JP6438301B2 - 酸素濃縮器の供給ラインの過圧保護 - Google Patents
酸素濃縮器の供給ラインの過圧保護 Download PDFInfo
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- 239000001301 oxygen Substances 0.000 title claims description 246
- 229910052760 oxygen Inorganic materials 0.000 title claims description 246
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims description 245
- 239000007789 gas Substances 0.000 claims description 43
- 230000004044 response Effects 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims description 7
- 230000000241 respiratory effect Effects 0.000 claims description 7
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000011017 operating method Methods 0.000 claims 4
- 230000015556 catabolic process Effects 0.000 claims 1
- 239000003570 air Substances 0.000 description 40
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- 238000010926 purge Methods 0.000 description 12
- 230000029058 respiratory gaseous exchange Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000009530 blood pressure measurement Methods 0.000 description 4
- 229910001882 dioxygen Inorganic materials 0.000 description 4
- 239000012080 ambient air Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 210000004072 lung Anatomy 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
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- 238000007906 compression Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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- 229920000515 polycarbonate Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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Description
本特許出願は、2011年9月13日に出願された米国仮特許出願第61/533,912号の35USC§119(e)に基づく優先権を主張するものであり、その内容が参照により本明細書に組み入れられる。
説明される携帯用酸素濃縮器10の実施形態は、限定されることを意図したものではないことを理解されたい。携帯用酸素濃縮器10は、さらに後述するように、例えば、1つ以上の逆止弁、フィルタ、センサ、電力源(図示せず)等の1つ以上の追加の構成要素、及び/又は少なくともいくつかが制御装置21(及び/又は1つ又は複数の追加の制御装置、これも図示せず)に結合されるような他の構成要素を含んでもよい。関与する特定の流体が外気、加圧窒素、濃縮酸素等であっても、用語「気流」、「空気」、又は「ガス」が、総称的に本明細書で使用されていることを理解されたい。
Claims (15)
- 携帯用酸素濃縮器であって、当該酸素濃縮器は:
酸素富化ガスを貯留するように構成されたリザーバと;
前記リザーバから被験者に前記酸素富化ガスを送達するように構成された供給ラインと;
前記供給ラインを介して前記リザーバに連通する酸素供給弁と;
前記供給ラインを通じて流れる前記酸素富化ガスと流体連通し、前記被験者の呼吸特性に関する情報を伝える出力信号を生成するように構成された圧力センサと;
制御装置であって、1)前記制御装置が、前記供給ラインを通じて前記被験者への前記酸素富化ガスの連続的送達を行うために前記酸素供給弁を開くような第1モードと、2)前記制御装置が、前記圧力センサの出力信号に応答して前記酸素供給弁を選択的に開閉して、パルスで前記酸素富化ガスを前記被験者に送達するような第2モードと、で作動するように構成されている、制御装置と;
前記酸素供給弁より下流にある前記供給ラインに関連付けられており、前記酸素供給弁が前記供給ラインを通じて前記被験者への前記酸素富化ガスの連続的送達を行うように作動されている場合に、前記供給ライン内の圧力を低下させるために、前記圧力センサの作動耐圧以下に設定される既定のしきい値を超えるような前記供給ライン内の圧力に応答して開き、前記供給ラインの外部に前記酸素富化ガスを放出するように構成されているリリーフ弁と;を備える、
