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SE0002449D0 - Method and arrangement for evaluating effective flow resistance of a patient breathing circuit - Google Patents

Method and arrangement for evaluating effective flow resistance of a patient breathing circuit

Info

Publication number
SE0002449D0
SE0002449D0 SE0002449A SE0002449A SE0002449D0 SE 0002449 D0 SE0002449 D0 SE 0002449D0 SE 0002449 A SE0002449 A SE 0002449A SE 0002449 A SE0002449 A SE 0002449A SE 0002449 D0 SE0002449 D0 SE 0002449D0
Authority
SE
Sweden
Prior art keywords
breathing
circuit
arrangement
breathing circuit
gas flow
Prior art date
Application number
SE0002449A
Other languages
English (en)
Inventor
Goeran Rydin
Christer Stroem
Johan Bennarsten
Original Assignee
Siemens Elema Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Elema Ab filed Critical Siemens Elema Ab
Priority to SE0002449A priority Critical patent/SE0002449D0/sv
Publication of SE0002449D0 publication Critical patent/SE0002449D0/sv
Priority to EP01110606A priority patent/EP1166813A3/en
Priority to US09/892,025 priority patent/US6510851B2/en
Priority to JP2001199497A priority patent/JP4938185B2/ja

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/0051Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes with alarm devices
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/021Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes operated by electrical means
    • A61M16/022Control means therefor
    • A61M16/024Control means therefor including calculation means, e.g. using a processor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/0003Accessories therefor, e.g. sensors, vibrators, negative pressure
    • A61M2016/0015Accessories therefor, e.g. sensors, vibrators, negative pressure inhalation detectors
    • A61M2016/0018Accessories therefor, e.g. sensors, vibrators, negative pressure inhalation detectors electrical
    • A61M2016/0021Accessories therefor, e.g. sensors, vibrators, negative pressure inhalation detectors electrical with a proportional output signal, e.g. from a thermistor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/0003Accessories therefor, e.g. sensors, vibrators, negative pressure
    • A61M2016/003Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter
    • A61M2016/0033Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical
    • A61M2016/0036Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical in the breathing tube and used in both inspiratory and expiratory phase
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/70General characteristics of the apparatus with testing or calibration facilities

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Pulmonology (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Emergency Medicine (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Measuring Volume Flow (AREA)
  • Measuring Fluid Pressure (AREA)
SE0002449A 2000-06-29 2000-06-29 Method and arrangement for evaluating effective flow resistance of a patient breathing circuit SE0002449D0 (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE0002449A SE0002449D0 (sv) 2000-06-29 2000-06-29 Method and arrangement for evaluating effective flow resistance of a patient breathing circuit
EP01110606A EP1166813A3 (en) 2000-06-29 2001-04-30 Method and arrangement for evaluating effective flow resistance of a patient breathing circuit
US09/892,025 US6510851B2 (en) 2000-06-29 2001-06-26 Method and arrangement for evaluating effective flow resistance of patient breathing circuit
JP2001199497A JP4938185B2 (ja) 2000-06-29 2001-06-29 患者呼吸回路の有効流れ抵抗を評価するための方法及び装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0002449A SE0002449D0 (sv) 2000-06-29 2000-06-29 Method and arrangement for evaluating effective flow resistance of a patient breathing circuit

Publications (1)

Publication Number Publication Date
SE0002449D0 true SE0002449D0 (sv) 2000-06-29

Family

ID=20280300

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0002449A SE0002449D0 (sv) 2000-06-29 2000-06-29 Method and arrangement for evaluating effective flow resistance of a patient breathing circuit

Country Status (4)

Country Link
US (1) US6510851B2 (sv)
EP (1) EP1166813A3 (sv)
JP (1) JP4938185B2 (sv)
SE (1) SE0002449D0 (sv)

