US Patent Issued to Cilag GmbH International on Oct. 21 for "Ultrasonic surgical instrument with piezoelectric central lumen transducer" (Pennsylvania, Ohio Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,446,913, issued on Oct. 21, was assigned to Cilag GmbH International (Zug, Switzerland).

"Ultrasonic surgical instrument with piezoelectric central lumen transducer" was invented by Sora Rhee (Spring Mills, Pa.), Jacob S. Gee (Cincinnati), Steven P. Smolik (West Chester, Ohio), Stephen J. Balek (Springboro, Ohio) and William D. Dannaher (Cincinnati).

According to the abstract* released by the U.S. Patent & Trademark Office: "A surgical instrument includes a transducer assembly with a housing having a conduit section and a base portion. A fluid passageway is defined through the conduit and base portion, an ultrasonic transducer including a plurality of piezoelectric elements and a plu...