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

Claim 16:
17. 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 first bore,
a capstan comprising a second bore, and
a set screw clamping the capstan to the drive shaft;

wherein the set screw comprises a screw shaft, and the screw shaft comprises an upper portion and a lower portion;
wherein the upper portion of the screw shaft extends through the second bore of the capstan, and the lower portion of the screw shaft extends at least partially through the first bore of the drive shaft;
wherein a first thread is defined within the first bore of the drive shaft, and a second thread is defined on the lower portion of the set screw; and
wherein the first thread within the first bore of the drive shaft engages the second thread on the lower portion of the set screw.