Electrosurgical hemostatic device

Details Electrosurgical hemostatic device Electrosurgical hemostatic device

1997-04-04

1998-09-22

Peffley, Michael

Surgery

Instruments

Electrical application

606 45, 606 51, 2271801, A61B 1736

Patent

active

058108114

ABSTRACT:
An improved electro surgical instrument is provided for cauterization and/or welding of tissue of varying impedances, thicknesses and vascularity especially in the performance of endoscopic procedures. The instrument compresses the tissue between one pole of a bipolar energy source located on one interfacing surface, and a second interfacing surface. A second pole is located on one of the two interfacing surfaces. In a preferred embodiment, the second pole is located on the same interfacing surface as the first pole and an insulator electrically isolates the two poles. A preferred application of the invention is in a cutting instrument wherein a hemostatic line is formed along a cut line using RF energy.

REFERENCES:
patent: 4655216 (1987-04-01), Tischer
patent: 4671274 (1987-06-01), Sorochenko
patent: 5151102 (1992-09-01), Kamiyama et al.
patent: 5290287 (1994-03-01), Boebel et al.
patent: 5383880 (1995-01-01), Hooven
patent: 5389098 (1995-02-01), Tsurtuta et al.
patent: 5403312 (1995-04-01), Yates et al.
patent: 5465895 (1995-11-01), Knodel et al.

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