Prosthesis for replacing the surface in the area of the ball of ball-and-socket joints
US8157870B2 · kind B2 · utility
3Cited by
4References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 21, 2005 |
| Grant date | Apr 17, 2012 |
| Priority date | — |
| Expiry date | Dec 21, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2250/0036
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A prosthesis for replacing a surface in an area of a ball of a ball-and-socket joint includes a spherical shell section having an outer surface that is configured to lie in an articular fossa and is for attachment to a surface. The shell section having a cavity for receiving a bone end. The prosthesis also includes a crown that partitions the cavity of the shell section into a first cavity and a second cavity, wherein a shape of the shell section is at least a section of a hemisphere and a free edge of the crown lies in the same plane as a free edge of the shell section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.