyzing tissue characteristics based on image data of anatomy. Image data of a patient can be analyzed to identify at least one tissue characteristic at different locations along anatomic elements of anatomy of interest. A patient-specific implant configuration can be determined based on the analysis of the image data of a patient.

Systems and methods for designing and implementing patient-specific surgical procedures and / or medical devices are disclosed. In some embodiments, a method includes receiving a patient data set of a patient. The patient data set is compared to a plurality of reference patient data sets, wherein each of the plurality of reference patient data sets is associated with a corresponding reference patient. A subset of the plurality of reference patient data sets is selected based, at least partly, on similarity to the patient data set and treatment outcome of the corresponding reference patient. Based on the selected subset, at least one surgical procedure or medical device design for treating the patient is generated.

The present invention relates generally to implants and tools for the fixation or fusion of joints or bone segments. These tools include tissue dilators and protectors. Other tools include broaches used to shape bores in bone. The tools can also include a system for removing an implant from bone. Implants can include assemblies of one or more implant structures that make possible the achievement of diverse interventions involving the fusion and / or stabilization of lumbar and sacral vertebra in a non-invasive manner, with minimal incision, and without the necessitating the removing the intervertebral disc. Implants for fusing both sacroiliac joints of a patient include a long implant that extends across both sacroiliac joints.

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 invention provides an interbody fusion cage. The interbody fusion cage comprises an upper vertebral plate, a lower vertebral plate and a shell, the driving device comprises a driving rod, and a bevel gear pair is arranged on one side of the driving rod; the transmission bevel gear is meshed with the bevel gear pair; the top of the supporting rod is provided with a first spherical hinge, the first spherical hinge is embedded into the spherical seat of the upper vertebral plate, the outer surface of the supporting rod is provided with a transmission thread, and the bottom of the supporting rod is provided with a second spherical hinge; the sleeve is arranged on the outer surface of the supporting rod in a sleeving mode, and the top of the flexible base abuts against the second spherical hinge. According to the technical scheme, the stress shielding effect in the implanting process of the interbody fusion cage can be effectively achieved, and the technical problem that the interbody fusion cage is attached to the physiological curvature can be effectively solved.

The invention discloses an angle-adjustable or deployable multi-stage anchoring insertion sheet system, and relates to the technical field of medical instruments, the angle-adjustable or deployable multi-stage anchoring insertion sheet system comprises a hollow box body, and the upper surface and the lower surface of the box body are each provided with at least one insertion sheet outlet; the at least one group of inserting piece driving mechanism is arranged in the box body and is used for generating linear driving force; the at least two insertion sheet assemblies are accommodated in the box body in an initial state, and each insertion sheet assembly is in driving connection with the insertion sheet driving mechanism; according to the intervertebral fusion cage, the secondary anchoring part capable of moving relative to the basic anchoring part is arranged, so that the anchoring angle or the opening degree of the fusion cage can be adjusted according to a vertebral form operation of a patient after the fusion cage is implanted, the adaptability to different anatomic forms is improved, and a more flexible anchoring scheme is provided for an intervertebral fusion operation.

Systems and methods for designing and implementing patient-specific surgical procedures and / or medical devices are disclosed. In some embodiments, a method includes receiving intra-operative data during a surgical procedure to install a patient-specific implant in a patient. The system can compare the intra-operative data to a pre-operative plan to determine whether the implant is positioned and located according to the pre-operative plan.

The invention of the gradient porous structured sacral prosthesis and the manufacturing process aims to create an alternative replacement for bone loss in patients who require bone replacement. The gradient porous structured sacral prosthesis consists of an artificial bone fragment, a metal rod, and a set of screws for fixing the fragments. The manufacturing process consists of seven steps: Identifying the position and boundaries of the bone, First-step topology optimization, Second-step topology optimization, Defining the structural pattern and unit cell size, Designing the artificial bone implant, Mechanical performance testing of the implant, and Fabrication of the sacral implant. The devices and processes according to the present invention are clearly sequenced and characterized. Modification or change in the manufacturing sequence or use may reduce the capabilities of the present invention or make it unusable for the purposes of the present invention.

A sacroiliac (SI) joint implant assembly addresses SI joint dysfunction and degenerative sacroiliitis. The assembly includes a first implant body, a second implant body, and a piezoelectric layer positioned between them. The piezoelectric layer generates electrical charges when subjected to mechanical stress, stimulating bone growth and enhancing stability of the SI joint after surgery. The implant bodies may feature non-planar surfaces to distribute compressive and shear forces unevenly across the piezoelectric layer. The assembly can be secured using fasteners such as screws, pins, or brackets, and may include porous or fenestrated bodies made from materials like titanium or polymers. Some implant assemblies are designed for minimally invasive surgical procedures, with configurations that allow for precise placement using guide wires and imaging techniques. The assembly aims to stabilize the SI joint and promote bone fusion, leveraging the piezoelectric effect to improve the overall efficacy of the fusion procedure.

