Patent · US Active

Knife for circular surgical stapler

US11426171B2 · kind B2 · utility

0Cited by

36References

20Claims

0Family size

Assignee

Cilag GmbH International · CH

Inventors

John S. Kimsey · Walton, US
Vijay K. Sakhare · Mason, US

Key dates

Filing date	May 29, 2020
Grant date	Aug 30, 2022
Priority date	—
Expiry date	Jul 23, 2040

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B2017/07285
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

An apparatus includes a body, a shaft, and a stapling head assembly. The shaft extends distally from the body. The stapling head assembly is positioned at a distal end of the shaft. The stapling head assembly includes a staple driver member and a knife member. The staple driver member is configured to drive a plurality of staples into tissue. The knife member is configured to cut through the tissue. The knife member includes a proximal end, a distal end, and a cylindrical body extending between the proximal and distal ends. The cylindrical body includes at least one coupling feature that operatively couples the knife member with the staple driver member.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.