WO2005016426A1 - 酸素濃縮装置及びそれを用いた在宅酸素療法の実行支援方法 - Google Patents
酸素濃縮装置及びそれを用いた在宅酸素療法の実行支援方法 Download PDFInfo
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- WO2005016426A1 WO2005016426A1 PCT/JP2004/011865 JP2004011865W WO2005016426A1 WO 2005016426 A1 WO2005016426 A1 WO 2005016426A1 JP 2004011865 W JP2004011865 W JP 2004011865W WO 2005016426 A1 WO2005016426 A1 WO 2005016426A1
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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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
- G06Q50/22—Social work
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H10/00—ICT specially adapted for the handling or processing of patient-related medical or healthcare data
- G16H10/60—ICT specially adapted for the handling or processing of patient-related medical or healthcare data for patient-specific data, e.g. for electronic patient records
- G16H10/65—ICT specially adapted for the handling or processing of patient-related medical or healthcare data for patient-specific data, e.g. for electronic patient records stored on portable record carriers, e.g. on smartcards, RFID tags or CD
-
- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H20/00—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance
- G16H20/10—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to drugs or medications, e.g. for ensuring correct administration to patients
- G16H20/13—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to drugs or medications, e.g. for ensuring correct administration to patients delivered from dispensers
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H40/00—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices
- G16H40/60—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices
- G16H40/67—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for remote operation
-
- 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
- A61M2016/0015—Accessories therefor, e.g. sensors, vibrators, negative pressure inhalation detectors
- A61M2016/0018—Accessories therefor, e.g. sensors, vibrators, negative pressure inhalation detectors electrical
- A61M2016/0021—Accessories therefor, e.g. sensors, vibrators, negative pressure inhalation detectors electrical with a proportional output signal, e.g. from a thermistor
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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
- A61M16/0003—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
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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
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/02—Gases
- A61M2202/0208—Oxygen
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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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3375—Acoustical, e.g. ultrasonic, measuring means
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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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/35—Communication
- A61M2205/3546—Range
- A61M2205/3553—Range remote, e.g. between patient's home and doctor's office
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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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/35—Communication
- A61M2205/3576—Communication with non implanted data transmission devices, e.g. using external transmitter or receiver
- A61M2205/3584—Communication with non implanted data transmission devices, e.g. using external transmitter or receiver using modem, internet or bluetooth
-
- 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
- A61M2205/50—General characteristics of the apparatus with microprocessors or computers
- A61M2205/502—User interfaces, e.g. screens or keyboards
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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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/50—General characteristics of the apparatus with microprocessors or computers
- A61M2205/52—General characteristics of the apparatus with microprocessors or computers with memories providing a history of measured variating parameters of apparatus or patient
Definitions
- the present invention relates to an oxygen concentrator and a method for supporting the execution of home oxygen therapy, and in particular, it is possible to reliably and securely determine whether or not a home oxygen therapy patient who continues to inhale oxygen-enriched gas at home is inhaling as prescribed. It relates to a configuration that can be easily known. Background art
- a respiratory gas supply device (hereinafter also referred to as an oxygen concentrator) has been developed to obtain oxygen-enriched gas by separating and concentrating oxygen in the air for patients with respiratory diseases.
- Therapy has become increasingly popular.
- oxygen therapy may be performed while the patient is admitted to a medical institution, but the patient's respiratory disease presents with chronic symptoms, and the oxygen therapy is performed over a long period of time to calm down and stabilize the symptoms.
- the oxygen concentrator described above is installed in the patient's home, and the oxygen-enriched gas supplied by the oxygen concentrator is supplied to the patient using a tube member called force-urine.
- a treatment method in which the patient is guided near the nasal cavity and aspirated. This type of treatment is specifically referred to as home oxygen therapy or HOT (Home Oxygen Therapy).
