Delivery device and method of delivery

摘要

A delivery device can include a number of different features including, one or more of, but not limited to, the following. Shuttle and trigger retraction of an outer sheath. Arcuate movement of a trigger. An interlock device to prevent actuation of the trigger. An interlock device that can adjust the position of the outer sheath and the inner shaft. A retraction override switch and lock.

主权项

1. A delivery device comprising:
an inner shaft having one or more delivery platforms for deployment of one or more intraluminal devices; an outer sheath surrounding the inner shaft and configured to cover the one or more delivery platforms pre-deployment and to be withdrawn from one of the one or more delivery platform as part of a deployment of one of the one or more intraluminal devices; an outer sheath rack comprising a plurality of teeth, the outer sheath rack coupled to the outer sheath; a handle housing, wherein the inner shaft and the outer sheath rack are at least partially positioned within the handle housing, the handle housing comprising at least one pawl configured to engage with the plurality of teeth on the outer sheath rack to prevent re-sheathing of the outer sheath over the one or more delivery platforms after a deployment; a retraction override switch coupled to the outer sheath rack and the inner shaft, wherein actuation of the retraction override switch is configured to disengage the at least one pawl from the plurality of teeth on the outer sheath rack to allow re-sheathing of the outer sheath over the one or more delivery platforms after a deployment; a retraction override lock feature, wherein the retraction override lock is configured to lock the retraction override switch in the actuated position with the at least one pawl disengaged from the outer sheath rack; and wherein the retraction override lock comprises a spring metal plate and the retraction override switch further comprises a cam engaged with the spring metal plate, actuation of the cam can move the cam to a locked position that prevents further movement.