System and method for upper extremity joint arthroplasty
First Claim
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1. An implant for an upper extremity joint arthroplasty, the implant comprising a first polymeric portion adapted to be retained within a bone of the upper extremity and a second polymeric portion having an articulating surface adapted to articulate against an opposing bone.
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Abstract
The invention can provide an implant for an upper extremity joint arthroplasty having a first polymeric portion adapted to be retained within a bone of the upper extremity and a second polymeric portion having an articulating surface adapted to articulate against an opposing bone. The invention can also provide methods of making and using such an implant.
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20 Claims
- 1. An implant for an upper extremity joint arthroplasty, the implant comprising a first polymeric portion adapted to be retained within a bone of the upper extremity and a second polymeric portion having an articulating surface adapted to articulate against an opposing bone.
- 15. An implant for an upper extremity joint arthroplasty, the implant comprising a first polymeric portion adapted to be retained within a bone of the upper extremity and a second polymeric portion having an articulating surface adapted to articulate against an opposing bone, wherein the first polymeric portion comprises a shaft portion and the second polymeric portion comprises a head portion, and further wherein the implant comprises one or more biomaterials selected from the group of polyurethane, polyethylene, poly(ether ether ketone), polyurethane functionalized polyethylene mixes, polyurethane siloxane mixtures, polystyrene, polyamides, silicones, acrylics and combinations thereof.
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20. A method of placing an implant in an upper extremity joint, the method comprising providing an implant comprising a first polymeric portion and a second polymeric portion having an articulating surface, inserting the first polymeric portion within a bone of the upper extremity, and placing the articulating surface against an opposing bone.
Specification