JP2011522621A - 患者の努力に比例した換気のためのシステムおよび方法 - Google Patents
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- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
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- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
- A61M2016/0015—Accessories therefor, e.g. sensors, vibrators, negative pressure inhalation detectors
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- A—HUMAN NECESSITIES
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- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
- A61M2016/0015—Accessories therefor, e.g. sensors, vibrators, negative pressure inhalation detectors
- A61M2016/0018—Accessories therefor, e.g. sensors, vibrators, negative pressure inhalation detectors electrical
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- A—HUMAN NECESSITIES
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- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
- A61M2016/0027—Accessories therefor, e.g. sensors, vibrators, negative pressure pressure meter
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- A—HUMAN NECESSITIES
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- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
- A61M2016/003—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter
- A61M2016/0033—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical
- A61M2016/0036—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical in the breathing tube and used in both inspiratory and expiratory phase
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- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
- A61M2016/003—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter
- A61M2016/0033—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical
- A61M2016/0039—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical in the inspiratory circuit
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- A—HUMAN NECESSITIES
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- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
- A61M2016/003—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter
- A61M2016/0033—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical
- A61M2016/0042—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical in the expiratory circuit
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- A61M2205/3303—Using a biosensor
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- A61M2205/50—General characteristics of the apparatus with microprocessors or computers
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Abstract
Description
パラメータ化された入力−出力の関係を、伝達関数から導出することができ、いくつかの場合には、伝達関数が、モデル
この場合において、圧力
同じまたはより高次の多項式Λ(s)に依存する(例えば、s2、s3、s4...)。患者の漏れ(qPleak)をゼロであると仮定することによって、換気システム100のパラメータ化モデル190に対応する入力−出力の関係のコンパクトな線形回帰の形態が、
この定義から、パラメータの特定の問題を、φ(t)およびz(t)に鑑みて
行列PおよびベクトルΘが、パラメータの特定の問題を解くために使用することができる再帰アルゴリズムの定義を完成させる以下の2つの微分方程式
Claims (26)
- コンピュータ可読媒体へと通信可能に接続されたプロセッサを備えており、
コンピュータ可読媒体が、
測定された圧力の値を受信し、
正味の流量の値を受信し、
患者の努力と、測定された圧力の値と、正味の流量の値との間の関係にもとづいて、患者の努力の値を計算し、
患者の努力の値の関数として変化する気体の送出の基準を計算し、
気体の送出の基準に一致した気体の送出を生じさせるようにプロセッサによって実行することができるインストラクションを含んでいる、換気システム。 - 気体の送出の基準が、圧力および流量から選択される、請求項1に記載の換気システム。
- 流量が、患者の肺の流量および入口気体流量から選択される、請求項2に記載の換気システム。
- 圧力が、肺の圧力およびY字の圧力から選択される、請求項2に記載の換気システム。
- コンピュータ可読媒体が、
患者の努力の値にもとづいて吸気段階を判断するようにプロセッサによって実行することができるインストラクションをさらに含んでいる、請求項1に記載の換気システム。 - 計算された患者の努力の値がゼロよりも大きい場合に、吸気段階が示される、請求項5に記載の換気システム。
