Surgical device
US8202229B2 · kind B2 · utility
63Cited by
243References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 1, 2007 |
| Grant date | Jun 19, 2012 |
| Priority date | — |
| Expiry date | Nov 6, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/22
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A surgical device is disclosed. The surgical device comprises an outer sleeve, a cutting element, a spool, a piston, and a spring. The cutting element extends from the outer sleeve at the distal end of the outer sleeve. The cutting element comprises an outer cannula and an inner cannula. The spool is engaged with the outer cannula. The piston is engaged with the inner cannula. A spring is positioned between the spool and the piston. The spool is translated distally to translate the outer cannula towards the distal end. And the piston translates the inner cannula towards the distal end to sever tissue.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.