Title:
NEEDLE-FREE INJECTOR BASED ON UNDERWATER DISCHARGE USING SHOCK WAVE
Document Type and Number:
WIPO Patent Application WO/2022/164016
Kind Code:
A1
Abstract:
A needle-free injector based on underwater discharge using a shock wave according to an embodiment of the present invention comprises: a pressure chamber in which a driving fluid is stored; a medication chamber which is connected to the pressure chamber and in which a medication is stored; a pressure transfer part provided between the pressure chamber and the medication chamber and applying a propelling pressure to the medication stored in the medication chamber when a capacity of the pressure chamber expands; a spray unit provided at one side of the medication chamber to discharge the medication; and an electrode part which causes a breakdown of and bubble generation in the driving fluid stored in the pressure chamber to generate the shock wave, thereby expanding the capacity of the pressure chamber.
Inventors:
SEO KYU YOUNG (KR)
LEE SEUNG WOOK (KR)
KIM SI YOUN (KR)
KIM MIN YOUNG (KR)
YI WON JU (KR)
KANG DONG HWAN (KR)
LEE SEUNG WOOK (KR)
KIM SI YOUN (KR)
KIM MIN YOUNG (KR)
YI WON JU (KR)
KANG DONG HWAN (KR)
Application Number:
PCT/KR2021/018815
Publication Date:
August 04, 2022
Filing Date:
December 10, 2021
Export Citation:
Assignee:
JEISYS MEDICAL INC (KR)
International Classes:
A61M5/30; A61M5/20
Foreign References:
KR20190128338A | 2019-11-18 | |||
KR101207977B1 | 2012-12-04 | |||
KR200379423Y1 | 2005-03-18 | |||
KR20190121486A | 2019-10-28 | |||
KR102149190B1 | 2020-08-28 |
Attorney, Agent or Firm:
BLT PATENT & LAW FIRM (KR)
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