CN111821552A - Multifunctional respiratory therapy system and method for hospital and family environment - Google Patents

Multifunctional respiratory therapy system and method for hospital and family environment Download PDF

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Publication number
CN111821552A
CN111821552A CN202010820590.8A CN202010820590A CN111821552A CN 111821552 A CN111821552 A CN 111821552A CN 202010820590 A CN202010820590 A CN 202010820590A CN 111821552 A CN111821552 A CN 111821552A
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oxygen
air
unit
patient
control unit
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黄鑫
王长龙
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China Oxygen Medical Technology Dalian Co ltd
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China Oxygen Medical Technology Dalian Co ltd
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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
    • 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
    • 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
    • A61M16/1075—Preparation of respiratory gases or vapours by influencing the temperature
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/12—Preparation of respiratory gases or vapours by mixing different gases
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10—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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/14—Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
    • A61M16/16—Devices to humidify the respiration air
    • A61M16/161—Devices to humidify the respiration air with means for measuring the humidity
    • 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
    • A61M2016/0027—Accessories therefor, e.g. sensors, vibrators, negative pressure pressure meter
    • 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
    • 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
    • A61M2016/102—Measuring a parameter of the content of the delivered gas
    • A61M2016/1025—Measuring a parameter of the content of the delivered gas the O2 concentration
    • 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
    • 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
    • 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
    • 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
    • A61M2230/00—Measuring parameters of the user
    • A61M2230/04—Heartbeat characteristics, e.g. ECG, blood pressure modulation
    • A61M2230/06—Heartbeat rate only
    • 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
    • A61M2230/00—Measuring parameters of the user
    • A61M2230/20—Blood composition characteristics
    • A61M2230/205—Blood composition characteristics partial oxygen pressure (P-O2)

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Abstract

The invention discloses a multifunctional respiratory therapy system for hospital and home environments, comprising: the control unit, the unit of ventilating, system oxygen unit have solved the problem that current respiratory therapy equipment relied on external oxygen source completely through oxygen suppliment unit system oxygen by oneself, and integrated low/high flow oxygen therapy, intelligent oxygen suppliment control, do not have the malleation machinery of wound treatment function in an organic whole of ventilating can start corresponding treatment mode according to the different demands of patient respiratory disease different stages to realize seamless switching, a tractor serves several purposes in various treatment schemes. A multifunctional respiratory therapy system and method for hospital and family environment features that the blood oxygen concentration closed-loop control, synchronous respiration trigger pulse oxygen supply or synchronous respiration demand oxygen supply technique is used, and the patient only has inspiration phase to supply oxygen, so decreasing the stimulation of airflow to upper respiratory tract, improving the comfort and compliance of patient and maximally reducing the waste of oxygen resource.

