Patent ID: 11896281
Assignee: THE CLEVELAND CLINIC FOUNDATION
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 18:
19. The method of claim 18, including:
providing the cryo-fixation lead extraction device with a distal freezing chamber located adjacent the distal liner end and at least one cryogen return line extending longitudinally through at least a portion of the liner lumen;
placing the distal freezing chamber in fluid communication with the cryogen fluid source via the at least one cryogen supply line;
with the cryogen return line, placing a cryogen fluid destination, which is in operative proximity to the proximal liner end, into fluid communication with the distal freezing chamber; and
preventing passage of cryogen fluid distally from the cryo-fixation lead extraction device through use of a closed cryogen loop comprised of the cryogen fluid source, at least one cryogen supply line, distal freezing chamber, at least one cryogen return line, and the cryogen fluid destination.