CA2938029C - Respiratory assistance device - Google Patents

Respiratory assistance device Download PDF

Info

Publication number
CA2938029C
CA2938029C CA2938029A CA2938029A CA2938029C CA 2938029 C CA2938029 C CA 2938029C CA 2938029 A CA2938029 A CA 2938029A CA 2938029 A CA2938029 A CA 2938029A CA 2938029 C CA2938029 C CA 2938029C
Authority
CA
Canada
Prior art keywords
blower
gas
upstream
downstream
assistance device
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CA2938029A
Other languages
English (en)
French (fr)
Other versions
CA2938029A1 (en
Inventor
Kazufuku Nitta
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Metran Co Ltd
Original Assignee
Metran Co Ltd
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 Metran Co Ltd filed Critical Metran Co Ltd
Publication of CA2938029A1 publication Critical patent/CA2938029A1/en
Application granted granted Critical
Publication of CA2938029C publication Critical patent/CA2938029C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • A61M16/10Preparation of respiratory gases or vapours
    • A61M16/14Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
    • A61M16/16Devices to humidify the respiration air
    • A61M16/161Devices to humidify the respiration air with means for measuring the humidity
    • 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
    • A61M16/0057Pumps therefor
    • A61M16/0066Blowers or centrifugal pumps
    • 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
    • A61M16/06Respiratory or anaesthetic masks
    • 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
    • A61M16/10Preparation of respiratory gases or vapours
    • A61M16/1075Preparation of respiratory gases or vapours by influencing the temperature
    • 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
    • A61M16/10Preparation of respiratory gases or vapours
    • A61M16/1075Preparation of respiratory gases or vapours by influencing the temperature
    • A61M16/108Preparation of respiratory gases or vapours by influencing the temperature before being humidified or mixed with a beneficial agent
    • 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
    • A61M16/10Preparation of respiratory gases or vapours
    • A61M16/1075Preparation of respiratory gases or vapours by influencing the temperature
    • A61M16/1085Preparation of respiratory gases or vapours by influencing the temperature after being humidified or mixed with a beneficial agent
    • 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
    • A61M16/10Preparation of respiratory gases or vapours
    • A61M16/14Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
    • A61M16/16Devices to humidify the respiration air
    • 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
    • A61M16/0057Pumps therefor
    • A61M16/0066Blowers or centrifugal pumps
    • A61M16/0069Blowers or centrifugal pumps the speed thereof being controlled by respiratory parameters, e.g. by inhalation
    • 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
    • A61M16/10Preparation of respiratory gases or vapours
    • A61M16/14Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
    • A61M16/142Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase with semi-permeable walls separating the liquid from the respiratory gas
    • 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
    • A61M2016/0027Accessories therefor, e.g. sensors, vibrators, negative pressure pressure meter
    • 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
    • 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
    • A61M2205/33Controlling, regulating or measuring
    • A61M2205/3368Temperature
    • 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
    • A61M2205/36General characteristics of the apparatus related to heating or cooling
    • A61M2205/3666General characteristics of the apparatus related to heating or cooling using heat loss of a motor
    • 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
    • A61M2205/50General characteristics of the apparatus with microprocessors or computers

Landscapes

  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Air Humidification (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
CA2938029A 2014-01-31 2015-01-28 Respiratory assistance device Active CA2938029C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2014016732A JP6326568B2 (ja) 2014-01-31 2014-01-31 呼吸補助装置
JP2014-016732 2014-01-31
PCT/JP2015/052378 WO2015115489A1 (ja) 2014-01-31 2015-01-28 呼吸補助装置

Publications (2)

Publication Number Publication Date
CA2938029A1 CA2938029A1 (en) 2015-08-06
CA2938029C true CA2938029C (en) 2018-03-20

Family

ID=53757062

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2938029A Active CA2938029C (en) 2014-01-31 2015-01-28 Respiratory assistance device

Country Status (6)

Country Link
US (1) US20160339201A1 (OSRAM)
EP (1) EP3095479A4 (OSRAM)
JP (1) JP6326568B2 (OSRAM)
AU (1) AU2015211834B2 (OSRAM)
CA (1) CA2938029C (OSRAM)
WO (1) WO2015115489A1 (OSRAM)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6899143B2 (ja) 2015-10-16 2021-07-07 株式会社メトラン 呼吸補助装置
SG11201803030VA (en) 2015-10-23 2018-05-30 Fisher & Paykel Healthcare Ltd Apparatus for providing a flow of air to a user
JP6273466B2 (ja) 2016-08-03 2018-02-07 株式会社メトラン 呼吸補助プログラム、呼吸補助装置
WO2018056356A1 (ja) 2016-09-26 2018-03-29 株式会社メトラン 呼吸補助装置、呼吸補助方法
US20220331532A1 (en) * 2021-04-19 2022-10-20 Macksoud Khan Hoseless cpap machine

