CN111450377A - Manual humidifying air-oxygen mixing system - Google Patents

Manual humidifying air-oxygen mixing system Download PDF

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Publication number
CN111450377A
CN111450377A CN202010352998.7A CN202010352998A CN111450377A CN 111450377 A CN111450377 A CN 111450377A CN 202010352998 A CN202010352998 A CN 202010352998A CN 111450377 A CN111450377 A CN 111450377A
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China
Prior art keywords
oxygen
air
manual
path
mixing
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Pending
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CN202010352998.7A
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Chinese (zh)
Inventor
李长亮
许心浩
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Nantong Haihui Medical Technology Co.,Ltd.
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Beijing Haihui Technology Co ltd
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Priority to CN202010352998.7A priority Critical patent/CN111450377A/en
Publication of CN111450377A publication Critical patent/CN111450377A/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0003Accessories therefor, e.g. sensors, vibrators, negative pressure
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0057Pumps therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10Preparation of respiratory gases or vapours
    • A61M16/105Filters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10Preparation of respiratory gases or vapours
    • A61M16/12Preparation of respiratory gases or vapours by mixing different gases
    • A61M16/122Preparation of respiratory gases or vapours by mixing different gases with dilution
    • A61M16/125Diluting primary gas with ambient air
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10Preparation of respiratory gases or vapours
    • A61M16/14Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
    • A61M16/16Devices to humidify the respiration air
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/20Valves specially adapted to medical respiratory devices
    • A61M16/201Controlled valves
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0003Accessories therefor, e.g. sensors, vibrators, negative pressure
    • A61M2016/003Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/33Controlling, regulating or measuring
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/33Controlling, regulating or measuring
    • A61M2205/3327Measuring
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/33Controlling, regulating or measuring
    • A61M2205/3331Pressure; Flow
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/33Controlling, regulating or measuring
    • A61M2205/3368Temperature

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  • 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)
  • Accommodation For Nursing Or Treatment Tables (AREA)

Abstract

The invention discloses a manual humidification air-oxygen mixing system, which belongs to the technical field of medical equipment and comprises an air path, an oxygen path and a mixing output path, wherein the air path comprises an air inlet, an air filtering device, a manual air flow valve and an air flow detection device which are sequentially communicated, the oxygen path comprises an oxygen inlet, an oxygen filtering device, a manual oxygen flow valve and an oxygen flow detection device which are sequentially communicated, the mixing output path comprises a gas mixing device, a humidifying device and an output pipeline which are sequentially communicated, one end of the air path, far away from the air inlet, and one end of the oxygen path, far away from the oxygen inlet, are respectively communicated with the gas mixing device, the air inlet is communicated with an air outlet of the air supply device, and the oxygen inlet is communicated with an oxygen storage device. The manual humidification air-oxygen mixing system has the advantages of high flow rate, good system stability, high repeatability, simplicity in adjustment and low cost.

