Pivoting anvil assembly for surgical stapling device
US7546940B2 · kind B2 · utility
1,961Cited by
202References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 29, 2007 |
| Grant date | Jun 16, 2009 |
| Priority date | — |
| Expiry date | Dec 14, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/3616
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A surgical stapling device is disclosed for performing circular anastomoses. The surgical stapling device includes a handle portion, an elongated body portion and a head portion including an anvil assembly and a shell assembly. The anvil assembly includes a tiltable anvil which will tilt automatically after the device has been fired and unapproximated. The anvil assembly of the stapling device also includes a retainer clip positioned on the anvil head. The retainer clip includes at least one resilient arm which is positioned to engage a cutting ring during unapproximation of the stapling device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.