Endoscopic screw anchor extractor
US5749878A · kind A · utility
22Cited by
2References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 21, 1997 |
| Grant date | May 12, 1998 |
| Priority date | — |
| Expiry date | Feb 21, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/044
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A cannulated screw anchor extractor with a clear plastic outer sheath allows backing out of the screw anchor from bone into the inner cannulation of the clear, plastic sheath. The threads of the screw anchor purchase the inner cannulation of the sheath to secure the anchor for removal from within the body and avoid screw loss in soft tissue during extraction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.