ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,396, issued on April 14, was assigned to OLYMPUS MEDICAL SYSTEMS CORP. (Tokyo).
"Ultrasonic treatment instrument" was invented by Hiroshi Ashiba (Tokorozawa, Japan), Yasuhiro Maeda (Tokyo) and Minoru Katsumata (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An ultrasonic treatment instrument includes: a vibration transmitter main body having a proximal end to which a vibration generation source is connected; a first support in which a central axis of an outer peripheral surface of the first support is shifted from a central axis of an inner peripheral surface of the first support when an external force is not applied; a second support in whic...