Buttress release from surgical stapler by knife pushing
US10667814B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 10, 2016 |
| Grant date | Jun 2, 2020 |
| Priority date | — |
| Expiry date | Aug 23, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/00526
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A surgical stapling apparatus including a releasable buttress material includes a cartridge assembly, an anvil assembly, a knife, and a buttress material. The cartridge assembly includes a plurality of staples and a tissue contacting surface defining staple retaining slots. The anvil assembly includes a tissue contacting surface defining staple pockets for forming staples expelled from the staple retaining slots of the cartridge assembly. The knife is disposed within a knife slot formed in the tissue contacting surface of the cartridge assembly. The buttress material includes at least one weld joining the buttress material to the tissue contacting surface of the cartridge assembly. The at least one weld is positioned across the knife slot.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.