ALEXANDRIA, Va., July 16 -- United States Patent no. 12,357,337, issued on July 15, was assigned to Stryker Corp. (Portage, Mich.).
"System and method for driving an ultrasonic handpiece as a function of the mechanical impedance of the handpiece" was invented by Adam Downey (Kalamazoo, Mich.) and Matthew Owen (Vicksburg, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An ultrasonic surgical tool system for actuating a handpiece with a tip. The frequency of the drive signal applied to the handpiece drivers is a function of the equivalent of current through the mechanical components of the handpiece and tip and the frequency responsiveness of these components."
The patent was filed on July 28, 2023, unde...