Drug patterned reinforcement material for circular anastomosis
US10806459B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 14, 2018 |
| Grant date | Oct 20, 2020 |
| Priority date | — |
| Expiry date | Feb 5, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/1157
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A surgical stapling apparatus includes a staple cartridge assembly, an anvil assembly operatively associated with the staple cartridge assembly, and a surgical buttress releasably coupled to the staple cartridge assembly or the anvil assembly. The staple cartridge assembly includes a tissue facing surface having staple retaining slots defined therein, each staple retaining slot housing a staple therein, and a circular knife disposed radially inwardly of the tissue facing surface. The anvil assembly includes an anvil member including a tissue facing surface and an anvil shaft extending from the anvil member. The surgical buttress has a circular configuration defining a central aperture therethrough. The surgical buttress includes an inner concentric portion having a therapeutic coating disposed thereon and an outer concentric portion free of the therapeutic coating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.