05190517 is referenced by 646 patents and cites 10 patents.

An electrical circuit system which provides electrical energy to a surgical apparatus having ultrasonic fragmentation, aspiration and electrosurgical coagulation capabilities, which system also includes an impedance sensing network and automatic feedback power output control to reduce RF power output as load impedance increases, thereby reducing RF leakage current.

Title
Electrosurgical and ultrasonic surgical system
Application Number
7/711484
Publication Number
5190517
Application Date
June 6, 1991
Publication Date
March 2, 1993
Inventor
Michael S Klicek
Boulder
CO, US
David A Zieve
Lafayette
CO, US
Agent
Mark Dryer
Lawrence C Akers
Peter C Richardson
Assignee
Valleylab
CO, US
IPC
A61B 17/39
A61B 17/32
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