Joint endoprosthesis

Details Joint endoprosthesis Joint endoprosthesis

1987-12-17

1990-06-12

Isabella, David J.

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

Implantable prosthesis

Bone

623 18, A61F 244

Patent

active

049329693

ABSTRACT:
The joint endoprosthesis is formed of a compressible elastic hollow body which is disposed between two anchoring elements. The hollow body defines a closed cavity which is filled with an incompressible fluid medium. Compressive loadings near the edges of the endoprosthesis cause a displacement of the liquid into relieved regions of the prosthesis so as to avoid tensile forces from occurring in the anchoring of the prosthesis to the bones.

REFERENCES:
patent: 3867728 (1975-02-01), Stubstad et al.
patent: 3875595 (1975-04-01), Froning
patent: 4205401 (1980-06-01), Frisch
patent: 4707872 (1987-11-01), Hessel
patent: 4772287 (1988-09-01), Ray et al.

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