10095results about "Joint implants" patented technology

A computer-implemented method for designing a patient-specific orthopedic implant can include creating a user account associated with a patient. A patient-specific orthopedic implant can be designed based on patient data and imaging data. A healthcare provider can provide feedback for a design of the patient-specific orthopedic implant, treatment protocol, or other aspects of treatment. The patient can provide data and feedback.

A personalized fixation system includes a surgical planning software tool configured to adjust relationships of relevant anatomy of a subject, at least one bone anchor, a plate having a shape that does not conform to a single plane, the plate configured to accept the at least one bone anchor, wherein the shape of the plate is at least partially determined by the surgical planning software tool, and wherein the plate includes at least one node having a hole configured to receive the at least one bone anchor, and a locking element configured to connect the at least one bone anchor to the plate, wherein the plate is manufactured using additive manufacturing.

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 adjustable system for ankle arthroplasty may comprise a baseplate with a baseplate bone facing side configured to be secured to a talus and a baseplate joint facing side. The system may further have an articulating component with an articulating component joint facing side with a prosthetic talar articular surface and an articulating component bone facing side configured to adjustably engage the baseplate joint facing surface. The baseplate and the articulating component may cooperate to define a locking mechanism configured to be actuated to secure the articulating component bone facing side to the baseplate joint facing side.

Implants for the fusion or fixation of two bone segments are described. For example, the implants can be used for the fusion or fixation of the sacroiliac joint. The implants can have a matrix structure, have a rectilinear cross-sectional area, and have a curvature.

Disclosed herein is an orthopedic implant device comprising a porous structure, approximating the shape of a bone, and having modulus of elasticity similar to that of said bone. In one embodiment, further disclosed herein is a method of treating injuries or diseases affecting bones or muscles comprising providing an orthopedic implant device, wherein the orthopedic implant device comprising a porous structure, approximating the shape of a bone, and having a modulus of elasticity similar to that of bone, and using the orthopedic implant device to treat injuries and diseases affecting bones and muscles in a mammal. In another embodiment, disclosed herein is a method of manufacturing an orthopedic implant device using an additive manufacturing (AM) method.

Expandable fusion devices, systems, instruments, and methods thereof. The expandable fusion implant may include an upper endplate and a lower endplate configured to engage adjacent vertebrae, an actuation gear configured to adjust a height of the upper endplate, an interface collar configured to attach to an inserter instrument at multiple orientations for a desired surgical approach, and an expansion and orientation lock configured to lock the orientation of the interface collar and lock the height of the upper endplate. The expandable fusion device is attachable to the inserter instrument to secure the interface collar and disengage the lock from the actuation gear to permit expansion of the upper endplate.

The invention provides a shoulder joint replacement surgery navigation system and method, and relates to the technical field of computers, and the system comprises a controller and a navigation positioning device; the controller is in communication connection with the navigation positioning device; the controller comprises a preoperative planning module, a preoperative simulation module and an intra-operative execution module. According to the navigation system and method for the shoulder joint replacement surgery, by combining the preoperative medical image of the affected bone and the medical image of the healthy bone corresponding to the affected bone, the healthy form of the affected bone can be reflected more accurately under the condition that the affected bone has bone defect and / or abnormal form, and then prosthesis planning can be conducted based on the three-dimensional bone model of the affected bone, so that the patient experience is improved. The preoperative surgical planning is more objective and quantified, the movement range of the shoulder joint on the operative side of the patient after the prosthesis to be implanted is implanted into the affected bone can be simulated based on the parameter information of the prosthesis to be implanted, the accuracy and rationality of the prosthesis planning are further improved, and the accuracy and reliability of the orthopedic surgery are remarkably improved.

Knee replacement prosthesis are provided, comprising a plurality of sensors and at least one of a femoral component, a patellar prosthesis and a tibial component.

