WO2011087113A1 - Dispositif d'enrichissement en oxygène et humidificateur - Google Patents

Dispositif d'enrichissement en oxygène et humidificateur Download PDF

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Publication number
WO2011087113A1
WO2011087113A1 PCT/JP2011/050595 JP2011050595W WO2011087113A1 WO 2011087113 A1 WO2011087113 A1 WO 2011087113A1 JP 2011050595 W JP2011050595 W JP 2011050595W WO 2011087113 A1 WO2011087113 A1 WO 2011087113A1
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WO
WIPO (PCT)
Prior art keywords
humidifier
water
water humidifier
oxygen
oxygen concentrator
Prior art date
Application number
PCT/JP2011/050595
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English (en)
Japanese (ja)
Inventor
直之 飯田
小西　善之
Original Assignee
帝人ファーマ株式会社
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Filing date
Publication date
Application filed by 帝人ファーマ株式会社 filed Critical 帝人ファーマ株式会社
Priority to JP2011550029A priority Critical patent/JP5508439B2/ja
Publication of WO2011087113A1 publication Critical patent/WO2011087113A1/fr

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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
    • A61M16/10—Preparation of respiratory gases or vapours
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/047—Pressure swing adsorption
    • B01D53/053—Pressure swing adsorption with storage or buffer vessel
    • 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
    • A61M2205/14—Detection of the presence or absence of a tube, a connector or a container in an 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/18—General characteristics of the apparatus with alarm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/106—Silica or silicates
    • B01D2253/108—Zeolites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2256/00—Main component in the product gas stream after treatment
    • B01D2256/12—Oxygen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/10—Single element gases other than halogens
    • B01D2257/102—Nitrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/402—Further details for adsorption processes and devices using two beds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/45—Gas separation or purification devices adapted for specific applications
    • B01D2259/4533—Gas separation or purification devices adapted for specific applications for medical purposes

