JP6177815B2 - 呼吸装置に用いるための導管 - Google Patents
呼吸装置に用いるための導管 Download PDFInfo
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Description
本出願は、2007年8月10日に出願された米国出願第60/955,222号、及び2006年11月8日に出願された豪州仮出願第2006906224号に対する優先権を主張し、双方の全内容を本明細書に引用・参照する。
本発明は、あらゆる形態の呼吸装置換気システムに用いる呼吸可能な気体の湿度制御に使用される加湿及び加熱器構成に関するが、これらのシステムには、侵襲性及び非侵襲性の換気、持続的気道内陽圧(CPAP)、二相性療法、閉塞型睡眠時無呼吸症候群(OSA)等の睡眠呼吸障害(SDB)状態に対する治療、並びに他の様々な呼吸障害及び疾患に対する治療が含まれる。
熱回路56dのヒューズF2は、PCB56cの加熱器軌道に熱的に結合される。PCB56cは、厚さが、例えば、約0.05乃至.15ミリメートル、例えば、約0.1ミリメートルであり、抵抗が、約0.05乃至.15Ω、例えば、約0.1Ωであり、また、出力電力が、約0.12乃至0.24W、例えば、0.18Wである。上述したように、PCB56cの片面は、開いた窓56jに面しており、そのためPCB56cは、患者導管4の空気に接触する。従って、導管の空気流は、導管内の空気のちょうど上の温度にPCB56cを冷却する。流量発生器が停止した場合、又は導管内の空気流が遮られた場合、PCB56cの温度が、上昇し、ヒューズF2を遮断して、患者導管4を損傷から保護する。温度センサ56e及び熱回路56dのヒューズF2は、このように、空気過熱防止、チューブ過熱防止、及び低気流防止を行う。熱回路56dには、サーモスタット、例えば、バイメタル板をヒューズの代わりに含んでよく、サーモスタットのインピーダンスが増加すると、電流の増加を抑制又は停止するように作用する。
56c プリント回路基板
56d 温度ヒューズ
56e 温度センサ
56f 螺旋状リブ
4 患者導管
4a チューブ
4b 螺旋状リブ
4c、4d、4e 配線
Claims (34)
- 呼吸装置のための加湿器であって、
水体を保持するための容器と、
水の表面上に呼吸気体流を通して、前記気体流を加湿する流量発生器と、
前記容器を前記流量発生器に流体連通させる導管と、
前記容器内の前記水および前記導管内の前記呼吸気体流を加熱するように構成された連続加熱器とを具備し、前記加熱器の一部分が、前記表面に隣接する前記水を加熱するように支持され、
前記加熱器は、前記容器内の水位にかかわらず、前記表面に隣接する前記水を加熱するように支持される、加湿器。 - 前記加熱器は、電力供給を受けるために、前記容器の上流に配置されたコネクタをさらに具備する、請求項1に記載の加湿器。
- 前記加熱器は、前記導管内の前記呼吸気体流を加熱するように構成された導管加熱部をさらに具備し、前記導管加熱部は、前記コネクタと前記容器との間に配置される、請求項2に記載の加湿器。
- 前記加熱器は、前記水の表面に隣接して浮くように支持される、請求項1〜3のいずれか一項に記載の加湿器。
- 前記加熱器は、前記表面に隣接する前記水と前記加湿器内を流れる気体との双方を加熱する、請求項1〜4のいずれか一項に記載の加湿器。
- 前記加熱器は、加熱された水および空気の層状領域を生成する、請求項1〜5のいずれか一項に記載の加湿器。
- 前記加熱器は、浮力または表面張力によって前記水に浮く、請求項1〜6のいずれか一項に記載の加湿器。
- 前記加熱器は、浮力のある支持体によって指示される、請求項1〜7のいずれか一項に記載の加湿器。
- 前記浮力のある支持体は、支持体格子または板である、請求項8に記載の加湿器。
- 前記支持体は、前記水の表面下にある前記加熱器と間隔をあけて配置される、請求項8または9に記載の加湿器。
- 前記支持体は、水が槽を満たすとともに前記加熱器を覆うことができるように少なくとも1つの開口を具備する浅い槽である、請求項8または9に記載の加湿器。
- 前記加熱器は、可撓性テープを具備する請求項1〜11のいずれか一項に記載の加湿器。
- 前記可撓性テープは、螺旋状および水平の渦状のうち少なくとも1つに形成される、請求項12に記載の加湿器。
- 前記加熱器は、可撓性加熱板を具備する、請求項1〜13のいずれか一項に記載の加湿器。
- 前記可撓性加熱板は、円形である、請求項14に記載の加湿器。
- 前記加熱器は、水のポケットが前記加熱器の上面に蓄積することができるように波形またはくぼみが形成される、請求項1〜15のいずれか一項に記載の加湿器。
- 前記波形またはくぼみは、不規則に散在される、請求項16に記載の加湿器。
- 呼吸可能な気体を患者に送出する呼吸装置であって、
