An attachment for a gas-assisted electrosurgical device. The attachment has a housing having a channel within it, an electrosurgical blade and an electrical connector. The electrosurgical blade has a conductive member comprising an elongated distal portion and a proximal portion, the distal portion having a width greater than a width of the proximal portion, the width of the distal portion being at least three times the thickness of the distal portion, and a coating on at least a portion of said conductive member.
