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US 4,743,262 AGranted
Acetabular cup prosthesis
OwnerRaymond G. Tronzoinventor
Life of this patent
Estimating the term…
Abstract
Fins on a hip prosthesis implant for anchoring the implant in good bone. The fins may be integral with, or separately attachable to, the implant. The fins extend radially outwardly beyond the perimeter of the implant from the front face longitudinally rearward.
Claims8
An acetabular cup prothesis comprising a body extending generally longitudinally and terminating into front and rear surfaces, said front surface extending substantially transversely to said body;
- and
- at least one fin for securing said cup to a prepared acetabulum cavity, said fin having a length extending generally longitudinally from said front surface toward said rear surface continuously along said body throughout the entire length of said fin, and said fin being configured so as to extend radially outwardly beyond the perimeter of said front surface and said body so as to engage with the cavity thereby securing said cup.
Dependencies are inferred from the claim text.