公开(公告)号：US12295638B2

公开(公告)日：2025-05-13

申请号：US17529991

申请日：2021-11-18

Applicant: OLYMPUS CORPORATION

Inventor： Hiroto Nakamura

IPC: A61B18/02 ,  A61B18/12 ,  A61B18/00

Abstract: A drive device includes: a drive signal generator configured to generate a pair of drive signals, a pair of buffer circuits, a pair of switching elements configured to repeatedly turn on and off the pair of drive signals, a first radiation material that has a longitudinal axis and that is arranged to face one of the pair of switching elements, a second radiation material that has a longitudinal axis and that is arranged to face an other one of the pair of switching elements, a fan and a casing. The switching elements, the first radiation material, and the second radiation material are positioned within a projection plane of the fan viewed along the longitudinal axes of the first radiation material and the second radiation material.

公开(公告)号：US10682155B2

公开(公告)日：2020-06-16

申请号：US16146060

申请日：2018-09-28

Applicant: OLYMPUS CORPORATION

Inventor： Yasuo Tanigami ,  Ryo Miyasaka ,  Koji Kimoto ,  Hiroto Nakamura

IPC: A61B17/16 ,  A61B17/32

Abstract: An ultrasonic treatment system for a joint has an ultrasonic transducer configured to generate ultrasonic vibration at a predetermined frequency, a treatment unit configured to treat a bone or a cartilage with the ultrasonic vibration, a frequency measurement unit configured to measure the frequency of the ultrasonic vibration of the treatment unit, a calculation unit configured to calculate a tilt indicating change, in a predetermined time, of the frequency measured with the frequency measurement unit, and a controller configured to determine whether change of absolute value of the tilt is equal to or larger than predetermined absolute value of the tilt.