Bone joint endoprosthesis

Details Bone joint endoprosthesis Bone joint endoprosthesis

1978-04-28

1979-10-16

Frinks, Ronald L.

Surgery

Truss

Pad

3 1913, 128 92C, 128 92CA, A61F 124

Patent

active

041707940

ABSTRACT:
A bone joint endoprosthesis comprises a spherical body of the joint with hole in it for receiving a shaft spigot; a shaft is embedded in bone; the shaft has a spigot which is received in the hole; a spreader, comprised of a material that swells when it is wetted, is wrapped over the spigot in the hole or is inside the spigot and the spreader expands radially in the hole or inside the spigot to secure the joint; shaping and profiling of the spigot and the wall of the hole for effective retention of the spreader are disclosed.

REFERENCES:
patent: 3102536 (1963-09-01), Rose et al.
patent: 3973278 (1976-08-01), Shersher
patent: 4012795 (1977-03-01), Doore et al.

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