Electrosurgical generator and suction apparatus

Details Electrosurgical generator and suction apparatus Electrosurgical generator and suction apparatus

1991-04-30

1992-11-03

Cohen, Lee S.

Surgery

Instruments

Electrical application

606 38, 606 45, 606 49, 604 35, A61B 1739

Patent

active

051603349

ABSTRACT:
An electrosurgical unit which combines an electrosurgical power generator and a filtered smoke removal system into a single compact instrument comprising an electrosurgical generator module and a smoke removal module. The electrosurgical generator module is designed specifically to accommodate an electrosurgical tool during LEEP or LLETZ procedures. The electrosurgical generator module provides power to the electrosurgical tool at a predetermined level. The smoke removal module removes and filters smoke from the site of the electrosurgery. A switching circuitry activates the smoke removal module substantially simultaneous to the activation of the electrosurgical tool so that the smoke removal module is activated automatically whenever the electrosurgical tool is activated. The switching circuitry also delays the deactivation of the smoke removal module for a predetermined amount of time after the electrosurgical tool has been deactivated. The electrosurgical tool alternatively can be connected, concentrically or in parallel, to a smoke evacuation tube in communication with the smoke removal module.

REFERENCES:
patent: 2275167 (1942-03-01), Bierman
patent: 4562838 (1986-01-01), Walker
patent: 4719914 (1988-01-01), Johnson
patent: 5035695 (1991-07-01), Weber, Jr. et al.
patent: 5071418 (1991-12-01), Rosenbaum
Stackhouse Incorporation, Nov. 90-5M Product Catalog, "Laser Smoke Filtration Systems--Point One.TM. and the LFA-100 Systems and Accessories."
Birtcher Corporation Product Catalog, Mar. 1990, two pages, "The Model 774 Electrosurgery Generator."
Valleylab Product Catalog, 2 pages, "Valleylab generators: When performance counts, we've got the numbers."

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