Cement spacer for acetabular cup
US7842094B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 4, 2008 |
| Grant date | Nov 30, 2010 |
| Priority date | — |
| Expiry date | Dec 26, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2220/0033
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An acetabular cup has a shell having a recess therein, the recess is open to an outer surface of the shell. The recess has an enlarged portion spaced from the shell outer surface with a diameter greater than the diameter of the opening at the surface. An insert is provided for insertion into the recess in the shell outer surface. The insert has a height greater than a depth of the recess and has a solid portion and a bifurcated portion having at least two side openings forming two to four sectors. A base of the sectors formed by bifurcated portion has an outwardly extending flange for insertion into the enlarged portion of the recess.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.