Patent ID: 6270494
Filing Date: 2001-08-07
Classification: A61B

Abstract:
A sheath for use as a removable cover for a cryosurgical probe, said sheath comprising:a hollow grip removably attachable to a cryosurgical probe;a thermally resistive catheter assembly attachable to said hollow grip, said catheter assembly having a tubular passageway for receiving a cannula portion of a cryosurgical probe;a thermally conductive segment on said catheter assembly, said conductive segment being in thermal contact with a heat transfer portion of a cryosurgical probe, when said catheter assembly is disposed over a cannula portion of a cryosurgical probe; anda biasing element on said catheter assembly, said biasing element being constructed to longitudinally bias said conductive segment of said catheter assembly against a heat transfer portion of a cryosurgical probe when said hollow grip is attached to a cryosurgical probe.