Title:
MICRONEEDLE ARRAY
Document Type and Number:
Japanese Patent JP2016067681
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a microneedle array having a sheet part on a substrate, capable of suppressing cracks of the sheet part when being dried (namely, when the microneedle array is stored in a state that a residual moisture content is reduced).SOLUTION: A microneedle array 110 comprises: a substrate 29; a sheet part 116 on the substrate; and a needle part 112 on the sheet part. The needle part includes a water soluble polymer and medicine, and the sheet part includes a cellulose derivative and/or polyvinyl alcohol, in which a total content of the cellulose derivative and/or polyvinyl alcohol on the sheet part is equal to or more than 30 mass% to whole mass of the water soluble polymer forming the sheet part, and equal to or more than 50 mass% of the medicine is included in the needle part.SELECTED DRAWING: Figure 1
Inventors:
SHIMADA TOSHIO
Application Number:
JP2014201425A
Publication Date:
May 09, 2016
Filing Date:
September 30, 2014
Export Citation:
Assignee:
FUJIFILM CORP
International Classes:
A61M37/00; A61K9/00; A61K38/27; A61K39/00; A61K47/32; A61K47/34; A61K47/38
Domestic Patent References:
| JP2014004077A | 2014-01-16 |
Foreign References:
| US20090182306A1 | 2009-07-16 | |||
| WO2014077244A1 | 2014-05-22 |
Attorney, Agent or Firm:
Patent Service Corporation Patent Office Sykes
Previous Patent: A long object insertion supporting tool for medical science, and a long object set for medical scien...
Next Patent: Game machine
Next Patent: Game machine