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:
Dec. 12, 2023
Filed:
Aug. 30, 2019
Applicant:
Covidien Lp, Mansfield, MA (US);
Inventors:
Shouwei Li, Shanghai, CN;
Yezhou Wu, Shanghai, CN;
Fen Du, Shanghai, CN;
Zhihua Zhang, Shanghai, CN;
Assignee:
COVIDIEN LP, Mansfield, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 17/072 (2006.01); A61B 17/00 (2006.01);
U.S. Cl.
CPC ...
A61B 17/07207 (2013.01); A61B 2017/00398 (2013.01); A61B 2017/00473 (2013.01); A61B 2017/07285 (2013.01);
Abstract
A handle assembly () of a hand-held surgical instrument () includes a handle housing (), a motor (), and a dual thread lead screw () operably coupled to the motor () and configured to move proximally and/or distally in response to an actuation of the motor (). A first thread pitch of the lead screw () is suitable for effecting a closing of jaw members () of an end effector (), and a second thread pitch of the lead screw () is suitable for effecting a stapling function of the end effector ().