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.
Patent No.:
Date of Patent:
Aug. 20, 2024
Filed:
May. 03, 2022
Applicant:
Covidien Lp, Mansfield, MA (US);
Inventor:
Zachary S. Heiliger, Nederland, CO (US);
Assignee:
Covidien LP, Mansfield, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 17/29 (2006.01); A61B 34/00 (2016.01); A61B 17/32 (2006.01); A61B 18/00 (2006.01); A61B 18/08 (2006.01); A61B 18/14 (2006.01); A61B 18/18 (2006.01); A61B 34/35 (2016.01);
U.S. Cl.
CPC ...
A61B 17/29 (2013.01); A61B 34/71 (2016.02); A61B 2017/2936 (2013.01); A61B 2017/320094 (2017.08); A61B 2018/00077 (2013.01); A61B 2018/0063 (2013.01); A61B 18/085 (2013.01); A61B 18/1445 (2013.01); A61B 2018/1455 (2013.01); A61B 2018/1807 (2013.01); A61B 2018/1861 (2013.01); A61B 34/35 (2016.02);
Abstract
A gearbox assembly for a surgical instrument includes an articulation sub-assembly and a jaw drive sub-assembly. The articulation sub-assembly is configured to articulate an end effector of the surgical instrument and the jaw drive sub-assembly is configured to move jaw members of the end effector between an open and closed position. The articulation sub-assembly includes two input shafts, a proximal plate, a middle plate, two center gears, and four lead screws with four nuts. The jaw drive sub-assembly includes a drive rod coupled to at least one of the jaws and a spring force assembly to maintain a force between the jaws.