Circular surgical stapler with angularly asymmetric deck features
US10603041B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 14, 2016 |
| Grant date | Mar 31, 2020 |
| Priority date | — |
| Expiry date | Jan 13, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/07278
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An apparatus includes a body, a shaft assembly, a stapling head assembly, and an anvil. The stapling head assembly includes a deck member, a plurality of staples, and a driver. The deck member includes a first deck surface, a second deck surface, an outer annular array of staple openings formed through the deck surfaces, an inner annular array of staple openings formed through the deck surfaces, and a plurality of stand-off features extending distally from the second deck surface. The second deck surface is recessed relative to the first deck surface. The driver is operable to drive the staples through the staple openings. The anvil is operable to compress tissue against the deck surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.