DEFLATION MECHANISM FOR A MEDICAL DEVICE

摘要

A method and system for delivering coolant to a medical device having an expandable element, a guidewire lumen movable within the medical device, and an actuator element coupled to the guidewire lumen for manipulation of longitudinal movement thereof is provided, including transferring a fluid from a console to the medical device to inflate the expandable element; manipulating the actuator element, and initiating a predetermined fluid control sequence of the console in response to the manipulation of the actuator element.

主权项

1. A continuous flow cryotreatment system, the cryotreatment system comprising:
a fluid supply; a fluid injection line in communication with the fluid supply, the fluid injection line including a subcooler; a bypass line in communication with the fluid injection line, the bypass line including a valve, an inlet upstream of the subcooler, and an outlet downstream of the subcooler; a treatment device having a treatment element in communication with the fluid injection line; a fluid return line in communication with the treatment device; a vacuum source in communication with the fluid return line; and the system being programmable to operate in an inflation phase, a treatment phase, and a warming phase, the fluid continuously flowing through the bypass line during the inflation phase and through the subcooler during the ablation phase.