Finger joint prosthesis

Details Finger joint prosthesis Finger joint prosthesis

1990-09-24

1992-03-03

Frinks, Ronald

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

Implantable prosthesis

Bone

623 16, 623 18, A61F 242, A61F 228, A61F 230

Patent

active

050928961

ABSTRACT:
A finger joint prosthesis is provided with consists of two pegs of sintered hydroxylapatite for anchoring in adjacent finger bones and which is provided with an intermediate slide layer of polyurethane between the pegs to permit relative movement therebetween. The pegs together with the intermediate layer which may be anchored on one of the pegs form concave and convex bearing areas mating with each other to allow a guided motion in the bend-stretch plane.

REFERENCES:
patent: 3879767 (1975-04-01), Stubstad
patent: 4097935 (1978-07-01), Jarcho
patent: 4231121 (1980-11-01), Lewis
patent: 4685919 (1987-08-01), Niwa et al.

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