Description

Manual humidifying air-oxygen mixing system
Technical Field
The invention relates to a manual humidification air-oxygen mixing system, and belongs to the technical field of medical equipment.
Background
The traditional oxygen inhalation device has two types, one type is pure oxygen path output, the device is mostly a disposable oxygen inhalation device, oxygen inhalation is carried out through a nasal catheter, pure oxygen reaches the nose end of a patient through the nasal catheter, the patient inhales together with peripheral air in the inhalation process, the oxygen inhalation effect is achieved, the concentration of oxygen inhaled by the patient of the oxygen inhalation device with the pure oxygen path output is not constant, the concentration of oxygen inhaled by different patients is not constant, the concentration of oxygen inhaled by the same patient is different, meanwhile, a humidification bottle is that the simple oxygen passes through water, the humidification effect is extremely limited, the patient inhales oxygen for a period of time, the nasal cavity is dry, and the.
One is that oxygen is inhaled through a nasal catheter after an oxygen path and an air path are mixed, the oxygen is input through two ports of the air path and the oxygen path, the oxygen concentration and the output flow are adjusted, and the gas with certain oxygen concentration and flow output is achieved. And the cost of the air-oxygen mixing valve is higher, so that the actual selling price of the equipment is also higher, and the humidification bottle of the oxygen inhalation device is a simple humidification bottle even without water for oxygen to pass through, so that the humidification effect is extremely limited, and patients inhale oxygen for a period of time and have dry nasal cavities, which are easy to be intolerant.
CN107320825A discloses a positive pressure humidified oxygen therapy apparatus and a method for using the same, but the oxygen concentration cannot be precisely controlled, and the minimum oxygen concentration is still kept at a high level. Therefore, the two oxygen inhalation devices have the common defect of low humidification and flow range.
In recent years, the medical practical effect discovers that the patient can tolerate and feel more comfortable and is easier to discharge phlegm due to higher humidification effect in the oxygen inhalation process, and the medical practical effect has great effect on the recovery of the state of an illness. Meanwhile, the nasal catheter airflow with higher flow is provided, so that the oxygen inhalation concentration of a patient is more constant, a peep effect is generated in the exhalation process of the patient, the patient is supported by alveoli, oxygenation is promoted more favorably, and the recovery of an illness state is more favorably realized.
Disclosure of Invention
In view of the above, the invention provides a manual humidification air-oxygen mixing system with high flow rate, constant concentration, constant oxygen concentration and low cost, and solves the problem that the existing oxygen inhalation device is lack of humidification.
In order to achieve the purpose, the invention adopts the following technical scheme:
a manual humidification air-oxygen mixing system comprises an air path, an oxygen path and a mixing output path, wherein the air path comprises an air inlet, an air filtering device, a manual air flow valve and an air flow detection device which are sequentially communicated;
the oxygen path comprises an oxygen inlet, an oxygen filtering device, a manual oxygen flow valve and an oxygen flow detection device which are sequentially communicated;
the mixing output path comprises a gas mixing device, a humidifying device and an output pipeline which are sequentially communicated;
the air way is far away from the one end of air inlet, the oxygen way is far away from the one end of oxygen air inlet respectively with gas mixing device intercommunication, air inlet and air feeder's gas outlet intercommunication, oxygen air inlet and oxygen storage device intercommunication.
Further, the air supply device is a fan, an air extractor or an air pump.
Further, the humidifying device is an ultrasonic humidifier or a warming humidifier.
Furthermore, a liquid level sensor is arranged in the humidifying device.
Further, an end of the output line remote from the humidifying device is in communication with a nasal catheter or a CPAP mask.
Further, still include the stabiliser, the stabiliser sets up between the air filter equipment of air circuit and the manual air flow valve and/or between the oxygen filter equipment and the manual oxygen flow valve of oxygen gas circuit.
Further, the mixing output path further comprises a temperature sensor and/or a humidity sensor.
The manual humidification air-oxygen mixing system of the invention utilizes the characteristic of stable oxygen pressure of the wall of the hospital at present, does not need to regulate the flow frequently, therefore, adopts the manual valve to regulate the flow, and has the advantages that,
1. the system has large flow, and can enable a patient to inhale air-oxygen mixed gas with more constant oxygen concentration;
2. the heating and humidifying function can improve the tolerance of the patient, enhance the humidification, drainage and sputum excretion of the patient and facilitate the recovery of the disease;
3. the oxygen concentration is not easy to drift, the system stability is good, and the repeatability is high;
4. the air source is prevented from being provided by a turbine, the adjustment is simple, a flow detection device such as a flowmeter and a sensor is adopted for real-time monitoring, and the using effect is better;
5. the cost is low.
Drawings
FIG. 1 is a schematic structural diagram of a manual humidified air-oxygen mixing system according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. air inlet, 2, air filter, 3, manual air flow valve, 4, air flow detection device, 5, oxygen inlet, 6, oxygen filter, 7, manual oxygen flow valve, 8, oxygen flow detection device, 9, gas mixing device, 10, humidifying device, 11, output pipeline.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the manual humidifying air-oxygen mixing system comprises an air path, an oxygen path and a mixing output path,
the air path comprises an air inlet 1, an air filtering device 2, a manual air flow valve 3 and an air flow detection device 4 which are communicated in sequence;
the oxygen path comprises an oxygen inlet 5, an oxygen filtering device 6, a manual oxygen flow valve 7 and an oxygen flow detection device 8 which are communicated in sequence;
the mixing output path comprises a gas mixing device 9, a humidifying device 10 and an output pipeline 11 which are communicated in sequence;
one end of the air path far away from the air inlet 1 and one end of the oxygen path far away from the oxygen inlet 5 are respectively communicated with the gas mixing device 9, the air inlet 1 is communicated with a gas outlet of the gas supply device, and the oxygen inlet 5 is communicated with the oxygen storage device.
The system is provided with an air channel and an oxygen channel, and the air and the oxygen respectively pass through the air channel and the oxygen channel and then pass through the mixed output channel to be input into the patient end. Wherein, the air inlet 1 provides air source by the original facility of the hospital wall; the air filtering device 2 and the oxygen filtering device 6 are used for filtering impurities in the gas and providing clean air for the patient; manual air flow valve 3, manual oxygen flow valve 7 are manual proportional valve promptly, and this manual proportional valve is through the size of adjusting the latus rectum to be used for adjusting the flow of gas circuit, when the valve is fixed in a position, upstream and downstream air source pressure is stable, makes the flow of this gas circuit invariable.
The adjusting method of the manual humidification air-oxygen mixing system comprises the following steps: presetting oxygen concentration and total flow, calculating the flow of an oxygen path to be adjusted and the flow of an air path to be adjusted through software or manual work, and adjusting a manual air flow valve 3 and a manual oxygen flow valve 7 to enable the actual flow to correspond to the flow to be adjusted, thereby completing the adjustment of the air flow and the oxygen flow.
In some embodiments of the invention, the air supply is a fan, an air pump, or an air pump.
In other embodiments of the present invention, the manual air flow valve 3 and the manual oxygen flow valve 7 are two-hand regulating valves, one for regulating the large flow and one for regulating the fine flow, thereby achieving precise regulation.
In other embodiments of the present invention, humidifying device 10 is an ultrasonic humidifier or a warming humidifier.
In other embodiments of the present invention, a level sensor is provided inside the humidifying device 10.
In other embodiments of the invention, the end of the output line 11 remote from the humidifying device 10 communicates with a nasal catheter or a CPAP mask. If the patient end adopts a nasal catheter, the system provides the air-oxygen mixed gas with certain concentration, certain flow and high humidification for the patient, and if the CPAP mask is adopted, the system provides the air-oxygen mixed gas with certain concentration, certain pressure and high humidification for the patient.
In other embodiments of the present invention, the present invention further comprises a pressure stabilizer, the pressure stabilizer is disposed between the air filtering device 2 of the air path and the manual oxygen flow valve 3, and the pressure stabilizer may also be disposed between the oxygen filtering device 6 of the oxygen path and the manual oxygen flow valve 7. The pressure stabilizer can ensure that the small fluctuation of the pressure of the oxygen and air input source does not influence the flow of the whole gas circuit, thereby ensuring that the system is more accurate and stable.
In other embodiments of the invention, the system further comprises a water collecting cup or a water storage tank, wherein the water collecting cup or the water storage tank is respectively arranged behind the manual air flow valve 3 and the manual oxygen flow valve 7, and the condensed water is collected by utilizing the characteristic that the condensed water is easy to separate out after throttling and cooling.
In other embodiments of the present invention, the mixing output path further comprises a temperature sensor.
In other embodiments of the present invention, the mixing output path further comprises a humidity sensor.