Description

Multifunctional respiratory therapy system and method for hospital and family environment
Technical Field
The invention relates to the technical field of respiratory therapy, in particular to a multifunctional respiratory therapy system and a method for hospital and family environments.
Background
According to the respiratory diseases of patients from light to heavy, the respiratory therapy generally adopts low-flow oxygen therapy, high-concentration oxygen therapy, noninvasive mechanical ventilation and invasive mechanical ventilation treatment schemes in turn; invasive mechanical ventilation, noninvasive mechanical ventilation, high-concentration oxygen therapy and low-flow oxygen therapy are adopted in the recovery period of an illness state in sequence, but the existing respiratory therapy equipment in a hospital is relatively single in function, and the treatment equipment needs to be replaced by adopting different respiratory therapy schemes, so that the illness state is very troublesome.
Meanwhile, most of the existing respiratory therapy equipment adopts an external oxygen source to perform respiratory therapy, and a hospital usually selects liquid oxygen prepared by a deep cooling separation method, or a high-pressure gas steel cylinder, or pressure swing adsorption equipment to prepare oxygen by self according to the oxygen demand. Moreover, a continuous flow oxygen supply method is adopted, and the oxygen supply method actually generates great waste to oxygen. Because the duration of the inspiratory phase is different from that of the expiratory phase in normal breathing, the oxygen supplied by continuous oxygen supply is only (1/3) × (3/4), namely 1/4 oxygen is really functional in the whole breathing process, namely at least 3/4 oxygen is wasted, and the supplied oxygen cannot achieve the corresponding treatment effect. Meanwhile, continuous oxygen supply can cause stimulation to the upper respiratory tract of the patient by airflow, so that the patient feels uncomfortable.
Disclosure of Invention
The present invention provides a multifunctional respiratory therapy system and method for hospital and home environments to overcome the above technical problems.
The present invention is a multifunctional respiratory therapy system for hospital and home environments comprising: the control unit, the ventilation unit and the oxygen generation unit; the control unit is used for setting different working modes and preset treatment parameters in the different working modes; the device is used for controlling the oxygen generation unit and the ventilation unit and adjusting the actual treatment parameter value to reach the preset treatment parameter value according to the different working modes; the different operating modes include: high-flow humidified oxygen therapy, low-flow oxygen therapy and a non-invasive positive pressure mechanical ventilation working mode; the oxygen generation unit is used for generating oxygen and transmitting the oxygen to the ventilation unit or the respiratory pipeline of the patient; the patient breathing circuit employed in a non-invasive positive pressure mechanical ventilation mode of operation, comprising: the oxygen generation unit supplies oxygen/air to the patient through the oxygen channel/air channel according to the breathing phase of the patient; the ventilation unit is used for mixing the oxygen/external oxygen source and air delivered by the oxygen generation unit into air-oxygen mixed gas, and adjusting the concentration of the air-oxygen mixed gas to reach the preset treatment parameter value; the flow rate of the air-oxygen mixed gas is adjusted to reach the preset treatment parameter value; the heating and humidifying device is used for heating and humidifying the air-oxygen mixed gas to generate heating and humidifying gas, enabling the heating and humidifying gas to enter a breathing pipeline of a patient, and adjusting the heating and humidifying temperature and the temperature of the breathing pipeline of the patient to reach the preset treatment parameter value; the device is used for monitoring the pressure value and the flow rate value of the air-oxygen mixed gas and adjusting the pressure value of the air-oxygen mixed gas to reach the preset treatment parameter value.
Further, the preset treatment parameters in the different working modes include: the preset treatment parameters under the high-flow humidification oxygen therapy working mode comprise: the oxygen concentration of the air-oxygen mixed gas, the flow of the air-oxygen mixed gas, the heating and humidifying temperature and the temperature of a breathing pipeline of a patient; the preset treatment parameters in the low-flow oxygen therapy working mode comprise: the flow rate of oxygen; the preset treatment parameters under the non-invasive positive pressure mechanical ventilation working mode comprise: the oxygen concentration of the air-oxygen mixed gas, the flow of the air-oxygen mixed gas, the pressure of an inspiratory airway, the pressure of an expiratory airway, the temperature of heating and humidifying and the temperature of a breathing pipeline of a patient.
Further, the high flow humidified oxygen therapy working mode comprises: the control unit controls the ventilation unit to mix the oxygen/external oxygen source conveyed by the oxygen generation unit and air to prepare air-oxygen mixed gas, and the oxygen concentration and flow value of the air-oxygen mixed gas are adjusted to reach the preset treatment parameter value; the control unit controls the ventilation unit to heat and humidify the air-oxygen mixed gas to generate a heating and humidifying gas, and then the heating and humidifying gas is conveyed to a breathing pipeline of a patient; the control unit controls the ventilation unit to adjust the temperature values of the heating and humidifying gas and the breathing pipeline of the patient to reach the preset treatment parameter value; the control unit controls the ventilation unit to convey the heated and humidified gas to the breathing pipeline of the patient.
Further, the non-invasive positive pressure mechanical ventilation mode of operation comprises: the control unit controls the ventilation unit to mix the oxygen/external oxygen source conveyed by the oxygen generation unit and air to prepare air-oxygen mixed gas, and the oxygen concentration and flow value of the air-oxygen mixed gas are adjusted to reach the preset treatment parameter value; the ventilation unit monitors the pressure value and the flow rate value of the air-oxygen mixed gas and sends the pressure value and the flow rate value to the control unit; the control unit judges the expiratory phase or the inspiratory phase of the patient according to the pressure value and the flow rate value; when the air suction phase is judged, the control unit controls the ventilation unit to adjust the pressure value of the air-oxygen mixed gas to be equal to the pressure value of the air passage of the air suction phase; when the expiratory phase is judged, the control unit controls the ventilation unit to adjust the pressure value of the air-oxygen mixed gas to be equal to the pressure value of the expiratory phase airway.
