Transcatheter Delivery System With Wheel Actuation

The delivery device of claim 21, wherein the lock button has a first position disposed within the frame, and a second position in which the lock button protrudes from the frame.

The delivery device of claim 21, wherein the distal sheath is coupled to a threaded rod, the threaded rod being coupleable to the lock body.

The delivery device of claim 23, wherein the lock body has a pair of ribs configured to maintain contact with a bottom of the threaded rod when the threaded rod translates along the longitudinal axis of the frame.

The delivery device of claim 23, wherein the lock finger is configured to be disposed within a cavity of threaded rod in a first lock condition that prevents distal movement of the distal sheath, and to be substantially parallel with the threaded rod in a second unlocked condition that allows distal movement of the distal sheath.

The delivery device of claim 21, further including a second compression spring coupled to the lock finger.

The delivery device of claim 26, wherein the second compression spring is configured to apply a force to the lock body.

The delivery device of claim 26, further comprising a dowel hinge pin pivotably connecting the lock body to the frame.

The delivery device of claim 28, wherein the lock body is urged to pivot upward about the dowel hinge pin by the second compression spring.

The delivery device of claim 30, wherein the leaf spring is fixed to the frame and configured to apply a constant upward to the lock body.

The delivery device of claim 30, wherein the leaf spring is disposed generally perpendicular to the lock button.