Claims (9)

1. A manual humidifying air-oxygen mixing system comprises an air path, an oxygen path and a mixing output path, and is characterized in that,
the air path comprises an air inlet (1), an air filtering device (2), a manual air flow valve (3) and an air flow detection device (4) which are communicated in sequence;
the oxygen path comprises an oxygen inlet (5), an oxygen filtering device (6), a manual oxygen flow valve (7) and an oxygen flow detection device (8) which are communicated in sequence;
the mixing output path comprises a gas mixing device (9), a humidifying device (10) and an output pipeline (11) which are communicated in sequence;
the air circuit is kept away from one end of the air inlet (1) and the oxygen circuit is kept away from one end of the oxygen inlet (5) is communicated with the gas mixing device (9) respectively, the air inlet (1) is communicated with a gas outlet of the gas supply device, and the oxygen inlet (5) is communicated with the oxygen storage device.
2. The manual humidification air-oxygen mixing system of claim 1, wherein the air supply device is a fan, an air pump or an air pump.
3. The manual humidified air-oxygen mixing system as claimed in claim 1, wherein the humidifying device (10) is an ultrasonic humidifier or a warming humidifier.
4. The manual humidification air-oxygen mixing system as claimed in claim 1, wherein a liquid level sensor is arranged inside the humidifying device (10).
5. A manually humidified air and oxygen mixing system as claimed in claim 1, wherein the end of the output line (11) remote from the humidifying device (10) is in communication with a nasal catheter or a CPAP mask.
6. A manual humidified air-oxygen mixing system as claimed in claim 1, further comprising a manostat, said manostat being arranged between the air filtering means (2) and the manual air flow valve (3) of the air circuit.
7. The manual humidified air-oxygen mixing system as claimed in claim 1, further comprising a pressure stabilizer, wherein the pressure stabilizer is arranged between the oxygen filtering device (6) and the manual oxygen flow valve (7) of the oxygen path.
8. The manual humidified air oxygen mixing system of any one of claims 1 to 5, wherein the mixing output path further comprises a temperature sensor.
9. The manual humidified air oxygen mixing system of any one of claims 1 to 5, wherein the mixing output path further comprises a humidity sensor.
CN202010352998.7A 2020-04-29 2020-04-29 Manual humidifying air-oxygen mixing system Pending CN111450377A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010352998.7A CN111450377A (en) 2020-04-29 2020-04-29 Manual humidifying air-oxygen mixing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010352998.7A CN111450377A (en) 2020-04-29 2020-04-29 Manual humidifying air-oxygen mixing system

Publications (1)

Publication Number Publication Date
CN111450377A true CN111450377A (en) 2020-07-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010352998.7A Pending CN111450377A (en) 2020-04-29 2020-04-29 Manual humidifying air-oxygen mixing system

Country Status (1)

Country Link
CN (1) CN111450377A (en)

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