CN111450378A - Electric humidifying air-oxygen mixing system - Google Patents
Electric humidifying air-oxygen mixing system Download PDFInfo
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- CN111450378A CN111450378A CN202010353002.4A CN202010353002A CN111450378A CN 111450378 A CN111450378 A CN 111450378A CN 202010353002 A CN202010353002 A CN 202010353002A CN 111450378 A CN111450378 A CN 111450378A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- 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
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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
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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
- A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
- A61M16/0808—Condensation traps
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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
- A61M16/105—Filters
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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
- A61M16/12—Preparation of respiratory gases or vapours by mixing different gases
- A61M16/122—Preparation of respiratory gases or vapours by mixing different gases with dilution
- A61M16/125—Diluting primary gas with ambient air
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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
- A61M16/20—Valves specially adapted to medical respiratory devices
- A61M16/201—Controlled valves
- A61M16/202—Controlled valves electrically actuated
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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
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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
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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
- A61M2205/3327—Measuring
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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
- A61M2205/3331—Pressure; Flow
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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
- A61M2205/3368—Temperature
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Abstract
The invention discloses an electric 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, an electric air flow control device and an air flow detection device which are sequentially communicated, the oxygen path comprises an oxygen inlet, an oxygen filtering device, an electric oxygen flow control device 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 a gas outlet of a gas supply device, and the oxygen inlet is communicated with an oxygen storage device. The electric humidification air-oxygen mixing system has the advantages of high flow rate, good system stability, high repeatability, simplicity in adjustment and low cost.
Description
Technical Field
The invention relates to an electric humidifying 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 it is impossible to control the oxygen concentration precisely, and CN107320825A discloses a positive pressure humidified oxygen therapy apparatus and a method for using the same, but 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 this, the invention provides an electric humidification air-oxygen mixing system with high flow rate, constant concentration, constant oxygen concentration and low cost, which solves the problems of lack of humidification and over-low flow rate of the existing oxygen inhalation device.
In order to achieve the purpose, the invention adopts the following technical scheme:
an electric 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, an electric air flow control device and an air flow detection device which are sequentially communicated;
the oxygen path comprises an oxygen inlet, an oxygen filtering device, an electric oxygen flow control device 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 electric air flow control device comprises an air path motor, an air path electric valve and an air path control device, the air path control device is electrically connected with the air path motor, the air path motor is electrically connected with the air path electric valve, and the air path electric valve is installed between the air filtering device and the air flow detection device of the air path;
the electric oxygen flow control device comprises an oxygen path motor, an oxygen path electric valve and an oxygen path control device, the oxygen path control device is electrically connected with the oxygen path motor, the oxygen path motor is electrically connected with the oxygen path electric valve, and the oxygen path electric valve is arranged between the oxygen filtering device and the oxygen flow detection device of the oxygen path;
preferably, the air path motor is a stepping motor; the oxygen path motor is a stepping motor.
Further, the air supply device is a fan, a hospital wall air supply device 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 route and the electronic air flow control device and/or between the oxygen filter equipment of oxygen route and the electronic oxygen flow control device.
Further, the mixing output path further comprises a temperature sensor and/or a humidity sensor.
The electric 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 electric control device door to regulate the flow, and has the advantages that,
1. the system has high flow rate, the flow rate can reach 80L/min-100L/min at most, and the patient can 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. avoiding the use of a turbine to provide an air source, simple adjustment, adoptingFlow sensing devices, e.g.The flowmeter and the sensor are monitored in real time, so that the use effect is better;
5. the cost is low.
Drawings
FIG. 1 is a schematic structural diagram of an electric 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 equipment, 3, electronic air flow control device, 4, air flow detection device, 5, oxygen inlet, 6, oxygen filter equipment, 7, electronic oxygen flow control device, 8, oxygen flow detection device, 9, gas mixing device, 10, humidification 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.
As shown in figure 1, the electric humidification 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, an electric air flow control device 3 and a flow detection device 4 which are communicated in sequence;
the oxygen path comprises an oxygen inlet 5, an oxygen filtering device 6, an electric oxygen flow control device 7 and a 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; the electric air flow control device 3 and the electric oxygen flow control device 7 are electric proportional control devices and are used for adjusting the flow of the air path, and when the control device door is fixed at one position, the pressure of the upstream and downstream air sources is stable, so that the flow of the air path is constant.
The adjusting method of the electric humidifying air-oxygen mixing system comprises the following steps: presetting oxygen concentration and total flow, calculating the flow of an oxygen path to be regulated and the flow of an air path to be regulated through software or manual work, and regulating the electric air flow control device 3 and the electric oxygen flow control device 7 to enable the actual flow to correspond to the flow to be regulated.
