A surgical instrument assembly for use in snare cauterization operations includes a tubular sheath member, a cauterization loop, and a wire operatively connected to the loop, the wire passing longitudinally through the sheath. An electrical supply is connected to the wire for feeding an electrical current...http://www.google.se/patents/US5486182?utm_source=gb-gplus-sharePatent US5486182 - Polyp retrieval assembly with separable web member
