US Patent Issued to Cilag GmbH International on Feb. 4 for "Combination ultrasonic and electrosurgical instrument having electrical circuits with shared return path" (Ohio Inventors)

ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,213,717, issued on Feb. 4, was assigned to Cilag GmbH International (Zug, Switzerland).

"Combination ultrasonic and electrosurgical instrument having electrical circuits with shared return path" was invented by Stephen M. Leuck (Milford, Ohio) and Eitan T. Wiener (Cincinnati).

According to the abstract* released by the U.S. Patent & Trademark Office: "A surgical instrument includes a shaft, an ultrasonic transducer, a waveguide acoustically coupled with the ultrasonic transducer and extending distally through the shaft, and an end effector arranged at a distal end of the shaft. The end effector includes an ultrasonic blade acoustically coupled with the waveguide, a clamp arm movable r...