Frank J Dijoseph954 Edgewood Dr, Media, PA 19064
Frank Dijoseph Phones & Addresses
954 Edgewood Dr, Springfield, PA 19064 610-5416681
North Wildwood, NJ
Atco, NJ
5242 Westpark Ln, Clifton Heights, PA 19018 610-2849481
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Us Patents
Bipolar Rf Generator
US Patent:
5318563, Jun 7, 1994
Filed:
Jun 4, 1992
Appl. No.:
7/893308
Inventors:
Jerry L. Malis - King of Prussia PA
Leonard I. Malis - Queens NY
Robert R. Acorcey - Cherry Hill NJ
Harry E. Klaus - Bryn Mawr PA
David L. Solt - Fort Washington, both ofn PA
Frank DiJoseph - Atco NJ
Leonard I. Malis - Queens NY
Robert R. Acorcey - Cherry Hill NJ
Harry E. Klaus - Bryn Mawr PA
David L. Solt - Fort Washington, both ofn PA
Frank DiJoseph - Atco NJ
Assignee:
Valley Forge Scientific Corporation - Oaks PA
International Classification:
A61B 1739
US Classification:
606 38
Abstract:
An electrosurgical bipolar RF generator apparatus includes a bipolar electrode. An aperiodic sequence of uniform width bursts of a high frequency signal are electronically synthesized. Substantially identical decaying amplitude envelopes are impressed on the bursts of the high frequency signal. Each of the envelopes has a predetermined rate of change from a preselected initial amplitude. The impressed bursts of the high frequency signal are applied to the electrode. The electrical apparatus operates in a cut mode or a coagulation mode. The apparatus includes a power supply for providing a variable DC voltage, a short circuit detect circuit for detecting a short circuit at the bipolar electrode, and an open circuit detector for detecting an open circuit at the bipolar electrode.
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