JP2007523771A5 - - Google Patents

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Publication number
JP2007523771A5
JP2007523771A5 JP2006554275A JP2006554275A JP2007523771A5 JP 2007523771 A5 JP2007523771 A5 JP 2007523771A5 JP 2006554275 A JP2006554275 A JP 2006554275A JP 2006554275 A JP2006554275 A JP 2006554275A JP 2007523771 A5 JP2007523771 A5 JP 2007523771A5
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Japan
Prior art keywords
negative
insert
plastic material
microneedle
cavity
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JP2006554275A
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English (en)
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JP2007523771A (ja
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Priority claimed from PCT/US2005/005466 external-priority patent/WO2005082596A1/en
Publication of JP2007523771A publication Critical patent/JP2007523771A/ja
Publication of JP2007523771A5 publication Critical patent/JP2007523771A5/ja
Withdrawn legal-status Critical Current

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Claims (6)

  1. マイクロニードル形態のネガ像を特徴とするネガ型インサートを提供する工程であって、マイクロニードルの少なくとも1つのネガ像が約2:1〜約5:1のアスペクト比を特徴とする工程、
    前記ネガ型インサートを射出成形装置に移す工程であって、前記ネガ型インサートが露出し、ネガ型キャビティの構造化表面を画定する工程、
    前記ネガ型キャビティを成形可能なプラスチック材料の軟化温度より高い温度に加熱する工程、
    前記ネガ型キャビティとは別々のチャンバ内で、前記成形可能なプラスチック材料を、少なくとも、前記成形可能なプラスチック材料の溶融温度に加熱する工程、
    前記溶融プラスチック材料を前記加熱したネガ型キャビティの中に射出する工程、
    前記溶融プラスチック材料を、前記ネガ型インサートによって画定されるネガ形の窪みの容積の少なくとも約90%に充填させる工程、
    前記溶融プラスチック材料を、前記成形可能なプラスチック材料の軟化温度より低い温度に冷却する工程、および、
    前記成形されたマイクロニードルアレイを前記ネガ型インサートから取り外す工程、
    を含む、成形されたマイクロニードルアレイの製造方法。
  2. 前記ネガ型キャビティが前記成形可能なプラスチック材料の軟化温度より約10℃高い温度よりも高い温度に加熱される、請求項1に記載の方法。
  3. 前記ネガ型インサートが、
    マイクロニードル形態を特徴とするポジ型マスター部材を提供する工程であって、少なくとも1つのマイクロニードルが約2:1〜約5:1のアスペクト比を特徴とする工程、
    前記ポジ型マスターの周囲にネガ型インサートを電鋳する工程、および
    前記ネガ型インサートを前記ポジ型マスター部材から取り外す工程、
    により形成される、請求項1又は2に記載の方法。
  4. マイクロニードル形態を特徴とするポジ型マスター部材を提供する工程であって、少なくとも1つのマイクロニードルが約2:1〜約5:1のアスペクト比を特徴とする工程、
    前記ポジ型マスターの周囲にネガ型インサートを電鋳する工程、および
    前記ネガ型インサートを前記ポジ型マスター部材から取り外す工程、
    を含む、成形されたマイクロニードルアレイの作製に使用されるネガ型インサートの製造方法。
  5. 請求項4に記載の方法により作製されるネガ型インサートを提供する工程、
    前記ネガ型インサートを成形装置に移す工程であって、前記ネガ型インサートが露出し、ネガ型キャビティの構造化表面を画定する工程、
    前記加熱されたプラスチック材料を前記ネガ型キャビティの中に提供する工程、
    前記加熱されたプラスチック材料を、前記ネガ型インサートによって画定されるネガ形の窪みの容積の少なくとも約90%に充填させる工程、
    前記プラスチック材料を、少なくとも、前記プラスチック材料の軟化温度より低い温度に冷却する工程、および、
    前記成形されたマイクロニードルアレイを前記ネガ型インサートから取り外す工程、
    を含む、成形されたマイクロニードルアレイの製造方法。
  6. 請求項1〜5のいずれか1項に記載の方法により製造される製品。
JP2006554275A 2004-02-23 2005-02-22 マイクロニードルアレイの成形方法 Withdrawn JP2007523771A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US54678004P 2004-02-23 2004-02-23
PCT/US2005/005466 WO2005082596A1 (en) 2004-02-23 2005-02-22 Method of molding for microneedle arrays

Publications (2)

Publication Number Publication Date
JP2007523771A JP2007523771A (ja) 2007-08-23
JP2007523771A5 true JP2007523771A5 (ja) 2008-03-21

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Family Applications (1)

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JP2006554275A Withdrawn JP2007523771A (ja) 2004-02-23 2005-02-22 マイクロニードルアレイの成形方法

Country Status (4)

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US (1) US20070191761A1 (ja)
EP (1) EP1718452A1 (ja)
JP (1) JP2007523771A (ja)
WO (1) WO2005082596A1 (ja)

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