JP4691559B2 - 人工呼吸器のセンサを駆動する装置及び方法 - Google Patents
人工呼吸器のセンサを駆動する装置及び方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims description 22
- 239000003990 capacitor Substances 0.000 claims abstract description 37
- 238000005259 measurement Methods 0.000 claims description 38
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000009530 blood pressure measurement Methods 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims description 2
- 230000003213 activating effect Effects 0.000 claims 1
- 238000009529 body temperature measurement Methods 0.000 claims 1
- 230000003247 decreasing effect Effects 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 36
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 15
- 229910052760 oxygen Inorganic materials 0.000 description 15
- 239000001301 oxygen Substances 0.000 description 15
- 238000010586 diagram Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 3
- 238000012806 monitoring device Methods 0.000 description 3
- 230000029058 respiratory gaseous exchange Effects 0.000 description 3
- 206010002091 Anaesthesia Diseases 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000037005 anaesthesia Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000003416 augmentation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
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- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000003434 inspiratory effect Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 230000000241 respiratory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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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
-
- 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
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
-
- 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
-
- 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
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/1005—Preparation of respiratory gases or vapours with O2 features or with parameter measurement
- A61M16/101—Preparation of respiratory gases or vapours with O2 features or with parameter measurement using an oxygen concentrator
-
- 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
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/14—Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
- A61M16/16—Devices to humidify the respiration air
- A61M16/161—Devices to humidify the respiration air with means for measuring the humidity
-
- 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
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
- A61M2016/0027—Accessories therefor, e.g. sensors, vibrators, negative pressure pressure meter
-
- 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
- A61M16/0003—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
-
- 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
- A61M16/0003—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
-
- 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
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/1005—Preparation of respiratory gases or vapours with O2 features or with parameter measurement
- A61M2016/102—Measuring a parameter of the content of the delivered gas
- A61M2016/1025—Measuring a parameter of the content of the delivered gas the O2 concentration
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3368—Temperature
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Emergency Medicine (AREA)
- Hematology (AREA)
- Pulmonology (AREA)
- Anesthesiology (AREA)
- Surgery (AREA)
- Pathology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Measuring Fluid Pressure (AREA)
- Measuring Volume Flow (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Description
