ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,478,345, issued on Nov. 25, was assigned to Naoyuki Ishikita (Niigata, Japan).
"Auscultation-assisting tool and stethoscope" was invented by Naoyuki Ishikita (Niigata, Japan) and Toshiyuki Morishima (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An auscultation-assisting tool includes a hollow sheet detachably attached to a diaphragm included in a chest piece. The hollow sheet includes a first film portion detachably attached to the diaphragm included in the chest piece, a second film portion to be brought into contact with an examination site and being deformable in conformity with an irregular surface of the examination site, and a hollow porti...