ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,272, issued on Oct. 14, was assigned to Gyrus ACMI Inc. (Westborough, Mass.).
"Internal secondary calculus fragmentation mechanism" was invented by Jeffrey M. Schmitt (Bolton, Mass.), Charles Baker (Rogers, Minn.), Kristen R. Toutant (Denver) and Susanna L. Mayo (Boston).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure includes a calculi fracture device having an acoustic transducer for transferring acoustic energy via a primary fragmentation probe to fracture a calculi mass into calculi fragments, an evacuation tube connecting the probe to a pressure source, and a secondary fragmentation device located in an evacuation pathway e...