Patent ID: 6896674

Claim:
An electrosurgical apparatus for resecting and ablating tissue at a target site, comprising: a shaft having a shaft distal end portion and a shaft proximal end portion; at least one aspiration port coupled to an aspiration lumen, the aspiration lumen disposed within the shaft; at least one digestion electrode arranged within the aspiration lumen, the at least one digestion electrode being coupled to a high frequency power supply and serving as an active electrode, and the at least one digestion electrode being capable of ablation of tissue fragments; and a resection unit located at the shaft distal end portion, the resection unit including a resection electrode support arranged on said distal end portion and at least one resection electrode arranged on the resection electrode support, wherein the at least one resection electrode includes a cutting edge extending away from the resection electrode support and is capable of ablating and mechanically resecting the tissue at the target site.