Surgical instrument steering input device
AssigneeIntuitive Surgical Operations, Inc.
InventorsMatthew Aaron Wixey, Nicholas H. Ragosta
Life of this patent
Estimating the term…
Abstract
A surgical instrument includes: a distal movable component; a proximal drive assembly including a drive shaft, a capstan, and a plurality of splines; a first cable extending between the distal movable component and the drive shaft; and a second cable extending between the distal movable component and the capstan. The drive shaft includes a tapered projection, and the capstan includes a tapered bore in which the tapered projection of the drive shaft is received. The plurality of splines engage the tapered projection of the drive shaft with the tapered bore of the capstan.
Claims21
1-20. (canceled)
A surgical instrument comprising:
- a drive shaft;
- a capstan;
- a splined snap-fit connection between the drive shaft and the capstan;
- a distal end effector;
- a first cable portion wrapped around the drive shaft and operably coupled to the distal end effector;
- and
- a second cable portion wrapped around the capstan and operably coupled to the distal end effector.
A surgical instrument comprising:
- a drive shaft;
- a capstan;
- means for coupling the drive shaft and the capstan with a snap-fit connection;
- a distal end effector;
- a first cable portion wrapped around the drive shaft and operably coupled to the distal end effector;
- and
- a second cable portion wrapped around the capstan and operably coupled to the distal end effector.
Dependencies are inferred from the claim text.