JP6311006B2 - 真皮内目的物質留置用マイクロニードル製剤投与部材及びマイクロニードル製剤迅速投与器具 - Google Patents
真皮内目的物質留置用マイクロニードル製剤投与部材及びマイクロニードル製剤迅速投与器具 Download PDFInfo
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- JP6311006B2 JP6311006B2 JP2016507179A JP2016507179A JP6311006B2 JP 6311006 B2 JP6311006 B2 JP 6311006B2 JP 2016507179 A JP2016507179 A JP 2016507179A JP 2016507179 A JP2016507179 A JP 2016507179A JP 6311006 B2 JP6311006 B2 JP 6311006B2
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Description
該ガイド筒の長さ方向に対して垂直及び平坦である先端面を備え、該先端面を含む少なくとも一部がガイド筒の内部に収納され、長さ方向に摺動する台座と、
該台座をガイド筒の先端部に向けて駆動する駆動手段とを有し、
該台座の先端面にマイクロニードル製剤が装着されてガイド筒の先端部からマイクロニードル製剤が押し出されるマイクロニードル製剤投与器具であって、
該マイクロニードルは、先端部を有し目的物質を含む第一部分と、基底部を有し目的物質を含まない第二部分とを、有し、
該台座の先端面の皮膚に対する衝突圧が1平方センチメートル当たり30N〜200Nであるマイクロニードル製剤投与器具を提供する。
該マイクロニードル製剤は、先端部を有し目的物質を含む第一部分と、基底部を有し目的物質を含まない第二部分とを、有し、
前記いずれかに記載の経皮吸収製剤投与器具の台座の先端面に装着して使用され、支持体の主表面が台座の先端面と同一の形状を有する経皮吸収製剤投与部材を提供する。
図1を参照して、3Dプリンタを使用して、下端は全て開口し、上端は中央に縦5mm、横5mmの四角形の穴が開口した、縦2.0cm、横2.0cm、長さ7.0cmの外形寸法を有する直方体のガイド筒1を作製した。ガイド筒1の下端の開口部は縦1.7cm、横1.7cmの四角形である。また、ガイド筒の側面の一つに縦に長い短冊状の穴を開口させて(非表示)、マイクロニードル製剤の位置を目視で確認できるようにした。
実施例1で作成したbFGFマイクロニードル・アレイ・チップを角形の投与器具に取り付けた。その際に用いる圧縮バネを種々に取り替えるとともにプランジャーの停止位置を変えることにより、1平方センチメートル当たり30N、40N、50Nの衝突圧を得られるようにした。なお、衝突圧の測定にはディジタルフォースゲージ(「FGP−50」(商品名)、日本電産シンポ工業)を用いた。
実施例1で作成した、一枚当たり0.6μgのbFGFを含有するマイクロニードル・アレイ・チップを角形の投与器具に取り付けた。50N/cm2の衝突圧が得られる圧縮バネを用いた。無麻酔下にて診察台に座った患者のほうれい線に沿ってマイクロニードル・アレイ・チップの5チップを1分間かけて次々と皮膚に穿刺した。1、3、6ヶ月後に患者の皮膚を観察したが色素沈着は無く、経時的に皮膚の肌理の著しい改善が認められた。
2…先端部、
3…フランジ、
4…台座、
5…プレート、
6…プランジャー棒、
7、21…マイクロニードル製剤、
8、20…支持体、
9…マイクロニードル、
10…マイクロニードル製剤投与部材、
11…駆動手段、
22…先端部、
23…基底部、
24…第一部分、
25…第二部分、
26…境界面。
Claims (13)
- 解放された先端部及び少なくとも部分的に閉止された後端部を有するガイド筒と、
該ガイド筒の長さ方向に対して垂直及び平坦である先端面を備え、該先端面を含む少なくとも一部がガイド筒の内部に収納され、長さ方向に摺動する台座と、
該台座をガイド筒の先端部に向けて駆動する駆動手段とを有し、
該台座の先端面にマイクロニードル製剤が装着されてガイド筒の先端部からマイクロニードル製剤が押し出されるマイクロニードル製剤投与器具であって、
該マイクロニードル製剤は、水溶性高分子物質の基剤に目的物質を保持させておき、皮膚に挿入した後、基剤が皮膚内の水分により溶解することにより、目的物質を皮膚内に投与する自己溶解型のマイクロニードル製剤であり、
該マイクロニードル製剤は、先端部を有し目的物質を含む第一部分と、基底部を有し目的物質を含まない第二部分とを、有し、
該第一部分と第二部分は、マイクロニードル製剤の底面と略平行な境界面を形成し、
該第一部分の強度は第二部分よりも低く又は脆くされており、
該台座の先端面の皮膚に対する衝突圧は、該第一部分を皮膚内に刺入して第一部分のみをその衝撃で破断させる衝撃力を与える強さである、マイクロニードル製剤投与器具。 - 前記第一部分は強度調節剤を含有し、該強度調節剤はマイクロニードル製剤の基剤の均質性を阻害する低分子物質である請求項1に記載のマイクロニードル製剤投与器具。
- 前記低分子物質は製剤用の賦形剤、白糖及びpH調節剤から成る群から選択される少なくとも一種である請求項1又は2に記載のマイクロニードル製剤投与器具。
- 前記衝突圧は、1平方センチメートル当たり5〜200Nである請求項1〜3のいずれか一項に記載のマイクロニードル製剤投与器具。
- 前記マイクロニードル製剤は、支持体と目的物質を保持する複数のマイクロニードル製剤とを有するマイクロニードル製剤投与部材の形態で台座の先端面に装着される請求項1〜4のいずれか一項に記載のマイクロニードル製剤投与器具。
- 前記駆動手段が台座の後端面とガイド筒の後端部の間に設置された弦巻バネ、電動式又はガス圧である請求項1〜5のいずれか一項に記載のマイクロニードル製剤投与器具。
- 前記目的物質が、皮膚の細胞に作用する各種の増殖因子及び該増殖因子を皮膚の細胞が産生することを促進する物質からなる群から選択される少なくとも一種の物質である請求項1〜6のいずれか一項に記載のマイクロニードル製剤投与器具。
- 前記目的物質が、塩基性線維芽細胞増殖因子(bFGF)、酸性線維芽細胞増殖因子(aFGF)、それらの遺伝子をコードする核酸及びプラスミドないし、それらの生成を刺激促進する物質である請求項1〜7のいずれか一項に記載のマイクロニードル製剤投与器具。
- 前記第一部分は、マイクロニードル製剤の先端部から300μm以下の挿入方向長さを有する請求項1〜8のいずれか一項に記載のマイクロニードル製剤投与器具。
- 前記マイクロニードル製剤は100〜1000μmの挿入方向長さを有する請求項1〜9のいずれか一項に記載のマイクロニードル製剤投与器具。
- 前記第一部分は真皮内に留置されて、目的物質は真皮層内のみに送達される請求項1〜10のいずれか一項に記載のマイクロニードル製剤投与器具。