Definitions

  • the present invention relates to an oxygen concentrator and a humidifier, and more particularly to an oxygen concentrator used for oxygen inhalation therapy equipped with a humidifier for appropriately humidifying concentrated oxygen.
  • oxygen inhalation therapy is to allow a patient to inhale oxygen gas or oxygen-enriched gas.
  • Oxygen concentrators, liquid oxygen, oxygen gas cylinders, and the like are known as oxygen supply sources, but oxygen concentrators are mainly used for home oxygen therapy because of convenience during use and ease of maintenance. .
  • the oxygen concentrator is a device that concentrates and supplies about 21% oxygen present in the air, and includes a membrane oxygen concentrator using an oxygen-enriched membrane that selectively permeates oxygen, nitrogen or There is a pressure fluctuation adsorption type oxygen concentrator using an adsorbent capable of preferentially adsorbing oxygen, but the pressure fluctuation adsorption type oxygen concentrator has become the mainstream because a high concentration oxygen enriched gas can be obtained.
  • the pressure fluctuation adsorption type oxygen concentrator is an air compressed by a compressor in an adsorption cylinder filled with molecular sieve zeolite such as 5A type, 13X type, and Li-X type as an adsorbent that selectively adsorbs nitrogen rather than oxygen.
  • the zeolite used as an adsorbent for nitrogen has the property of adsorbing moisture, so that the produced oxygen-enriched gas is discharged in a dry state containing almost no humidity.
  • the oxygen concentrator is equipped with a humidifier for supplying the oxygen-concentrated gas in a humidified state.
  • a humidifier is provided with moisture through a bubble generator that introduces oxygen-enriched gas into water and bubbles it as disclosed in JP-A-7-165402 due to its high humidification performance. Therefore, a bubble humidifier that humidifies the oxygen-enriched gas in a dry state is generally used (Patent Document 1).
  • a humidifier that uses water as a humidification source, regular replenishment of water and cleaning of the humidifier by the user of the apparatus are essential.
  • the humidifier is removed from the oxygen concentrator, the inside of the humidifier is cleaned and the humidifying water is filled, and the patient himself performs the operation of attaching the humidifier again.
  • the handling method of the humidifier itself is very easy for the healthy person, but on the other hand, especially for elderly patients who have difficulty with their hands, the humidifier is oxygen concentrated without closing the lid securely in place. There is a problem that it is attached to the main body of the apparatus and the humidifier is incompletely attached, causing oxygen gas to leak from the connection part.
  • a humidifier with the mounting direction in the vertical direction is used, and tightening of the humidifier lid is in place.
  • a connection structure for connecting the lower part of the humidifying container and the oxygen concentrator main body is known (Patent Document 2).
  • a method of securely attaching a humidifier using a coupler to the connection part of the oxygen concentrator using a humidifier, or automatically confirming that the humidifier is securely attached to the oxygen concentrator main body is known.
  • a method of using a humidifier detection device using a mechanical switch, an electrode, an optical sensor or the like as a position confirmation sensor Patent Document 3).
  • the humidifier with a lateral push-in type has a humidifying oxygen gas inlet and a humidified oxygen gas outlet in the lid of the upper part of the humidifier. Since the fitting position is fixed to the oxygen concentrator main body at the top of the humidifier, and the installation position of the position detection switch is structurally the side of the container below the humidifier, This is due to the contact failure of the switch due to the stroke relationship.
  • the installation and removal direction of the humidifier container can be set up and down, and the detection switch can be arranged on the lower side of the humidifier container. There is a possibility that water droplets adhering to the outside may permeate the detection switch, resulting in equipment failure or malfunction.
  • the container used for the humidifier is often made of a transparent material so that it can be confirmed from the outside that water for humidification is contained inside, and a humidifier detection sensor using an optical sensor is used. In this case, a problem of detection failure occurs, and the high cost of the optical sensor itself becomes a problem.
  • the present invention relates to an oxygen concentrator provided with a water humidifier for separating oxygen in the air to produce an oxygen-enriched gas and humidifying the oxygen-enriched gas.
  • a water humidifier housing part for installing the water humidifier, a humidifier support part comprising an elastic member for supporting the water humidifier in the mounting direction of the water humidifier in the water humidifier housing part, and the water
  • a sensor for detecting a change in position of the water humidifier to the connection home position while compressing the elastic member caused by pressing the humidifier in the mounting direction, and fixing for fixing the water humidifier at the connection home position
  • an oxygen concentrator provided with a water humidifier for separating oxygen in the air to produce an oxygen-enriched gas and humidifying the oxygen-enriched gas.
  • the present invention also includes an openable / closable cover that can be opened and closed at the water humidifier housing opening of the water humidifier housing.
  • the water humidifier is pressed in the connecting direction by closing the open / close cover, and the elastic member is compressed by compression.
  • the pressing means is configured to change the position of the water humidifier to a fixed connection position of the water humidifier
  • the fixing means is a fixing portion that maintains the open / close cover in a state in which the humidifier housing portion is closed.
  • the humidifier is a water humidifier provided with a connection portion that can be mounted in the vertical direction on the oxygen concentrator, and the elastic member becomes an undetected position of the sensor in a state in which an allowable amount of water is added.
  • the oxygen concentrating device is characterized in that it has an elastic modulus that becomes a detection position of the sensor by closing the open / close cover and pressing the water humidifier.
  • the elastic member constituting the humidifier support part is a spring, and has a spring constant that does not fall to a connection fixed position due to the weight of the water humidifier containing an allowable amount of water.
  • the water humidifier support portion is a substantially L-shaped member supported by the water humidifier housing portion with the spring, and the sensor is an L-shaped member on the back surface of the L-shaped member on the side of the water humidifier.
