A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
3/103
A61F 5/01 (2006.01) A61F 2/42 (2006.01) A61F 2/00 (2006.01) A61F 2/30 (2006.01)
Patent
CA 1248301
WRIST IMPLANT ABSTRACT A wrist implant 50 for stabilizing the proximal carpal row and preventing ulnar migration thereof includes a body 52 having a generally planar, radial surface 56 which has a teardrop shape defined by curvilinear dorsal and palmar lateral edges 60, 62 and a semicircular medial edge 64. The body further defines generally triangular or wedge-shaped dorsal 72 and palmar 76 surfaces which join to form a curved medial surface 84. The body defines a smooth, cup-shaped, concave recess 90 including a lunate surface 92. The recess is configured to receive the carpal row lunate bone. The implant further includes a proximal stem 54 which extends perpendicular to the radial surface 56. The implant is adapted to be positioned at the distal end of the radius with the stem inserted into the intramedullary canal of the radius bone. The implant constrains the proximal row of the carpal bones, stabilizing the joint and preventing ulnar migration of the wrist bones.
503422
Dow Corning Wright Corporation
Gowling Lafleur Henderson Llp
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