JP5758898B2 - 自由空間のノズル・フィーチャを備える非密封式換気インターフェイスを含む、換気補助システムおよび換気装置 - Google Patents
自由空間のノズル・フィーチャを備える非密封式換気インターフェイスを含む、換気補助システムおよび換気装置 Download PDFInfo
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Description
本出願は、2009年9月3日に出願された米国仮特許出願第61/239,728号、2009年10月28日に出願された米国仮特許出願第61/255,760号、2010年1月12日に出願された米国仮特許出願第61/294,363号、および、2010年2月19日に出願された米国仮特許出願第61/306,370号の優先権を主張するものであり、これらの内容はその全体が参照により本明細書に組み込まれる。また、本出願は、2010年4月2日に出願された米国非仮特許出願12/753,846号、2010年4月2日に出願されたPCT特許出願PCT/US2010/029871、2010年4月2日に出願された米国非仮特許出願第12/753,851号、2010年4月2日に出願されたPCT特許出願PCT/US2010/029873、2010年4月2日に出願された米国非仮特許出願第12/753,853号、2010年4月2日に出願された米国非仮特許出願第12/753,854号、2010年4月2日に出願されたPCT特許出願PCT/US2010/029874、2010年4月2日に出願された米国非仮特許出願第12/753,856号、および、2010年4月2日に出願されたPCT特許出願PCT/US2010/029875の優先権を主張し、これらの内容はその全体が参照により本明細書に組み込まれる。本出願は、「METHODS,SYSTEMS AND DEVICES FOR NON−INVASIVE VENTILATION INCLUDING A NON−SEALING VENTILATION INTERFACE WITH AN ENTRAINMENT PORT AND/OR PRESSURE FEATURE」と題される、2010年9月3日に出願された米国仮特許出願第_号、および、「METHODS,SYSTEMS AND DEVICES FOR NON−INVASIVE VENTILATION INCLUDING A NON−SEALING VENTILATION INTERFACE WITH AN ENTRAINMENT PORT AND/OR PRESSURE FEATURE」と題される、2010年に9月3日に出願されたPCT特許出願第_号を参照により組み込む。
気体運搬ノズル713はマニホールド709に組み込まれてよく、マニホールド709は、気体運搬ノズル713を鼻孔入口707の下の理想的な位置に配置させるような形状、寸法および構成であってよい。鼻孔入口707までの気体運搬ノズル713の距離は、気体運搬ノズル713および鼻孔(naris)によって形成されるベンチュリの機能を最適化するように選択され得る。最適な機能とは、気体の運搬が快適でありユーザに許容される状態のままで鼻孔気道703内に最大圧力を発生させるものとして説明され得る。
本発明の実施形態を有効にするためには、臨床的に所望されるように換気装置の気体運搬制御システムを患者の自発呼吸パターンに適切に同期させるために患者の呼吸を測定および監視する必要がある可能性がある。したがって、気体運搬ノズル713をユーザの鼻孔入口707から一定距離離れた位置に理想的に配置させ、かつ、呼吸圧力感知カニューレ715、呼吸圧力感知ポートまたは別のセンサが鼻孔入口707の近く、鼻孔入口707のところ、または鼻孔入口707の内側に配置する必要が生じる可能性がある。例えば、圧力感知カニューレ715の遠位端は、ベンチュリ・システムによって陽圧が形成されている領域内の鼻のわずかに内側に配置されてよい。
特定の状況では、1つの左側気体運搬ノズルおよび1つの右側気体運搬ノズルを通した患者への換気気体の運搬は、患者の鼻孔および鼻通気道(nasal air passage)の幾何形状に見られる多様性により、所望の層流を発生させることができない場合がある。したがって、本発明の特定の実施形態では、マスクの左側および右側での気体の運搬は複数のノズルによってそれぞれ実施されてよい。
さらに、図19および図20に示されるように、マスクは噴射ポンプ咽喉区間1901を有してよい。図19は、マニホールド1907の底部で開いている取込みポート1905を有する。図20は同じ咽喉区間1901を示しているが、咽喉区間1901の基部のところで、マニホールドの頂部上にある取込みポート1905を有する。図19では、周囲空気はマニホールド1907の底部を通して取り込まれ得る。図20では、周囲空気はマニホールド1907の頂部を通過して取り込まれ得る。
図21は代替の実施形態の鼻マスク2101を説明しており、ここでは、鼻の前部分に配置されて鼻の前部分に固定されるように構成される鼻部位2109から下方向に延在する垂直延長アーム2107に取り付けられた水平延長アーム2105を使用することにより、気体運搬ノズル2103が鼻の下に適切な位置に配置される。鼻部位2109は多様な手段により鼻に固定されてよく、鼻部位2109を顔に固定するために、鼻マスク2101に接続される気体運搬チューブ2115および圧力感知チューブ2111などが使用されてよい。鼻部位2109はまた、ストラップ、接着剤、摩擦係合、またはこれらの組合せなどの、別の手段により鼻に固定されてもよい。
Claims (23)
- 換気補助を提供するためのシステムであって、
気体供給源と;
気体運搬回路と;
非密封式の鼻インターフェイスを通って流れない周囲空気を患者が鼻道内に直接吸ったり吐き出したりすることを可能にしながら患者の鼻に連通されるように構成される、前記非密封式の鼻インターフェイスと;
前記気体運搬回路および前記気体供給源に接続可能であり、鼻から一定の距離のところにある、前記非密封式の鼻インターフェイスに付随し自由空間にあるノズルとを有し、
前記ノズルは、前記ノズルの近くに陰圧領域を形成して鼻の入口の近くに陽圧領域を形成することにより鼻道内に気体を運搬することができ、
前記気体供給源からの気体と前記ノズルから出る気体から取り込まれる空気との組合せが換気補助を行う、ことを特徴とするシステム。 - 前記陽圧領域は鼻の外側の1ヶ所の位置でその位置の遠位側に形成され、
鼻孔の縁のへりのところで前記縁の遠位側に形成され、
