Patent ID: 6214001
Filing Date: 2001-04-10
Classification: A61B

Abstract:
A surgical apparatus, comprising:a surgical instrument including a housing and a cannula, the cannula attached at a proximal end to the housing and defining at a distal end thereof an opening, the housing containing a drive interface, the surgical instrument further including a first electrical member suitable for switchable coupling to a power supply, the first electrical member including a brush; anda surgical tool including a shaft and a tip, the tip located in the opening and including at least one conducting portion, the shaft contained within the cannula and the shaft mechanically and electrically coupled at a distal end to the tip, and at a proximal end, to the drive interface and an electrical interface, and the drive interface producing a surgical motion of the tip, and the electrical interface producing a cauterizing action at the at least one conducting portion of the tip, the surgical tool further including a second electrical member, located at the proximal end of the shaft and a commutator electrically coupling the first electrical member to the shaft to form the electrical interface.