- 判断された吸気段階において気体を送出するように動作することができる、請求項5に記載の換気システム。
- 患者の努力の値の関数が、一定の乗数である、請求項1に記載の換気システム。
- 患者の努力の値の関数が、非線形関数である、請求項1に記載の換気システム。
- 患者の努力の値の関数が、時間変化する関数である、請求項1に記載の換気システム。
- 患者の努力の値が、測定された圧力の値および正味の流量の値を使用して計算される1つ以上の中間値の組み合わせにもとづいてさらに計算され、1つ以上の中間値が、推定による正規化された予測誤差(ε)、フィルタ処理された圧力の値(z)、回帰ベクトル(φT)、およびパラメータベクトル(Θ)の現在の推定された値から選択される、請求項1に記載の換気システム。
- 関係が、パラメータ化されたシステムの入力−出力の関係である、請求項1に記載の換気システム。
- パラメータ化されたシステムの入力−出力の関係が、回帰の形態z=ΘTφ+φdである、請求項12に記載の換気システム。
- パラメータ化されたシステムの入力−出力の関係が、伝達関数から導出される、請求項13に記載の換気システム。
- 呼吸の支援のための方法であって、
圧力を測定し、測定された圧力をもたらすステップと、
入口流量および出口流量を測定し、測定された正味の流量をもたらすステップと、
測定された圧力に関係する第1の値と、測定された正味の流量に関係する第2の値と、患者の努力に関係する第3の値との間の関係を使用し、測定された圧力および測定された正味の流量から患者の努力の推定を計算するステップと、
患者の努力の推定に比例して気体を供給するステップとを含んでいる、方法。 - 患者の努力の推定に比例して気体を供給するステップが、患者の努力の推定に比例した圧力で気体を供給するステップを含んでいる、請求項16に記載の方法。
- 患者の努力の推定に比例して気体を供給するステップが、患者の努力の推定に比例した流量で気体を供給するステップを含んでいる、請求項16に記載の方法。
- 患者の努力の推定が、測定された圧力および測定された正味の流量から導出される1つ以上の中間値の組み合わせにさらにもとづいており、1つ以上の中間値が、推定による正規化された予測誤差(ε)、フィルタ処理された圧力の値(z)、回帰ベクトル(φT)、およびパラメータベクトル(Θ)の現在の推定された値から選択される、請求項16に記載の方法。
- 第2の値が、測定された正味の流量のフィルタ処理されたバージョンおよび測定された正味の流量から選択される、請求項16に記載の方法。
- 第1の値が、測定された圧力のフィルタ処理されたバージョンおよび測定された圧力から選択される、請求項16に記載の方法。
- 関係が、パラメータ化されたシステムの入力−出力の関係である、請求項16に記載の方法。
- パラメータ化されたシステムの入力−出力の関係が、回帰の形態z=ΘTφ+φdである、請求項22に記載の方法。
- パラメータ化されたシステムの入力−出力の関係が、伝達関数から導出される、請求項23に記載の方法。
- 気体の入口と、
気体の出口と、
気体の入口および気体の出口を接続する管と、
管内の圧力を示す測定された圧力値をもたらすように機能することができる圧力センサと、
気体の入口に関する流量を示す入口流量値をもたらすように機能することができる第1の流量センサ、
気体の出口に関する流量を示す出口流量値をもたらすように機能することができる第2の流量センサと、
コンピュータ可読媒体へと通信可能に接続されたプロセッサとを備えており、
コンピュータ可読媒体が、
測定された圧力の値を受信し、
正味の流量の値を受信し、
患者の努力と、測定された圧力の値と、正味の流量の値との間の関係にもとづいて、患者の努力の値を計算し、
患者の努力の値の第1の関数として変化する気体の送出の基準を計算し、
患者の努力の値にもとづいて吸気段階を判断し、
気体の送出の基準に一致した気体の送出を生じさせるようにプロセッサによって実行することができるインストラクションを含んでいる、換気システム。
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US5959908P | 2008-06-06 | 2008-06-06 | |
US61/059,599 | 2008-06-06 | ||
US10157508P | 2008-09-30 | 2008-09-30 | |
US10157808P | 2008-09-30 | 2008-09-30 | |
US61/101,578 | 2008-09-30 | ||
US61/101,575 | 2008-09-30 | ||
PCT/US2009/046418 WO2009149357A1 (en) | 2008-06-06 | 2009-06-05 | Systems and methods for ventilation in proportion to patient effort |
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JP2011522621A true JP2011522621A (ja) | 2011-08-04 |
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Application Number | Title | Priority Date | Filing Date |
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JP2011512691A Pending JP2011522621A (ja) | 2008-06-06 | 2009-06-05 | 患者の努力に比例した換気のためのシステムおよび方法 |
JP2011512688A Pending JP2011522620A (ja) | 2008-06-06 | 2009-06-05 | 換気システムにおける患者の努力および/または呼吸パラメータを決定するシステムならびに方法 |
JP2014265848A Pending JP2015096212A (ja) | 2008-06-06 | 2014-12-26 | 換気システムにおける患者の努力および/または呼吸パラメータを決定するシステムならびに方法 |
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JP2014265848A Pending JP2015096212A (ja) | 2008-06-06 | 2014-12-26 | 換気システムにおける患者の努力および/または呼吸パラメータを決定するシステムならびに方法 |
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US (10) | US8485184B2 (ja) |
EP (2) | EP2320791B1 (ja) |
JP (3) | JP2011522621A (ja) |
CN (2) | CN102056538B (ja) |
WO (4) | WO2009149353A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2015503380A (ja) * | 2011-12-27 | 2015-02-02 | コーニンクレッカ フィリップス エヌ ヴェ | 呼吸配送の補償 |
JP2015512710A (ja) * | 2012-03-30 | 2015-04-30 | コーニンクレッカ フィリップス エヌ ヴェ | 呼吸能力のリアルタイム評価及び閉ループコントローラのシステム及び方法 |
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