A joint spacer is provided for treatment of a joint of a human subject, the joint spacer including a pouch having a wall including a dermal graft material. The joint spacer is configured to be inserted into a space of the joint, and is shaped, when the pouch is inserted into the space and filled, to provide mechanical support to the joint. Other embodiments are also described.

A joint spacer is provided for treatment of a joint of a human subject, the joint spacer including a pouch having a wall including a dermal graft material. The joint spacer is configured to be inserted into a space of the joint, and is shaped, when the pouch is inserted into the space and filled, to provide mechanical support to the joint. Other embodiments are also described.

A joint spacer is provided for treatment of a joint of a human subject, the joint spacer including a pouch having a wall including a dermal graft material. The joint spacer is configured to be inserted into a space of the joint, and is shaped, when the pouch is inserted into the space and filled, to provide mechanical support to the joint. Other embodiments are also described.

A surface-reconfiguration implant, a method of using the surface-reconfiguration implant, and a method of implantation of the surface-reconfiguration implant that creates an articular surface between an upper portion of a humeral head and a greater tuberosity, and an undersurface of an acromion in shoulders with massive rotator cuff tears is provided. The surface-reconfiguration implant can include a body portion including at least an undersurface and an articular surface, where the undersurface is configured to interface with portions of a proximal humerus to facilitate attachment of the body portion thereto, and portions of the articular surface extend to and/and preferably beyond a normal anatomical shape of portions a humeral head and a greater tuberosity both superiorly and medially when the body portion is attached to the proximal humerus.

A prosthesis including a subacromial spacer having a surface contoured to maintain an acromion in chosen distance to a humeral head upon rotation and fixation means to fixate the subacromial spacer to a humeral medullary cavity and/or an intramedullary fixator implanted or configured for implantation in the humeral medullary cavity. A surgical kit includes the prosthesis and a proximal humeral nail. The fixating means are connectable into a proximal opening of the proximal humeral nail. A method may include: creating a percutaneous passage from an outer-body space to a portion of a humeral head; removing bony tissue to facilitate direct communication between the outer-body space and a humeral medullary cavity enclosed in the humeral head; providing a prosthesis including a subacromial spacer having a surface; and/or fixating the subacromial spacer to the humeral medullary cavity and/or an intramedullary fixator implanted or configured for implantation in the humeral medullary cavity.

The present disclosure provides a shoulder prosthesis. The shoulder prosthesis includes a glenoid component, a humeral component, and an articulation component. The glenoid component includes a glenoid body having a proximal side and a distal side, the proximal side shaped to engage with a resected portion of a glenoid cavity. The humeral component includes a humeral body having a proximal side and a distal side, the distal side shaped to engage with a resected portion of a humerus. The articulation component is positionable between the distal side of the glenoid component and the proximal side of the humeral component, the articulation component configured to be maintained between the glenoid and humeral components, after implantation, by at least one of a deltoid muscle and a rotator cuff.

The present disclosure provides a shoulder prosthesis. The shoulder prosthesis includes a glenoid component, a humeral component, and an articulation component. The glenoid component includes a glenoid body having a proximal side and a distal side, the proximal side shaped to engage with a resected portion of a glenoid cavity. The humeral component includes a humeral body having a proximal side and a distal side, the distal side shaped to engage with a resected portion of a humerus. The articulation component is positionable between the distal side of the glenoid component and the proximal side of the humeral component, the articulation component configured to be maintained between the glenoid and humeral components, after implantation, by at least one of a deltoid muscle and a rotator cuff.

A graft is prepared for attachment to an acromion. Two sutures are attached to corners of the graft. The two sutures are loaded into an introducer instrument, and the introducer instrument spreads the graft open. The graft is then positioned under the acromion. Strands of like sutures are tied on a medial side of the acromion to attach the graft to the acromion. The sutures are trimmed after knotting, securing the graft to the acromion.

A shoulder implant for reestablishing a coracoacromial arch in a subject, the shoulder implant comprising: a dorsal surface substantially shaped as a coracoacromial arch of a shoulder, the dorsal surface for engaging at least a posterior portion of the acromium of the subject when implanted in the subject; and an inferior surface substantially shaped as an acromiohumeral arch of a shoulder, the dorsal surface being opposite the inferior surface. The implant may have a spacer having a convex shape to simulate the anatomic contour of a acromiohumeral arch and the spacer coupled to a baseplate. In certain embodiments, the baseplate and the spacer have a convex surface that may extend the length of the inferior surface of the acromium and anteriorly to the coracoid process.

The invention provides a method of making a biological disc graft. In one embodiment, the biological disc graft is useful for treating back or neck pain. In one embodiment, the biological disc graft is useful for treating any joint pain. The invention also provides a method of implanting said biological disc graft in a way that is minimally invasive and less dangerous.