Title:
TRANSDERMAL DELIVERY DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/164405
Kind Code:
A1
Abstract:
Each of a plurality of protruding parts (12) provided to a transdermal delivery device is provided with a column section (13) that extends from a first surface (11S) of a base (11) and has a cylinder shape, and a cone section (14) that extends from the top of the column section (13) and has a cone shape. In each of the plurality of protruding parts (12), the maximum angle (θ) of the top of the cone section (14), as viewed from the direction parallel to the first surface (11S), is 10° to 30°, the ratio of the length (L3) from the base to the tip of the cone section (14) to the length (L1) from the base to the tip of the protruding part (12) in the direction orthogonal to the first surface (11S) to is 0.45 to 0.75, and the distance (P) between the center of a protruding part (12) and another protruding part (12) closest to said protruding part (12), as viewed from the direction facing the first surface (11S), is 50 µm to 350 µm.
Inventors:
KATO HIROYUKI (JP)
Application Number:
PCT/JP2017/012152
Publication Date:
September 28, 2017
Filing Date:
March 24, 2017
Export Citation:
Assignee:
TOPPAN PRINTING CO LTD (JP)
International Classes:
A61M37/00
Domestic Patent References:
| WO2008020633A1 | 2008-02-21 | |||
| WO2015016235A1 | 2015-02-05 |
Foreign References:
| JP2010029634A | 2010-02-12 | |||
| JP2017071109A | 2017-04-13 | |||
| US20150030642A1 | 2015-01-29 |
Other References:
See also references of EP 3434314A4
Attorney, Agent or Firm:
ONDA, Makoto et al. (JP)
Download PDF: