Title:
TRANSDERMAL DRUG DELIVERY PATCH AND METHOD FOR PREPARING SAME
Document Type and Number:
WIPO Patent Application WO/2019/221318
Kind Code:
A1
Abstract:
A transdermal drug delivery patch according to one embodiment of the present invention comprises a flexible base layer and a plurality of microneedles disposed on one side of the base layer. Each of the plurality of microneedles contains a biodegradable polymer and a drug and has a hollow space therein. Each of the plurality of microneedles is formed of a star-shaped pyramid including a plurality of radially extending protrusions, wherein among the plurality of protrusions, two protrusions adjacent to each other in an edgewise direction have a concave portion therebetween.
Inventors:
LIM GEUNBAE (KR)
LEE JUNGHO (KR)
CHOI BYOUNGSUN (KR)
WOO HYEONSU (KR)
LEE JUNGHO (KR)
CHOI BYOUNGSUN (KR)
WOO HYEONSU (KR)
Application Number:
PCT/KR2018/005738
Publication Date:
November 21, 2019
Filing Date:
May 18, 2018
Export Citation:
Assignee:
POSTECH ACAD IND FOUND (KR)
SHIL LA IND CO LTD (KR)
SHIL LA IND CO LTD (KR)
International Classes:
A61M37/00; A61K9/00; A61K9/70; B29C33/38; B29C35/08; B29C41/10; B29L31/00
Foreign References:
| JP2017144307A | 2017-08-24 | |||
| KR20180046829A | 2018-05-09 | |||
| KR20180031321A | 2018-03-28 | |||
| KR101728526B1 | 2017-04-19 | |||
| KR101692266B1 | 2017-01-03 |
Other References:
See also references of EP 3795206A4
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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