Joint socket member for a joint prosthesis

Details Joint socket member for a joint prosthesis Joint socket member for a joint prosthesis

1989-02-09

1991-06-04

Isabella, David J.

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

Implantable prosthesis

Bone

623 18, 623 22, A61F 234

Patent

active

050210637

ABSTRACT:
A joint socket member for a joint prosthesis, in particular a hip joint socket member of a hip joint endoprosthesis in which, in accordance with the invention, the cup element is formed from preferably two cup portions, disposed at least in two cup planes arranged radially at a spacing with a free intermediate space relative to each other, wherein openings are provided at least in the cup portion which is towards the bone, the number, distribution, shape and size of the openings, during the operation, permitting the introduction and secure holding of spongiosa or loose bone substance into the intermediate space and thereafter ensuring growth thereinto of new strong bone substance.

REFERENCES:
patent: 3584318 (1966-01-01), Scales et al.
patent: 4065817 (1978-01-01), Branemark et al.
patent: 4495393 (1986-06-01), Annapliotis et al.
patent: 4718914 (1988-01-01), Frey et al.
patent: 4865604 (1989-09-01), Rogozinski

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