WO2006088007A1 - Appareil d'aide respiratoire - Google Patents

Appareil d'aide respiratoire Download PDF

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Publication number
WO2006088007A1
WO2006088007A1 PCT/JP2006/302501 JP2006302501W WO2006088007A1 WO 2006088007 A1 WO2006088007 A1 WO 2006088007A1 JP 2006302501 W JP2006302501 W JP 2006302501W WO 2006088007 A1 WO2006088007 A1 WO 2006088007A1
Authority
WO
WIPO (PCT)
Prior art keywords
vibration
gas
nasal cavity
subject
supply
Prior art date
Application number
PCT/JP2006/302501
Other languages
English (en)
Japanese (ja)
Inventor
Kazufuku Nitta
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 WO2006088007A1 publication Critical patent/WO2006088007A1/fr

Links

Classifications

    • 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
    • A61M16/12—Preparation of respiratory gases or vapours by mixing different gases
    • 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
    • A61M16/06—Respiratory or anaesthetic masks
    • A61M16/0666—Nasal cannulas or tubing
    • A61M16/0672—Nasal cannula assemblies for oxygen therapy
    • A61M16/0677—Gas-saving devices therefor
    • 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
    • A61M16/12—Preparation of respiratory gases or vapours by mixing different gases
    • A61M16/122—Preparation of respiratory gases or vapours by mixing different gases with dilution
    • A61M16/125—Diluting primary gas with ambient air
    • A61M16/127—Diluting primary gas with ambient air by Venturi effect, i.e. entrainment mixers

