Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis – Bone
Patent
1991-10-30
1993-03-09
Frinks, Ronald
Prosthesis (i.e., artificial body members), parts thereof, or ai
Implantable prosthesis
Bone
623 16, 623 18, A61F 236
Patent
active
051923319
ABSTRACT:
The shank for a femur head prosthesis is provided with a cavity in the approximate region which is filled with a plastic or elastic filler. A covering is provided over the filler to avoid contact between the filler and the bone or the bone cement surrounding the shank. The covering reduces the area of contact between the bone the filler to a minimum and limits the "flow" of the filler under compressive loadings on the head of the prosthesis.
REFERENCES:
patent: 4187559 (1980-02-01), Grell et al.
Frey Otto
Spotorno Lorenzo
Frinks Ronald
Sulzer Brothers Limited
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