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

Claim 2:
3. The cryo-fixation lead extraction device of claim 1, including
a distal freezing chamber located adjacent the distal liner end and being in fluid communication with the cryogen fluid source via the at least one cryogen supply line; and
at least one cryogen return line extending longitudinally through at least a portion of the liner lumen, the at least one cryogen return line being configured to place the distal freezing chamber in fluid communication with a cryogen fluid destination via the proximal liner end;
the cryogen fluid source, the at least one cryogen supply line, the distal freezing chamber, the at least one cryogen return line, and the cryogen fluid destination collectively comprising a closed cryogen loop preventing passage of cryogen fluid distally from the cryo-fixation lead extraction device.