The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 04, 2025

Filed:

Feb. 28, 2020
Applicant:

Covidien Lp, Mansfield, MA (US);

Inventors:

Ping Ren, Shanghai, CN;

Syed Sarfraz Ahamed, Shanghai, CN;

Jiangfeng Zhang, Shanghai, CN;

Assignee:

Covidien LP, Mansfield, MA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 17/072 (2006.01); A61B 90/00 (2016.01);
U.S. Cl.
CPC ...
A61B 17/072 (2013.01); A61B 2017/07221 (2013.01); A61B 2017/07271 (2013.01); A61B 2017/07285 (2013.01); A61B 2090/0801 (2016.02);
Abstract

A surgical stapling device includes a cartridge assembly including a staple pusher, a knife holder, a knife supported on the knife holder, and a biasing member. The biasing member is positioned between the staple pusher and the knife holder to prevent re-advancement of the knife blade after the stapling device is fired.


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