In some embodiments of the present invention, the electric air flow control device 3 comprises an air path motor, an air path electric valve and an air path control device, the air path control device is electrically connected with the air path motor, the air path motor is electrically connected with the air path electric valve, and the air path electric valve is installed between the air filtering device 2 and the flow detection device 4 of the air path;
the electric oxygen flow control device 7 comprises an oxygen path motor, an oxygen path electric valve and an oxygen path control device, the oxygen path control device is electrically connected with the oxygen path motor, the oxygen path motor is electrically connected with the oxygen path electric valve, and the oxygen path electric valve is arranged between the oxygen filtering device 6 and the flow detection device 8 of the oxygen path.
Wherein, the air path motor is preferably a stepping motor; the oxygen circuit motor is preferably a stepper motor.
The air flow and the oxygen concentration after air and oxygen mixing can be obtained through data fed back by the air flow detection device and the oxygen flow detection device, and then the working states of the air path motor and the oxygen path motor are adjusted by utilizing preset programs in the air path control device and the oxygen path control device or manually, so that the opening or closing of the air path electric valve and the oxygen path electric valve is realized, and the gas flow of the air path and the oxygen path is adjusted.
In other embodiments of the invention, the air supply is a blower, hospital wall air supply, or air pump.
In other embodiments of the invention, the electric air flow control device 3 and/or the electric oxygen flow control device 7 are dual electric regulating control devices, one control device gate regulating the large flow and one control device gate 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 invention, a stabiliser is provided between the air filtration device 2 and the electrically powered air flow control device 3 of the air circuit and/or between the oxygen filtration device 6 and the electrically powered oxygen flow control device 7 of the oxygen circuit. 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 arranged behind the electric air flow control device 3 and the electric oxygen flow control device 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 and/or a humidity sensor.
Claims (9)
1. An electric humidifying air-oxygen mixing system, which 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), an electric air flow control device (3) and an air flow detection device (4) which are sequentially communicated;
the oxygen path comprises an oxygen inlet (5), an oxygen filtering device (6), an electric oxygen flow control device (7) and an oxygen flow detection device (8) which are sequentially communicated;
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. An electric humidification air oxygen hybrid system as in claim 1 wherein said electric air flow control device (3) comprises an air circuit motor, an air circuit electric valve and an air circuit control device, said air circuit control device is electrically connected with said air circuit motor, said air circuit motor is electrically connected with said air circuit electric valve, said air circuit electric valve is installed between said air filtering device (2) and said air flow detection device (4) of said air circuit;
the electric oxygen flow control device (7) comprises an oxygen path motor, an oxygen path electric valve and an oxygen path control device, the oxygen path control device is electrically connected with the oxygen path motor, the oxygen path motor is electrically connected with the oxygen path electric valve, and the oxygen path electric valve is installed between the oxygen filtering device (6) and the oxygen flow detection device (8) of the oxygen path.
3. The electric humidified air-oxygen mixing system as claimed in claim 2, wherein the air path motor is a stepping motor; the oxygen path motor is a stepping motor.
4. The electric humidified air-oxygen mixing system as claimed in claim 1, wherein the air supply device is a blower, a hospital wall air supply device or an air pump.
5. The electric humidified air-oxygen hybrid system as claimed in claim 1, wherein the humidifying device (10) is an ultrasonic humidifier or a warming humidifier.
6. The electric humidified air-oxygen hybrid system as claimed in claim 1, wherein a liquid level sensor is arranged inside the humidifying device (10).
7. An electrically powered 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.
8. An electric humidified air-oxygen hybrid system as claimed in claim 1, further comprising a manostat arranged between the air filtering means (2) and the electric air flow control means (3) of the air circuit and/or between the oxygen filtering means (6) and the electric oxygen flow control means (7) of the oxygen circuit.
9. The electric humidified air-oxygen mixing system according to any one of claims 1 to 7, wherein the mixing output path further comprises a temperature sensor and/or a humidity sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010353002.4A CN111450378A (en) | 2020-04-29 | 2020-04-29 | Electric humidifying air-oxygen mixing system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010353002.4A CN111450378A (en) | 2020-04-29 | 2020-04-29 | Electric humidifying air-oxygen mixing system |
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| CN111450378A true CN111450378A (en) | 2020-07-28 |
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| CN202010353002.4A Pending CN111450378A (en) | 2020-04-29 | 2020-04-29 | Electric humidifying air-oxygen mixing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112827045A (en) * | 2021-01-04 | 2021-05-25 | 北京谊安医疗系统股份有限公司 | Air and oxygen mixing control device and method for breathing equipment |
-
2020
- 2020-04-29 CN CN202010353002.4A patent/CN111450378A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112827045A (en) * | 2021-01-04 | 2021-05-25 | 北京谊安医疗系统股份有限公司 | Air and oxygen mixing control device and method for breathing equipment |
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Effective date of registration: 20230803 Address after: 226000 Life Health Industrial Park, No. 888, the Pearl River Road, Juegang Street, Rudong County, Nantong, Jiangsu Province Applicant after: Nantong Haihui Medical Technology Co.,Ltd. Address before: 102600 2607, Floor 26, Building 7, Yard 1, Ronghua South Road, Daxing District, Beijing Applicant before: Beijing Haihui Technology Co.,Ltd. |
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