The present invention provides a novel and most useful working tool for a resectoscope, adapted to side-to-side resection of biological tissue using predetermined lateral movement. Said resectoscope is adapted to either cold or hot resection and is either flexible or rigid. The present invention also...http://www.google.com/patents/US20050171531?utm_source=gb-gplus-sharePatent US20050171531 - Working tool for accurate lateral resection of biological tissue and a method for use thereof