鼻孔気道内の位置でその位置の遠位側に形成される、請求項1に記載のシステム。 - 前記非密封式の鼻インターフェイスはマニホールドを有し、前記マニホールドが前記ノズルを有し、
前記マニホールドは、鼻孔入口から一定距離離れたところに前記ノズルを配置するように構成され、また、鼻孔気道の中心線に対して角度を付けて前記ノズルを配置するように構成される、請求項1に記載のシステム。 - 1つまたは複数のセンサをさらに有し、
前記1つまたは複数のセンサは、前記ノズルから鼻に向かって延在して前記陽圧領域内で終端する少なくとも1つの感知チャネルを有し、
前記ノズルから離れるように遠位側に延在する感知チャネルを有し、
前記感知チャネルは鼻の中まで延在し、
鼻孔入口から+/−約5mmの範囲まで延在する、請求項1に記載のシステム。 - 鼻孔ごとに2つ以上のノズルをさらに有する、請求項1に記載のシステム。
- 前記ノズルは長円形の気体運搬ノズル・オリフィスの1つであり、
円形パターンまたは長円形パターンに配置される複数の気体運搬ノズルのアレイを有する、請求項1に記載のシステム。 - 流れ経路を含む噴射ポンプ咽喉をさらに有し、
前記噴射ポンプ咽喉はマニホールドに連結され、前記ノズルは前記噴射ポンプ咽喉を通る噴射ポンプ咽喉流れ経路に連結され
前記マニホールドは前記噴射ポンプ咽喉流れ経路に連通される取込みポートを有する、請求項1に記載のシステム。 - 前記ノズルは内側に角度付けされる、請求項1に記載のシステム。
- 前記ノズルは鼻孔気道内に長円形の気体運搬流れプロファイルを作る、請求項1に記載のシステム。
- 前記ノズルは回転式に調節可能である、請求項9に記載のシステム。
- 前記ノズルは少なくとも1つの左側ノズルおよび少なくとも1つの右側ノズルを有し、前記少なくとも1つの左側ノズルと前記少なくとも1つの右側ノズルとの間の間隔が調節可能である、請求項1の記載のシステム。
- 前記少なくとも1つの左側ノズルおよび前記少なくとも1つの右側ノズルは回転式に調節可能である、請求項11に記載のシステム。
- 鼻孔入口とノズルとの間の間隔が調節可能である、請求項1に記載のシステム。
- 前記非密封式の鼻インターフェイスは複数のサイズで利用可能であり、ノズルの間隔、ノズルの回転方向、および、鼻孔入口までのノズルの距離が多様である、請求項1に記載のシステム。
- 前記陰圧領域は、前記ノズルから、鼻の入口の近位側の位置まで延在する、請求項1に記載のシステム。
- 陰圧は周囲圧力未満である、請求項1に記載のシステム。
- 前記陽圧領域は、前記ノズルの遠位側の位置から鼻の入口まで延在する、請求項1に記載のシステム。
- 前記陽圧は周囲圧力より大きい、請求項1に記載のシステム。
- 前記気体供給源からの前記気体と前記ノズルから出る前記気体から取り込まれる前記空気との前記組合せが鼻内で層流である、請求項1に記載のシステム。
- 前記ノズルを通した気体の運搬が患者の呼吸パターンに同期する、請求項1に記載のシステム。
- 前記気体供給源からの前記気体が着用可能な換気装置によって制御される、請求項1に記載のシステム。
- 換気補助には、呼吸不全を治療するために呼吸の動作を減少させることと、睡眠時無呼吸を治療するために気道圧力を増大させることのいずれかが含まれる、ことを特徴とする請求項1に記載のシステム。
- 前記非密封式の鼻インターフェイスは、前記システムを鼻梁に結合させさらには前記少なくとも1つの気体運搬噴射ノズルを鼻の入口に位置合わせするためのコネクタを有し、
前記コネクタは、鼻孔の縁のへりを基準に前記非密封式の鼻インターフェイスを位置決めするための突起を有し、
前記コネクタは、鼻孔気道の中心線に位置合わせするように前記ノズルの角度を調節する、請求項1に記載のシステム。
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US61/306,370 | 2010-02-19 | ||
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US12/753,854 | 2010-04-02 | ||
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US12/753,853 | 2010-04-02 | ||
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USPCT/US2010/029871 | 2010-04-02 | ||
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US12/753,853 US10695519B2 (en) | 2009-04-02 | 2010-04-02 | Methods, systems and devices for non-invasive open ventilation with gas delivery nozzles within nasal pillows |
US12/753,854 US10046133B2 (en) | 2009-04-02 | 2010-04-02 | Methods, systems and devices for non-invasive open ventilation for providing ventilation support |
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JP2012528112A Active JP6153725B2 (ja) | 2009-09-03 | 2010-09-03 | 取込みポートおよび/または圧力フィーチャを備える非密封式換気インターフェイスを含む、換気補助システムおよび換気装置 |
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JP2013503719A (ja) | 2013-02-04 |
EP2473220A4 (en) | 2014-10-01 |
CA2773048A1 (en) | 2011-03-10 |
EP2473220A1 (en) | 2012-07-11 |
CA2773048C (en) | 2017-01-03 |
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JP6153725B2 (ja) | 2017-06-28 |
WO2011029073A1 (en) | 2011-03-10 |
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