携帯用酸素濃縮器。 - 前記圧力センサは、圧力トランスデューサである、
請求項1に記載の携帯用酸素濃縮器。 - 前記供給ラインに関連するカニューレバーブをさらに含んでおり、前記リリーフ弁は、前記カニューレバーブに取り付けられている、
請求項1に記載の携帯用酸素濃縮器。 - 前記リリーフ弁は、前記既定のしきい値を超えるような前記供給ライン内の圧力に応答して機械的に開くように構成されたポペットとスプリングとを備える、
請求項1に記載の携帯用酸素濃縮器。 - 前記供給ラインに関連するカニューレバーブをさらに含んでおり、前記リリーフ弁は、前記カニューレバーブと前記圧力センサの上流側のエアフィルタとの間の前記供給ラインに接続されている、
請求項1に記載の携帯用酸素濃縮器。 - 酸素を濃縮する携帯用酸素濃縮器の作動方法であって:
前記携帯用酸素濃縮器は、酸素富化ガスを貯留するように構成されたリザーバと、前記リザーバから被験者に前記酸素富化ガスを送達するように構成された供給ラインと、前記供給ラインを介してリザーバと連通する酸素供給弁と、前記供給ラインを通じて流れる前記酸素富化ガスと流体連通する圧力センサと、前記酸素供給弁の作動を制御する制御装置と、前記酸素供給弁より下流にある前記供給ラインに関連するリリーフ弁とを備え;
当該作動方法は:
前記制御装置によって、前記圧力センサを介して、前記被験者の呼吸特性に関連する情報を伝える出力信号を生成するステップと;
前記制御装置によって、(a)前記制御装置が、前記被験者に前記酸素富化ガスの連続的送達を行うために前記酸素供給弁を開くような第1モードと、又は(b)前記制御装置が、前記被験者に前記酸素富化ガスをパルスで送達するために前記圧力センサの出力信号に応答して前記酸素供給弁を選択的に開閉するような第2モードと、で作動するステップと;
前記酸素供給弁が前記供給ラインを通じて前記被験者への前記酸素富化ガスの連続的送達を行うように作動されている場合に、前記圧力センサの作動耐圧以下に設定される既定のしきい値を超えるような前記供給ライン内の圧力に応答して開放する前記リリーフ弁によって、前記供給ライン内の圧力を低下させるために、前記供給ラインの外部に前記酸素富化ガスを放出するステップと;を含む、
作動方法。 - 前記圧力センサは、圧力トランスデューサである、
請求項6に記載の作動方法。 - 前記携帯用酸素濃縮器が、前記供給ラインに関連するカニューレバーブをさらに含んでおり、前記リリーフ弁は、前記カニューレバーブに取り付けられている、
請求項6に記載の作動方法。 - 前記リリーフ弁は、前記既定のしきい値を超えるような前記供給ライン内の圧力に応答して機械的に開くように構成されたポペットとスプリングとを備える、
請求項6に記載の作動方法。 - 前記携帯用酸素濃縮器は、前記供給ラインに関連するカニューレバーブをさらに含んでおり、前記リリーフ弁が、前記カニューレバーブと前記圧力センサの上流側のエアフィルタとの間に接続されている、
請求項6に記載の作動方法。 - 携帯用酸素濃縮器であって、当該携帯用酸素濃縮器は:
酸素富化ガスを貯留するためのリザーバ手段と;
前記リザーバ手段から被験者に前記酸素富化ガスを供給するための供給ライン手段と;
前記供給ライン手段を通じて流れる酸素富化ガスを通す又は阻止するための酸素供給弁手段と;
前記被験者の呼吸特性に関する情報を伝える出力信号を生成するための手段であって、前記出力信号の生成は、圧力センサによって提供される、手段と;
(a)制御装置によって、前記被験者への前記酸素富化ガスの連続的送達を行うために前記酸素供給弁手段を開くような第1モードと、(b)前記制御装置が、前記圧力センサの出力信号に応答して前記酸素供給弁手段を選択的に開閉して、パルスで前記酸素富化ガスを前記被験者に送達するような第2モードとにおいて、作動が制御される制御手段と;
前記酸素供給弁手段の下流にある前記供給ライン手段に関連付けられたリリーフ弁手段であって、前記酸素供給弁手段が前記供給ライン手段を通じて前記被験者への前記酸素富化ガスの連続的送達を行うように作動されている場合に、前記供給ライン手段内の圧力を低下させるために、前記圧力センサの作動耐圧以下に設定される既定のしきい値を超えるような前記供給ライン手段内の圧力に応答して、前記供給ライン手段の外部に前記酸素富化ガスを放出するリリーフ弁手段と;を含む、
携帯用酸素濃縮器。 - 前記圧力センサは、圧力トランスデューサである、
請求項11に記載の携帯用酸素濃縮器。 - カニューレに接続するための手段をさらに含んでおり、前記リリーフ弁手段は、前記カニューレに接続するための手段に取り付けられている、
請求項11に記載の携帯用酸素濃縮器。 - 前記リリーフ弁手段は、前記既定のしきい値を超えるような前記供給ライン手段内の圧力に応答して機械的に開くように構成されたポペットとスプリングとを備える、
請求項11に記載の携帯用酸素濃縮器。 - カニューレに接続するための手段をさらに含んでおり、前記リリーフ弁手段は、前記カニューレと前記圧力センサの上流側のエアフィルタとの間の前記供給ライン手段に接続される、
請求項11に記載の携帯用酸素濃縮器。
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PCT/IB2012/054568 WO2013038299A1 (en) | 2011-09-13 | 2012-09-05 | Oxygen concentrator supply line overpressure protection |
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JP6520963B2 (ja) * | 2017-01-20 | 2019-05-29 | ダイキン工業株式会社 | 酸素濃縮装置 |
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