- the above-mentioned home oxygen therapy has been prescribed mainly for chronic obstructive pulmonary disease (COPD) and sequelae of pulmonary tuberculosis since the insurance was applied in 1985, and the number of patients is summarized in Japan. For a population of 100,000, it is 60-65, or about 80,000 (as of 2000).
- COPD chronic obstructive pulmonary disease
- the fact that this home oxygen therapy improves the prognosis of patients' lives has also been reported by the former Ministry of Health and Welfare's Respiratory Failure Group.
- the reason why home oxygen therapy is effective in this way is because of the improvement of hypoxemia. This is presumed to be due to improvement in pulmonary hemodynamics.
- the above-mentioned home oxygen therapy includes (1) the examination of the patient by the doctor, (2) the issuance of the home oxygen therapy execution instructions by the doctor which describes the prescription for this patient based on the consultation, and (3) the instruction of the home oxygen therapy. (4) Continue to inhale oxygen-enriched gas using the oxygen concentrator, (5) Periodically, for example, once a month at a hospital visit. Be executed. Disclosure of the invention
- the physician issues an instruction as described above, which specifies the oxygen therapy prescription that this patient should receive.
- the above prescription describes (1) the oxygen concentration of the oxygen-enriched gas to be supplied to the patient, and (2) the flow rate and the use time of the oxygen-enriched gas to be supplied to the patient.
- doctors can directly check the presence or absence of inhalation and gas supply conditions at the site where inhalation is performed. Can not.
- the doctor it is necessary for the doctor to ask the patient at regular intervals, for example, once a month for outpatient care, to check whether or not the inhalation is being performed as prescribed.
- the answer may be different from the doctor's question.
- the physician confirms the therapeutic effects of home oxygen therapy and formulates a future treatment policy based on the results of the patient's consultation at the time of hospital visit, the results of the examination, and the results of the interview, and so on. May be different from the facts, which is a major obstacle to continuing home oxygen therapy.
- a respiratory gas supply apparatus (corresponding to the above oxygen concentrator) was used.
- Has information collection means The information collecting means collects and accumulates information including the oxygen concentration and the flow rate of the supplied gas, and the transmitting means provided in the respiratory gas supply device is provided outside through a telephone line or the like. It is configured to transmit to a predetermined consultation means.
- the present invention has been made in view of the above circumstances, and it is determined by a medical professional whether a home oxygen therapy patient who continues to inhale oxygen-enriched gas at home is inhaling as prescribed. Another object of the present invention is to provide an oxygen concentrator and a home oxygen therapy execution support method which can be easily obtained.
- the present invention provides an oxygen concentrator having the respective configurations described in 1) to 11) below, and a method for supporting the execution of home oxygen therapy using the same.
- the supply conditions of the oxygen-enriched gas supplied to the user should be It has a recording means for recording, so that the recorded oxygen-enriched gas supply conditions can be checked at the medical institution at the hospital
- An oxygen concentrating device having output means or display means for performing the operation.
- the oxygen concentrator according to the above 1) comprising:
- the recording device is a unit that records at least one supply condition of a supply flow rate set value of the oxygen-enriched gas, an actual measurement value of the supply flow rate, and a supply time history record. ) Or the oxygen concentrator according to 2).
- the oxygen concentrator according to any one of the above 1) to 3), further comprising: means for detecting whether or not the patient is breathing, wherein the recording means is means for recording a respiration detection result.
- the arithmetic means comprises at least one of an average use time, an average use flow rate, an average exertion rate, an average synchronizing flow rate, an average continuous flow rate, a respiratory rate, a respiratory rate during exertion, and the number of days of non-use of the device.
- the oxygen concentrator according to any one of the above 2) to 4), which is means for calculating patient compliance.
- the computing means may include a change in patient compliance of at least one of a use time, a use flow rate, a work rate, a synchronized flow rate, a continuous flow rate, a respiratory rate, a respiratory rate at work, or a unit of a predetermined time period.
