Endoscopic electrosurgical suction-irrigation instrument

Details Endoscopic electrosurgical suction-irrigation instrument Endoscopic electrosurgical suction-irrigation instrument

1994-05-23

1995-07-04

Rosenbaum, C. Fred

Surgery

Means for introducing or removing material from body for...

Infrared, visible light, ultraviolet, x-ray or electrical...

604 31, 604 34, 604167, A61M 100

Patent

active

054295963

ABSTRACT:
An endoscopic electrosurgical suction-irrigation instrument with insertable probes and attachments is disclosed. The instrument has a fluid chamber sealed at its proximal end with a slit valve for receiving the probes and connected at its distal end to a cannula through which the inserted probes extend. The fluid chamber is selectively provided with suction and/or irrigation and includes an electrical contact for supplying voltage to an inserted electrosurgical probe. Depending on the probe configuration suction and/or irrigation is provided in an annular space between the probe and the cannula or through the probe. Valves, connectors and switches for use with the instrument are also disclosed.

REFERENCES:
patent: 1740174 (1929-12-01), Hevern
patent: 4504264 (1985-03-01), Kelman
patent: 4617915 (1986-10-01), Arakawa
patent: 5071418 (1991-12-01), Rosenbaum
patent: 5147292 (1992-09-01), Kullas et al.
patent: 5186714 (1993-02-01), Boudreault et al.

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