JP2005514113A5 - - Google Patents

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Publication number
JP2005514113A5
JP2005514113A5 JP2003557626A JP2003557626A JP2005514113A5 JP 2005514113 A5 JP2005514113 A5 JP 2005514113A5 JP 2003557626 A JP2003557626 A JP 2003557626A JP 2003557626 A JP2003557626 A JP 2003557626A JP 2005514113 A5 JP2005514113 A5 JP 2005514113A5
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solution
temperature
tissue
glutaraldehyde
period
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JP2003557626A
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JP2005514113A (ja
JP4555570B2 (ja
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Priority claimed from US10/039,367 external-priority patent/US6878168B2/en
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Claims (14)

  1. 生物補綴材料の移植後の石灰化を緩和する方法であって、該方法は、以下の工程:
    (a)第1の期間の間、グルタルアルデヒド溶液を第1の温度まで加熱する工程;
    (b)該グルタルアルデヒド溶液の温度を第2の温度に調整する工程;および
    (c)該グルタルアルデヒド溶液の温度が該第2の温度に調整された後に、結合組織タンパク質を含む一定量の生物学的組織を、該グルタルアルデヒド溶液と、第2の期間の間接触させる工程、
    を包含する、方法。
  2. 予め決定された終点に達するまでの一定期間、前記第1の温度が維持され、該予め決定された終点は、以下:
    前記溶液の遊離アルデヒド含有量における約25%以上の減少;
    約7.4から約6.0への、該溶液のpHの低下;
    該溶液のpHの、約20%の低下;および
    黄色または茶色への該溶液の色の変化、
    から選択される少なくとも1つの指標により示される、請求項1に記載の方法。
  3. 前記第1の温度が約70±5℃である、請求項に記載の方法。
  4. 前記第1の温度が約70℃以上であり、前記第2の温度が約60℃以下である、請求項に記載の方法。
  5. 前記第1の期間が、1時間〜6ヶ月間である、請求項に記載の方法。
  6. 前記組織が、工程(c)の実施前に少なくとも部分的に固定される、請求項1に記載の方法。
  7. 前記方法がさらに、以下の工程:
    0.1〜25重量%のグルタルアルデヒドの溶液を調製する工程;
    工程(a)において該グルタルアルデヒド溶液を約20〜90℃に加熱する工程;
    該第2の温度を約60℃以下に調整する工程;および
    その後、工程(c)において該グルタルアルデヒド溶液中に前記組織を浸しながら、該溶液の温度を約40℃〜60℃の範囲で1日〜2ヶ月維持する工程、
    を包含する、請求項1に記載の方法。
  8. 前記組織を生物汚染度減少プロセスに供する工程をさらに包含する、請求項に記載の方法。
  9. 前記組織を生物汚染度減少プロセスに供する工程が、界面活性剤、アルデヒド、およびアルコールを含有する生物汚染度減少溶液と該組織とを接触させる工程を包含する、請求項に記載の方法。
  10. 前記組織を滅菌する工程をさらに包含する、請求項1に記載の方法。
  11. 前記組織の滅菌が、以下:
    該組織を最終滅菌溶液と接触させること、および移植時まで前記生物補綴材料の滅菌性を確実にするのに十分な時間、該最終滅菌溶液を約20〜50℃の間の温度まで加熱すること、
    を包含する、請求項10に記載の方法。
  12. 前記最終滅菌溶液が、約7.4のpHに緩衝化された、0.2〜1.0重量%のグルタルアルデヒドの水溶液を含む、請求項11に記載の方法。
  13. 以下の工程:
    (a)第1の期間の間、グルタルアルデヒド溶液を第1の温度まで加熱する工程;
    (b)該グルタルアルデヒド溶液の温度を第2の温度に調整する工程;および
    (c)該グルタルアルデヒド溶液の温度が該第2の温度に調整された後に、結合組織タンパク質を含む一定量の生物学的組織を、該グルタルアルデヒド溶液と、第2の期間の間接触させる工程、
    を包含する石灰化緩和処理に供された組織を含む、生物補綴物。
  14. 生物補綴材料の移植後石灰化を緩和する方法であって、該方法は、以下の工程:
    (a)固定化剤を含む溶液、界面活性剤を含む溶液、および生理学的溶液からなる群より選択される溶液を、第1の期間の間、約20〜90℃の範囲の第1の温度まで加熱する工程;
    (b)工程(a)からの溶液を、約30〜70℃の範囲の第2の温度に調整する工程;および
    (c)第2の期間の間、工程(b)からの溶液で該生物補綴材料を処理する工程、
    を包含する、方法。
JP2003557626A 2002-01-03 2003-01-02 移植後の石灰化を軽減する生物補綴組織の処理 Expired - Lifetime JP4555570B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/039,367 US6878168B2 (en) 2002-01-03 2002-01-03 Treatment of bioprosthetic tissues to mitigate post implantation calcification
PCT/US2003/000088 WO2003057269A2 (en) 2002-01-03 2003-01-02 Treatment of bioprosthetic tissues to mitigate post implantation calcification

Publications (3)

Publication Number Publication Date
JP2005514113A JP2005514113A (ja) 2005-05-19
JP2005514113A5 true JP2005514113A5 (ja) 2005-12-22
JP4555570B2 JP4555570B2 (ja) 2010-10-06

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JP2003557626A Expired - Lifetime JP4555570B2 (ja) 2002-01-03 2003-01-02 移植後の石灰化を軽減する生物補綴組織の処理

Country Status (7)

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US (4) US6878168B2 (ja)
EP (1) EP1478413B1 (ja)
JP (1) JP4555570B2 (ja)
AU (1) AU2003214801A1 (ja)
BR (1) BRPI0306744B8 (ja)
CA (1) CA2471197C (ja)
WO (1) WO2003057269A2 (ja)

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