Endoscope spray has fluid-pipe, distal end-spray nozzle, spiral duct, whirl chamber and end cap

摘要

The spray incorporates a pipe (2) for conveying fluid and which has a distal end joined to a spray-nozzle (1). The nozzle has at least one spiral duct (13) in front of the distal end of the pipe. The duct's outlet has a whirl chamber (20) and has an outflow opening (17) in the center of the front, spherically concave, inner surface (21) of the whirl chamber. The spray nozzle has a spiral element (12) on which is a spiral-shaped cavity, and has an end cap (16)