  • an oxygen concentrator that is a mechanical contact switch that detects the position of a water humidifier by movement of
  • the present invention includes an elastic member that supports the water humidifier with respect to the mounting direction of the water humidifier, and presses the water humidifier in the mounting direction so that the connection of the water humidifier generated by the compression of the elastic member is determined.
  • a humidifier comprising a sensor for detecting a position change to a position and a fixing means for fixing the water humidifier at a fixed position, and in particular, a humidifier having an open / close cover at a storage port for housing the water humidifier
  • the water humidifier is pressed by closing the open / close cover, and the elastic member is expanded and contracted to change the position of the water humidifier to the connection fixed position, and the fixing means closes the open / close cover.
  • a humidifying device characterized by being a fixed portion that is maintained in a wet state.
  • a concentrating device can be provided.
  • FIG. 1 is an external view of a pressure fluctuation adsorption type oxygen concentrator which is an embodiment of the present invention
  • FIG. 2 is a flow diagram of the oxygen concentrator
  • FIG. 3 is a configuration diagram of a water humidifier mounting portion of an oxygen concentrator as an embodiment of the present invention
  • FIG. 4 is a schematic diagram of a humidifier detector.
  • FIG. 6, and FIG. 7 are external views of a humidifier housing portion of the oxygen concentrator, which is an embodiment of the present invention.
  • FIG. 1 is an external view illustrating an oxygen concentrating apparatus according to an embodiment of the present invention
  • FIG. 2 is a schematic apparatus configuration diagram showing the flow thereof.
  • the oxygen concentrator 1 is a pressure fluctuation adsorption type oxygen concentrator that adsorbs nitrogen in the air, separates unadsorbed oxygen, and supplies it to a user as an oxygen-enriched gas, which is water for humidifying the oxygen-enriched gas.
  • a humidifier 2 is provided.
  • a water humidifier housing portion 203 is provided at the upper center of the front surface of the casing of the oxygen concentrator main body, and an open / close cover 203 is provided on the upper surface thereof.
  • the water humidifier 2 is connected to the humidifier housing portion 202 from the vertical direction.
  • the In FIG. 2, 1 is an oxygen concentrator, and 3 is a user (patient) who inhales a humidified oxygen-enriched gas.
  • the pressure fluctuation adsorption-type oxygen concentrator 1 passes through an air filter 6 provided in a raw material air intake port of a housing, and further removes fine dust, a filter 101, an intake silencer 102, a compressor 103, a flow path switching valve 104, An adsorption cylinder 105, a check valve 107, a product tank 108, a pressure regulating valve 109, a flow rate setting means 110, and a particle filter 111 are provided.
  • the oxygen concentrator includes a humidifier 2 for humidifying the generated oxygen concentrated gas.
  • a control unit 401 that controls the compressor 103 and the flow path switching valve 104 using the set value of the flow rate setting unit 110 and the measured values of the oxygen concentration sensor 301 and the flow rate sensor 302 is provided. Further, a compressor box 501 for preventing noise from the compressor 103, a cooling fan 502 for cooling the compressor 103, and the like are incorporated in the oxygen concentrator.
  • raw material air taken in from the outside is taken in from an air intake port provided with an external air intake filter 101 and an intake silencer 102 for removing foreign matters such as dust.
  • the filter 101 preferably has a collection efficiency higher than that of the HEPA filter.
  • the air usually contains 1.2% of about 21% oxygen gas, 77% nitrogen gas, 0.8% argon gas, carbon dioxide and other gases.
  • Such an oxygen concentrating device concentrates and extracts oxygen necessary as a breathing gas.
  • an adsorbent made of zeolite that pressurizes the raw air by the compressor 103 and selectively adsorbs nitrogen rather than oxygen.
  • molecular sieve zeolite such as 5A type, 13X type, Li-X type and MD-X type is used.
  • the adsorption cylinder is formed by a cylindrical container filled with the adsorbent, and a single cylinder type, a two cylinder type, or a multi-cylinder type apparatus having three or more cylinders is used. In order to produce gas, it is preferable to use two or more adsorption cylinders.
  • a swing type air compressor may be used, and a rotary type air compressor such as a screw type, a rotary type, or a scroll type may be used.
  • the power source of the electric motor that drives the compressor 103 may be alternating current or direct current.
  • the oxygen-enriched gas mainly composed of oxygen that has not been adsorbed by the adsorption cylinder 105 flows into the product tank 108 through a check valve 107 provided so as not to flow back to the adsorption cylinder, and is temporarily stored.
  • a check valve 107 provided so as not to flow back to the adsorption cylinder, and is temporarily stored.
  • the adsorption cylinder 105 in the pressurized state after the adsorption process for adsorbing nitrogen and generating oxygen is switched to a reduced pressure state at or below atmospheric pressure by the flow path switching valve 104 to desorb and remove nitrogen. This regenerates the adsorbent.
  • the product end side of the adsorption cylinder in one of the two adsorption cylinders is connected to the product end of the adsorption cylinder in the other desorption process, or from the product tank A part of the oxygen-enriched gas may be made to flow backward as a purge gas.
  • an exhaust silencer 503 is generally used because a large air flow noise is generated as high-pressure gas is exhausted from the adsorption cylinder.
  • the oxygen-enriched gas generated from the raw air is temporarily stored in the product tank 108.
  • the oxygen-enriched gas stored in the product tank contains high-concentration oxygen, for example, 95%.
  • the humidifier 2 is a non-water-supply humidifier that takes in moisture from the external air and humidifies the oxygen-enriched gas in a dry state by using a moisture permeable membrane module having a moisture permeable membrane such as Nafion or polyimide, as in the present invention.
  • a bubbling humidifier using water or a surface evaporation humidifier can be used.
  • the oxygen concentrator 1 also includes means for detecting the set value of the flow rate setting means 110 and controlling the amount of air supplied to the adsorption cylinder by controlling the number of revolutions of the motor of the compressor 103 by the control means 401.
  • the humidifier 2 fills the water humidifier container 202 with water as a humidification source, and seals with a humidifier lid 203, and then introduces oxygen into the humidifier housing chamber of the oxygen concentrator main body.
