Patent ID: 11944289
Assignee: C. R. BARD, INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 17:
18. A surgical instrument comprising:
a handle;
an elongated shaft assembly extending distally from the handle, the elongated shaft assembly including an articulable portion movable between a non-articulated configuration and an articulated configuration, the elongated shaft assembly comprising:
a first shaft including an articulable portion with a first spine, wherein a width of the first spine increases in a proximal direction; and
a second shaft coaxially arranged relative to the first shaft, the second shaft including an articulable portion having a second spine, wherein a width of the second spine increases in the proximal direction, wherein the first spine is located on a first side of the elongated shaft assembly, wherein the first shaft and the second shaft are axially fixed at a location located distally from the articulable portion of the elongated shaft assembly, wherein the second spine is located on a second opposing side of the elongated shaft assembly and opposite from the first spine, and wherein proximal portions of the first and second shafts are displaceable in opposing directions to articulate the elongated shaft assembly; and

a driveshaft disposed within the first and second shafts, the driveshaft including a plurality of driveshaft cuts formed on the driveshaft, the plurality of driveshaft cuts spaced along at least a portion of a length of the driveshaft.