Provided herein are an anchor and interbody for interbody fusion, including an interbody for insertion between human vertebrae, including an interbody cage including a plurality of anchor receptacles, each anchor receptacle configured to receive an anchor to secure the interbody to a vertebra; and the anchor, including a head configured to engage an anchor receptacle; a curved partial-tubular shank with a convex curve, connected to or integral with the head at a distal end of the head, and extending from the head; a tapered tip portion extending from a distal end of the curved partial-tubular shank; one or more rails integral with or connected to an outside surface of the anchor, extending from a proximal end of head and along the curved partial-tubular shank to a proximal end of the tapered tip portion; and a feature formed from two flat surfaces on an outside of the anchor and a rail.

The present disclosure relates to an artificial lumbar disc and provides a lateral approach artificial disc that is inserted laterally rather than anteriorly of the spine, thereby preventing damage to blood vessels or other organs that may occur when an anterior access artificial disc is inserted from the front, shortening the surgical time, preventing dislodgment of the artificial disc, and improving the surgical prognosis. The artificial disc is inserted between two adjacent vertebrae and includes an upper plate contacting an upper vertebra, a lower plate contacting a lower vertebra, and an inserter inserted between the upper plate and the lower plate to allow the upper plate to rotate by a set angle with respect to the lower plate, and an upper wing portion and a lower wing portion are formed on the upper plate and the lower plate.

The present invention relates to a spinal fusion cage which is inserted between vertebral bodies in a state where the cage has the lowest height, is height-adjustable in the inserted state, and can simplify a height adjustment mechanism, thus making it possible to replace cages having heights in a certain range by a single cage. Therefore, manufacturers can reduce product groups that need to be produced, and can also reduce product stock. Further, in contrast to the conventional cages having predetermined heights at regular intervals, the height of the inventive cage can be linearly adjusted according to the distance between the vertebral bodies of a patient, and thus a surgery can be performed using the cage adjusted to an optimum height according to the patient's condition.

An insertion instrument for inserting an implant includes an elongated main body having a proximal handle and a distal portion that selectively couples to the implant. A plunger is slidably engaged in a central passage of the elongated main body configured to fix the implant to the elongated main body by selectively filling the central passage within the distal portion. A hex nut driver is concentrically located about the plunger and elongated main body to deploy an actuation plunger of the implant. The proximal handle portion of the main body includes a staggered path therethrough for accepting a tab of the plunger therein. Advancement and retraction of the plunger tab within the staggered path alternates the insertion instrument between an unlocked position configured to mount the implant on the distal portion of the elongated main body, a locked position configured to lock the implant on the distal portion, and a deployed position configured to secure the implant.

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.

Examples of the invention relate to methods, implants, including bone plates, and instruments for compressing first and second bone portions or a bone portion and an implant together.

The present disclosure provides systems including a cannulated surgical drill tool with electrical conductivity sensing capabilities, and surgical techniques for using such tools in minimally invasive surgical procedures for accessing the SI joint via a posterior approach using an electrical conductivity feedback to facilitate accurate placement into or across the SI joint. For example, the cannulated surgical drill tool may include one or more pairs of electrodes at its distal penetration tip configured to measure electrical conductivity of tissue in contact with the distal tip during a drilling procedure and may emit an alert indicative of the measured electrical conductivity, and accordingly, the type of tissue in contact with the distal tip of the cannulated surgical drill tool, in real-time.

A method of providing a guidance device for guiding a bone removal instrument for the removal of bone from a cervical vertebra and providing a vertebral body replacement device for placement into a void in a cervical spine between two endplates of a single vertebra during the course of an anterior spinal surgical procedure upon the cervical spine wherein the vertebral body replacement device has been given a PLR product code from the Food and Drug Administration (FDA).

Systems and methods for verifying the quality of patient specific implants are disclosed. A system can generate implant data, such as design files or fabrication instructions, for manufacturing the implant. The system can manage access to the implant data based on authentication levels. Based on the determined authentication level of the user requesting access to the implant data, the system can permit the user to access some or all of the implant data. The system can perform a quality check on a manufactured implant by scanning the manufactured implant to identify any errors in the manufactured implant.

The invention provides an angle-adjustable interbody fusion cage and an operation assembly thereof. The angle-adjustable interbody fusion cage comprises an upper supporting plate, a lower supporting plate, a shell and an adjusting mechanism. The upper supporting plate and the lower supporting plate are located on the upper surface and the lower surface of the shell respectively. The head ends of the upper supporting plate and the lower supporting plate are connected with the head end of the shell through a first movable part, and the tail ends of the upper supporting plate and the lower supporting plate are connected with the tail end of the shell through a second movable part. The first movable part is driven by the adjusting mechanism to drive the head end of the upper supporting plate and the head end of the lower supporting plate to be opened and / or closed through displacement. The second movable part is driven by the adjusting mechanism to drive the tail end of the upper supporting plate and the tail end of the lower supporting plate to be opened and / or closed through displacement. The interbody fusion cage is exquisite in structure and adjustable in angle, independent control over opening and closing of the upper supporting plate and the lower supporting plate can be achieved, different interbody anatomical structures of a patient are met, and convenience is provided for medical staff in the real-time operation process.

