公开(公告)号：US20240091566A1

公开(公告)日：2024-03-21

申请号：US18266120

申请日：2021-11-02

Applicant: VIOL CO., LTD.

Inventor： Ju Hwan KIM ,  Sangjin LEE

IPC: A61N7/02

CPC classification number: A61N7/02

Abstract: An ultrasonic device according to the present disclosure includes a cartridge comprising a transducer configured to generate ultrasonic waves, and a moving device configured to move the transducer, in which the moving device includes a moving main body, a moving block positioned on the moving main body and connected to the transducer and configured to move with the transducer, a moving connection member connected to the moving block, and a screw unit engaged with the moving connection member to allow the moving block to reciprocate, in which the screw unit has a bidirectional screw thread.