- the oxygen concentrator according to any one of the above 2) to 4), which is means for calculating a change.
- Oxygen richness supplied to home oxygen therapy patients by a portable oxygen concentrator The system is characterized in that the supply conditions of the gasified gas are recorded, the recorded supply conditions are compared with the supply conditions previously treated for this patient, the compliance of the patient is calculated, and the calculated compliance of the patient is output or displayed. How to support home oxygen therapy.
- a method for assisting the execution of home oxygen therapy which comprises comparing a supply condition with a patient, detecting a compliance status of a patient's prescription condition and using or not using a device, and calculating a patient compliance.
- the patient compliance is based on the average usage time, average usage flow rate, average exertion rate, average synchronizing flow rate, average continuous flow rate, respiratory sensitivity, respiratory sensitivity during exertion, and number of days of non-use of the oxygen concentrator.
- the patient compliance is within a predetermined period of patient compliance of at least one of use time, use flow rate, exertion rate, synchronized flow rate, continuous flow rate, respiratory sensitivity, and respiratory sensitivity during exertion of the oxygen concentrator.
- FIG. 1 is a connection diagram of an oxygen concentrator according to an embodiment of the present invention.
- FIG. 2 is a configuration diagram of the oxygen concentrator of FIG. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 shows an embodiment of the present invention.
- FIG. 2 is a connection diagram of an oxygen concentrator according to a more preferred embodiment, and FIG. 2 is a configuration diagram of the oxygen concentrator of FIG.
- the oxygen concentrator 1 of the present embodiment is a device that separates nitrogen in the air and supplies high-concentration oxygen (oxygen-enriched gas) mainly for use in home oxygen therapy.
- molecular sieve zeolite 5A, 13X, or lithium zeolite as an adsorbent capable of selectively adsorbing nitrogen over oxygen is filled into an adsorption cylinder (in adsorption unit 5), and an air compressor ( This is a pressure fluctuation adsorption type oxygen concentrator that extracts oxygen by supplying pressurized air produced by a compressor 4).
- the configuration related to the basic oxygen concentrating function of the oxygen concentrator is not limited to the mode described here, but may be a known configuration or various configurations to be proposed in the future. I can do it.
- the oxygen concentrator 1 of this embodiment which is a pressure fluctuation adsorption-type oxygen concentrator, has an adsorption cylinder (adsorption unit) filled with an adsorbent that selectively adsorbs nitrogen rather than oxygen. 5), pressurized air compressed from the atmosphere by the compressor 4 is supplied, the inside of the adsorption cylinder is pressurized, nitrogen is adsorbed, and oxygen not adsorbed is taken out.
- adsorption cylinder adsorption unit
- the oxygen-enriched gas mainly containing oxygen extracted from the adsorption column is stored in the product tank 6, then supplied to the outside of the device 1 from the product supply end 9 through the ultrasonic sensor unit 7 and the respiratory tuning unit 8,
- the oxygen-enriched gas is supplied to the user (oxygen-treated patient) via the nasal power supply 12 which is a tube member that transports the oxygen-enriched gas from the oxygen concentrator 1 to the vicinity of the patient's nasal cavity.
- the flow path switching valve is switched before the amount of nitrogen adsorbed by the adsorbent is saturated.
- the adsorber is opened to the atmosphere to reduce the pressure inside the adsorber and desorb nitrogen to regenerate the adsorbent.
- the flow path switching valve is controlled by the main control unit 14 so as to be switched according to a preset time. Controlled.
- the pressure inside the adsorption cylinder in the desorption step may be evacuated using a vacuum pump.
- the oxygen concentrator 1 of this embodiment is not fixedly installed at the patient's house but is realized as a portable type.For example, it is described in Japanese Patent No. 3269626. It is a desirable embodiment to use the configuration described above to provide an adsorption unit 5 having a rotary valve means for sequentially and continuously forming gas flow paths for pressurizing and desorbing a plurality of adsorption cylinders. As described in Japanese Unexamined Patent Application Publication No.
