公开(公告)号：FI924451A

公开(公告)日：1992-10-02

申请号：FI924451

申请日：1992-10-02

Applicant: VALLEYLAB INC

Inventor： BROADWIN ALAN ,  LOGAN JOSEPH NICHOLAS ,  KUHL PETER JOSEPH

IPC: A61B17/22 ,  A61B20060101 ,  A61B17/00 ,  A61B18/00 ,  A61B18/12 ,  A61B18/14

Abstract: An improved device for delivering RF current to the operating tool of an ultrasonic surgical apparatus which comprises a switch module for selecting said RF current, an electrically conducting metal band connected to the switch module and an electrically conductive O-ring in electrical contact with the metal band and located around the acoustic conecting member of the apparatus.