Title:
NOZZLE ASSEMBLY, INJECTOR BODY, AND NEEDLE-FREE INJECTOR INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2020/256217
Kind Code:
A1
Abstract:
The present invention relates to a needle-free injector. A needle-free injector according to an embodiment of the present invention comprises: a nozzle assembly which stores a liquid drug therein and through which the liquid drug is ejected; and an injector body which applies pressure to the nozzle assembly so as to eject the liquid drug. The nozzle assembly includes: a nozzle container which is provided with a space for storing the liquid drug therein and has an ejection hole for ejecting the liquid drug; and a plunger which applies pressure to the liquid drug inside the nozzle container. The injector body includes: a piston connected to the plunger; a piston elastic member which applies an elastic force to the piston in a first direction in which the plunger applies the pressure to the liquid drug; a loading part which moves the piston to a locking position in a second direction that is the direction opposite to the first direction; and a locking part which locks the piston so as to stop the piston at the locking position, and unlocks same.
Inventors:
LEE JIEUN (KR)
Application Number:
PCT/KR2019/011611
Publication Date:
December 24, 2020
Filing Date:
September 09, 2019
Export Citation:
Assignee:
LEE JIEUN (KR)
International Classes:
A61M5/30; A61D1/02; A61M5/24; A61M5/315
Foreign References:
| KR101913544B1 | 2018-11-01 | |||
| KR101000589B1 | 2010-12-10 | |||
| KR101743475B1 | 2017-06-15 | |||
| KR20100023484A | 2010-03-04 | |||
| US20160038680A1 | 2016-02-11 |
Attorney, Agent or Firm:
KIM, Jungyun et al. (KR)
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