  • the connection positions of the pipe 204 and the oxygen discharge pipe 205 and the introduction port 206 and the discharge port 207 of the humidifier lid 203 are aligned and mounted in the vertical direction.
  • the connection between the humidifier and the oxygen concentrator main body can be completed only by installing the water humidifier 2 in a state where the specified amount of water is filled in the container in the storage chamber 202.
  • the elastic body 213 such as a spring supports the water humidifier 2 with respect to the mounting direction, and the elastic body is compressed by a pressing force that presses the water humidifier downward, so that the elastic body is fixed at a predetermined position by a fixing means.
  • the structure is pulled back by the body 213, and as a result, the opening / closing cover 203 is not closed, and the user can visually recognize the defective mounting of the humidifier.
  • Such fixing means may be a coupler connecting member provided between the humidifier lid and the oxygen introduction pipe or the oxygen discharge pipe, but as shown in FIG. It is preferable to use fixing means.
  • the humidifier 2 is pushed down to a predetermined position only by the operation of closing the opening / closing cover 203 by the patient himself, and the humidifier and the oxygen concentrator main body are securely connected at the predetermined position.
  • the humidifier connection can be completed by the lock mechanism of the opening / closing cover. As shown in FIG.
  • a convex portion 215 is provided on the back surface of the opening / closing cover 203, thereby pushing down the upper ends of the inlet 206 and the outlet 207 of the humidifier lid, and at the root of the handle 216 of the opening / closing cover 203.
  • the open / close cover is closed and the humidifier is connected at a predetermined position.
  • the hook portion 218 is detached from the claw portion 217 and the fixing of the opening / closing cover is released.
  • connection position is not the specified position, the humidifier is pushed up by the pressure of the elastic body, and the open / close cover 203 is opened without closing, so that the connection state can be easily visually confirmed. Further, even when the cannula, which is a means for supplying oxygen-enriched gas, is bent and the pressure inside the humidifier container rises due to the blockage, the open / close cover 203 is closed, and the humidifier 2 is placed at the specified connection position. Since it is fixed, the humidifier container can be prevented from floating upward, and the occurrence of oxygen leakage can be prevented.
  • various position detection means such as a mechanical switch such as a contact switch, an electrode, and an optical sensor can be used.
  • the contact switch can be used as a sensor that reliably detects the cheapest.
  • the sensor for detecting the attachment position has a waterproof function. Is preferred.
  • the sensor determines the mounting position so that it is detected only after reaching the fixed connection position by pressing the humidifier in the mounting direction.
  • the humidifier is supported by an elastic body such as a spring in a floating state simply by being inserted into the oxygen introduction tube and the oxygen discharge tube.
  • a sensor is installed so that position detection is possible only after being fixed at a predetermined position.
  • FIG. 4C shows a state in which the open / close cover of the humidifier is closed to close the water humidifier. Shows a fully connected state.
  • the substantially L-shaped member 211 provided in the storage chamber 202 of the water humidifier is supported by a spring 213 on the back surface thereof as shown in FIG. 4, and humidifies the storage chamber 202 in a state filled with a predetermined amount of water. Even when the device 2 is mounted, the water humidifier 2 is supported in a floating state via the L-shaped member 211 so that the position of the sensor is not detected. Therefore, the humidifier detection lever 212 provided behind the L-shaped member 211 on the side surface of the humidifier does not move downward when the humidifier is mounted, and closes the open / close cover 203 of the humidifier housing chamber.
  • the humidifier detection lever 212 of the L-shaped member 211 moves downward, and the contact switch 214 detects that the humidifier is attached.
  • the humidifier detection lever 212 is supported by a spring 213, and the spring constant of the spring 213 is determined so that it does not fall downward with the weight of the humidifier when the water humidifier 2 is filled with water up to a specified full water amount. ing. Then, by closing the open / close cover 203 of the humidifier housing chamber 202, the humidifier detection lever 212 of the L-shaped member 211 moves downward, and the movement is transmitted to the contact switch 214 which is a humidifier detection switch, so that the humidifier It is possible to detect that the instrument has been installed correctly.
  • the humidifier detection switch When the presence of the humidifier cannot be detected, the humidifier detection switch notifies the user with an alarm or a buzzer so that the oxygen concentrator can be used safely. In this way, when the humidifier is not securely attached at a fixed position, the humidifier is pushed up by the spring, and the humidifier open / close cover is opened so that a mounting abnormality can be visually confirmed. By doing so, it is possible to reliably prevent forgetting to close the open / close cover of the humidifier.
  • the humidifier detection switch 214 is not directly operated by the water humidifier container 202, but is indirectly operated via the humidifier detection lever 212 of the L-shaped member 211, so that the position of the position detection switch is not wetted. It can be provided at a position away from the bottom surface or side surface of a certain humidifier container 202, and sensor failure due to the leakage of humidified water can be prevented.
  • the oxygen concentrator includes a cooling fan, air-cooling heat generating members such as a compressor and electrical components, and exhausts cooling exhaust heat out of the casing. For this reason, negative pressure is generated in the apparatus.
  • the humidifier needs to be replenished and replaced with water, and is installed outside the casing of the oxygen concentrator. It may flow into the housing and cause a malfunction of the humidifier detection switch.
  • sensors can be provided inside the housing, and cooling air containing dust does not pass through the humidifier detection switch. Can be prevented.
  • the oxygen concentrator of the present invention is used as a medical oxygen concentrator as an oxygen supply source for oxygen inhalation therapy for patients suffering from respiratory organ diseases such as asthma, emphysema, and chronic bronchitis. Further, by adopting the water humidifier attachment structure characterized by the present invention, it is possible to reduce the deficiency of the humidifier attachment as much as possible, and it can be used as an oxygen concentrator that can be used more safely or comfortably. .

