MICRONEEDLE CASTING SYSTEM AND MICRONEEDLE FABRICATION METHOD

WIPO Patent Application WO/2021/253465

A1

Disclosed are a microneedle casting system and a microneedle fabrication method, comprising a vacuum chamber, a motion platform, a first motion assembly, a liquid-filling needle assembly, a second motion assembly, and a controller; the motion platform is arranged in the vacuum chamber; the first motion assembly comprises a first transmission component and a first drive component that are connected to each other, the motion platform is connected to the first transmission component, and the first transmission component drives the motion platform to move in a first direction or/and a third direction being driven by the first drive component; the liquid-filling needle assembly comprises a liquid-dispensing tip and a liquid-filling needle shaft, and one end of the liquid-filling needle shaft extends into the vacuum chamber and connects to the liquid dispensing tip; the second motion assembly comprises a second transmission component and a second drive component which are connected to each other, the liquid-filling needle is connected to the second transmission component, and, driven by the second drive component, the second transmission component drives the liquid-filling needle to move in a second direction; the first drive component or/and the second drive component are communicatively connected to the controller. The invention enables quick uniform casting of a large flat microneedle casting mold.

LIU LONG (CN)
YAN PING (CN)
HUANG YUAN (CN)
QU QIUYU (CN)

PCT/CN2020/097466

December 23, 2021

June 22, 2020

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SUZHOU REVEDA MEDICAL CO LTD (CN)

A61M37/00; B29C33/36; B29C33/42

WO2014175310A1	2014-10-30
WO2008020631A1	2008-02-21

US20170361081A1	2017-12-21
CN110582320A	2019-12-17

SHANGHAI KELV PATENT AGENCY, LLP (CN)

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