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:
Nov. 11, 2025
Filed:
Nov. 08, 2021
Covidien Lp, Mansfield, MA (US);
Amir Roomi, Boulder, CO (US);
Covidien LP, Mansfield, MA (US);
Abstract
A surgical instrument includes a movable handle movable relative a housing to manipulate an end effector assembly, and a rotation assembly. The rotation assembly includes first and second bodies, where one of the bodies is fixedly disposed within a housing and the other body is rotatably disposed within the housing and fixedly disposed about a shaft. An inner contact ring is fixedly disposed on the first body and includes a first electrical connector. An outer contact ring is fixedly disposed on the first body and includes a second electrical connector. First and second spring contacts maintain electrical contact with the inner and outer contact rings. Each of the first and second spring contacts include a substructure that includes a brush holder, an extension, an electrical connector, and a spring that biases the brush towards the inner or outer contact ring to maintain electrical contact.