Annular knife for a surgical stapler
US10842495B2 · kind B2 · utility
4Cited by
415References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 21, 2015 |
| Grant date | Nov 24, 2020 |
| Priority date | — |
| Expiry date | Jul 13, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/07285
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A surgical stapling device includes a handle assembly, a central body extending distally from the handle assembly, and a head portion including an anvil assembly and a shell assembly. The shell assembly includes an annular knife having an inner surface and an outer surface and first and second angled surfaces defining a blade edge. The first angled surface defines an angle S1 with a longitudinal axis of the stapling device and the second angled surface defines an angle S2 with the longitudinal axis of the stapling device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.