JP2004167252A - 肺ストレスを評価するための方法及び呼吸装置 - Google Patents
肺ストレスを評価するための方法及び呼吸装置 Download PDFInfo
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- JP2004167252A JP2004167252A JP2003387724A JP2003387724A JP2004167252A JP 2004167252 A JP2004167252 A JP 2004167252A JP 2003387724 A JP2003387724 A JP 2003387724A JP 2003387724 A JP2003387724 A JP 2003387724A JP 2004167252 A JP2004167252 A JP 2004167252A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
- A61B5/085—Measuring impedance of respiratory organs or lung elasticity
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0051—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes with alarm devices
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/021—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes operated by electrical means
- A61M16/022—Control means therefor
- A61M16/024—Control means therefor including calculation means, e.g. using a processor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0057—Pumps therefor
- A61M16/0063—Compressors
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- Molecular Biology (AREA)
- Surgery (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
【解決手段】上記課題は、肺ストレスを評価する方法において、圧力制御された呼吸ガスの気流を発生させ、後続の流量を測定し、圧力と流量とに基づいて抵抗とコンプライアンスを求め、圧力、流量、抵抗、及びコンプライアンスに基づいてストレス指数値を求めるようにすることにより解決される。
【選択図】図3
Description
特許文献1では、肺ストレス評価の方法は、定流量の吸気期間に為されるP−t測定に基づいている。特許文献1に開示されている方法の1つの実施形態では、吸気流量が一定であると仮定してつぎの関係式が用いられている。
Claims (9)
- 肺ストレスを評価する方法において、
圧力制御された呼吸ガスの気流を発生させ、後続の流量を測定し、圧力と流量とに基づいて抵抗とコンプライアンスを求め、圧力、流量、抵抗、及びコンプライアンスに基づいてストレス指数値を求めることを特徴とする肺ストレスを評価する方法。 - ストレス指数値を呼吸ごとに求める、請求項1または2記載の方法。
- ストレス指数値を複数の呼吸にわたる平均値に基づいて求める、請求項1または2記載の方法。
- 呼吸ガス圧を調整するための少なくとも1つのガス調整器(14,32)と、少なくとも1つの流量計(18,26)と、前記ガス調整器(14,32)を所定の制御パラメータに基づいて制御するための制御ユニット(34)とを備えた呼吸装置において、
前記制御ユニット(34)は請求項1から4のいずれか1項記載の方法に従ってストレス指数値を求めるように構成されている、ことを特徴とする呼吸装置。 - 前記制御ユニット(34)はさらに、求められたストレス指数値(b)を所定のインターバルと比較し、求められたストレス指数値(b)が前記所定のインターバル内にある場合には、被検者の肺に最小の肺ストレスが存在することを示し、求められたストレス指数値(b)が前記所定のインターバルを下回る場合には、肺胞の開閉に起因する肺ストレスが存在することを示し、求められたストレス指数値(b)が前記所定のインターバルを上回る場合には、肺胞の過拡張が存在することを示す、請求項5記載の呼吸装置。
- 求められたストレス指数値bに対する前記所定のインターバルは、0.5〜0.95の下限と1.05〜1.5の上限とから成る、請求項6記載の呼吸装置。
- 前記呼吸装置はさらに、該装置の動作に関する情報をオペレータに対して表示する表示ユニット(40)と警報ユニットとを有し、
前記制御ユニット(34)は、ストレス指数値(b)に基づいて、
前記警報ユニットにおいて警報を発する動作;
肺ストレスの存在を知らせる警告を前記表示ユニット(40)に表示する動作;
少なくとも1つの制御パラメータの変更を決定する動作;
決定された変更を前記表示ユニット(40)に表示する動作;
決定された変更に従って自動的に制御パラメータを再設定する動作;
漸増措置の勧告を前記表示ユニットに表示する動作;
自動的に漸増措置を実行する動作のうちの少なくとも1つの動作を実行するように構成されている、請求項5から7のいずれか1項記載の呼吸装置。 - 前記制御パラメータは、呼気終末陽圧(PEEP)、吸入酸素濃度(FiO2)、及び1回換気量(VT)のうちの1つに関係する、請求項8記載の呼吸装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0203431A SE0203431D0 (sv) | 2002-11-20 | 2002-11-20 | Method for assessing pulmonary stress and a breathing apparatus |
Publications (1)
Publication Number | Publication Date |
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JP2004167252A true JP2004167252A (ja) | 2004-06-17 |
Family
ID=20289623
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003387724A Pending JP2004167252A (ja) | 2002-11-20 | 2003-11-18 | 肺ストレスを評価するための方法及び呼吸装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7322937B2 (ja) |
EP (1) | EP1421902A1 (ja) |
JP (1) | JP2004167252A (ja) |
SE (1) | SE0203431D0 (ja) |
Cited By (3)
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---|---|---|---|---|
JP2014528773A (ja) * | 2011-08-25 | 2014-10-30 | コーニンクレッカ フィリップス エヌ ヴェ | 非侵襲換気測定 |
JP2015037596A (ja) * | 2009-04-22 | 2015-02-26 | レスメド・リミテッドResMedLimited | 非同期性の検出 |
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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EP3064242A1 (en) * | 2003-04-28 | 2016-09-07 | Advanced Circulatory Systems Inc. | Ventilator and methods for treating head trauma and low blood circulation |
EP1579882A1 (en) * | 2004-03-26 | 2005-09-28 | Stephan Dr. Böhm | Non-invasive method and apparatus for optimizing the respiration for atelectatic lungs |
US8021310B2 (en) * | 2006-04-21 | 2011-09-20 | Nellcor Puritan Bennett Llc | Work of breathing display for a ventilation system |
DE102006030520B3 (de) * | 2006-07-01 | 2007-06-21 | Dräger Medical AG & Co. KG | Vorrichtung zum Versorgen eines Patienten mit Atemgas und Verfahren zum Regeln einer Beatmungs-Vorrichtung |