- the ultrasonic sensor unit 7 controls the direction in which the oxygen-enriched gas flows
- the propagation speed of two sound waves, for example, ultrasonic waves, in the same direction and the opposite direction, is measured, and the actual flow rate of the oxygen-enriched gas flowing through the nasal power 2 c is determined from the difference between the two measured values. Can be measured. Further, a configuration for measuring the actual flow rate of the oxygen-enriched gas using another configuration or method may be provided.
- the respiratory tuning unit 8 detects the patient's breathing and supplies the oxygen-enriched gas only during the inspiration period (while inhaling air), and stops the supply during the expiration period (while inhaling air). By realizing the function of so-called demand regulation, it is intended to conserve the amount of oxygen-enriched gas supplied to the patient without affecting the patient's inhalation. In the operation mode in which the battery is used as the power supply source, the power consumption can be reduced, and in the operation mode in which the rechargeable battery is used as the power supply source, the operation time until the next charge can be extended.
- the operation mode in which the patient's breathing is detected and oxygen-enriched gas is supplied only during the inspiration period (hereinafter also referred to as “tuning mode”), and the oxygen enrichment at a constant flow rate regardless of the patient's breathing
- the oxygen concentrator 1 is provided with an operation switch (not shown) for switching between an operation mode in which gas is always supplied (hereinafter, also referred to as a continuous mode).
- the operation switch is always operated during sleep.
- I'm wearing This is to ensure that the supply of oxygen-enriched gas can be continued even if the sleeping patient does not breathe through the mouth instead of the nasal cavity.
- a specific configuration for detecting a patient's respiration is, for example, as described in Japanese Patent Application Laid-Open No. 2002-272845 filed by the present applicant, using an optical microphone to output an audio signal (patient's respiration). Sound) is converted to an optical signal, then converted to a voltage signal, and further converted to a frequency to perform analysis in the frequency domain, and to detect respiration based on the difference in frequency band.
- No. 70 a method of providing a sensor consisting of a pyroelectric element on the nasal force and a diaphragm type pressure gauge as described in Japanese Patent Publication No. 5-71894.
- the pressure detector is connected to the oxygen supply port of the oxygen concentrator main body.
- oxygen-enriched gas based on the signal from the pressure detector A method for controlling the supply, or may be realized by other methods that.
- the display unit 10 is a display unit including a display member such as a liquid crystal panel and a peripheral interface unit, and displays information transmitted from the main control unit 14 on this display member.
- the contents of the data displayed by the display unit 10 include the contents displayed by the conventional oxygen concentrator, such as the display of the operation ON state, the display of alarms and alarms, and the display of the set flow rate.
- the conventional oxygen concentrator such as the display of the operation ON state, the display of alarms and alarms, and the display of the set flow rate.
- information on the history of the supply conditions to which the oxygen-enriched gas was supplied, and the tendency of the patient to comply with the prescription instructions obtained by comparing the information on the history of the supply conditions with the contents of the prescription are shown.
- Patient compliance information The specific contents of this patient compliance information will be described later.
- An information output terminal 11 is an output terminal or transmission interface for transmitting various information transmitted from the main control unit 14 to a device outside the oxygen concentrator 1 such as a personal computer via a wireless or wired transmission line. And may be configured in accordance with RS-232C, USB, Bluetooth or other known communication standards.
- the information to be sent out is, in addition to the contents displayed by the conventional oxygen concentrator, information on the supply condition history of the supply of the oxygen-enriched gas and information on the supply condition history as described later. And the patient compliance information obtained by comparing the prescription contents with the prescription contents.
