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:
Apr. 14, 2020
Filed:
Oct. 12, 2017
Intuitive Surgical Operations, Inc., Sunnyvale, CA (US);
Grant M. Kadokura, Redwood City, CA (US);
William A. McDonald, II, Sonora, CA (US);
Intuitive Surgical Operations, Inc., Sunnyvale, CA (US);
Abstract
A surgical instrument includes: an adjustable end effector; an elongated instrument shaft defining an internal bore; and a drive assembly including a housing coupled to an end of the instrument shaft and an input device configured to facilitate controlled adjustment of the end effector via a drive cable extending along the bore of the instrument shaft. The input device includes: a drive shaft attached to a first portion of the drive cable, the drive shaft including an upstanding stem portion having a radially tapered outer surface; and a capstan attached to a second portion of the drive cable, the capstan defining an internal bore sized to receive the stem portion of the drive shaft, at least a lower portion of the internal bore having a radially tapered inner surface. The capstan and drive shaft are configured to transition from a disengaged state to an engaged state.