Patent ID: 6013020
Filing Date: 2000-01-11
Classification: A61N

Abstract:
In a transfer device useable in a system for intraluminal treatment of a selected site in a body of a patient by at least one treating element advanced through a lumen in the transfer device into a lumen of a separate catheter by means of pressurized fluid, the catheter having a proximal end with a connector integral therewith for attaching the catheter to a central opening in the transfer device, the improvement comprising:an actuator assembly including a gate member movable between a first position that prevents the treating element from entering the lumen of the catheter and a second position that permits the treating element to enter the lumen of the catheter, said gate member being movable into said second position only if the catheter is attached to the transfer device;a movable switch member biased into a first position that interferes with the movement of said gate member into said second position and movable to a second position upon the connector being received in said central opening of the transfer device, thereby allowing said gate member to be moved into said second position; anda movable trigger member biased to interfere with the receipt of the connector into said central opening, said trigger member being movable into locking engagement with the connector when the connector is received in said central opening, and a release button for disengaging said trigger from the connector to permit the catheter to be disconnected from the transfer device.