MICRONEEDLE PATCH

To provide a microneedle patch that prevents a microneedle array from remaining on skin when peeled from the skin.SOLUTION: A microneedle patch according to an embodiment includes a support, an adhesive layer provided on the principal face of the support, and a microneedle array that is at least par...

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Bibliographische Detailangaben
Hauptverfasser:	TATEISHI TETSUO, KUWABARA TETSUJI, TANAKA AKIRA, WAKAMATSU MASATO, ONO MASAFUMI, TSURUSHIMA KEIICHIRO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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Beschreibung
Zusammenfassung:	To provide a microneedle patch that prevents a microneedle array from remaining on skin when peeled from the skin.SOLUTION: A microneedle patch according to an embodiment includes a support, an adhesive layer provided on the principal face of the support, and a microneedle array that is at least partially situated in the adhesive layer. The adhesive layer includes a water-soluble polymer with a total amount of 11-20 mass%, sodium carboxymethyl cellulose of 3.5-7 mass%, and a partially neutralized polyacrylic acid of 2 mass% or more and less than 5 mass%, and a crosslinker of 0.22-1 mass%.SELECTED DRAWING: Figure 1 【課題】皮膚から剥がす際にマイクロニードルアレイが皮膚上に残らないマイクロニードル貼付剤を提供すること。【解決手段】一例に係るマイクロニードル貼付剤は、支持体と、支持体の主面に設けられた粘着剤層と、少なくとも一部が粘着剤層内に位置するマイクロニードルアレイとを備え、粘着剤層が、総量が１１～２０質量％である水溶性高分子と、３．５～７質量％であるカルボキシメチルセルロースナトリウムと、２質量％以上かつ５質量％未満であるポリアクリル酸部分中和物と、０．２２～１質量％である架橋剤とを含む。【選択図】図１