ALEXANDRIA, Va., March 24 -- United States Patent no. 12,582,432, issued on March 24, was assigned to Stryker European Operations Ltd. (Carrigtwohill, Ireland).
"Ultrasonic surgical irrigation sleeve and related assemblies" was invented by Masaya Yamamoto (Tokyo), Guillaume Gras (Bienne, Switzerland) and Hidefumi Ota (Yokohama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An ultrasonic surgical instrument assembly including an irrigation sleeve assembly defining a lumen and an ultrasonic tip at least partially disposed within the lumen of the irrigation sleeve. The irrigation sleeve assembly may comprise a hub and an irrigation sleeve coupled to the hub. The irrigation sleeve may comprise an inner sh...