Surgical cutting heads with curled cutting wings
US5613972A · kind A · utility
85Cited by
27References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 13, 1994 |
| Grant date | Mar 25, 1997 |
| Priority date | — |
| Expiry date | Sep 13, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M1/85
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A surgical cutting head includes an outer tube rotatably housing an inner tube. At the distal end of the inner tube is curled cutting wings characterized by a portion of the wall of the inner tube being radially displaced inwardly. The distal end of the inner tube also has v-shaped cutting notches. The distal end of the outer tube has a projecting guard having a poriton which overlies the cutting wings and the distal edge of the inner tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.