Implantable prosthesis with radiographic marker
US5405402A · kind A · utility
171Cited by
13References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 14, 1993 |
| Grant date | Apr 11, 1995 |
| Priority date | — |
| Expiry date | Apr 14, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2310/00017
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An implantable prosthesis comprises a polyethylene prosthetic member that is substantially transparent to x-rays and a radiographic marker that is substantially opaque to x-rays. The radiographic marker is configured as a tension spring arranged as a continuous ring encircling the prosthetic member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.