Tissue cushion adjuncts for surgical stapler end effector
US12295577B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 25, 2022 |
| Grant date | May 13, 2025 |
| Priority date | — |
| Expiry date | Mar 25, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/07285
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A surgical instrument includes a first and second jaw, a firing assembly, a first buttress assembly, and a second buttress assembly. The first and second jaw actuate relative to each other between an open and closed position to grasp tissue. The second jaw includes a fastening assembly having a deck defining a plurality of openings and a plurality of fasteners housed within the openings. The firing assembly drives the plurality of fasteners out of the plurality of openings against a plurality of fastening forming features of the first jaw. The first buttress assembly and the second buttress assembly are associated with the first and second jaw, respectively. The first buttress assembly includes a first material and a first thickness. The second buttress assembly includes a second material and a second thickness. The first material and the second material differ in rigidity. The first thickness and the second thickness are different.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.