An interface is associated with a structure which, in use, is deployed in an interior body region of a patient. The structure includes an operative element coupled to a controller, which establishes an operating condition for the operative element to perform a diagnostic or therapeutic procedure in the...http://www.google.com/patents/US20030028118?utm_source=gb-gplus-sharePatent US20030028118 - Interactive systems and methods for controlling the use of diagnostic or therapeutic instruments in interior body regions