The invention provides an orthopedic surgery navigation method, device and system, electronic equipment and a storage medium, and relates to the technical field of computers.The method comprises the steps that a three-dimensional bone model of a diseased bone is generated based on a first image and a second image, and surgery parameters corresponding to the diseased bone are obtained based on the three-dimensional bone model and all bony mark points on the three-dimensional bone model, on the basis of the corresponding relation between all the bony mark points on the three-dimensional bone model and all the bony mark points on the affected bone, the affected bone and the three-dimensional bone model are registered, the mapping relation between the affected bone and the three-dimensional bone model and / or the first image is established, and surgical navigation is conducted on the basis of the surgical parameters corresponding to the affected bone and the mapping relation. According to the orthopedic surgery navigation method, device and system, the electronic equipment and the storage medium provided by the invention, more objective and quantitative preoperative surgery planning can be realized under the condition that the diseased bone of the patient has bone defect and / or abnormal shape, and more accurate diseased bone space positioning can be realized in the orthopedic surgery.

The present disclosure includes examples of an implant system configured for targeted joint resurfacing in which only an area including the osteochondral defect is resected, wherein the area resected occupies an area smaller than an entire joint surface. The implant system can include a monolithic first implant with 3D printed metal and a second implant including a plastic portion overmolded onto a metal portion. The metal portion of the second implant also includes 3D printed metal. The first and / or second implants include solid metal portion(s) and porous metal portion(s). In an example, the first implant can be a femoral implant and the second implant can be a tibial implant. The first and second implants can be used on their own or in tandem.

An orthopaedic system includes a tibial insert and a femoral component configured to articulate on the tibial insert. The tibial insert includes an articular surface, and the femoral component includes a femoral articular surface having decreasing radii of curvature posteriorly. The articular surface of the tibial insert includes an increased anterior lip to improve stability of the femoral component.

A parallel spacer for parallel spacing of a plurality of guiding elements during surgery is provided. The parallel spacer includes a parallel spacer body defining a first guide aperture extending through the parallel spacer body, the first guide aperture being sized to receive a first guiding element in a first orientation with respect to the parallel spacer body and hold the guiding element at the first orientation. The body further defines a second guide aperture extending through the parallel spacer body, sized to receive an access needle. The parallel spacer further includes a first external positioning protrusion, with the first guide aperture extending through the first external positioning protrusion, and a second external positioning protrusion, with the second guide aperture extending therethrough. The second guide aperture is open from a proximal end of the parallel spacer body to a distal end of the second external positioning protrusion.

The present invention relates generally to implants used in medical procedures such as bone fixation or fusion. More specifically, this application relates to fenestrated implants used in bone fixation or fusion.

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.

Systems and methods for intraoperative implant fit analysis and longevity prediction for a prosthetic implant to be integrated with the physiological tissue of a patient, the method comprising the steps of: collection of data via a plurality of sensors situated in proximity to the tissue and implant and a plurality of data sources; determining tissue and implant state and morphology based on the collected data; generating compatibility information between the tissue and implant based on the determined tissue and implant state and morphology; processing compatibility information into a form adapted for evaluation against a pre-determined comparator; generating a means of predicting postoperative implant performance and longevity utilising the historical dataset of comparison information and postoperative results; and generating and providing corrective information for alteration of the tissue state and morphology for improved postoperative implant performance and longevity.

A spinal fusion system includes an intervertebral implant. The intervertebral implant has a fusion body configured to contact endplates of adjacent vertebrae and an instrument coupler. The instrument coupler is detachably couplable to an inserter instrument. When the inserter instrument extends through the instrument coupler and contacts the fusion body, the intervertebral implant is rigidly coupled to the inserter instrument. When the inserter instrument is spaced apart from the fusion body, the fusion body is rotatable relative to the inserter instrument while the instrument coupler holds the inserter instrument.

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.

An expandable intervertebral implant may include a superior endplate configured to engage a superior vertebra, and an inferior endplate configured to engage an inferior vertebra, wherein the inferior endplate may be spaced apart from the superior endplate by a gap. The expandable intervertebral implant may further include a first slider moveable along a first direction to urge linear expansion of the gap, and one or more cams each coupled to the first slider. The one or more cams may be configured to urge angular expansion of the gap in response to at least one of: rotation of the one or more cams about a rotation axis, and motion of the one or more cams along the first direction.

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.

A bi-directional pneumatic impactor for imparting impact forces to an object. The impactor includes a support structure having at least one grip member and a piston reciprocally moveable along a piston axis. A pressure control system coupled with the support structure and adapted to be connected to a supply of pressurized air. The pressure control system reciprocatingly moves the piston along the piston axis to generate forceful impacts at one or both ends of the reciprocal movement. An impact transfer assembly disposed on the support structure is adapted to be coupled with the object whereby the impact transfer assembly transfers impact forces to the object in the driving and / or the retracting directions. A control spool may be used to control the supply of pressurized air to the piston cylinder. The impact transfer assembly may include a hammer pin extending axially through the piston.

