JP2005161068A5 - - Google Patents

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JP2005161068A5
JP2005161068A5 JP2004365373A JP2004365373A JP2005161068A5 JP 2005161068 A5 JP2005161068 A5 JP 2005161068A5 JP 2004365373 A JP2004365373 A JP 2004365373A JP 2004365373 A JP2004365373 A JP 2004365373A JP 2005161068 A5 JP2005161068 A5 JP 2005161068A5
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patient
ventilation
value
breathable gas
degree
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JP2004365373A
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JP4643247B2 (ja
JP2005161068A (ja
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Priority claimed from AUPP3663A external-priority patent/AUPP366398A0/en
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Claims (11)

  1. 心不全、チェーン・ストークス型呼吸又は中枢型睡眠無呼吸症の治療装置であって
    陽圧の呼吸可能な気体の制御可能な供給源(10)と、
    患者の気道に前記呼吸可能な気体を陽圧で供給する手段(11,12)と
    患者の呼吸気流の測定量を導く手段(14,15,16)と、
    入力変数と基準量とを受け取るサーボコントローラーであって、該入力変数の値を該基準量の値に近づけるために用いられる出力を与えるサーボコントローラー(16)と、を有する治療装置において、
    (i)上記入力変数は、瞬間換気の測定量であり、
    (ii)上記基準量は、呼吸気流の測定量から得られた換気の長期的な測定量の百分率であり、
    上記百分率は、プラスのフィードバックを生じる値よりは小さく、且つ、チェーン・ストークス型呼吸の残存を許す値よりは大きく、
    上記長期は、未治療のチェーン・ストークス型呼吸又は中枢型睡眠無呼吸症の増大・減少サイクルの時間スケールよりも長い時間スケールであることを特徴とする、治療装置
  2. 上記百分率は95%である、請求項1記載の治療装置
  3. 上記瞬間換気の上記測定量は、数秒未満の短時間に吸入される上記呼吸可能な気体の体積として計算される、請求項1記載の治療装置
  4. 上記瞬間換気の上記測定量は、数秒未満の短時間に排出される上記呼吸可能な気体の体積として計算される、請求項1記載の治療装置
  5. 上記瞬間換気の上記測定量は、数秒未満の短時間に吸入されたり排出されたりする上記呼吸可能な気体の体積の平均値として計算される請求項1記載の治療装置
  6. 上記瞬間換気の上記測定量は、数秒と比較して短い時間に亘る上記呼吸気流の絶対値の平均値の半分として計算される、請求項1記載の治療装置
  7. 上記瞬間換気の上記測定量は、数秒と比較して短い時定数を有する低域通過フィルターにかけられた上記呼吸気流の絶対値の半分として計算される、請求項1記載の治療装置
  8. 上記サーボコントローラーは、換気補助の程度が最小の補助の程度より小さくならないように、更に、上記患者の気道に供給される上記呼吸可能な気体によって提供される換気補助の程度をクリップするような動作が可能であり、
    上記最小の補助の程度は、患者の呼吸作用を実行するのに十分な程度であるが、しかし、患者の全呼吸作用を実行する換気補助よりも小さい程度である、請求項1〜7のいずれかに記載の治療装置
  9. 上記サーボコントローラーは、換気補助の程度が最大の補助の程度を超えないように、更に、上記患者の気道に供給される上記呼吸可能な気体によって提供される換気補助の程度をクリップするような動作が可能であり、
    上記最大の補助の程度は、患者の呼吸作用のほとんど又は全部を実行するのに十分な程度であるが、しかし、危険ではない程度である、請求項1〜7のいずれかに記載の治療装置
  10. 上記サーボコントローラーは、更に、患者が十分に呼吸している時には、患者の呼吸気流と同調させて患者の気道に供給される呼吸可能な気体を変調するような動作が可能であり、また、患者が十分に呼吸していない時には、事前に設定された割合で患者の気道に供給される呼吸可能な気体を変調するような動作が可能である、請求項1〜9のいずれかに記載の治療装置
  11. 心不全、チェーン・ストークス型呼吸又は中枢型睡眠無呼吸症の治療における患者の呼吸気流について得られた測定量に基づき、患者の気道に呼吸可能な気体を陽圧で供給することを制御するのに相応しい制御信号を計算する方法であって、入力変数と基準量とを受け取り該入力変数の値を該基準量の値に近づけるのに適切な出力として該制御信号を与えるサーボ制御手順を有する方法にして、
    (i)上記入力変数は、患者の瞬間換気について得られた測定量であり、
    (ii)上記基準量は、呼吸気流の測定量から得られた換気の長期的な測定量の百分率であり、
    上記百分率は、プラスのフィードバックを生じる値よりは小さく、且つ、チェーン・ストークス型呼吸の残存を許す値よりは大きく、
    上記長期は、未治療のチェーン・ストークス型呼吸又は中枢型睡眠無呼吸症の増大・減少サイクルの時間スケールよりも長い時間スケールであることを特徴とする、方法。
JP2004365373A 1998-05-22 2004-12-17 心不全及びチェーン・ストークス型呼吸の治療のための換気補助 Expired - Lifetime JP4643247B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPP3663A AUPP366398A0 (en) 1998-05-22 1998-05-22 Ventilatory assistance for treatment of cardiac failure and cheyne-stokes breathing

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JP2005161068A5 true JP2005161068A5 (ja) 2006-06-22
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JP2004365373A Expired - Lifetime JP4643247B2 (ja) 1998-05-22 2004-12-17 心不全及びチェーン・ストークス型呼吸の治療のための換気補助
JP2010188338A Expired - Fee Related JP5248560B2 (ja) 1998-05-22 2010-08-25 心不全及びチェーン・ストークス型呼吸の治療のための換気補助

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US (7) US6532959B1 (ja)
EP (6) EP2774645A1 (ja)
JP (3) JP3737698B2 (ja)
AT (1) ATE377437T1 (ja)
AU (3) AUPP366398A0 (ja)
DE (1) DE69937492T2 (ja)
ES (1) ES2446523T3 (ja)
WO (1) WO1999061088A1 (ja)

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