Surgery – Instruments – Electrical application
Patent
1992-03-31
1994-01-25
Cohen, Lee S.
Surgery
Instruments
Electrical application
606 48, 606 50, A61B 1739
Patent
active
052812162
ABSTRACT:
An electrosurgical bipolar treating apparatus comprising a handpiece to which is connected a first active electrode and a second return electrode having exposed distal ends which define a bipolar tip for electrosurgically treating tissue at an operational site on a patient, which tip is structured so that both distal ends simultaneously contact said tissue and wherein the active electrode has a higher tissue to electrode impedance than the return electrode.
REFERENCES:
patent: 4043342 (1977-08-01), Morrison, Jr.
patent: 4074718 (1978-02-01), Morrison, Jr.
patent: 4228800 (1980-10-01), Degler, Jr. et al.
patent: 4706667 (1987-11-01), Roos
patent: 5013312 (1991-05-01), Parins et al.
Akers Lawrence C.
Cohen Lee S.
Dryer Mark
Richardson Peter C.
Valleylab Inc.
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