Definitions

  • the present invention relates to a respiratory assistance device, and more particularly to a device that assists breathing by supplying inhalation to a nasal cavity.
  • a respiratory assistance device using a ventilator has been known.
  • an endotracheal tube is attached to a so-called Y-piece and this endotracheal tube is intubated into the user's airway.
  • These Y pieces, the inspiratory tube, and the expiratory tube form a breathing circuit.
  • CPAP positive pressure oxygen from the nasal cavity
  • conventional CPAP has a problem that ventilation efficiency in the lung is poor. For this reason, the conventional CPAP is not intended as a substitute for a respiratory support device using a ventilator, but only for those who can breathe spontaneously.
  • the present invention has been made in view of such a situation, and can be easily attached to a subject, can simplify the entire apparatus, and can breathe with high ventilation efficiency in the lungs. It is intended to provide auxiliary equipment.
  • a respiratory assistance device includes a device main body and a vibration generator.
  • the apparatus main body is configured to send inspiratory gas toward the subject's nasal cavity.
  • the vibration generating unit is configured to apply vibration to the intake gas.
  • the device main body has a blower inserted into the nasal cavity of the subject.
  • the apparatus main body may include a supply unit and a supply path.
  • the supply unit is configured to send intake gas toward the supply path.
  • the supply path is a part of a moving path of the intake gas that is sent to the nasal cavity of the subject by the supply force.
  • the vibration generating unit includes a valve mechanism. The valve mechanism is configured to vary the passage amount of the intake gas in the supply passage with time.
  • the frequency of vibration applied to the intake gas by the vibration generator is preferably 3 Hz.
  • the respiratory assistance method according to the present invention is configured to send out an inspiratory gas to which vibration is applied toward the subject's nasal cavity.
  • the respiratory assistance device of the present invention it is possible to provide a respiratory assistance device that can be easily attached to a subject and that can simplify the entire device.
  • This respiratory assistance device includes a device main body 1 and a vibration generator 2 as main elements (see FIG. 1).
  • the device main body 1 sends out inhaled gas toward the subject's nasal cavity.
  • the apparatus main body 1 in this state includes a supply unit 11, a supply path 12, a pressure reducing valve 13, a blow-out port 14, and a nasal force-urele 15 as main elements.
  • the supply unit 11 sends out oxygen gas, which is a part of the intake gas, toward the supply path 12.
  • the supply unit 11 is, for example, a gas cylinder or a pipe arranged indoors.
  • the supply unit 11 is configured to send oxygen gas to the supply path 12 at a positive pressure.
  • the supply path 12 forms a part of the moving path of the intake gas that is sent from the supply unit 11 to the nasal cavity of the subject.
  • the supply path 12 is constituted by a pipe or a flexible tube.
  • the pressure reducing valve 13 is attached in the middle of the supply path 12, and prevents the internal pressure of the supply path 12 from becoming excessive.
  • a pressure reducing valve 13 a conventionally known one can be used, and a detailed description thereof will be omitted.
  • the outlet 14 is a portion for blowing oxygen gas supplied from the supply unit 11 into an opening 153 (described later) of the force-lease 15.
  • the force-leap 15 is formed in a substantially cylindrical shape as a whole, and includes two prones 151, a resistance nozzle 152, and an opening 153.
  • the two blowers 151 have a shape and size that can be inserted into the nasal cavity of the subject. In addition, an opening is formed at the tip (lower end in FIG. 1) of these blowers 151 so that inhaled gas can be blown out to the outside (that is, inside the nasal cavity).
  • the resistance nozzle 152 is formed in a cylindrical shape, and communicates the inside and outside of the force-lay 15 via a thin through hole.
  • the opening 153 is formed so that the air outlet 14 can be disposed inside and the outside air can be introduced into the inside of the force-leap 15.
  • the apparatus main body 1 used in the present embodiment is basically the same as the apparatus conventionally used as N-CPAP, further detailed description is omitted.
  • the vibration generating unit 2 is configured to apply vibration to the intake gas supplied by the supply unit 11 of the apparatus main body 1.
  • the vibration generating unit 2 is realized by a valve mechanism.
  • This vibration generator 2 determines the passage of intake gas through the supply passage 12 over time (ie It is configured to vary (with changes in time).
  • an electromagnetic valve can be used as such a valve mechanism. Control of a valve mechanism such as a solenoid valve can be easily performed by using an appropriate controller.
  • the frequency of vibration applied to the intake gas by the vibration generating unit 2 is in the range of 3Hz to 50Hz!
  • the fixing method may be the method used in normal N-CPAP.
  • oxygen gas that is a part of the intake gas is supplied from the supply unit 11 of the apparatus body 1 to the supply path 1.
  • the vibration generating unit 2 changes the flow of oxygen gas (that is, intake gas) flowing through the supply path 12 with time (that is, with time).
  • oxygen gas that is, intake gas
  • time that is, with time
  • FIG. 1 An example of the oxygen gas passage amount in the vibration generating unit 2 is shown in FIG.
  • the waveform is varied with a square wave shape, but an appropriate waveform such as a sine wave shape or a sawtooth shape can be used.
  • Oxygen gas (intake gas) that has passed through the vibration generating unit 2 is blown out from the air outlet 14 toward the inside of the opening 153 of the force lip 15 with a positive pressure.
  • Figure 3 shows an example of the oxygen gas pressure pattern when blown out.
  • the vibration frequency in the intake gas is almost equal to the vibration frequency in the vibration generating unit 2.
  • the vibration in the intake gas is preferably 3 Hz to 50 Hz. This range of vibration is considered suitable for the exchange of gas in the lung.
  • the oxygen gas blown out to the force-ure 15 travels toward the inside of the force-ure 15.
  • the opening 153 has a negative pressure, and draws external air into the force-relay 15. Accordingly, inside the force-relay 15, the oxygen gas supplied from the supply unit 12 and the air from the external force are mixed and become intake gas.
  • the vibration generator 2 vibrates the oxygen gas, so that the inhalation gas blown into the nasal cavity can be vibrated as shown in FIG. That is, according to the present embodiment, the inhaled gas having vibration can be supplied to the nasal cavity of the subject.
  • inhalation is supplied from the nasal cavity of the subject, it is not necessary to intubate the endotracheal tube into the airway. Then, the possibility of causing pain to the subject can be reduced. Furthermore, it is possible to reduce the time and effort required to install the device.
  • the apparatus of the present embodiment has an advantage that it can be easily attached to a subject and the entire apparatus can be simplified.
  • the inhalation is supplied to the nasal cavity using the blower 151, the inhalation can easily reach the lungs of the subject, and the supply of the inhalation gas can be ensured. There is.
  • the electromagnetic valve is used as the vibration generating unit 2
  • the configuration of the apparatus is simple and the control of the vibration waveform and the frequency is easy.
  • the respiratory assistance device and the respiratory assistance method according to the present invention are not limited to the above-described embodiments, and various modifications can be made without departing from the gist of the present invention.
  • a valve mechanism is assumed as the vibration generating unit 2, but various means can be used as long as it can provide vibration to the intake gas.
  • various means are conceivable, such as a method of vibrating a diaphragm with an electromagnetic coil and a method of vibrating by reciprocating a solenoid or a piston.
  • the mechanism is not limited to a physical mechanism, and may be, for example, a means for generating vibration using a chemical reaction (such as generation of bubbles).
  • the force-urele 15 having the blown 151 is used.
  • any configuration may be used as long as it can supply inhalation gas to the nasal cavity.
  • the use of a nasal mask is considered possible, although the supply efficiency of intake gas is expected to decrease.
  • FIG. 1 is an explanatory diagram showing a schematic configuration of a respiratory assistance device according to an embodiment of the present invention.
  • FIG. 2 is a graph showing an example of the amount of oxygen gas passing through the vibration generating unit.
  • FIG. 3 is a graph showing pressure fluctuations of intake gas supplied to the nasal cavity.

