JP6710728B2 - 可撓性医療用品およびその製造方法 - Google Patents
可撓性医療用品およびその製造方法 Download PDFInfo
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Description
Claims (13)
- 可撓性医療用品を形成する方法であって、該方法は、
ポリカーボネートウレタンコポリマーを押し出して医療用品のチューブ状部材を形成するステップと、
該医療用品のチューブ状部材をアニールして該医療用品の該チューブ状部材の可撓性を高めるステップを含む、可撓性医療用品を形成する方法。 - 該コポリマーは、熱に曝されると剛性が低下する特性を有して選択される、請求項1に記載の方法。
- 該医療用品の該チューブ状部材を切断するステップをさらに含む、請求項1又は2に記載の方法。
- 該医療用品の該チューブ状部材の第1端部をフレアにするステップをさらに含む、請求項1〜3のいずれか1項に記載の方法。
- アニールされた該医療用品の該チューブ状部材の該第1端部にハブを結合するステップをさらに含む、請求項4に記載の方法。
- アニールするステップが、該医療用品の該チューブ状部材をおよそ120℃で約1時間アニールするステップを含む、請求項1〜5のいずれか1項に記載の方法。
- 少なくとも一つの管腔を有する可撓性チューブ状軸を備える医療用品であって、該軸は、
ポリカーボネートウレタンコポリマーを押し出して医療用品のチューブ状部材を形成するステップと、
該医療用品のチューブ状部材をアニールして該医療用品の該チューブ状部材の可撓性を高めるステップを含む方法で形成される、医療用品。 - 該ポリカーボネートウレタンコポリマーは、熱に曝されると剛性が低下する特性を有して選択される、請求項7に記載の医療用品。
- 該方法が、該医療用品のチューブ状部材を切断するステップをさらに含む、請求項7又は8に記載の医療用品。
- 該方法が、該医療用品の該チューブ状部材の第1端部をフレアにするステップをさらに含む、請求項7〜9のいずれか1項に記載の医療用品。
- 該方法が、アニールされた該医療用品の該チューブ状部材の該第1端部にハブを結合するステップをさらに含む、請求項10に記載の医療用品。
- 針軸および針ハブを有する針と、拡張器軸および拡張器ハブを有する拡張器と、ガイドワイヤとをさらに備え、該拡張器軸は、該針ハブと該拡張器ハブとが並んだ状態で該針軸上に同軸に配置され、前記ガイドワイヤは該針内に少なくとも部分的に配置され、該チューブ状部材は該拡張器軸上に同軸に配置される、請求項7〜11のいずれか1項に記載の医療用品。
- さらにトラックを含み、該針ハブが該トラックに沿って動き、該トラックは該拡張器ハブに結合されている、請求項12に記載の医療用品。
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JP2020171713A (ja) * | 2012-03-14 | 2020-10-22 | アクセス サイエンティフィック, エルエルシーAccess Scientific, Llc | 可撓性医療用品およびその製造方法 |
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US11697001B2 (en) | 2023-07-11 |
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