The invention relates to a glenoid (shoulder socket) implant prosthesis, a humeral implant prosthesis, devices for implanting glenoid and humeral implant prostheses, and less invasive methods of their use for the treatment of an injured or damaged shoulder.

An expandable interbody device for implantation within an intervertebral space is provided, together with methods and tools for use therewith. The interbody devices of the present invention include upper and lower bearing members configured to expand via an expansion mechanism configured to allow the insertion of osteoconductive materials and other structures into the interior of the interbody device before and after implantation, and before and after expansion of the interbody device. The insertion tool is configured expand the interbody device and to allow insertion of materials into the interbody device through a protected pathway.

Implants for vertebral body or functional spinal unit replacement comprise a bioactive surface roughening on one or more of the anterior, posterior, and lateral surfaces of the implant. The bioactive surface includes macro-, micro-, and nano-scale structural features that contact vertebral bone that lines a specialized channel in a vertebrae, and thereby facilitate bone growth and osteointegration of the implant with the vertebral bone.

The bionic dislocation-proof artificial lumbar vertebrae and disc complex comprises vertebral body components, intervertebral disc components and screws; the vertebral body components comprise an oval column; the intervertebral disc components comprise L-shaped arc plates and composite pads, the L-shaped arc plates comprise bottom plates, lateral plate and the raised column; end of the raised column is the ball shell with two raised arc; the composite pad is connected to the groove on the oval column; the ball shell and the composite ball form the ball and socket joint. The present invention replaces the removed vertebrae and adjacent discs and maintains the rotation, flexion and extension and buffer function, which ensures the stability and mobility of the lumbar spine after surgery. The present invention better resembles the normal physiology.

A mobile cage system for restoring motion kinematics of the spine featuring a pair of opposing caps that form a cavity and a nucleus disposed in the cavity. The system allows for motion of the caps relative to the nucleus. The mobile cage system provides sufficient support so as to eliminate the need for incorporation of a metal plate or rod and pedicle screws that may be used for spinal fusions. The mobile cage system of the present invention also prevents vertical collapse of the vertebrae and complete bone fusion, and the mobile cage system helps preserve intervertebral motion of the spine.

An implant for repairing an articular cartilage defect site including an implant fixation portion with an upper segment and at least one bone interfacing segment and a top articulating portion with an articulating surface and an engagement surface. The upper segment includes a supporting plate with a first locking mechanism segment. The engagement surface includes a second locking mechanism segment. The first locking mechanism segment with at least two channels is structured to couple to the second locking mechanism segment with at least two protrusions. The at least one bone interfacing segment structured for insertion into the articular cartilage defect site. An implant including an implant fixation portion, a top articulating portion, and a locking mechanism with a first locking segment coupled to the upper segment and a second locking segment coupled to the at least one engagement surface and structured to couple to the first locking segment.

An orthopaedic prosthesis system includes a femoral component configured to be attached to a distal end of a patient's femur. A tibial tray is configured to be attached to a proximal end of a patient's tibia. A tibial insert is configured to be positioned between the femoral component and the tibial tray. An elongated pin rotatably couples the tibial insert to the femoral component.

Implants for vertebral body or functional spinal unit replacement comprise a bioactive surface roughening on one or more of the anterior, posterior, and lateral surfaces of the implant. The bioactive surface includes macro-, micro-, and nano-scale structural features that contact vertebral bone that lines a specialized channel in a vertebrae, and thereby facilitate bone growth and osteointegration of the implant with the vertebral bone.

The invention relates to an assembled vertebral body used in a cervical reconstruction operation, comprising: an upper connecting element, an artificial vertebral body element and a lower connecting element, wherein the upper connecting element is disposed at an upper part of the artificial vertebral body element, the lower connecting element is disposed at an lower part of the artificial vertebral body element, and wherein the artificial vertebral body element is assembled with the upper connecting element and the lower connecting element, respectively. The invention has the advantages that the artificial vertebral body element is customized in accordance with the characteristics of patients and printed in 3D, and the length of the artificial vertebral body element can be precisely adjusted to adapt to the patient. Since the lower connecting element is standard part, the upper connecting element is standard part or non-standard part, and the artificial vertebral body element is non-standard part, in comparison to the traditional 3D printing which needs to be printed integrally, the adjustable assembled artificial vertebral body can reduce 3D printing materials and reduce the cost of 3D printing, thus reducing medical costs for the patient. The shape of the nested parts of the elements is a non-circular shape, which can resist rotation, so that no relative movement occurs among the three elements of the artificial vertebral body.

An implant may include a body having a first portion and a second portion and a structural member having a central member curve. In addition, the structural member may be exposed on an outer surface of the implant. Further, the central member curve may include a winding segment, and the winding segment of the central member curve may wind around a fixed path extending from the first portion of the body to the second portion of the body. Also, the central member curve may make one or more full turns around the fixed path. And, the structural member may have a member diameter at the winding segment, wherein the winding segment has a winding diameter corresponding with the full turn around the fixed path and the member diameter is greater than the winding diameter.