Oblong acetabular cup
US5192329A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 7, 1991 |
| Grant date | Mar 9, 1993 |
| Priority date | — |
| Expiry date | Mar 7, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2310/00407
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An oblong acetabular cup which includes a cavity for receiving a bearing element is provided. The plane of the opening into the cavity is skewed relative to the prosthesis' longitudinal plane so as to achieve adduction correction, anteversion correction, or both adduction and anteversion correction. In certain preferred embodiments, the prosthesis is constructed from two components which can be oriented with respect to one another to achieve different directions and amounts of anteversion correction. In some embodiments, the two components form a cusp in the outside surface of the prosthesis. Surgical instruments and surgical methods for implanting the prostheses are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.