JP6169149B2 - マイクロニードル及びマイクロニードルパッチ - Google Patents
マイクロニードル及びマイクロニードルパッチ Download PDFInfo
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- JP6169149B2 JP6169149B2 JP2015220230A JP2015220230A JP6169149B2 JP 6169149 B2 JP6169149 B2 JP 6169149B2 JP 2015220230 A JP2015220230 A JP 2015220230A JP 2015220230 A JP2015220230 A JP 2015220230A JP 6169149 B2 JP6169149 B2 JP 6169149B2
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Landscapes
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- Media Introduction/Drainage Providing Device (AREA)
Description
0.7gの多孔性粒子のマトリックスを形成する生分解性高分子物質であるポリラクチド−co−グリコリド(PLGA)、及び0.3gのプルロニックF127を溶媒である3mlのジクロロメタンに溶解させ、混合溶液を形成する。前記混合溶液を0.5wt%のポリビニルアルコール(分子量は、13,000ないし23,000である)が溶解された100mlの蒸溜水に添加した後、ホモジナイザーを用いて90秒間高速で撹拌する。
0.5gの実施例1で製造した多孔性粒子を、生体可溶性物質である10gのヒアルロン酸と混合した後、これを500mlの蒸溜水に添加し、混合溶液を製造した。前記混合溶液は、図6Aに示したマイクロニードルの成形のためのキャビティ(MC)のアレイを有する鋳型1に塗布される。しわ改善のためのマイクロニードルパッチの共通基底部の厚さは、250μmないし300μmであり、これを考慮して、図6Bに示すように、鋳型1に前記混合溶液20Lを塗布した。前記蒸溜水は例示的であり、他の実施形態において、前記混合溶液の溶媒は、脱イオン水、マイクロニードルのマトリックスを構成する生体適合性材料に対しては良溶媒であるものの、多孔性粒子に対しては貧溶媒である、適合な新水性または親油性の極性溶媒である。
Claims (11)
- マイクロニードル状の生体適合性マトリックスと、
前記生体適合性マトリックスの表面上または内部の少なくとも一部に提供された多孔性粒子と、を含み、
前記多孔性粒子は複数の気孔を有し、
前記複数の気孔は、前記多孔性粒子の生体適合性マトリックス内に発泡構造を有し、
前記多孔性粒子は、薬学的、医学的または美容的有効物質を生体組織内に伝達するために、薬学的、医学的または美容的有効物質を含有する薬物キャリアとして機能し、
前記薬学的、医学的または美容的有効物質は、前記多孔性粒子の複数の気孔内にトラップされ、
前記多孔性粒子の複数の気孔は、開放型または閉鎖型気孔を含み、前記開放型または閉鎖型気孔の開口率は、前記有効物質の生体組織内の放出速度を制御するために調節されることを特徴とするマイクロニードル。 - マイクロニードル状の生体適合性マトリックスと、
複数の気孔を有する多孔性粒子を含み、前記生体適合性マトリックスの表面上または内部の少なくとも一部に提供されたフィラーと、を含み、
前記フィラーは、しわ除去のための効能を有し、
前記多孔性粒子の複数の気孔は、前記多孔性粒子の粒子ボディを構成するマトリックス内の発泡構造を有することを特徴とするマイクロニードル。 - マイクロニードル状の生体適合性マトリックスと、
前記生体適合性マトリックスの表面上または内部の少なくとも一部に提供された多孔性粒子と、を含み、
前記多孔性粒子は複数の気孔を有し、
前記複数の気孔は、前記多孔性粒子の生体適合性マトリックス内に発泡構造を有し、
前記多孔性粒子は、薬学的、医学的または美容的有効物質を生体組織内に伝達するために、薬学的、医学的または美容的有効物質を含有する薬物キャリアとして機能し、