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)
  • Otolaryngology (AREA)
  • Percussion Or Vibration Massage (AREA)

Abstract

La présente invention concerne un appareil d'aide respiratoire qui puisse être facilement installé sur un sujet et qui puisse être généralement simplifié. Cet appareil d'aide respiratoire comprend un corps d'appareil (1) et une partie produisant des vibrations (2). Le corps d'appareil (1) est formé de manière à injecter du gaz d'inspiration vers la cavité nasale du sujet. La partie produisant des vibrations (2) est formée de manière à faire vibrer le gaz d'inspiration. Le corps d'appareil (1) peut injecter le gaz d'inspiration de manière sûre car il comprend des griffes insérées dans la cavité nasale du sujet. La partie produisant des vibrations (2) est formée, par exemple, d'un mécanisme de vanne modifiant la quantité injectée du gaz d'inspiration.
PCT/JP2006/302501 2005-02-15 2006-02-14 Appareil d'aide respiratoire WO2006088007A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005037483A JP4993862B2 (ja) 2005-02-15 2005-02-15 呼吸補助装置
JP2005-037483 2005-02-15

Publications (1)

Publication Number Publication Date
WO2006088007A1 true WO2006088007A1 (fr) 2006-08-24

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ID=36916413

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2006/302501 WO2006088007A1 (fr) 2005-02-15 2006-02-14 Appareil d'aide respiratoire

Country Status (2)

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JP (1) JP4993862B2 (fr)
WO (1) WO2006088007A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010115168A1 (fr) 2009-04-02 2010-10-07 Breathe Technologies, Inc. Procédés, systèmes et dispositifs de ventilation ouverte non vulnérante utilisant des buses d'apport de gaz prévues dans un tuyau extérieur
EP2473221A4 (fr) * 2009-09-03 2015-10-07 Breathe Technologies Inc Procédés, systèmes et dispositifs de ventilation non invasive comprenant une interface de ventilation non étanche avec orifice d'entraînement et/ou élément de pression
JP2015186585A (ja) * 2009-10-29 2015-10-29 レスメド・リミテッドＲｅｓＭｅｄＬｉｍｉｔｅｄ 患者用換気装置およびそれに関する部品
US9962512B2 (en) 2009-04-02 2018-05-08 Breathe Technologies, Inc. Methods, systems and devices for non-invasive ventilation including a non-sealing ventilation interface with a free space nozzle feature
US10265486B2 (en) 2009-09-03 2019-04-23 Breathe Technologies, Inc. Methods, systems and devices for non-invasive ventilation including a non-sealing ventilation interface with an entrainment port and/or pressure feature
US11464928B2 (en) 2013-09-04 2022-10-11 Fisher & Paykel Healthcare Limited Flow therapy
US11491291B2 (en) 2015-03-31 2022-11-08 Fisher & Paykel Healthcare Limited Methods and apparatus for oxygenation and/or CO2 removal

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ708912A (en) 2008-06-05 2016-12-23 Resmed Ltd Treatment of respiratory conditions
US10792449B2 (en) 2017-10-03 2020-10-06 Breathe Technologies, Inc. Patient interface with integrated jet pump

