Title:
MICRONEEDLE ARRAY COATED WITH COMPOSITION CONTAINING PARTICLES
Document Type and Number:
WIPO Patent Application WO/2022/102709
Kind Code:
A1
Abstract:
The present invention provides a microneedle array wherein microneedles are coated with a composition that contains poorly water-soluble or water-insoluble particles having an average particle diameter of 1 μm or less, from 2% by weight to 20% by weight of a binder, and 60% by weight or more of water. This microneedle array is loaded with a uniform amount of poorly water-soluble or water-insoluble particles, while exhibiting good puncture properties.
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Inventors:
HAMAMOTO HIDETOSHI (JP)
ISHIBASHI MASAKI (JP)
NAKAE TAKASHI (JP)
KAWAHARA HARUKA (JP)
NAKAMURA JUN (JP)
ISHIBASHI MASAKI (JP)
NAKAE TAKASHI (JP)
KAWAHARA HARUKA (JP)
NAKAMURA JUN (JP)
Application Number:
PCT/JP2021/041530
Publication Date:
May 19, 2022
Filing Date:
November 11, 2021
Export Citation:
Assignee:
MEDRX CO LTD (JP)
International Classes:
A61M37/00
Foreign References:
| US20070264349A1 | 2007-11-15 | |||
| JP2007501839A | 2007-02-01 | |||
| JP2015504924A | 2015-02-16 | |||
| JP2012501355A | 2012-01-19 | |||
| CN106422045A | 2017-02-22 |
Attorney, Agent or Firm:
YAMAO, Norihito et al. (JP)
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