Patent ID: 11857284
Assignee: INTUITIVE SURGICAL OPERATIONS, INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 11:
12. A surgical instrument, comprising:
an end effector;
an instrument shaft coupled to the end effector; and
an input device supported by a housing coupled to the instrument shaft;
wherein the input device comprises:
a drive shaft comprising a blind bore,
a capstan comprising a through-bore,
a set screw comprising a screw head and a screw shaft extending from the screw head, and
a pre-tensioner configured to engage the screw head of the set screw;

wherein the capstan is located axially between the screw head and the drive shaft; and
wherein the screw shaft axially extends through the through-bore of the capstan and partially through the blind bore of the drive shaft.