Cryoprobe with warming feature

Details Cryoprobe with warming feature Cryoprobe with warming feature

1996-07-23

1998-09-01

Lacyk, John P.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Thermal applicators

606 20, 606 21, 606 22, 606 23, 606 24, 128DIG27, A61F 700

Patent

active

058004882

ABSTRACT:
Cryocoolers for use in cryosurgery and other applications comprising finned tube helical coil heat exchangers and warming gas flow through a warming gas supply line fitted Joule-Thomson nozzle. The cryocoolers use helium, hydrogen or neon as a warming gas which is expanded from the Joule-Thomson nozzle to heat the probes.

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Onik, Cohen, et al., Transrectal Ultrasound-Guided Percutaneous Radial Cryosurgical Ablation Of The Prostate, 72 Cancer 1291 (1993).
Onik, et al., Percutaneous Prostate Cryoablation, (1995).
Onik, Ultrasound-Guided Cryosurgery, Scientific American at 62. (Jan. 1996).
Walker & Bingham, Low Capacity Cryogenic Refrigeration, p. 67 et seq. (1994).

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