Title:
MICRONEEDLE MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2023/146093
Kind Code:
A1
Abstract:
Provided in one embodiment of the present invention is a microneedle manufacturing method comprising the steps of: point-discharging raw materials, which contain pharmacological ingredients in microneedle intaglio parts, into a mold having the one or more microneedle intaglio parts including tip intaglio portions and reservoir intaglio portions that communicate with the tip intaglio portions; and inputting, into a pressing chamber, the mold in which the raw materials are contained, and pressing the raw materials by means of the internal pressure of the pressing chamber and filling with same, wherein, in the step of filling, the reservoir intaglio portions to the tip intaglio portions are filled with the raw materials.
Inventors:
KANG YOON SIK (KR)
IM JI YEON (KR)
EUM JAE HONG (KR)
LEE BOO YONG (KR)
KIM DONG HWAN (KR)
KANG BOK KI (KR)
IM JI YEON (KR)
EUM JAE HONG (KR)
LEE BOO YONG (KR)
KIM DONG HWAN (KR)
KANG BOK KI (KR)
Application Number:
PCT/KR2022/018656
Publication Date:
August 03, 2023
Filing Date:
November 24, 2022
Export Citation:
Assignee:
DAEWOONG THERAPEUTICS INC (KR)
International Classes:
A61M37/00; B29C33/40; B29C33/42; B29C39/40; B29L31/00
Foreign References:
| JP2019198479A | 2019-11-21 | |||
| KR20210050195A | 2021-05-07 | |||
| JP2020073023A | 2020-05-14 | |||
| KR20200106824A | 2020-09-15 | |||
| KR20190060363A | 2019-06-03 | |||
| KR102427901B1 | 2022-08-02 |
Attorney, Agent or Firm:
HANA IP LAW FIRM (KR)
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