JP2018525191A - 血液サンプル最適化システム及び血液汚染物質隔離装置及び方法 - Google Patents
血液サンプル最適化システム及び血液汚染物質隔離装置及び方法 Download PDFInfo
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Abstract
Description
本出願は、2016年4月27日に出願された「血液サンプル最適化システム及び血液汚染物質隔離装置及び方法」と題する米国非仮出願第15/140,443号及び2016年4月27日に出願された「血液サンプル最適化システム及び血液汚染物質隔離装置及び方法」と題する米国非仮出願第15/140,448号の優先権の利益を主張するものであり、これらの米国非仮出願の両方が2015年7月24日に出願された「血液培養改良システム及び方法」と題する米国仮特許出願第62/196,797号、2015年10月7日に出願された「非汚染採血用の血液隔離システム」と題する米国仮出願第62/238,636号、及び2016年4月4日に出願された「血液サンプル最適化システム及び血液汚染物質隔離装置及び方法」と題する米国仮特許出願第62/318,194号の優先権を主張しており、これらの開示はその全体が参照により本明細書に含まれるものとする。
Claims (20)
- 血液隔離装置であって、
入口ポートと、
出口ポートと、
前記入口ポートと接続される隔離チャンバであって、空気透過性血液バリアを含む通気口を有する隔離チャンバと、
前記入口ポートと接続される近位端と、前記出口ポートと接続される遠位端とを有するサンプリング流路と、
前記入口ポート、前記出口ポート、前記隔離チャンバ、及び前記サンプリング流路を収容し且つ画定するハウジングと
を含む、血液隔離装置。 - 前記空気透過性血液バリアは、血液と接触すると少なくとも部分的に密封する空気透過性材料を含む、請求項1に記載の血液隔離装置。
- 前記隔離チャンバは、前記ハウジング内に画定された隔離流路を含む、請求項1に記載の血液隔離装置。
- 前記入口ポートと接続される採血経路を更に備え、前記ハウジングによって画定される前記入口ポートは、前記採血経路と一致する断面形状を有する、請求項3に記載の血液隔離装置。
- 前記ハウジングによって画定されるサンプリング流路が、前記入口ポートと一致する断面形状を有する、請求項3に記載の血液隔離装置。
- 前記隔離チャンバ及び前記サンプリング流路は、血液の最初の部分を前記隔離チャンバに向かわせるように構成された分岐点によって前記入口ポートと接続される、請求項1に記載の血液隔離装置。
- 前記ハウジングは、上部部材と嵌合する下部部材を備え、前記下部部材及び前記上部部材のそれぞれは、前記入口ポート、前記出口ポート、前記隔離チャンバ、及び前記サンプリング流路のそれぞれの一部を画定する、請求項3に記載の血液隔離装置。
- 患者針とサンプル採取装置とを有する採血経路と接続される血液隔離装置であって、
前記患者針と接続される入口ポートと、
前記入口ポートと接続される隔離チャンバであって、空気透過性血液バリアを含む通気口を有する隔離チャンバと、
前記入口ポートと接続される近位端を有するサンプリング流路と、
前記サンプリング流路の遠位端及び前記サンプル採取装置と接続される出口ポートと、
前記入口ポート、前記出口ポート、前記隔離チャンバ、及び前記サンプリング流路を収容し且つ画定するハウジングと
を含む、血液隔離装置。 - 前記入口ポートは、前記採血経路の第1の部分を介して前記患者針と接続される、請求項8に記載の血液隔離装置。
- 前記出口ポートは、前記採血経路の第2の部分を介して前記サンプル採取装置と接続される、請求項8に記載の血液隔離装置。
- 前記空気透過性血液バリアは、血液と接触すると少なくとも部分的に密封する空気透過性材料を含む、請求項8に記載の血液隔離装置。
- 前記隔離チャンバは、前記ハウジング内に画定された隔離流路を含む、請求項8に記載の血液隔離装置。
- 前記隔離流路は、前記入口ポートと接続される近位端と、空気透過性血液バリアを含む前記通気口を有する遠位端とを有する、請求項12に記載の血液隔離装置。
- 前記隔離チャンバ及び前記サンプリング流路は、血液の最初の部分を前記隔離チャンバに向かわせるように構成された分岐点によって前記入口ポートと接続される、請求項8に記載の血液隔離装置。
- 前記サンプリング流路は、前記採血経路と一致する実質的に均一な断面形状を有する、請求項8に記載の血液隔離装置。
- 前記隔離チャンバは、前記サンプリング流路の断面形状よりも大きい断面積を有する隔離チャンバを含む、請求項15に記載の血液隔離装置。
- 患者から血液サンプルを取り出せるようにするための患者針と、密封されたサンプル針とを含む採血システムと接続される血液隔離装置であって、
前記患者からの血液サンプルを受け入れるために前記患者針と接続される入口ポートと、
前記入口ポートと接続され且つ空気透過性血液バリアを含む通気口を有する隔離チャンバであって、前記サンプル針が開封される前に前記血液サンプルの第1の部分を受け入れ且つ隔離するための隔離チャンバと、
前記入口ポートと接続される近位端を有するサンプリング流路であって、前記サンプル針が開封されると前記血液サンプルの第2の部分を運ぶサンプリング流路と、
前記血液サンプルの前記第2の部分を前記サンプル針に運ぶために前記サンプリング流路の遠位端と接続される出口ポートと、
前記入口ポート、前記出口ポート、前記隔離チャンバ、及び前記サンプリング流路を収容し且つ画定するハウジングと
を含む、血液隔離装置。 - 前記隔離チャンバは周囲空気圧であり、前記隔離チャンバは、前記患者の血圧が前記隔離チャンバ内の周囲空気圧に打ち勝つことによって前記血液サンプルの前記第1の部分を受け入れる、請求項17に記載の血液隔離装置。
- 前記サンプリング流路は、前記血液サンプルの前記第2の部分に前記隔離された血液の第1の部分を迂回させ、採血装置への搬送のために前記出口ポートを出る、請求項17に記載の血液隔離装置。
- 前記空気透過性血液バリアは、血液と接触すると密封する空気透過性材料を含む、請求項17に記載の血液隔離装置。
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