A unique, universal Zero-Profile Expandable Intervertebral Spacer (ZP-EIS) device for fusion and distraction throughout the entire spine is provided which can be inserted via anterior, anterolateral, lateral, far lateral or posterior surgical approaches dependent on the need and preference. Multiple ZP-EIS embodiments each with unique mechanisms of calibrated expansion are provided. Two of these embodiments incorporate bi-directional fixating transvertebral (BDFT) screws and five other embodiments do not incorporate BDFT screws. A tool for implantation into the intervertebral device and calibrated device expansion is also disclosed.

Expandable wedge implants and related methods. The expandable implant may include a bottom endplate, a top endplate pivotably connected to the bottom endplate, an actuator with curved ramps configured to mate with angled ramps on the top endplate, and a drive screw configured to move the actuator to thereby expand the top endplate relative to the bottom endplate. The expandable implants may be configured to correct pes planus or a flatfoot deformity using Evans and / or Cotton procedures during foot surgery.

A sacroiliac joint implant includes an implant structure formed from an elongated base member, a forward end structure, an elongated first side member, and an elongated second side member, with an internal support structure extending in an implant plane. A fusion passage is defined in an area between the base member, first side member, and second side member. The fusion passage defines a respective open area through the implant to facilitate bone growth across the sacroiliac joint when the implant is properly implanted in the joint.

A system and method for spinal fusion that can include: a spinal cage body that includes at least one defined graft window cavity; a plurality of electrodes exposed on the surface of the spinal cage body; control circuitry configured to drive the plurality of electrodes in a stimulation mode; wherein there is at least a targeted osteoinduction region and a targeted non-osteoinduction region that are immediately adjacent to the spinal cage body; and wherein the control circuitry includes configuration to excite the plurality of electrodes during the stimulation mode for generation of a current density in the targeted osteoinduction region and targeted non-osteoinduction region according to targeted levels of bone growth.

The invention provides an intervertebral prosthesis and an intervertebral prosthesis assembly. The intervertebral prosthesis comprises an upper end plate and a lower end plate, the first end of the upper end plate is hinged to the first end of the lower end plate, and the upper end plate and the lower end plate can swing relatively; the floating supporting piece is arranged between the upper end plate and the lower end plate, the floating supporting piece comprises a first supporting plate, a second supporting plate and an elastic piece, the first end of the first supporting plate is hinged to the first end of the second supporting plate, and the first supporting plate and the second supporting plate can swing relatively; the first end of the first supporting plate and the first end of the second supporting plate are located between the first end of the upper end plate and the first end of the lower end plate, and the elastic piece is arranged between the first supporting plate and the second supporting plate and exerts elastic force so that the first supporting plate can abut against the upper end plate, and the second supporting plate can abut against the lower end plate. According to the technical scheme, the problem that the stability after implantation is poor due to the fact that the angle between the upper end plate and the lower end plate of the intervertebral prosthesis is fixed in the prior art is effectively solved.

A method for implanting an intrafacet implant includes making an incision, advancing an instrument assembly through the incision and to a facet joint. The instrument assembly includes a guide having a lumen extending therethrough. The method includes anchoring the guide at the facet joint, advancing an intrafacet implant to the facet joint through the guide using an inserter, and countersinking the intrafacet implant within the facet joint using the inserter.

A drill-less method of stabilizing a sacroiliac joint using a multimodal abrading device to create a rich environment for bony fusion. The unique decortication instrument includes an integral slap hammer assembly joined with a rasp-box osteotome tooling head to simultaneously remove cartilage from the joint while preparing the sacrum and ilium down to bleeding bone. Subsequent to joint preparation, an implant with a large bone graft window may be implanted into the prepared SI joint through a specially designed access cannula.

Disclosed are devices, systems and methods for restoring spinal alignment and / or maximizing range of motion for patients who suffer from spinal degenerative disorders.

An orthopedic implant system can be used to fixate two bones (e.g., to portions of a single bone) relative to each other during a surgical procedure. In some configurations, the implant system includes a staple having at least two legs separated by a bridge. The staple can include at least two couplings on either side of the bridge accessible through a top surface of the staple connectable to two corresponding coupling shafts. The coupling shafts can attach through the top surface of the staple without extending below an underside of the staple. The coupling shafts can be used to bias the at least two legs of the staple away from each other for insertion into holes formed into two bones. By attaching the coupling shafts through the top of the staple, the staple can be inserted flush with the two bones before releasing the shafts.

A method for providing a bending mold for an off-the-shelf implant, the method comprising obtaining information about a bony anatomy of a patient from one or more medical images; developing a virtual three-dimensional model of the bony anatomy based on the information about the bony anatomy, selecting an off-the-shelf implant, simulating a bending of the off-the-shelf implant using a three-dimensional model of the selected off-the-shelf implant and the virtual three-dimensional model of the bony anatomy to obtain a virtually bent implant having a first, bone-facing, surface and a second surface opposite the first surface, using the virtually bent implant, designing a bending mold mating with the first or the second surface, and based on the design of the bending mold, manufacturing the bending mold using additive manufacturing.