- the flow rate setting unit 12 is used by the user such as a patient to set and control the flow rate of the oxygen-enriched gas to be supplied.For example, by rotating the dial switch, 1 liter / minute, 2 liter / minute When a desired selection value is selected from among 3 liters, 3 liters, Z minutes, etc., the main control unit 14 that detects this selection value controls the operation speed of the compressor 4 and the adsorption unit 5 and sets it. This is to achieve a desired flow rate.
- the compressor 4 includes a compressor drive motor for driving the compressor 4, and the compressor drive motor is generated and output by the power supply control unit 3 so as to achieve the rotation speed set by the main control unit 14.
- the compressor 4 is rotationally driven according to the current.
- the compression mechanism of the compressor 4 compresses air using the rotational force obtained by the compressor drive motor.
- compression systems including reciprocating piston type and rotary type.
- a scroll type is generally used, but any type can be used as long as it can compress atmospheric air.
- the power supply control unit 3 has a function of supplying power to each component included in the device 1 in addition to the drive current output for driving the compressor 4 as described above.
- the oxygen concentrator 1 according to the present embodiment is characterized in that it is portable and portable.
- the conventional typical fixed installation type oxygen concentrator has a power supply method using only a household AC power supply.
- the three-way power supply system of the built-in battery, AC power supply for home use, and DC power supply for car is adopted. Therefore, the outer peripheral part of the housing facing the outside of the device A power supply input terminal 2 is provided, through which power can be supplied by DC from the AC power supply unit 15 or the vehicle power supply unit 16 connected to the cigarette lighter contact in the vehicle.
- a battery 13 that can be repeatedly charged in a detachable manner is provided inside the oxygen concentrator 1, and when power cannot be supplied through the power input terminal 2, the battery 13 discharges power. Supply power to control unit 3.
- the battery 13 is charged with the power supplied from the AC power supply unit 15 or the vehicle power supply unit 16 while the battery 13 is mounted on the oxygen concentrator 1 and the power supply input terminal 2 and the power supply control unit. It is implemented by being supplied via 3.
- the main control unit 14 controls the respective components of the oxygen concentrator 1 to supply oxygen-enriched gas, and has the same function as the oxygen concentrator of the conventional configuration.
- the oxygen concentrator 1 of the present embodiment has a characteristic configuration for realizing the portable and portable functions, in addition to the points described above, for example, the required degree of dustproof and dripproof.
- the mass and volume of the oxygen concentrator 1 have been greatly reduced in order to make it portable, and for example, a conventional fixed installation type typical oxygen concentrator had a mass of about 30 kg.
- a conventional fixed installation type typical oxygen concentrator had a mass of about 30 kg.
- the device 1 of the present embodiment is configured to have a mass of less than 5 kg and is easy to carry, it is easy for a patient to join a medical institution to which he / she goes to hospital.
- patient 1b when patient 1b is in patient's home 1a and undergoes oxygen therapy, it can receive power from a home AC power supply, inhale oxygen-enriched gas, and If the inhalation is performed by the battery 13 drive, the patient 1b can continue the inhalation while freely moving in the patient's premises with the device 1 without restriction of the AC outlet.
- the inconvenience of connecting a long-lasting force with a length of meters to the oxygen concentrator and inhaling via the second-time force with a extension tube is eliminated.
- a feature of the present embodiment is that the main control unit 14 included in the apparatus 1 controls the supply of the oxygen-enriched gas at all times or at an appropriate timing when the oxygen-enriched gas is supplied.
- Supply history information which is a history of conditions, is continuously recorded and stored in an internal memory unit (not shown) as so-called journal data together with time information. That is, the history information of the supply time is recorded and held.
- the data included in the supply history information was detected by the respiratory synchronization unit 8 in addition to the supply time history (supply time history), as well as the oxygen concentration of the supply gas, the supply flow rate, Information on the presence or absence of breathing of patient 1b, etc.
- the information on the flow rate may be the value of the flow rate actually flowing through the force sensor measured by the ultrasonic sensor unit 7, or the specified flow rate set and operated. Good, or both. Further, other information may be recorded and held at the same time as the supply history information.