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2798256B2 (ja) * 1988-11-11 1998-09-17 株式会社メトラン 人工呼吸器における呼吸振動発生装置
WO2003066145A1 (fr) * 2002-02-04 2003-08-14 Fisher & Paykel Healthcare Limited Dispositif d'assistance respiratoire

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2798256B2 (ja) * 1988-11-11 1998-09-17 株式会社メトラン 人工呼吸器における呼吸振動発生装置
WO2003066145A1 (fr) * 2002-02-04 2003-08-14 Fisher & Paykel Healthcare Limited Dispositif d'assistance respiratoire

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9962512B2 (en) 2009-04-02 2018-05-08 Breathe Technologies, Inc. Methods, systems and devices for non-invasive ventilation including a non-sealing ventilation interface with a free space nozzle feature
EP2414014A4 (fr) * 2009-04-02 2015-10-07 Breathe Technologies Inc Procédés, systèmes et dispositifs de ventilation ouverte non vulnérante utilisant des buses d'apport de gaz prévues dans un tuyau extérieur
US11707591B2 (en) 2009-04-02 2023-07-25 Breathe Technologies, Inc. Methods, systems and devices for non-invasive open ventilation with gas delivery nozzles with an outer tube
US10709864B2 (en) 2009-04-02 2020-07-14 Breathe Technologies, Inc. Methods, systems and devices for non-invasive open ventilation with gas delivery nozzles with an outer tube
US9180270B2 (en) 2009-04-02 2015-11-10 Breathe Technologies, Inc. Methods, systems and devices for non-invasive open ventilation with gas delivery nozzles within an outer tube
EP3593847A1 (fr) * 2009-04-02 2020-01-15 Breathe Technologies, Inc. Systèmes de ventilation ouverte non invasive avec des buses de distribution de gaz à l'intérieur d'un tube externe
WO2010115168A1 (fr) 2009-04-02 2010-10-07 Breathe Technologies, Inc. Procédés, systèmes et dispositifs de ventilation ouverte non vulnérante utilisant des buses d'apport de gaz prévues dans un tuyau extérieur
US10265486B2 (en) 2009-09-03 2019-04-23 Breathe Technologies, Inc. Methods, systems and devices for non-invasive ventilation including a non-sealing ventilation interface with an entrainment port and/or pressure feature
US11154672B2 (en) 2009-09-03 2021-10-26 Breathe Technologies, Inc. Methods, systems and devices for non-invasive ventilation including a non-sealing ventilation interface with an entrainment port and/or pressure feature
EP2473221A4 (fr) * 2009-09-03 2015-10-07 Breathe Technologies Inc Procédés, systèmes et dispositifs de ventilation non invasive comprenant une interface de ventilation non étanche avec orifice d'entraînement et/ou élément de pression
JP2017109110A (ja) * 2009-10-29 2017-06-22 レスメド・リミテッドＲｅｓＭｅｄ Ｌｉｍｉｔｅｄ 患者用換気装置およびそれに関する部品
US9512856B2 (en) 2009-10-29 2016-12-06 Resmed Limited Patient ventilation device including blower with divided air outlet channels
US10578118B2 (en) 2009-10-29 2020-03-03 ResMed Pty Ltd Patient ventilation device including blower with divided air outlet channels
JP2015186585A (ja) * 2009-10-29 2015-10-29 レスメド・リミテッドＲｅｓＭｅｄＬｉｍｉｔｅｄ 患者用換気装置およびそれに関する部品
US10975880B2 (en) 2009-10-29 2021-04-13 ResMed Pty Ltd Patient ventilation device including blower with scallopped shroud
US11464928B2 (en) 2013-09-04 2022-10-11 Fisher & Paykel Healthcare Limited Flow therapy
EP3030302B1 (fr) * 2013-09-04 2023-02-22 Fisher&Paykel Healthcare Limited Améliorations apportées à un traitement ventilatoire
US11491291B2 (en) 2015-03-31 2022-11-08 Fisher & Paykel Healthcare Limited Methods and apparatus for oxygenation and/or CO2 removal

Also Published As

Publication number Publication date
JP4993862B2 (ja) 2012-08-08
JP2006223339A (ja) 2006-08-31

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