Some challenged claims of Medtronic Ireland Manufacturing Unlimited Co.'s patent that relates to methods and apparatus for achieving renal neuromodulation via thermal heating and/or cooling mechanisms are unpatentable as obvious over prior art, the Patent Trial and Appeal Board said, in an inter partes review by ReCor Medical Inc. and Otsuka Medical Devices Co. Ltd. The board determined that some challenged claims are obvious over prior art that relates to methods and apparatus for treatment of congestive heart failure, chronic renal failure and hypertension; that discloses the use of a catheter with an ultrasonic transducer to provide ultrasonic energy in ...
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