Device for bipolar high-frequency coagulation of biological tiss

Details Device for bipolar high-frequency coagulation of biological tiss Device for bipolar high-frequency coagulation of biological tiss

1986-03-06

1987-08-11

Cohen, Lee S.

Surgery

Truss

Pad

219234, 219241, A61B 1739

Patent

active

046854592

ABSTRACT:
A device for bipolar high-frequency coagulation of biological tissue between two contact faces of a coagulating instrument. The two contact faces are connected to an output of a high-frequency generator. A temperature sensor is arranged near each of the two contact faces. A circuit for evaluating the measured temperatures and/or the temperature differential controls the coagulation temperature and the shutoff of the high-frequency generator as a preselected temperature or temperature differential is exceeded. Moreover, an indicating device is provided for acoustically and/or optically indicating the temperatures on the contact faces as well as the temperature differential between the contact faces.

REFERENCES:
patent: 2596933 (1952-05-01), Kirk
patent: 3980861 (1976-09-01), Fukunaga
patent: 4074719 (1978-02-01), Semm
patent: 4322594 (1982-03-01), Brisson
patent: 4531524 (1985-07-01), Mioduski
Sugita et al., "Bipolar Coagulator . . . ", J. Neurosurg, vol. 41, Dec. 1974, pp. 777-779.

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