WATER JET SURGICAL INSTRUMENT

摘要

The invention relates to a water jet surgical instrument (10), comprising a feed line (22) for feeding a cutting fluid, and an ejection nozzle (11) for forming and ejecting a fluid jet at a predetermined expansion angle and/or at a predetermined discharge energy. A jet-forming device (12) is disposed relative to the ejection nozzle such that the fluid jet is or can be adjusted by the jet-forming device with respect to the expansion angle and/or the discharge energy thereof.