US Patent Issued to Stryker European Operations Holdings on Feb. 18 for "Ultrasonic tip with protrusion defining a preaspiration hole" (Irish, Swiss Inventors)

ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,226,116, issued on Feb. 18, was assigned to Stryker European Operations Holdings LLC (Portage, Mich.).

"Ultrasonic tip with protrusion defining a preaspiration hole" was invented by Guillaume Gras (Bienne, Switzerland), Cathal Heavey (Midleton, Ireland) and Conor McCarthy (West Cork, Ireland).

According to the abstract* released by the U.S. Patent & Trademark Office: "An ultrasonic tip for use with a surgical handpiece to produce both longitudinal and torsional motion. The ultrasonic tip comprises a shaft having a longitudinal axis extending between proximal and distal ends having respective first and second diameters with the first diameter greater than the second diameter. The ultr...