- the other information includes, for example, the operation information of the oxygen concentrator 1 (information that informs the operation status of the compressor 4 and the adsorption unit 5, information on what power is being supplied, and information on the remaining power of the battery 13).
- Information information on the accumulated use time of the device 1, information on the oxygen concentration of the supplied gas, etc.), the presence or absence of rotation of the wheels attached to the housing, and the rotation speed. If the device 1 has a position detecting means such as a GPS terminal, information on the current position may be used.
- an acceleration sensor may be installed in advance in the oxygen concentrator 1 and information on the movement of the oxygen concentrator 1 obtained from the acceleration sensor may be used. Since the patient is likely to carry the oxygen concentrator 1 during exertion, the patient's exercise status can be grasped directly from the record.
- the supply history information, the other information described above, and the patient compliance information described below are recorded and held not only in the memory inside the main control unit 14 but also in an independently provided memory means.
- a removable memory means like MemoryStick- TM or SD Card- TM
- when going to the medical institution 2a use only these removable memory means instead of the whole oxygen concentrator 1 It may be taken out and brought to the medical institution 2a.
- the oxygen concentrator 1 is used as a method of passing the supply history information and other information described above, and the patient compliance information described below to the information equipment of the medical institution.
- the main controller 14 of the device 1 determines the degree to which the oxygen therapy is being performed as prescribed, or the prescription instruction of this patient. It generates patient compliance information, which is a data indicating the tendency to comply, and records and stores the information in a memory unit in the main control unit 14 or other memory means.
- the patient compliance information is obtained by comparing the supply history information with the prescription information of the patient previously stored in the main control unit 14 or other memory means.
- Various embodiments are conceivable. Some of them are exemplified below.
- the information on the flow rate of the oxygen-enriched gas used for generating the patient compliance information may be a flow rate set value by the flow rate setting unit 12 or a flow rate measured value by the ultrasonic sensor unit 7, Alternatively, both may be described together. Further, based on the result of respiration detection by the respiration tuning unit 8, it is possible to additionally indicate whether the patient is actually breathing, or to set no data if no respiration is detected.
- the patient compliance information described below can take various forms including a configuration that does not provide explanations.
- information having substantially the same contents as the supply history information described above may be included. This is because the optimal information format for informing patients about their treatment compliance can change depending on the characteristics of the home oxygen therapy, such as the characteristics of the patient and the medical policy of the healthcare professional. is there. Therefore, in the following explanation, in order to avoid complexity, the name ⁇ patient compliance information '' is used for various aspects including a wide range from the information directly indicating the treatment compliance of the patient to the above supply history information. Will be described.
- the degree of matching is calculated based on the actual supply history information for each day and a predetermined calculation method, and the value is set to, for example, “compliance 88%”.
- the quality of compliance can be instantaneously understood without the need for reading such as graphs, so that in outpatient clinics where the medical treatment time per patient is limited, medical staff can efficiently improve patient compliance. Can be captured.
- the supply history information used for calculation is, for example, data that accumulates the number of days (for example, 30 days) from the previous visit to a medical institution to the current visit.
- the tuning mode is mainly for battery-powered It is used when supplying oxygen-enriched gas from the device 1 and most of the time, the patient is engaged in activities such as going out, working or walking, so the time ratio of exertion to the total inhalation time, that is, the patient's time Healthcare professionals can grasp trends in activities.
- Patient treatment comba Can be directly grasped.
- the patient compliance information may be compared with signal colors such as red, yellow, and blue so that it can be quickly grasped by intuition.
- the graph is a change graph (for example, a line graph) for each time at, and it can be seen that, for example, the time when a certain patient does not use the oxygen concentrator 1 is concentrated at a specific time during the day.
