Needleless syringe having multi-nozzle and manufacturing method therefor

Abstract

The present disclosure relates to a needleless syringe having a multi-nozzle which includes an upper housing defining a chamber for containing a pressure-generating liquid and including a pressure-generating unit at an upper portion of the upper housing, a lower housing configured to contain a drug solution and coupled to a lower portion of the upper housing, an elastic membrane disposed between the upper housing and the lower housing to separate the pressure-generating liquid from the drug solution, an outer chamber attached to a lower portion of the lower housing and having an insertion portion in fluid communication with an interior of the lower housing, an inner chamber inserted into the insertion portion, the inner chamber having a plurality of branch grooves on an outer surface of the inner chamber, and a plurality of injection nozzles coupled to a lower portion of the inner chamber.