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Emergency Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Hematology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pulmonology (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Separation Of Gases By Adsorption (AREA)

Abstract

L'invention porte sur un dispositif d'enrichissement en oxygène comportant : un élément de support en forme de L ayant un élément élastique destiné à supporter un humidificateur dans la direction de fixation de l'humidificateur d'eau du dispositif d'enrichissement en oxygène afin de réduire autant que possible la survenue d'anomalie au niveau du dispositif, telle qu'une fuite de gaz provoquée par une fixation défectueuse de l'humidificateur d'eau par un utilisateur ; un capteur destiné à détecter indirectement un changement de position par rapport à la position fixe à laquelle l'humidificateur d'eau est relié, ledit changement étant provoqué par poussée sur l'humidificateur d'eau dans la direction de fixation suite à la fermeture d'un couvercle d'ouverture/fermeture pour comprimer l'élément élastique, par le déplacement de l'élément de support ; et un moyen de fixation destiné à fixer l'humidificateur d'eau à la position fixe.
PCT/JP2011/050595 2010-01-12 2011-01-07 Dispositif d'enrichissement en oxygène et humidificateur WO2011087113A1 (fr)

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JP2011550029A JP5508439B2 (ja) 2010-01-12 2011-01-07 酸素濃縮装置および加湿器

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JP2010003912 2010-01-12
JP2010-003912 2010-01-12

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170361053A1 (en) * 2014-12-18 2017-12-21 Koninklijke Philips N.V. Liquid chamber decoupling system and method
WO2021034202A1 (fr) * 2019-08-20 2021-02-25 Fisher & Paykel Healthcare Limited Appareil d'humidification

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWD174564S (zh) 2014-10-16 2016-03-21 林信湧 氫水及濕化氣體產生器之部分
TWI802507B (zh) * 2022-09-19 2023-05-11 臺北醫學大學 醫療用氧氣加濕裝置及其使用方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0639008U (ja) * 1992-11-05 1994-05-24 山陽電子工業株式会社 医療用酸素濃縮気体供給装置
JP2005287596A (ja) * 2004-03-31 2005-10-20 Teijin Pharma Ltd 呼吸用気体供給装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0639008U (ja) * 1992-11-05 1994-05-24 山陽電子工業株式会社 医療用酸素濃縮気体供給装置
JP2005287596A (ja) * 2004-03-31 2005-10-20 Teijin Pharma Ltd 呼吸用気体供給装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170361053A1 (en) * 2014-12-18 2017-12-21 Koninklijke Philips N.V. Liquid chamber decoupling system and method
US10980966B2 (en) 2014-12-18 2021-04-20 Koninklijke Philips N.V. Liquid chamber decoupling system and method
WO2021034202A1 (fr) * 2019-08-20 2021-02-25 Fisher & Paykel Healthcare Limited Appareil d'humidification
EP4017565A4 (fr) * 2019-08-20 2023-09-20 Fisher & Paykel Healthcare Limited Appareil d'humidification

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