- 支持体と目的物質を保持する複数のマイクロニードル製剤とを有するマイクロニードル製剤投与部材であって、
該マイクロニードル製剤は、水溶性高分子物質の基剤に目的物質を保持させておき、皮膚に挿入した後、基剤が皮膚内の水分により溶解することにより、目的物質を皮膚内に投与する自己溶解型のマイクロニードル製剤であり、
該マイクロニードル製剤は、先端部を有し目的物質を含む第一部分と、基底部を有し目的物質を含まない第二部分とを、有し、
該第一部分と第二部分は、マイクロニードル製剤の底面と略平行な境界面を形成し、
該第一部分の強度は第二部分よりも低く又は脆くされており、
請求項1〜11のいずれか一項に記載の経皮吸収製剤投与器具の台座の先端面に装着して使用され、支持体の主表面が台座の先端面と同一の形状を有するマイクロニードル製剤投与部材。 - 前記第一部分が強度調節剤を含有し、該強度調節剤はマイクロニードル製剤の基剤の均質性を阻害する低分子物質である請求項12に記載のマイクロニードル製剤投与部材。
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Application Number | Priority Date | Filing Date | Title |
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PCT/JP2014/056473 WO2015136639A1 (ja) | 2014-03-12 | 2014-03-12 | 真皮内目的物質留置用マイクロニードル製剤投与部材及びマイクロニードル製剤迅速投与器具 |
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JPWO2015136639A1 JPWO2015136639A1 (ja) | 2017-04-06 |
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EP3363491B1 (en) * | 2015-10-15 | 2019-12-11 | Toppan Printing Co., Ltd. | Administration instrument |
JP7008684B2 (ja) * | 2017-02-24 | 2022-01-25 | 久光製薬株式会社 | マイクロニードルデバイス |
CN108014413A (zh) * | 2017-12-18 | 2018-05-11 | 优微(珠海)生物科技有限公司 | 可溶性微针导入仪及其使用方法 |
KR102230277B1 (ko) * | 2018-03-12 | 2021-03-19 | 연세대학교 산학협력단 | 적층형 마이크로 구조체 및 적층형 마이크로구조체 어플리케이터 |
KR102289563B1 (ko) * | 2019-03-08 | 2021-08-13 | 주식회사 페로카 | 내부 기둥쉘을 포함하는 3층 이상 구조의 마이크로 니들 및 이의 제조방법 |
CN109876197B (zh) * | 2019-04-09 | 2024-05-10 | 珠海天威增材有限公司 | 一种3d打印皮肤及其制备方法 |
JP2021040977A (ja) * | 2019-09-11 | 2021-03-18 | 株式会社ライトニックス | 薬物投与デバイス |
CN111544759B (zh) * | 2020-04-26 | 2022-02-25 | 优微(珠海)生物科技有限公司 | 一种祛除黑眼圈的微针贴片及其制备方法 |
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AR050608A1 (es) | 2004-08-19 | 2006-11-08 | Alza Corp | Aparato y metodo para administracion transdermica de factores de crecimiento endotelial vascular |
EP1844763B2 (en) | 2005-01-31 | 2022-09-07 | BioSerenTach Co., Ltd. | Percutaneously absorbable preparation, percutaneously absorbable preparation holding sheet, and percutaneously absorbable preparation holding equipment |
US7918814B2 (en) * | 2006-05-02 | 2011-04-05 | Georgia Tech Research Corporation | Method for drug delivery to ocular tissue using microneedle |
CA2660392A1 (en) * | 2006-08-24 | 2008-02-28 | F. Hoffmann-La Roche Ag | Insertion device for insertion heads, in particular for infusion sets |
AU2008327083B2 (en) | 2007-11-21 | 2014-01-16 | Bioserentach Co., Ltd. | Preparation for application to body surface and preparation holding sheet for application to body surface |
WO2009107806A2 (ja) * | 2008-02-29 | 2009-09-03 | 株式会社メドレックス | マイクロニードルの皮膚内への挿入方法及び該方法に使用する補助器具 |
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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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JP2012254952A (ja) * | 2011-06-08 | 2012-12-27 | Bioserentack Co Ltd | 経皮吸収製剤 |
EP2641614B1 (en) | 2011-06-28 | 2020-12-30 | Labo Juversa Co., Ltd. | Pharmaceutical preparation integrated with microneedles for skin treatment |
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