前記薬学的、医学的または美容的有効物質は、前記多孔性粒子のマトリックス内に分散され、
前記多孔性粒子の複数の気孔は、開放型または閉鎖型気孔を含み、前記開放型または閉鎖型気孔の開口率は、前記有効物質の生体組織内の放出速度を制御するために調節されることを特徴とするマイクロニードル。 - 前記生体適合性マトリックスは、キトサン、コラーゲン、ゼラチン、ヒアルロン酸(HA)、アルギン酸、ペクチン、カラギーナン、コンドロイチン(スルフェート)、デキストラン(スルフェート)、ポリリジン、カルボキシメチルキチン、フィブリン、アガロース、プルラン、及びセルロースのうち少なくともいずれか一つである生体来由可溶性物質;ポリビニルピロリドン(PVP)、ポリエチレングリコール(PEG)、ポリビニルアルコール(PVA)、ヒドロキシプロピルセルロース(HPC)、ヒドロキシエチルセルロース(HEC)、ヒドロキシプロピルメチルセルロース(HPMC)、ナトリウムカルボキシメチルセルロース、ポリアルコール、アラビアガム、アルギネート、シクロデキストリン、デキストリン、葡萄糖、果糖、澱粉、トレハロース、グルコース、マルトース、ラクトース、ラクツロース、フルクトース、ツラノース、メリトース、メレジトース、デキストラン、ソルビトール、キシリトール、パラチニット、ポリ乳酸、ポリグリコール酸、ポリエチレンオキサイド、ポリアクリル酸、ポリアクリルアミド、ポリメタアクリル酸、及びポリマレイン酸のうち少なくともいずれか一つである生体適合物質;上述した物質の誘導体;またはこれらの混合物を含むことを特徴とする請求項1〜3のいずれかに記載のマイクロニードル。
- 前記生体適合性マトリックスは、生体来由可溶性物質を含むことを特徴とする請求項1〜3のいずれかに記載のマイクロニードル。
- 前記多孔性粒子は、ポリパラジオキサノン(PPDX)、ポリラクチド−co−グリコリド(PLGA)、ポリカプロラクトン、ポリ乳酸、ポリ無水物、ポリオルトエステル、ポリエーテルエステル、ポリエステルアミド、及びポリ酪酸のうちいずれか一つまたはその混合物を含むことを特徴とする請求項1〜3のいずれかに記載のマイクロニードル。
- 前記多孔性粒子の平均サイズは、0.01μmないし100μmの範囲内であることを特徴とする請求項1〜3のいずれかに記載のマイクロニードル。
- 前記生体適合性材料と前記多孔性粒子の総重量に対する前記多孔性粒子の重量比は、0.01wt%ないし95wt%の範囲内であることを特徴とする請求項1〜3のいずれかに記載のマイクロニードル。
- 前記有効物質は、タンパク質、ペプチド、遺伝子、抗体、痲酔剤、インシュリン、ワクチン、多糖類、合成有機化合物、合成無機化合物または美容成分を含むことを特徴とする請求項1〜3のいずれかに記載のマイクロニードル。
- 基板と、
前記基板上に形成された、請求項1〜3のいずれかに記載のマイクロニードルのアレイと、を含むことを特徴とするマイクロニードルパッチ。 - 前記基板及び前記マイクロニードルのアレイの前記生体適合性マトリックスは、同じ材料で形成されて一体化されたことを特徴とする請求項10に記載のマイクロニードルパッチ。
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KR20100037389A (ko) * | 2008-10-01 | 2010-04-09 | 연세대학교 산학협력단 | 다중 약물방출조절이 가능한 솔리드 마이크로구조체 및 이의 제조방법 |
JP2011012050A (ja) * | 2009-06-03 | 2011-01-20 | Bioserentack Co Ltd | 多孔性基盤を用いたマイクロニードル・アレイとその製造方法 |
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KR101549086B1 (ko) | 2015-09-02 |
US20160129164A1 (en) | 2016-05-12 |
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US10376615B2 (en) | 2019-08-13 |
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