ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,408,940, issued on Sept. 9, was assigned to OLYMPUS Corp. (Tokyo).
"Vibration transmitter and ultrasonic treatment device" was invented by Yasuhiro Maeda (Hachioji, Japan), Yukihiko Shimamura (Yoshikawa, Japan) and Masashi Yamada (Sagamihara, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vibration transmitter includes: a first rod including a fitting hole extending along the longitudinal axis thereof; and a second rod attached to a distal end portion of the first rod by a fitting portion fitted into the fitting hole in a state where a compressed surface pressure is received from the inner surface of fitting hole. The first rod includes: a firs...