- measurement data such as changes in daily flow rate during the day or during the month and respiratory detection results are compared to time as a band graph and line graph, while prescription values are displayed together. It is useful in that it can be closely reviewed and compared with the prescription value. It is convenient to color-code each flow rate.
- the various compliance information described above is information indicating the aspect of the change within a predetermined period, such as a daily change graph.
- the predetermined period is a day, a week, a month, a year, or an arbitrarily set period.
- the above-mentioned various compliance information may be configured to indicate a change in the compliance information in accordance with the passage of date by indicating a change in a predetermined period unit, for example, a day unit, and may also be configured to display the aspect of the change in the compliance information with the passage of date. It is valid.
- the predetermined period is a day, a week, a month, a year, or an arbitrarily set period, as described above. With this configuration, it is possible to effectively utilize the condition of the patient and its changes.
- the patient compliance information is generated based not only on the patient's home 1a but also on the supply history information on the patient's outing 3a.
- patient 1b visits the medical institution with this oxygen concentrator 1 and doctor 2b at medical institution 2a communicates with patient compliance as described above or in another configuration.
- the patient can correctly receive home oxygen therapy from an objectively correct viewpoint. This can be used to determine whether or not the patient is receiving home oxygen therapy, greatly improving the therapeutic effect of home oxygen therapy.
- a menu screen (not shown) is first displayed on the medical institution by a dedicated display program function previously installed in the medical institution terminal 2c. Select the desired item name that is displayed on the display screen of the terminal 2C and included in this menu screen, for example, “Average usage time per day”, “Average usage flow”, etc. Then, it can be displayed on the display screen of the medical institution terminal 2c.
- the display order of the item names in the menu screen may be the display frequency order to increase the efficiency of the selection operation.
- At least one of the supply history information and the patient compliance information may be output to the outside of the apparatus 1 or displayed on a display unit.
- supply history information and patient compliance Reading, displaying, and resetting (erasing) information, etc. should be performed only by a predetermined healthcare professional.
- a lock is provided on the oxygen concentrator 1 side, or this information is transmitted and displayed only when a correct password is sent from the medical institution terminal 2c connected to receive the information.
- the main control unit 14 may be configured as follows.
- Observed or read supply history information and patient compliance information are stored and retained in personal computers and servers, and can be used for medical treatment at a later date, used for electronic medical records, and can be used with doctors 2b at medical institutions 2a.
- Affiliated medical institution 4a that cooperates with patient 1b for medical treatment.
- Doctor 4b can easily browse and read from a second personal computer via the Internet network 5a and use it for cooperative medical treatment. I can do it.
- the present invention relates to an oxygen concentrator that enables a medical worker to reliably and easily know whether or not a home oxygen therapy patient who continues to inhale an oxygen-enriched gas at home is inhaling as prescribed. It can provide a method for supporting the execution of oxygen therapy.