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5687714A (en) * 1995-10-10 1997-11-18 The United States Of America As Represented By The Department Of Health And Human Services Self-cleaning endotracheal tube apparatus
US20060096596A1 (en) * 2004-11-05 2006-05-11 Occhialini James M Wearable system for positive airway pressure therapy
JP4771711B2 (ja) * 2005-02-15 2011-09-14 株式会社メトラン 呼吸回路用の加湿装置
CN101808689B (zh) * 2007-08-14 2013-10-09 柔性塑料集团 呼吸系统
EP2244774A1 (en) * 2008-02-26 2010-11-03 Koninklijke Philips Electronics N.V. Pressure support system with upstream humidifier
CN114099876A (zh) * 2009-08-11 2022-03-01 瑞思迈发动机及马达技术股份有限公司 单级轴对称鼓风机和便携式通风机
CA2778080A1 (en) * 2009-10-20 2011-04-28 Deshum Medical, Llc Integrated positive airway pressure apparatus
US9155857B2 (en) * 2009-10-20 2015-10-13 Human Design Medical, Inc. CPAP system with heat moisture exchange (HME) and multiple channel hose
CA3036426A1 (en) * 2010-04-27 2011-11-03 Fisher & Paykel Healthcare Limited Apparatus for supplying gases to a patient
EP3865169A1 (en) * 2012-02-02 2021-08-18 Fisher & Paykel Healthcare Limited Respiratory assistance apparatus
US9839758B2 (en) * 2012-06-01 2017-12-12 Gregory Heimel Water and air preconditioning apparatus
JP5211302B1 (ja) 2012-09-03 2013-06-12 株式会社メトラン 送風機
JP5358773B1 (ja) * 2013-02-21 2013-12-04 株式会社メトラン 呼吸補助装置

Also Published As

Publication number Publication date
JP6326568B2 (ja) 2018-05-23
AU2015211834A1 (en) 2016-08-18
AU2015211834B2 (en) 2017-11-02
JP2015142646A (ja) 2015-08-06
EP3095479A1 (en) 2016-11-23
CA2938029A1 (en) 2015-08-06
US20160339201A1 (en) 2016-11-24
WO2015115489A1 (ja) 2015-08-06
EP3095479A4 (en) 2016-12-28

Similar Documents

Publication Publication Date Title
CA2938029C (en) Respiratory assistance device
US11666726B2 (en) Breathing assistance apparatus with a manifold to add auxiliary gases to ambient gases
US11730913B2 (en) Apparatus for supplying gases to a patient
US12090270B2 (en) Thermistor flow sensor having multiple temperature points
EP1973577B1 (en) Breathing assistance apparatus with thermal disinfection conduit
TWI671091B (zh) 用於呼吸治療器件之增濕器
CN114061085B (zh) 用于控制空调的方法及装置、空调、存储介质
CN103079625B (zh) 便携式加湿系统以及用于该系统的转接器
JP2023059282A5 (OSRAM)
WO2021135942A1 (zh) 一种通气治疗设备湿化控制系统和方法
Sottiaux Consequences of under-and over-humidification.
JP2019533559A5 (OSRAM)
JP7526199B2 (ja) 加湿システム内の誤接続を検知するシステム及び方法
JP2006501881A (ja) 加湿システムのための隔離された温度センサ
JPH06510690A (ja) 患者が吐き出した空気中の二酸化炭素の存在を示すための装置
Oto et al. Hygrometric properties of inspired gas and oral dryness in patients with acute respiratory failure during noninvasive ventilation
CN112672778B (zh) 在患者接口中具有冷凝防护的呼吸装置
CN204840557U (zh) 一种呼吸设备
JP2015142646A5 (OSRAM)
JP2006223332A (ja) 呼吸回路用の加湿装置
CN113171523B (zh) 通气管路和呼吸设备
CN219662566U (zh) 一种通气治疗设备
Lucato et al. Evaluating humidity recovery efficiency of currently available heat and moisture exchangers: a respiratory system model study
CN204745284U (zh) 带报警功能的呼吸机湿化装置
CN204815269U (zh) 一种可调式麻醉、呼吸机用温湿度控制系统

Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20160726