Trapezial implant

Details Trapezial implant Trapezial implant

1992-12-16

1994-07-05

Prebilic, Paul

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

Implantable prosthesis

Bone

623 18, 623 20, 606 69, A61F 242

Patent

active

053263642

ABSTRACT:
A trapezial implant is provided for attachment to the trapezium of a hand. The implant includes a base member fabricated from an inelastic material such a medical grade metal or ceramic. The base member includes a generally planar proximal attachment surface from which extend two pentihedral-shaped spikes. The base member also includes a distal articular surface having a non-symmetrical, complex curvature. The implant is retained in place on the trapezium under compression of the first metacarpal.

REFERENCES:
patent: 4085466 (1978-04-01), Goodfellow et al.
patent: 4164793 (1979-08-01), Swanson
patent: 4242759 (1981-01-01), White
patent: 4301552 (1981-11-01), London
patent: 4778473 (1988-10-01), Matthews et al.
patent: 4936854 (1990-06-01), Swanson
patent: 4936860 (1990-06-01), Swanson
patent: 4955915 (1990-09-01), Swanson
patent: 4969908 (1990-11-01), Swanson

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