Joint endoprosthesis

Details Joint endoprosthesis Joint endoprosthesis

1983-10-06

1985-07-16

Apley, Richard J.

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

Implantable prosthesis

Bone

623 18, 128 92C, 128 92CA, A61F 104, A61F 504

Patent

active

045287023

ABSTRACT:
The conical pin end of the male endoprosthesis part is provided with a deformable surface while the conically recessed articular ball is provided with inwardly directed lugs for penetrating into the deformable surface during mounting on the pin end. The lugs have a maximum height of 0.5 millimeters and a maximum width of three millimeters. The deformable pin surface may be formed by a screw thread, a plurality of circumferential grooves of wavy configuration or a plurality of circumferential ribs.

REFERENCES:
patent: 3074292 (1963-01-01), Polmon
patent: 3685058 (1972-08-01), Tronzo
patent: 3916451 (1975-11-01), Beuechel et al.
patent: 4012795 (1977-03-01), Doore et al.

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