Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis – Bone
Patent
1987-01-27
1987-12-22
Apley, Richard J.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Implantable prosthesis
Bone
A61F 242
Patent
active
047144769
ABSTRACT:
A wrist joint prosthesis comprises a metal radial component and a metal metacarpal component connected by a metal axle and providing triaxial motions that are comparable to those of the anatomical wrist joint and restraint of excessive motions. Energy is absorbed and shock loads are minimized by the interposition of a bearing member between the radial and metacarpal components and a bearing sleeve of polymeric material over the axle.
REFERENCES:
patent: 4229840 (1980-10-01), Gristina
patent: 4229841 (1980-10-01), Youm et al.
patent: 4301553 (1981-11-01), Noiles
patent: 4307473 (1981-12-01), Weber
patent: 4352212 (1982-10-01), Greene
Burstein Albert H.
Inglis Allan E.
Ranawat Chitranjan S.
Straub Lee R.
Apley Richard J.
New York Society for the Relief of the Ruptured and Crippled
Prizant James
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