Patent · US Active

Circular stapling instrument having a breakaway washer attachment member

US8573464B2 · kind B2 · utility

77Cited by

11References

6Claims

0Family size

Assignee

Ethicon Endo-Surgery, Inc. · US

Inventors

Anil K. Nalagatla · Mason, US
Michael L. Kruszynski · Loveland, US
Thomas E. Adams · Baldock, GB

Key dates

Filing date	May 19, 2011
Grant date	Nov 5, 2013
Priority date	—
Expiry date	Aug 5, 2031

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B2090/0807
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A stapling cartridge assembly for a circular stapling instrument includes a casing, a staple driver, and a blade. The staple driver is receivable within the casing and configured to move within the casing from a pre-fired position to a fired position. The blade is attachable to the staple driver. The blade includes a cutting edge and a breakaway washer attachment member for fixedly attaching to a breakaway washer when the staple driver is moved from the pre-fired position to the fired position.

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