Tuned RF energy and electrical tissue characterization for selective treatment of target tissues

摘要

TUNED RF ENERGY AND ELECTRICAL TISSUE CHARACTERIZATION FOR SELECTIVE TREATMENT OF TARGET TISSUES Abstract A medical device (12) for ablating tissue, comprising an elongate shaft (14) having a distal region; an expandable member (26) coupled to the distal region; a flexible circuit (712, 714, 716) coupled to the expandable member, wherein the flexible circuit includes a polymer substrate (724) attached to an outer surface of the expandable member; and one or more electrodes (722) attached to the polymer substrate.