US7784461B2 (en) | 2006-09-26 | 2010-08-31 | Nellcor Puritan Bennett Llc | Three-dimensional waveform display for a breathing assistance system |
WO2008045995A2 (en) * | 2006-10-12 | 2008-04-17 | Massachusetts Institute Of Technology | Method for measuring physiological stress |
US20090241956A1 (en) * | 2008-03-27 | 2009-10-01 | Nellcor Puritan Bennett Llc | Method for controlling delivery of breathing gas to a patient using multiple ventilation parameters |
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US8251876B2 (en) * | 2008-04-22 | 2012-08-28 | Hill-Rom Services, Inc. | Breathing exercise apparatus |
US8485185B2 (en) | 2008-06-06 | 2013-07-16 | Covidien Lp | Systems and methods for ventilation in proportion to patient effort |
FR2937850B1 (fr) | 2008-11-03 | 2011-12-09 | Assistance Publique Hopitaux Paris | Systeme de detection de l'activite musculaire respiratoire d'un patient sous assistance respiratoire. |
EP2384211B1 (en) * | 2008-12-19 | 2016-03-16 | Koninklijke Philips N.V. | System for treating lung disease using positive pressure airway support |
US20110029910A1 (en) * | 2009-07-31 | 2011-02-03 | Nellcor Puritan Bennett Llc | Method And System For Providing A Graphical User Interface For Delivering A Low Flow Recruitment Maneuver |
CN102596028B (zh) | 2009-09-01 | 2015-04-22 | 皇家飞利浦电子股份有限公司 | 用于对自主换气受试者中的肺顺应性进行量化的***和方法 |
US8335992B2 (en) * | 2009-12-04 | 2012-12-18 | Nellcor Puritan Bennett Llc | Visual indication of settings changes on a ventilator graphical user interface |
US8924878B2 (en) | 2009-12-04 | 2014-12-30 | Covidien Lp | Display and access to settings on a ventilator graphical user interface |
US9119925B2 (en) * | 2009-12-04 | 2015-09-01 | Covidien Lp | Quick initiation of respiratory support via a ventilator user interface |
US8499252B2 (en) * | 2009-12-18 | 2013-07-30 | Covidien Lp | Display of respiratory data graphs on a ventilator graphical user interface |
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US8638200B2 (en) | 2010-05-07 | 2014-01-28 | Covidien Lp | Ventilator-initiated prompt regarding Auto-PEEP detection during volume ventilation of non-triggering patient |
US20130109993A1 (en) | 2010-05-17 | 2013-05-02 | Koninklijke Philips Electronics N.V. | System and method for estimating upper airway resistance and lung compliance employing induced central apneas |
CN103052420B (zh) * | 2010-05-22 | 2015-07-15 | 马奎特紧急护理公司 | 具有流量估算的呼吸*** |
US8607791B2 (en) | 2010-06-30 | 2013-12-17 | Covidien Lp | Ventilator-initiated prompt regarding auto-PEEP detection during pressure ventilation |
US8607788B2 (en) | 2010-06-30 | 2013-12-17 | Covidien Lp | Ventilator-initiated prompt regarding auto-PEEP detection during volume ventilation of triggering patient exhibiting obstructive component |
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-
2002
- 2002-11-20 SE SE0203431A patent/SE0203431D0/xx unknown
-
2003
- 2003-11-03 EP EP03025120A patent/EP1421902A1/en not_active Ceased
- 2003-11-12 US US10/706,812 patent/US7322937B2/en not_active Expired - Fee Related
- 2003-11-18 JP JP2003387724A patent/JP2004167252A/ja active Pending
Patent Citations (3)
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JPH0515516A (ja) * | 1991-07-05 | 1993-01-26 | Yoshitsugu Yamada | 呼吸筋活動のモニタ装置 |
US20020110849A1 (en) * | 1999-01-28 | 2002-08-15 | Steffen Leonhardt | Non-invasive method for optimizing the respiration of atelectatic lungs |
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Cited By (5)
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---|---|---|---|---|
JP2015037596A (ja) * | 2009-04-22 | 2015-02-26 | レスメド・リミテッドResMedLimited | 非同期性の検出 |
US11291784B2 (en) | 2009-04-22 | 2022-04-05 | ResMed Pty Ltd | Detection of asynchrony |
JP2014528773A (ja) * | 2011-08-25 | 2014-10-30 | コーニンクレッカ フィリップス エヌ ヴェ | 非侵襲換気測定 |
US9895083B2 (en) | 2011-08-25 | 2018-02-20 | Koninklijke Philips N.V. | Non-invasive ventilation measurement |
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 |
Also Published As
Publication number | Publication date |
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US20040097821A1 (en) | 2004-05-20 |
SE0203431D0 (sv) | 2002-11-20 |
US7322937B2 (en) | 2008-01-29 |
EP1421902A1 (en) | 2004-05-26 |
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