Importance

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Abstract

The present disclosure is directed to a cryoprobe including heating capabilities within the cryoprobe tip for use in a cryosurgical system. A heating element can be operably secured to an inner surface of the cryoprobe tips, wherein the heating element can then be connected to an electrical current source such that heat is generated at the cryoprobe tip as the electrical current flows through the heating element. In one version, the heating element can comprise a resistive element laminated between layers of insulation while in other, alternative versions, the heating element can comprise a small diameter resistance wire attached directly to an inner surface within the cryoprobe tip. The cryoprobe can include a thermocouple secured within the cryoprobe tip so as to take temperature measurements during both freezing and thawing cycles. In some versions, the heating element can be operably secured within the cryoprobe tip using an expanding or rotating mandrel.

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First Claim