Bipolar electrosurgical forceps

Details Bipolar electrosurgical forceps Bipolar electrosurgical forceps

1992-08-21

1993-11-02

Rosenbaum, C. Fred

Surgery

Instruments

Forceps

606 32, 606 40, 606 49, 606 50, 606 51, 606 52, A61B 1742

Patent

active

052580067

ABSTRACT:
An instrument for cauterizing blood vessels while performing an endoscopic procedure includes a rigid outer tube with a proximal end, a distal end and an inner, semi-rigid, tube passing through the outer tube from its proximal end to its distal end. The inner tube has at least one lumen allowing passage of a pair of conductive leads therethrough. The leads terminate at the distal end of the tube in a pair of forceps jaws. The leads are mechanically connected to a scissors-style handle and are electrically connected to an RF generator. The outside diameter of the outer tubular body is sufficiently small that it can readily pass through the working lumen of an endoscope. Associated with the handle is a knob for rotating the inner tube and the conductive leads. The handle also contains a means for effecting translational motion of the inner tube within the outer tube and over the forceps and a means for introducing a preset gap to prevent complete closure of the forceps' jaws.

REFERENCES:
patent: 3920021 (1975-11-01), Hiltebrandt
patent: 4003380 (1977-01-01), Wien
patent: 4005714 (1977-02-01), Hiltebrandt
patent: 4452546 (1984-06-01), Hiltebrandt et al.
patent: 4461305 (1984-07-01), Cibley
patent: 4532924 (1985-08-01), Auth et al.
patent: 4977900 (1990-12-01), Fehling et al.
patent: 5009661 (1991-04-01), Michelson
patent: 5078717 (1992-01-01), Parins et al.
U.S. Sir H1028, Mar. 3, 1992, Falk et al.

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