Semi-constrained 1 st carpometacarpal implant arthroplasty...

Details Semi-constrained 1 st carpometacarpal implant arthroplasty... Semi-constrained 1 st carpometacarpal implant arthroplasty...

2011-07-12

2011-07-12

Isabella, David (Department: 3774)

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Bone

Reexamination Certificate

active

07976580

ABSTRACT:
A first carpometacarpal joint implant. One embodiment of the invention includes proximal and distal components. The proximal component includes a fixation portion for attachment to one or more elements of a patient's distal carpal row, a ball-type joint portion cantilevered off the fixation portion, and a skid having a concave surface opposite the ball-type joint for engaging a patient's scaphoid bone. The distal component has a fixation portion for attachment to a patient's thumb metacarpal, and a socket-type joint portion that cooperates with the ball-type joint portion of the proximal component.

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International Search Report and Written Opinion issued in PCT/US2006/032122, mailed Jun. 12, 2007.

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