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US5038040A (en) * 1989-09-22 1991-08-06 Agmed Inc. Soil test apparatus
SE0002849D0 (sv) * 2000-08-08 2000-08-08 Siemens Elema Ab Ventilator
SE0102221D0 (sv) * 2001-06-19 2001-06-19 Siemens Elema Ab Method for assessing pulmonary stress and a breathing apparatus
US7438073B2 (en) 2002-03-08 2008-10-21 Kaerys S.A. Air assistance apparatus for computing the airflow provided by only means of pressure sensors
DE60311969T2 (de) * 2002-03-08 2007-10-31 Kaerys S.A. Luftunterstützungsapparat für schnellen druckanstieg und -absenkung während eines atemzuges eines patienten
US7448383B2 (en) 2002-03-08 2008-11-11 Kaerys, S.A. Air assistance apparatus providing fast rise and fall of pressure within one patient's breath
CA2379353C (en) * 2002-03-28 2012-07-31 Joseph Fisher A new method for continuous measurement of flux of gases in the lungs during breathing
EP1610852B1 (en) * 2003-02-18 2018-12-05 Joseph Fisher Breathing circuit to facilitate the measurement of cardiac output during controlled and spontaneous ventilation
SE529989C2 (sv) 2004-09-03 2008-01-29 Ric Investments Llc Gasregulator
US8469026B2 (en) * 2005-06-09 2013-06-25 Maquet Critical Care Ab Ventilator operable in a bioelectric signal-dependent mode, with automatic switching to another mode upon dropout of the bioelectric signal
US7798143B1 (en) * 2005-07-07 2010-09-21 Ric Investments, Llc Respiratory treatment device with patient reporting
EP2017586A1 (en) * 2007-07-20 2009-01-21 Map-Medizintechnologie GmbH Monitor for CPAP/Ventilator apparatus
KR101524100B1 (ko) * 2007-08-22 2015-05-29 더 리서치 파운데이션 오브 스테이트 유니버시티 오브 뉴욕 호흡 가스 전달과 공유 시스템 및 방법
EP2106818B1 (en) * 2008-03-31 2013-12-25 Nellcor Puritan Bennett Llc System for compensating for pressure drop in a breathing assistance system
CN102892449B (zh) * 2010-05-11 2016-04-20 皇家飞利浦电子股份有限公司 压力支持系统中的感应系数补偿
WO2011161561A1 (en) * 2010-06-22 2011-12-29 Koninklijke Philips Electronics N.V. Respiratory interface apparatus
WO2012000096A1 (en) * 2010-06-30 2012-01-05 St. Michael's Hospital Method and system for patient-synchronized ventilatory assist with endotracheal through-flow
US9370633B2 (en) * 2010-09-10 2016-06-21 Carefusion 207, Inc. Nasal intermittent mandatory ventilation (NIMV) control system in a ventilator
US20130006134A1 (en) * 2011-06-30 2013-01-03 Nellcor Puritan Bennett Llc Methods and systems for monitoring volumetric carbon dioxide
DE102011118265B4 (de) 2011-11-11 2016-06-30 Drägerwerk AG & Co. KGaA Beatmungsvorrichtung
WO2013098714A1 (en) 2011-12-30 2013-07-04 Koninklijke Philips Electronics N.V. Airway impedance measurement integrated with respiratory treatment devices
CN104203320B (zh) * 2012-03-21 2017-05-03 皇家飞利浦有限公司 用于在吹排气期间控制吹气压力的系统与方法
US9707363B2 (en) 2012-03-29 2017-07-18 Sonarmed Inc. System and method for use of acoustic reflectometry information in ventilation devices
EP2830497B1 (en) * 2012-03-29 2018-11-07 Jeffrey P. Mansfield System for use of acoustic reflectometry information in ventilation devices
US9950129B2 (en) 2014-10-27 2018-04-24 Covidien Lp Ventilation triggering using change-point detection
EP3274033B1 (en) 2015-03-26 2020-07-29 Sonarmed Inc. Improved acoustical guidance and monitoring system
GB2540444B (en) * 2015-12-07 2017-11-29 Dobbing Christopher Respirator mask management system
EP3463061B1 (en) 2016-05-31 2021-04-07 Sonarmed Inc. Acoustic reflectometry device in catheters
DE102016012824A1 (de) * 2016-10-25 2018-04-26 Drägerwerk AG & Co. KGaA Verfahren und Vorrichtung zum adaptiven Regeln eines positiv endexspiratorischen Drucks (PEEP)
EP3630246B1 (en) * 2017-05-29 2023-03-29 Maquet Critical Care AB Anaesthetic breathing apparatus
US11324906B2 (en) 2017-08-04 2022-05-10 Covidien Lp Acoustic guided suction systems, devices, and methods
CN112118884A (zh) 2018-05-14 2020-12-22 柯惠有限合伙公司 用于利用信号失真的呼吸努力检测的系统和方法
US11752287B2 (en) 2018-10-03 2023-09-12 Covidien Lp Systems and methods for automatic cycling or cycling detection
CN109303960B (zh) * 2018-10-26 2020-11-03 北京怡和嘉业医疗科技股份有限公司 一种通气治疗设备及控制方法
CN109999292A (zh) * 2019-03-29 2019-07-12 北京怡和嘉业医疗科技股份有限公司 用于通气设备的控制系统、方法及通气设备
CN111407283A (zh) * 2020-04-10 2020-07-14 苏州健通医疗科技有限公司 一种肺功能手持测量阻断装置、测量装置和系统
DE102020123138B3 (de) * 2020-09-04 2021-11-04 Drägerwerk AG & Co. KGaA Verfahren und Vorrichtung zur automatischen Festlegung der Sollfrequenz eines Beatmungsgeräts

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8920499D0 (en) * 1989-09-11 1989-10-25 Micro Medical Ltd Apparatus for measuring airway resistance
SE513969C2 (sv) * 1997-05-17 2000-12-04 Draegerwerk Ag Anordning och förfarande för bestämning av respirationssystemetsmekaniska egenskaper
DE19734203A1 (de) * 1997-08-07 1999-02-25 Greiner Wolfgang Dr Vorrichtung zur Bestimmung des Atemwiderstandes
US6257234B1 (en) * 1998-08-21 2001-07-10 Respironics, Inc. Apparatus and method for determining respiratory mechanics of a patient and for controlling a ventilator based thereon
SE9802827D0 (sv) * 1998-08-25 1998-08-25 Siemens Elema Ab Ventilator
US6390091B1 (en) * 1999-02-03 2002-05-21 University Of Florida Method and apparatus for controlling a medical ventilator

Also Published As

Publication number Publication date
EP1166813A2 (en) 2002-01-02
US20020020410A1 (en) 2002-02-21
US6510851B2 (en) 2003-01-28
JP2002143309A (ja) 2002-05-21
JP4938185B2 (ja) 2012-05-23
EP1166813A3 (en) 2003-07-16

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