Circular stapler and staple head assembly thereof
US11096695B2 · kind B2 · utility
0Cited by
27References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 28, 2019 |
| Grant date | Aug 24, 2021 |
| Priority date | — |
| Expiry date | Sep 21, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/0811
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A circular stapler and a staple head assembly thereof are disclosed. The staple head assembly comprises a staple barrel assembly and an anvil assembly. The anvil assembly includes an anvil ring and an anvil shaft which are fixedly connected to each other, where the anvil shaft is capable of sliding along the longitudinal direction in an expansion-stopping tube. The staple barrel assembly includes a staple barrel, a staple pusher piece arranged within the staple barrel and a staple cartridge fixed at a distal end of the staple barrel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.