A drill bit is provided that includes a connector, which includes a shank, configured to receive torque; a proximal electrically-conductive coupler, which is disposed at a distal end of the shank, rotationally fixed with respect to the shank; and a distal electrically-conductive coupler. The distal electrically-conductive coupler is rotationally fixed with respect to the proximal electrically-conductive coupler, electrically isolated from the proximal electrically-conductive coupler, and shaped so as to define a distal-electrically-conductive external contact surface. The drill bit further includes a drill shaft including an electrically-conductive outer electrode and an electrically-conductive inner electrode. Other embodiments are also described.

A system for computer assisted navigation during surgery includes computer platform that operates to identify a set of locations at which a navigated instrument is palpitating a landmark defined on a surface of a pelvic bone of a patient. Further operations determine a center of rotation for a pelvic acetabulum of the patient based on the identified set of locations at which the navigated instrument is palpitating the landmark. Operations determine an orientation of an anterior pelvic plane (APP) and / or a functional pelvic plane (FPP) of the patient based on the identified set of locations at which the navigated instrument is palpitating the landmark and based on the determined center of rotation for the pelvic acetabulum.

The invention relates to the technical field of medical instruments, and discloses an additive manufacturing bionic bone trabecula full-porous interbody fusion cage which is applied to spinal fusion surgery and is of a bionic bone trabecula full-porous structure made of medical metal through a laser melting or electron beam melting additive manufacturing technology. The interbody fusion cage comprises a front end face, a rear end face, a first side surface, a second side surface, an upper fusion face and a lower fusion face, the upper fusion face and the lower fusion face make direct contact with a vertebral body end plate of a spine, anti-skid teeth are arranged on the surfaces of the upper fusion face and the lower fusion face, and a bone grafting window penetrating through the upper fusion face and the lower fusion face is formed in the center of the interbody fusion cage. The interbody fusion cage has the structure and mechanical property similar to those of cancellous bone and trabecular bone of a human body, can improve the bone combination area and bone ingrowth space, has excellent initial and long-term stability, and can effectively reduce stress shielding so as to improve the bone fusion capability.

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 reverse shoulder system can include, for example, a glenoid baseplate comprising a longitudinal axis, the glenoid baseplate further including a stem and a central channel within a sidewall of the stem. The stem can include a longitudinal axis. The longitudinal axis of the glenoid baseplate can be angled with respect to the longitudinal axis of the stem, wherein the longitudinal axis of the glenoid baseplate is not perpendicular with respect to the longitudinal axis of the stem. Other components including a glenosphere, tools, and methods of use are also disclosed.

Disclosed is a method for preparing a heterogeneous metal composite structure for medical implantation, including the steps of: step 1, preparing titanium alloy powder into a porous skeleton according to different printing strategies; step 2, filling magnesium after being melted into pores of the porous skeleton; and step 3, cooling a titanium-magnesium interpenetrating phase composite structure prepared in step 2 to room temperature, and covering a surface of the titanium-magnesium interpenetrating phase composite structure with a hydroxyapatite coating. In the present disclosure, a porous lattice dot-array structure of titanium alloy is used as a skeleton, and the skeleton pore is filled by pressureless infiltration of magnesium or hot isostatic pressure.

Various embodiments of implant systems and related apparatus, and methods of operating the same are described herein. In various embodiments, an intermedullary implant for interfacing with a bone structure includes a web structure, including a space truss, configured to interface with human bone tissue. The space truss includes two or more planar truss units having a plurality of struts joined at nodes. Implants are optimized for the expected stress applied at the bone structure site.

A surgical navigation system for providing computer-aided surgery. The surgical navigation system includes a handheld surgical tool with computer-aided navigation, a graphical user interface module, and optionally an imaging device. The handheld surgical tool includes a handle that may comprise at least one sensor for detecting orientation of the. A computing device and at least one display device are associated with the handheld surgical tool and configured to display a target trajectory of the handheld surgical tool for the surgical procedure.