Needleless injector provided with multiple nozzles and method for manufacturing same

Abstract

The present invention relates to a needleless injector provided with multiple nozzles, and more particularly, to the technical field of a needleless injector provided with multiple nozzles, which injects a liquid medicine by means of an injection nozzle as a pressure-generating liquid is expanded by energy generated by a pressure generating unit, and a method for manufacturing the same, and to the technical field of a needleless injector provided with multiple nozzles and a method for manufacturing the same. Precise branch flow paths are stably formed so that a plurality of injection nozzles can be used to inject drugs to a plurality of places. Furthermore, the present invention can achieve the effects of closely arranging the pitch between the nozzles by means of one energy generation unit, and shortening the operation time by means of a plurality of injection nozzles when multiple injections are required to be performed on an affected part; and an effect of forming a more stable and precise branch flow path by inserting and coupling the inner chamber to the inside of the outer chamber or insert-molding the inner chamber, thereby stably injecting a plurality of drugs to the affected part through the plurality of injection nozzles.

Description

technical field [0001] The present invention relates to a needle-free injector equipped with multiple nozzles, and more specifically, relates to a technical field related to a needle-free injector equipped with multiple nozzles and a manufacturing method thereof. The generated liquid is expanded by the energy generated by the pressure generating unit to spray the chemical liquid through the spray nozzle, and stably forms precise branch flow paths so that the medicine can be sprayed to multiple places with a plurality of spray nozzles. Background technique [0002] A drug delivery system is designed to minimize the side effects that occur in existing methods when using medicines for treating diseases or wounds in the human body, and to maximize the therapeutic effects of medicines so that the necessary amount can be delivered A dosage form for effective drug delivery into the body. Among various drug delivery methods introduced so far, injection using a needle is most used b...

AI Technical Summary

Problems solved by technology

[0008] However, the problem with this conventional micro-jet injector is that only one drug injection nozzle is formed, so that a momentary high-energy transfer will carry out a drug transfer, and when it is necessary to transfer the drug to an operation or the like , correspondingly, the operation time is longer

[0009] In order to solve such problems, it has also been tried to make the conventional micro-jet injector equipped with a plurality of nozzles to use, but the increase in the number of injection nozzles will cause the pressure of injection to decrease, so there is a problem in increasing the injection nozzle. Quantitatively limited problems

[0010] In addition, conventional micro-jet injectors have the problem that the increase in the number of injection nozzles leads to a corresponding increase in the number of branches of the liquid medicine, and it is difficult to precisely form the flow paths.

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