MEDICAL SPRAY SYRINGE

PURPOSE:To enables disassembling and cleaning of an air valve for opening or closing a compressed air easily without the spillage of a liquid from a part other than the tip of a nozzle in the releasing of a residual pressure of a bottle for liquid, and moreover, the loading or unloading of a container for liquid, a spray nozzle or a supply tube of the compressed air simply and accurately. CONSTITUTION:This medical spray syringe 20 is provided with a syringe body 21 for housing an air valve 40, a container 22 for liquid to be freely removably mounted on the syringe body 21, a nozzle 35 to be freely removably mounted on the syringe body 21, a connector part 70 on which a tube 71 is freely removably mounted to supply a compressed air from outside and the like. When an operation lever 41 is pressed, the air valve 40 is opened, the compressed air is branched off into two vent pipelines 26 and 33 and one thereof 33 communicates with an air pipeline 34 of the nozzle 35 so that the compressed air is supplied to the nozzle 35. The other vent pipeline 26 communicates with the inside of the container 22 for liquid and liquid 29 iis supplied to the nozzle 35 through conduits 30 and 32 for liquid.