Edwards Lifesciences Corporation
MANUFACTURE OF STEERABLE DELIVERY DEVICES

Abstract:

Steerable delivery devices use one or more pull wires. Described herein are devices and methods for securing a pull wire to an adjustment mechanism of such delivery devices. The disclosed devices facilitate securing the pull wire by using a wrapping set screw that forms a lumen for the pull wire and one or more notches in the side of the wrapping set screw at its proximal end. The notches allow the pull wire to be pulled through a notch so that when the wrapping set screw is driven into a threaded lumen the pull wire lies along the roots of the screw. The pull wire is secured in place due at least in part to friction and/or to being pressed between the screw and the threaded lumen of a wrap housing where the wrap housing can be part of the adjustment mechanism of the delivery device.