Contoured staple pusher
US11517305B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 9, 2020 |
| Grant date | Dec 6, 2022 |
| Priority date | — |
| Expiry date | Jul 9, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/07278
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A cartridge assembly includes a channel member defining a cavity, and a staple cartridge including a cartridge body. A plurality of pushers disposed within the cartridge body, such that each pusher includes a staple supporting surface that defines a first concavity and a second concavity that are separated by a central radiused convexity. Each staple of a plurality of staples is received within one retaining slot of a plurality of retaining slots. Each staple of the plurality of staples includes a back span, wherein the shape of each staple of the plurality staples corresponds to the shape of the staple supporting surface of each of the plurality of pushers. An actuation sled can be moved within the cartridge body, into sequential engagement with the plurality of pushers to urge the plurality of staples through the plurality of retaining slots.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.