Importance

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Abstract

A surgical instrument for performing three functions at the tip of a tube. The first function is for suction or irrigation of an area where surgery is being performed. The tubing can have a vacuum attached for sucking solid particles, liquids, gases or smoke from the area adjacent the end of the tubing. The tubing may also be used to pump fluids into the area adjacent the end of the tube to flush the area or apply a treatment. The tubing has an electrical current such that when the tube is applied to blood it will coagulate the blood. The tubing also has a cutting electrode for electrically cutting tissue. The cutting electrode extends out from the lumen of the tube and retracts therein when not in use. Therefore a surgeon has three instruments compactly arranged at his disposal at the distal end of the tube. Since the tube can be made long and thin it is useful when operating in a limited space and can be used in laparascopic or other microsurgeries. The tube is malleable for shaping it for ease of use. Thus the surgeon can electrically cut, suck out blood, smoke and other debris and electrically coagulate blood all with one instrument and at preferred angles or shapes.

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