そこで、本発明は、従来の人工呼吸器の欠陥を克服する人工呼吸器を提供することを一目的とする。
また、本発明は、従来のシステムに付随する欠陥のない方法を提供することを他の一目的とする。
Claims (13)
- 被験者に供給する気体に関連する特性を監視するセンサと、該センサに電力を供給するセンサ給電手段とを備える、被験者の気道に気体流を供給する人工呼吸器であって、
前記センサ給電手段は、第1の端部、第2の端部、前記第1の端部と前記第2の端部との間を接続する第1のアーム、及び、該第1のアームに並列に前記第1の端部と前記第2の端部との間を接続する第2のアームを有するホイートストンブリッジ回路と、
前記ホイートストンブリッジ回路の前記第1の端部に接続された第1の正電圧源と、
前記ホイートストンブリッジ回路の前記第2の端部に接続された第1の端部を有するコンデンサと、
該コンデンサの第2の端部に接続された第2の正電圧源とを備え、
(a)前記第1の正電圧源により前記ホイートストンブリッジ回路の前記第1の端部に実質的に零電圧を印加すると共に、前記第2の正電圧源により前記コンデンサの前記第2の端部に正電圧を印加することにより前記センサを消勢し、
(b)前記第1の正電圧源により前記ホイートストンブリッジ回路の前記第1の端部に正電圧を印加しかつ前記第2の正電圧源により前記コンデンサの前記第2の端部に減少する電圧を印加することにより前記センサを付勢するように前記第1の正電圧源と前記第2の正電圧源とを制御するコントローラを備えることを特徴とする、人工呼吸器。 - 前記ホイートストンブリッジ回路の前記第1のアームの中央と前記第1の端部との間に帰還ラインを接続した、請求項1に記載の人工呼吸器。
- 前記ホイートストンブリッジ回路の前記第2のアームの中央から、又は、前記ホイートストンブリッジ回路の前記第1のアームの中央と前記第2のアームの中央との間から出力信号を取出す、請求項1に記載の人工呼吸器。
- 前記ホイートストンブリッジ回路の前記第2の端部と前記コンデンサの前記第1の端部との間に電流調整器を接続した、請求項1に記載の人工呼吸器。
- 前記コントローラは、前記センサを消勢状態に保持し、前記センサを使用して測定するときにのみ前記センサを付勢し、測定を行った後に前記センサを消勢状態に戻す、請求項1に記載の人工呼吸器。
- 前記センサは、圧力センサ、流量センサ、温度センサ、湿度センサ又は気体濃度センサである、請求項1に記載の人工呼吸器。
- 気体流を制御する複数の弁をさらに備え、前記コントローラは、所定のパターンで前記弁を作動する、請求項1に記載の人工呼吸器。
- 人工呼吸器のセンサに電力を供給する方法において、
前記人工呼吸器は、被験者の気道に気体流を供給し、前記センサは、前記被験者への気体の供給に付随する特性を監視し、電力供給は、前記センサに電力を供給し、センサ給電手段は、第1の端部と、第2の端部と、前記第1の端部と前記第2の端部との間を接続する第1のアームと、該第1のアームに並列に前記第1の端部と前記第2の端部との間を接続する第2のアームとを有するホイートストンブリッジ回路と、前記ホイートストンブリッジ回路の前記第2の端部に接続された第1の端部を有するコンデンサとを備え、前記方法は、
(a)前記ホイートストンブリッジ回路の前記第1の端部に実質的に零電圧を印加すると共に、(b)前記コンデンサの前記第2の端部に正電圧を印加することにより前記センサを消勢する過程と、
(a)前記ホイートストンブリッジ回路の前記第1の端部に正電圧を印加すると共に、(b)前記コンデンサの前記第2の端部に減少する電圧を印加することにより前記センサを付勢することを特徴とする、電力供給方法。 - 付勢される前記センサに対応して、前記センサから測定値を取出す過程をさらに含む、請求項8に記載の電力供給方法。
- 前記測定は、圧力測定、流量測定、温度測定、湿度測定又は気体濃度測定である、請求項9に記載の電力供給方法。
- 前記センサは、該センサを使用して測定値を取り出すときにのみ付勢され、それ以外は、前記センサは、消勢される、請求項8に記載の電力供給方法。
- 所定のパターンで複数の弁を作動することにより気体流を制御する過程をさらに含む、請求項8に記載の電力供給方法。
- 前記ホイートストンブリッジ回路の前記第1のアームの中央と前記第1の端部との間に帰還ラインが供給される、請求項8に記載の電力供給方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0402119-2 | 2004-09-03 | ||
SE0402119A SE527820C2 (sv) | 2004-09-03 | 2004-09-03 | Metod och koppling för eliminering av uppvärmningstid och störningar i en ventilator eller anestesimaskin |
PCT/EP2005/009437 WO2006024531A2 (en) | 2004-09-03 | 2005-09-01 | Apparatus and method for driving a sensor in a ventilator priority claim |
Publications (2)
Publication Number | Publication Date |
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JP2008511357A JP2008511357A (ja) | 2008-04-17 |
JP4691559B2 true JP4691559B2 (ja) | 2011-06-01 |
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JP2007528779A Expired - Fee Related JP4691559B2 (ja) | 2004-09-03 | 2005-09-01 | 人工呼吸器のセンサを駆動する装置及び方法 |
Country Status (9)
Country | Link |
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US (1) | US7870858B2 (ja) |
EP (1) | EP1796767B1 (ja) |
JP (1) | JP4691559B2 (ja) |
AT (1) | ATE536902T1 (ja) |
AU (1) | AU2005279292B2 (ja) |
BR (1) | BRPI0514837B8 (ja) |
CA (1) | CA2579080C (ja) |
SE (1) | SE527820C2 (ja) |
WO (1) | WO2006024531A2 (ja) |
Families Citing this family (16)
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US7753836B2 (en) * | 2006-06-15 | 2010-07-13 | The Trustees Of Columbia University In The City Of New York | Systems and methods for inducing electric field pulses in a body organ |
US8545378B2 (en) * | 2006-06-15 | 2013-10-01 | The Trustees Of Columbia University In The City Of New York | Systems and methods for inducing electric field pulses in a body organ |
CN105031796B (zh) * | 2008-05-27 | 2020-03-13 | 菲舍尔和佩克尔保健有限公司 | 用于精确湿度控制的增湿器室温度控制 |
EP2282795A4 (en) | 2008-06-05 | 2016-01-06 | Resmed Ltd | TREATMENT OF RESPIRATORY DISEASES |
US8082312B2 (en) * | 2008-12-12 | 2011-12-20 | Event Medical, Inc. | System and method for communicating over a network with a medical device |
