Hip prosthesis
US5314489A · kind A · utility
87Cited by
20References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 6, 1992 |
| Grant date | May 24, 1994 |
| Priority date | — |
| Expiry date | Nov 6, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2230/0071
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A hip prosthesis is disclosed which employs a number of cement spacers located on the surface of the stem of the prosthesis immediately below a collar which makes direct and parallel contact with calcar bone when a stem of the prosthesis is seated in medullary canal of the patient. The collar is constructed to provide even stress distribution to the bone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.