Artificial joint having porous portion

Details Artificial joint having porous portion Artificial joint having porous portion

1994-05-26

1996-05-07

Willse, David H.

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

Implantable prosthesis

Bone

623 22, A61F 236, A61F 234

Patent

active

055141846

ABSTRACT:
A total hip replacement type artificial joint comprising a stem and a socket, the stem being provided with a head at the upper end thereof and comprising a porous portion as an upper portion, a protector located under and along the porous portion and at the same height as the porous surface of the porous portion, an intermediate portion which underlies the porous portion and which is trapezoidal in section, and a lower portion which underlies the intermediate portion and which is circular in section, and the socket comprising an outer cup and a protector, the protector being provided along the outer peripheral edge of the outer cup and at the same height as a porous surface formed on the outer surface of the outer cup.

REFERENCES:
patent: 4179485 (1979-12-01), Tritten
patent: 4813959 (1989-03-01), Cremascoli
patent: 5002580 (1991-03-01), Noble et al.
patent: 5108432 (1992-04-01), Gustavson

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