US Patent Issued to Stryker on Aug. 12 for "System and method for driving an ultrasonic handpiece with a linear amplifier" (Michigan, Massachusetts Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,383,930, issued on Aug. 12, was assigned to Stryker Corp. (Portage, Mich.).

"System and method for driving an ultrasonic handpiece with a linear amplifier" was invented by Adam D. Downey (Kalamazoo, Mich.), Neal R. Butler (Acton, Mass.) and Scott A. Rhodes (North Andover, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A control console for a powered surgical tool. The console includes a transformer that supplies the drive signal to the surgical tool. A linear amplifier with active resistors selectively ties the ends of the transformer primary winding between ground and the open circuit state. Feedback voltages from the transformer windings regulat...