Control system for cryosurgery

Details Control system for cryosurgery Control system for cryosurgery

2007-10-01

2009-06-30

Peffley, Michael (Department: 3739)

Surgery

Instruments

Cyrogenic application

C062S293000, C606S022000

Reissue Patent

active

RE040815

ABSTRACT:
An apparatus and method for automatic operation of a refrigeration system to provide refrigeration power to a catheter for tissue ablation or mapping. The primary refrigeration system can be open loop or closed loop, and a precool loop will typically be closed loop. Equipment and procedures are disclosed for bringing the system to the desired operational state, for controlling the operation by controlling refrigerant flow rate, for performing safety checks, and for achieving safe shutdown.

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