ABLATION DEVICE HAVING A PIEZOELECTRIC PUMP

摘要

An ablating device having one or more piezoelectric micropumps for delivering a flowable material to a target tissue. The device may be coupled to a controller configured to monitor tissue temperature, ablation element temperature, transducer impedance and/or degree of contact between the ablation elements and a tissue and to adjust the flow rate of the flowable material in response to changes in temperature, transducer impedance and/or degree of contact between the ablation elements and the tissue. Methods of ablating tissue using devices of the present invention are also described.