WO2010135425A1 (en) * | 2009-05-19 | 2010-11-25 | The Trustees Of Columbia University In The City Of New York | Systems and methods for inducing electric field pulses in a body organ |
EP2317150B1 (en) | 2009-10-29 | 2019-12-18 | ResMed Pty Ltd | Patient ventilation device and components thereof |
US8171094B2 (en) * | 2010-01-19 | 2012-05-01 | Event Medical, Inc. | System and method for communicating over a network with a medical device |
US9126000B2 (en) * | 2010-02-26 | 2015-09-08 | Nihon Kohden Corporation | Artificial ventilation apparatus |
SG10202100637UA (en) * | 2016-07-22 | 2021-02-25 | Fisher & Paykel Healthcare Ltd | Sensing for respiratory circuits |
AU2017326905B2 (en) * | 2016-09-16 | 2023-04-27 | Fisher & Paykel Healthcare Limited | Thermistor flow sensor having multiple temperature points |
DE102017204082A1 (de) | 2017-03-13 | 2018-09-13 | Hamilton Bonaduz Ag | Vorrichtung zur temperaturkompensierten optischen Erfassung eines Sauerstoffgehalts eines Fluids |
US11123505B2 (en) | 2018-12-05 | 2021-09-21 | Aires Medical LLC | Breathing apparatus with breath detection software |
US11229763B2 (en) | 2018-12-05 | 2022-01-25 | Aires Medical LLC | Mechanical ventilator with oxygen concentrator |
US11400250B2 (en) * | 2018-12-05 | 2022-08-02 | Aires Medical LLC | Mechanical ventilator with non-invasive option |
US11135392B2 (en) * | 2018-12-05 | 2021-10-05 | Aires Medical LLC | Mechanical ventilator |
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JPH1133119A (ja) * | 1997-07-18 | 1999-02-09 | Frontier:Kk | 呼吸回路 |
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US3033195A (en) * | 1957-09-16 | 1962-05-08 | Air Reduction | Respirator apparatus and method |
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US5845636A (en) * | 1989-05-19 | 1998-12-08 | Puritan Bennett Corporation | Method and apparatus for maintaining patient airway patency |
EP1205199A1 (en) | 2000-11-13 | 2002-05-15 | The Technology Partnership Public Limited Company | Aerosol drug-dispensing device with membrane for controlling vacuum during dispensing |
-
2004
- 2004-09-03 SE SE0402119A patent/SE527820C2/sv not_active IP Right Cessation
-
2005
- 2005-09-01 US US11/574,373 patent/US7870858B2/en not_active Expired - Fee Related
- 2005-09-01 WO PCT/EP2005/009437 patent/WO2006024531A2/en active Application Filing
- 2005-09-01 AT AT05776294T patent/ATE536902T1/de active
- 2005-09-01 JP JP2007528779A patent/JP4691559B2/ja not_active Expired - Fee Related
- 2005-09-01 EP EP05776294A patent/EP1796767B1/en active Active
- 2005-09-01 AU AU2005279292A patent/AU2005279292B2/en not_active Ceased
- 2005-09-01 CA CA2579080A patent/CA2579080C/en not_active Expired - Fee Related
- 2005-09-01 BR BRPI0514837A patent/BRPI0514837B8/pt not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4855598A (ja) * | 1971-11-10 | 1973-08-04 | ||
JPH06503484A (ja) * | 1990-12-21 | 1994-04-21 | ピューリタン−ベネット コーポレイション | 気道加圧システム |
JPH1133119A (ja) * | 1997-07-18 | 1999-02-09 | Frontier:Kk | 呼吸回路 |
Also Published As
Publication number | Publication date |
---|---|
US7870858B2 (en) | 2011-01-18 |
ATE536902T1 (de) | 2011-12-15 |
AU2005279292A1 (en) | 2006-03-09 |
CA2579080A1 (en) | 2006-03-09 |
WO2006024531A3 (en) | 2007-11-01 |
WO2006024531A2 (en) | 2006-03-09 |
SE527820C2 (sv) | 2006-06-13 |
SE0402119D0 (sv) | 2004-09-03 |
BRPI0514837A (pt) | 2008-06-24 |
BRPI0514837B8 (pt) | 2021-06-22 |
EP1796767B1 (en) | 2011-12-14 |
SE0402119L (sv) | 2006-03-04 |
AU2005279292B2 (en) | 2011-02-24 |
CA2579080C (en) | 2014-08-19 |
BRPI0514837B1 (pt) | 2017-11-14 |
JP2008511357A (ja) | 2008-04-17 |
US20080121232A1 (en) | 2008-05-29 |
EP1796767A2 (en) | 2007-06-20 |
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