Methods for treating an annulus fibrosis having a defect include inserting a flexible device into the defect. The flexible device is advanced distally beyond an outer layer of the annulus fibrosus. The flexible device is then expanded such that a width of the flexible device is larger than the defect, where the flexible device prevents escape of nucleus pulposus through the defect. The flexible device may have at least two appendages made from a shape-memory metal. Alternatively, the flexible device may have a U-shaped structure that includes a central portion and two legs. The flexible device may also be anchored to the annulus fibrosis and/or the vertebrae.

An orthopedic prosthetic hip assembly and method for use during performance of a hip replacement procedure. The assembly includes a femoral stem component having a tapered trunnion and a femoral head component having a tapered bore. Upon insertion of the tapered trunnion into the tapered bore, a taper lock is formed and a seal provides a fluid-tight closure.

A prosthesis system may include a femoral component, a tibial bearing component configured to articulate with the femoral component, a baseplate, a plurality of bushings, one or more hinge posts and a capture element. The capture element can be configured to couple with the baseplate and can have a thru hole configured to allow at least a portion of the one or more hinge posts to pass therethrough. When coupled to the baseplate, the capture element is configured to be engaged by at least one of the plurality of bushings or one of the one or more hinge posts to limit distraction of the femoral component from the tibial bearing component and baseplate.

The present disclosure relates to a spinal fusion impactor tool that includes an attachment means for securing an implant device to the distal end of the tool, a means for adjusting the angle of the distal head relative to the handle to better position the implant for introduction into the implant site, means for remotely releasing the implant device at the distal end and a clamp device on the shaft of the tool to secure tabs, attachments and other devices. The impactor tool is preferably used in conjunction with implantation of an intervertebral fusion cage that is equipped with shims having tabs or other removing means, but may also be used to introduce, for example, an implant, graft, fusion device, wedge or distractor device into any joint space or bony region in preparation for implantation.

Systems, devices, and methods for providing orthopedic augments having recessed pockets that receive a fixation material. The orthopedic augments include an outer surface that interfaces with a patient's tissue or bone, and an inner surface that interfaces with an implant, the inner surface defining a recessed pocket configured to receive a fixation material, a rim around at least a portion of the recessed pocket, and a port in the rim, wherein the recessed pocket extends along the inner surface in at least a direction laterally from the port.

A load dissipating arthroplasty prosthesis comprising a shell, an articular device extending into the shell through a collar defined in the sell, a head and neck portion of the articular device extending from the collar, a shaft portion of the articular device extending into the shell, and a plurality of shock absorbing arcuate linkers spacing and allowing limited movement between the shell and the articular device.

The present disclosure includes, in one embodiment, a talar component of an ankle joint prosthesis for engagement with a talus bone having a medial side wall and a lateral side wall, opposite the medial side wall, each side wall terminating at a distal edge, and the distal edges adapted to drive into the talus bone. When implanted, the side walls may form a seal between the talus bone and the component to prevent fluid from flowing under the component.

An implantable medical device for implantation in a hip joint of a human patient is provided. The medical device comprises: at least one artificial hip joint surface adapted to replace at least the surface of at least one of the caput femur and acetabulum. At least one artificial hip joint surface comprises: a positioning hole with at least one opening in said at least one artificial hip joint surface. The hole is adapted to be placed and dimensioned such that the medical device is adapted to be fitted using a positioning shaft and at least partly surround the shaft, for positioning the at least one artificial hip joint surface in a desired position in the hip joint. The hole is adapted to be fitted using the positioning shaft, when the shaft is stabilized and placed in at least one of the femoral bone and the pelvic bone for positioning said medical device inside the hip joint.

An expandable, intervertebral spacer includes a top component and a base component in engagement with the top component, the base component defining at least one channel for receiving a hardening material, and placement of the hardening material within the channel causes the top component to move between a first position in which the top component is a first distance from the base component and a second position in which the top component is a second distance from the base component, the second distance being greater than the first distance. The hardening material can be removed from the channel by a flexible coring tool, and the top component forced toward the base component to collapse the spacer.

An implant to fill a hole in tissue, such as bone tissue, comprising a first portion that is insertable through the hole when in a first compressed position, wherein the first portion cannot pass through the hole when in a first deployed position; and a second portion that cannot pass through the hole when in the second deployed position. The first and second portions of the implant can be deployed independently. Therefore, in operation, it is possible to insert the first portion of the implant through the hole when in the first compressed position, deploying the first portion to transition it to the first deployed position while the second portion remains in the second compressed position, and then deploying the second portion to transition it to the second deployed position. The devices and methods may be used, for example, in transsphenoidal or other orthopedic surgeries involving bone tissue.