US Patent 9011428 Electrosurgical device with internal digestor electrode

An electrosurgical wand is described, for treating a target tissue using electrosurgical energy, which has an elongate shaft with a handle end and a distal end. A first active electrode surface is disposed on the distal end of the shaft and a first digester electrode surface is recessed away from the first active electrode surface and electrically connected with the first active electrode surface. An aspiration aperture is also disposed adjacent the first active electrode surface and fluidly connected with an aspiration lumen, wherein the first digester electrode surface is disposed within the aspiration lumen.