System and method for joint arthroplasty
US7947082B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 9, 2006 |
| Grant date | May 24, 2011 |
| Priority date | — |
| Expiry date | Jan 20, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2002/30878
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An orthopaedic joint prosthesis may include a first component, a bearing component, and a third component. The first component has a base and a keel protruding from the base to extend into a first bone. The keel's longitudinal axis is offset from a geometric center of the base. The base has a first articular surface and the bearing component has a second articular surface shaped to articulate with the first articular surface. A feature unitary with the first component reversibly attaches to the bearing component. The bearing component has a third articular surface shaped to articulate with a fourth articular surface on the third component. A distraction feature of the bearing component is shaped to provide alignment and/or distraction between the first articular surface and the fourth articular surface during insertion of the bearing component into a joint space between the first and second bones.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.