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19158793.0A EP3508240A1 (en) | 2003-08-14 | 2004-08-12 | Oxygen concentrating apparatus |
JP2005513208A JPWO2005016426A1 (ja) | 2003-08-14 | 2004-08-12 | 酸素濃縮装置及びそれを用いた在宅酸素療法の実行支援方法 |
EP04771826.7A EP1661595B1 (en) | 2003-08-14 | 2004-08-12 | Oxygen enrichment device |
ES04771826T ES2725486T3 (es) | 2003-08-14 | 2004-08-12 | Aparato de concentración de oxígeno |
US10/567,924 US7740013B2 (en) | 2003-08-14 | 2004-08-12 | Oxygen concentrating apparatus and execution support method of home oxygen therapy using the same |
KR1020067002838A KR101184960B1 (ko) | 2003-08-14 | 2004-08-12 | 산소 농축 장치 및 그것을 이용한 재택 산소 요법의 실행지원 방법 |
US12/458,563 US8151792B2 (en) | 2003-08-14 | 2009-07-16 | Oxygen concentrating apparatus and execution support method of home oxygen therapy using the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-293353 | 2003-08-14 | ||
JP2003293353 | 2003-08-14 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
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US10/567,924 A-371-Of-International US7740013B2 (en) | 2003-08-14 | 2004-08-12 | Oxygen concentrating apparatus and execution support method of home oxygen therapy using the same |
US12/458,563 Division US8151792B2 (en) | 2003-08-14 | 2009-07-16 | Oxygen concentrating apparatus and execution support method of home oxygen therapy using the same |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005016426A1 true WO2005016426A1 (ja) | 2005-02-24 |
Family
ID=34190993
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/011865 WO2005016426A1 (ja) | 2003-08-14 | 2004-08-12 | 酸素濃縮装置及びそれを用いた在宅酸素療法の実行支援方法 |
Country Status (7)
Country | Link |
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US (2) | US7740013B2 (ja) |
EP (2) | EP1661595B1 (ja) |
JP (1) | JPWO2005016426A1 (ja) |
KR (1) | KR101184960B1 (ja) |
ES (1) | ES2725486T3 (ja) |
TW (1) | TW200522915A (ja) |
WO (1) | WO2005016426A1 (ja) |
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JP2008136658A (ja) * | 2006-12-01 | 2008-06-19 | Terumo Corp | 酸素濃縮装置 |
JP2011518016A (ja) * | 2008-04-21 | 2011-06-23 | レール・リキード−ソシエテ・アノニム・プール・レテュード・エ・レクスプロワタシオン・デ・プロセデ・ジョルジュ・クロード | 酸素療法治療の患者による遵守を検出するためのデバイス |
JP2014513992A (ja) * | 2011-02-02 | 2014-06-19 | レール・リキード−ソシエテ・アノニム・プール・レテュード・エ・レクスプロワタシオン・デ・プロセデ・ジョルジュ・クロード | 三次元加速度計を用いる酸素療法の順守の測定のための装置 |
JP2014518745A (ja) * | 2011-06-06 | 2014-08-07 | コーニンクレッカ フィリップス エヌ ヴェ | 呼吸療法のモードの構成 |
JP2017523841A (ja) * | 2014-08-01 | 2017-08-24 | レスメド・リミテッドResMed Limited | 自己最適化呼吸治療システム |
WO2017035769A1 (zh) * | 2015-09-01 | 2017-03-09 | 温玉桂 | 家庭雾化设备 |
WO2019163609A1 (ja) | 2018-02-21 | 2019-08-29 | 帝人ファーマ株式会社 | 酸素濃縮装置を監視するサーバ、監視システム、端末、監視装置及び方法 |
KR20200047633A (ko) | 2018-02-21 | 2020-05-07 | 데이진 화-마 가부시키가이샤 | 산소 농축 장치를 감시하는 서버, 감시 시스템, 단말, 감시 장치 및 방법 |
JPWO2019163609A1 (ja) * | 2018-02-21 | 2020-10-08 | 帝人ファーマ株式会社 | 酸素濃縮装置を監視するサーバ、監視システム、端末、監視装置及び方法 |
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Also Published As
Publication number | Publication date |
---|---|
EP1661595B1 (en) | 2019-04-10 |
US7740013B2 (en) | 2010-06-22 |
TWI327907B (ja) | 2010-08-01 |
US8151792B2 (en) | 2012-04-10 |
EP3508240A1 (en) | 2019-07-10 |
EP1661595A1 (en) | 2006-05-31 |
JPWO2005016426A1 (ja) | 2006-10-12 |
TW200522915A (en) | 2005-07-16 |
US20090281445A1 (en) | 2009-11-12 |
KR101184960B1 (ko) | 2012-10-02 |
ES2725486T3 (es) | 2019-09-24 |
US20070023039A1 (en) | 2007-02-01 |
KR20060061356A (ko) | 2006-06-07 |
EP1661595A4 (en) | 2015-02-18 |
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