ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,376,825, issued on Aug. 5, was assigned to ELECTRONIC SYSTEMS S.P.A. (Novara, Italy).
"Device for the direct detection of pressure variations of a fluid in a body cavity" was invented by Florinda Martena (Novara, Italy) and Stefano Trizzino (Novara, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device for the direct detection of pressure variations of a fluid within a body cavity comprises a pressure transducer and a cannula having a distal end which either forms or is fluidically coupled with hollow insertion means suitable to be inserted into the body cavity. The cannula and the hollow insertion means form a volume which contains an air column...