A medical apparatus and method useful for obtaining a tissue sample are provided. The apparatus can include a rotating and trasnslating cutter, a probe, and an outer sheath. The probe can be cooled, such as with a cryogenic substance. The sheath can shield surrounding tissue from the outer surface of...http://www.google.fr/patents/US20070191732?utm_source=gb-gplus-shareBrevet US20070191732 - Cryogenic probe
