Patent ID: 7608071

Claim:
A cryosurgical probe assembly, comprising: a) a gas delivery assembly, comprising a stem and a fluid conduit subassembly bonded to said stem, said fluid conduit subassembly for delivering and returning cooling fluid used for cryogenic cooling, said fluid conduit subassembly, comprising: i. a shaft for providing a heat exchange surface for cryogenic ablation; ii. a housing securely connected to said shaft; and, iii. an insulation element slideably engaged with an inner surface of said shaft and slideably engaged with said stem; b) an adjustable sliding apparatus, comprising: i. a slider assembly securely attached to said insulation element for slideably guiding said insulation element along said shaft; and, ii. a button assembly operatively connected to said slider assembly for allowing a user to actuate said slider assembly to provide a desired adjustment of said insulation element relative to said shaft; and, c) a handle assembly positioned about said housing.