前記患者に送出される加湿および加圧された呼吸可能な気体の供給を生み出す、請求項1〜17のいずれか一項に記載の加湿器と、
前記流量発生器から患者インターフェイスに至る気体流路とを具備し、前記加湿器は、前記流量発生器と前記患者インターフェイスとの間の前記流路内に配置される、呼吸装置。 - 前記加熱器は、前記容器の上流および下流に延在する、請求項18に記載の呼吸装置。
- 加湿器内の気体を加湿する方法であって、
気体の流れが前記加湿器内の水と接触するように、前記気体の前記流れを導管を通じて水容器へと向かわせるステップと、
前記容器から前記導管まで延在する連続した加熱領域を提供するステップと、
前記水の表面に隣接し、容器内の水位の変化とともに変化する前記加熱領域内の第1の位置から前記水を加熱するステップと、
前記導管内にある前記加熱領域内の第2の位置から前記導管内の前記気体を加熱するステップとを含む方法。 - 前記導管内の前記気体、前記水と接触する前記気体、および前記加湿器内の前記水を加熱するために、前記水容器の上流に配置されたコネクタを通じて電力を供給するステップをさらに具備する、請求項20に記載の方法。
- 前記導管内の前記気体は、前記コネクタと前記容器との間の位置から加熱される、請求項21に記載の方法。
- 前記水の表面に隣接する熱の層状領域を生成するステップをさらに含む、請求項20〜22のいずれか一項に記載の方法。
- 前記熱の層状領域は、加熱された気体および加熱された水を含む、請求項23に記載の方法。
- 前記水の表面に隣接する加熱器を支持するステップをさらに含む、請求項20〜24のいずれか一項に記載の方法。
- 前記加熱器は、前記水の表面に浮く請求項25に記載の方法。
- 前記加熱器は、浮力のある支持体によって支持される、請求項25または26に記載の方法。
- 前記浮力のある支持体は、支持体格子または板である、請求項27に記載の方法。
- 前記支持体は、前記加熱器の少なくとも一部分を前記水の表面下に沈める、請求項27または28に記載の方法。
- 前記支持体は、浅い槽である、請求項27または28に記載の方法。
- 前記水は、加熱器の上に蓄積する、請求項25〜30のいずれか一項に記載の方法。
- 前記水は、前記加熱器の上面に形成された波形またはくぼみによって形成された谷に蓄積する、請求項31に記載の方法。
- 前記波形またはくぼみは、不規則に散在される、請求項32に記載の方法。
- 前記加湿器内の前記水と接触する前記気体を加熱するステップをさらに含む請求項22〜33のいずれか一項に記載の方法。
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CN114632248A (zh) | 2022-06-17 |
AU2007317198A1 (en) | 2008-05-15 |
JP2010508875A (ja) | 2010-03-25 |
US20180028773A1 (en) | 2018-02-01 |
EP2079505A4 (en) | 2013-10-02 |
EP3782688B1 (en) | 2022-09-28 |
US20080105257A1 (en) | 2008-05-08 |
EP3782688B8 (en) | 2022-11-02 |
JP5748714B2 (ja) | 2015-07-15 |
WO2008055308A1 (en) | 2008-05-15 |
US11338104B2 (en) | 2022-05-24 |
US20230140672A1 (en) | 2023-05-04 |
EP4166184A1 (en) | 2023-04-19 |
US9855398B2 (en) | 2018-01-02 |
JP5443991B2 (ja) | 2014-03-19 |
JP2012228608A (ja) | 2012-11-22 |
US20220023578A1 (en) | 2022-01-27 |
EP2079505B1 (en) | 2020-07-15 |
EP4176915A1 (en) | 2023-05-10 |
AU2007317198B2 (en) | 2013-08-22 |
NZ782870A (en) | 2023-06-30 |
JP2015061714A (ja) | 2015-04-02 |
CN110141752A (zh) | 2019-08-20 |
EP2079505A1 (en) | 2009-07-22 |
CN110141752B (zh) | 2022-03-04 |
EP3782688A1 (en) | 2021-02-24 |
US11712535B2 (en) | 2023-08-01 |
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