Surgical stapling instrument and a staple cartridge and staple for such an instrument
US8613384B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 21, 2007 |
| Grant date | Dec 24, 2013 |
| Priority date | — |
| Expiry date | Jun 6, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/1157
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A surgical stapling instrument comprises a cartridge device with a row of staples and a wavy first tissue interface, and an anvil having a wavy second tissue interface which cooperates with the first tissue interface for clamping tissue therebetween and forming the staples exiting from the cartridge device, a staple driving device adapted to drive the staples out of the cartridge device towards the anvil, wherein the staples are non-symmetrical U-shaped with two legs protruding toward the anvil and a transverse basis connecting the legs, wherein the basis is inclined with respect to the longitudinal direction of the legs and has a length greater than the staple projection on a plane perpendicular to the longitudinal direction of the legs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.