Cannula and a retractor for percutaneous surgery
US6425859B1 · kind B1 · utility
411Cited by
77References
38Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 9, 1999 |
| Grant date | Jul 30, 2002 |
| Priority date | — |
| Expiry date | Nov 9, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/373
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A device for retracting tissue that includes a cannula and a retractor positionable in the working channel of the cannula. The retractor includes a working tip configured to atraumatically displace tissue as the retractor is manipulated through the tissue.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.