Combined bipolar and unipolar trials
US7179297B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 17, 2002 |
| Grant date | Feb 20, 2007 |
| Priority date | — |
| Expiry date | Sep 17, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2310/00047
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention is directed to a set of trial prosthesis instrumentation for use in trial fitting of a medical implant such as a femoral hip prosthesis. The two piece set provides a combined bipolar and unipolar trial prosthesis instrumentation and comprises an outer component and a inner component. The outer component comprises an exterior surface characterized by a substantially hemispherical shape to correspondingly mate with a joint socket and an interior surface characterized by a substantially hemispherical shape, and an inner component that comprises an exterior surface that comprises a surface and that is shaped to correspondingly mate with the interior surface of the outer component and an interior surface characterized by a substantially columnar shape that correspondingly mates with a prosthetic stem. Methods of use are also contemplated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.