A multi-functional endoscopic probe apparatus to selectively apply either a low or high frequency voltage to cut and cauterize. The apparatus has an elongated multi-lumen tube that is attached to a pistol grip having a multiplicity of functions contained thereon. The multi-lumen tube has a first lumen...http://www.google.de/patents/US5254117?utm_source=gb-gplus-sharePatent US5254117 - Multi-functional endoscopic probe apparatus
