A new concept for cryosurgery control is presented in this report, a concept which has the potential to dramatically change the outcome of cryosurgery. Unlike other cryosurgery control techniques, which are based on controlling the thermal performance of the cryoprobe, this new concept is based on heating the treated tissue as a means of shaping the frozen region. The new controlling heater, which is termed a ‘cryoheater,’ is complimentary to the cryoprobe and can work with any cryosurgery cooling technique. In the current pilot study, the new cryoheater is studied in simulated cases of prostate cryosurgery.

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