Title:
HEAT-RESISTANT IMPLANTABLE POLYMER MICRONEEDLE AND PREPARATION METHOD THEREFOR AND APPLICATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2021/244630
Kind Code:
A1
Abstract:
A heat-resistant implantable polymer microneedle and a preparation method therefor and an application thereof. The microneedle comprises a needle tip, a needle body, and a base; the needle tip contains a homogeneous system formed by mixing a biodegradable macromolecular material which has a glass transition temperature of 35-65°C and is difficultly soluble in water and a macromolecular material having a glass transition temperature higher than the biodegradable macromolecular material. The microneedle has good heat resistance and puncture properties.
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Inventors:
GAO YUNHUA (CN)
ZHAO XIAOYU (CN)
ZHANG SUOHUI (CN)
ZHAO XIAOYU (CN)
ZHANG SUOHUI (CN)
Application Number:
PCT/CN2021/098279
Publication Date:
December 09, 2021
Filing Date:
June 04, 2021
Export Citation:
Assignee:
TECHNICAL INST OF PHYSICS AND CHEMISTRY OF THE CHINESE ACADEMY OF SCIENCES (CN)
International Classes:
A61K47/22; A61M37/00; A61K47/34; A61K47/38
Domestic Patent References:
| WO2019094349A1 | 2019-05-16 |
Foreign References:
| CN110448541A | 2019-11-15 | |||
| CN106659876A | 2017-05-10 | |||
| CN110882209A | 2020-03-17 |
Attorney, Agent or Firm:
BEIJING JANLEA PATENT AGENCY CO., LTD. (CN)
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