Title:
DRUG INJECTION DEVICE HAVING RECIPROCATING NEEDLE
Document Type and Number:
WIPO Patent Application WO/2021/230582
Kind Code:
A1
Abstract:
The present invention relates to a drug injection device having a reciprocating needle, the drug injection device comprising: a main body; an injection port formed through an outer circumferential surface of the body; a drug chamber in communication with the injection port to inject a drug therethrough; an actuator reciprocating along a longitudinal direction of the body in a state in which a portion thereof is inserted into the body; a moving plate coupled to one end of the actuator positioned inside the body and installed at an inner wall of the body while being in close contact therewith; a unidirectional valve provided at the moving plate and opened when the actuator moves the moving plate in a direction away from a skin; and a needle communicating with the unidirectional valve and penetrating the skin to inject the drug.
Inventors:
SEO SUK BAE (KR)
KIM JA YOUNG (KR)
SEO HO JOON (KR)
KIM JA YOUNG (KR)
SEO HO JOON (KR)
Application Number:
PCT/KR2021/005761
Publication Date:
November 18, 2021
Filing Date:
May 07, 2021
Export Citation:
Assignee:
JEISYS MEDICAL INC (KR)
International Classes:
A61M5/32; A61M5/158; A61M5/31; A61M37/00
Foreign References:
| KR20180113743A | 2018-10-17 | |||
| KR20170056555A | 2017-05-23 | |||
| JP2018501053A | 2018-01-18 | |||
| KR20190071158A | 2019-06-24 | |||
| KR20200038135A | 2020-04-10 | |||
| KR102241500B1 | 2021-04-16 |
Attorney, Agent or Firm:
BLT PATENT & LAW FIRM (KR)
Download PDF: