摘要: The invention provides a variety of surgical instruments for forming liquid jet, which are useful performing wide procedures. In some embodiments, the jet having pressure lumen and an evacuation lumen, where includes at least one nozzle jet-receiving opening receiving when instrument is in operation. constructed positionable relative to each other so that comprising any tissue or material entrained by can be evacuated through without need external source suction. also configured specifically use surrounding environment gaseous environment. rotatably deployable from undeployed position, insertion into body patient, deployed there separation distance between defines path length. methods utilizing inventive instruments, components instruments.