ALEXANDRIA, Va., April 9 -- United States Patent no. 12,268,399, issued on April 8, was assigned to DEPUY IRELAND UNLtd. COMPANY (Ringaskiddy, Ireland).
"Rotary surgical instrument assembly" was invented by Rod G. Cameron Jr. (Raynham, Mass.), John Cuneo (Raynham, Mass.), Chad McAlexander (Warsaw, Ind.) and Prasenjit Saha (Warsaw, Ind.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rotary surgical assembly is disclosed. The assembly has a plurality of cutting teeth (216), a hollow dome (200) and a spindle (10). The hollow dome has a pole having a pole axis X, and a cutting surface featuring some of the cutting teeth. The cutting surface includes a curved part (214) and a substantially flat part (212) proxi...