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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)
Application Number:
PCT/KR2021/018815
Publication Date:
August 04, 2022
Filing Date:
December 10, 2021
Export Citation:
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Assignee:
JEISYS MEDICAL INC (KR)
International Classes:
A61M5/30; A61M5/20
Foreign References:
KR20190128338A2019-11-18
KR101207977B12012-12-04
KR200379423Y12005-03-18
KR20190121486A2019-10-28
KR102149190B12020-08-28
Attorney, Agent or Firm:
BLT PATENT & LAW FIRM (KR)
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