Stapler
US12290262B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jan 7, 2022 |
| Grant date | May 6, 2025 |
| Priority date | — |
| Expiry date | Jan 20, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/00407
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present disclosure provides a stapler, including a shell, an ejector plate pin, a cartridge pin, an anvil pin, an unlocking pin, an ejector plate ring, a cartridge ring and an anvil ring, where the cartridge pin is between the ejector plate pin and the anvil pin; the ejector plate ring, the cartridge ring and the anvil ring all include a first half ring and a second half ring; hinged ends of the first half rings and the second half rings are rotatably connected, and fixed ends of the second half rings of the ejector plate ring, the cartridge ring and the anvil ring are connected to the front ends of the ejector plate pin, the cartridge pin and the anvil pin, respectively. The present disclosure adopts a brand-new concept of eversion anastomosis, and ensures the smoothness of a lumen after anastomosis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.