Title:
LIQUID INJECTION DEVICE, AND SYSTEM AND CARTRIDGE UNIT THEREFOR
Document Type and Number:
WIPO Patent Application WO/2022/004876
Kind Code:
A1
Abstract:
Provided is a liquid injection device 1 for injecting a liquid into skin via a microneedle 10, the device being constituted from a cartridge unit 20 and a body 30. The cartridge unit comprises: a microneedle; a jetting hole 11 for jetting the liquid; a syringe part 21 for accommodating the liquid; and a gasket part 23 for pushing the liquid out towards the jetting hole from the syringe part. The body comprises, at least: a cartridge attachment part for detachably attaching the cartridge unit; and sliding parts 37, 38 that move, in the axial direction, the gasket part of the attached cartridge unit. The liquid injection device is thus configured to be usable while the cartridge unit is being exchanged.
Inventors:
YAMAZAKI IWAO (JP)
KOSUGI SATOSHI (JP)
KOSUGI SATOSHI (JP)
Application Number:
PCT/JP2021/025124
Publication Date:
January 06, 2022
Filing Date:
July 02, 2021
Export Citation:
Assignee:
YA MAN LTD (JP)
International Classes:
A61M37/00
Foreign References:
| KR20200019399A | 2020-02-24 | |||
| JP2005527249A | 2005-09-15 | |||
| JP2009000557A | 2009-01-08 | |||
| JP2014516634A | 2014-07-17 | |||
| JP2017525507A | 2017-09-07 |
Attorney, Agent or Firm:
SHIMBO Itsuki (JP)
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