Further, the low flow oxygen therapy operating mode comprises: the control unit controls the oxygen generation unit to generate oxygen by adopting a vacuum pressure swing adsorption or pressure swing adsorption technology; the control unit controls the oxygen generation unit to adjust the oxygen flow value to reach the preset treatment parameter value; the control unit controls the oxygen generation unit to deliver oxygen to the patient breathing circuit.
Further, still include: the blood oxygen monitoring and alarming device comprises a monitoring and alarming unit, a blood oxygen module communication unit, a wireless communication unit and a man-machine interaction unit; the monitoring and alarming unit is used for monitoring the operation of the system, alarming when the system fails and sending the alarm type and the alarm threshold value to the control unit; the blood oxygen module communication unit is used for monitoring the blood oxygen concentration and the pulse rate of the patient in real time and sending the blood oxygen concentration and the pulse rate data to the control unit; the wireless communication unit is used for remotely and wirelessly connecting a data center of a hospital; the human-computer interaction unit is used for sending parameters set by a user to the control unit; and the control unit outputs the performance and state parameters to the human-computer interaction unit.
Further, the oxygen generation unit comprises: a positive air pressure interface and a negative air pressure interface; the positive air pressure interface is used for connecting an atomization device, and the oxygen generation unit provides a positive pressure air source for the atomization device; the negative pressure interface is used for connecting the sputum suction device, and the oxygen generation unit provides a negative pressure air source for the sputum suction device.
A multi-functional respiratory therapy method for hospital and home environments comprising:
the control unit sets different working modes and preset treatment parameters in the different working modes; sending the preset treatment parameters to an oxygen generation unit and a ventilation unit according to the different working modes; the different operating modes include: high-flow humidified oxygen therapy, low-flow oxygen therapy and a non-invasive positive pressure mechanical ventilation working mode;
the control unit controls the oxygen generation unit to generate oxygen and transmits the oxygen to the ventilation unit or the breathing pipeline of the patient;
when oxygen is conveyed to the ventilation unit, the control unit controls the ventilation unit to mix the oxygen/external oxygen source and air conveyed by the oxygen generation unit into air-oxygen mixed gas, adjusts the actual treatment parameter value to a preset treatment parameter value according to different working modes, and conveys the air-oxygen mixed gas to a breathing pipeline of a patient so that the air-oxygen mixed gas enters the lung of the patient to exchange gas;
under the noninvasive positive pressure mechanical ventilation mode, the ventilation unit mixes the oxygen and the air that the system oxygen unit carried into empty oxygen mist, works as empty oxygen mist carries to patient breathing pipeline, and the control unit control system oxygen unit passes through oxygen passageway/air passageway according to patient's breathing phase place and for patient oxygen suppliment/air.
Further, the control unit controls the oxygen generation unit to supply oxygen/air to the patient through the oxygen channel/air channel according to the breathing phase of the patient, including: the control unit control system oxygen unit monitors patient's breathing phase place, breathing phase place includes: an inspiratory phase and an expiratory phase; the inspiratory phase supplies oxygen to the patient through the oxygen channel and supplies air to the patient through the air channel; and in the expiratory phase, the oxygen channel stops supplying oxygen, and the air channel supplies air to the patient.
The invention solves the problem that the prior respiratory therapy equipment completely depends on an external oxygen source by the oxygen supply unit to automatically generate oxygen. Integrate low/high flow oxygen therapy, intelligent oxygen supply control, do not have malleation mechanical ventilation treatment function in an organic whole of creating, can start corresponding treatment mode according to the different demands of different stages of patient respiratory disease to realize seamless switching among various treatment schemes, a tractor serves several purposes. By adopting the technology of closed-loop control of blood oxygen concentration, synchronous pulse triggering for breathing or synchronous on-demand oxygen supply for breathing, the patient only inhales and supplies oxygen, so that the stimulation of airflow to the upper respiratory tract during continuous flow oxygen therapy is reduced, the comfort and compliance of the patient are improved, and the waste of oxygen resources is reduced to the maximum extent.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a multifunctional respiratory therapy system of the present invention;
FIG. 2 is a schematic view of a multifunctional respiratory therapy application system of the present invention;
FIG. 3 is a schematic structural view of a venting unit of the present invention;
FIG. 4 is a schematic control diagram of the aeration unit of the present invention;
FIG. 5 is a schematic diagram of the oxygen generation unit of the present invention;
FIG. 6 is a control schematic of an oxygen generation unit of the present invention;
FIG. 7 is a schematic view of the structure of the oxygen and air isolated dual channel breathing tube of the present invention;
FIG. 8 is a flow chart of a multi-functional respiratory therapy method for use in hospital and home environments.
The reference numbers illustrate:
170. a control unit; 180. a ventilation unit; 190. an oxygen generation unit; 130. a wireless communication unit; 140. a blood oxygen module communication unit; 150. a monitoring and alarm unit; 160. a human-computer interaction unit; 107. a positive air pressure interface; 108. a negative air pressure interface; 701. an oxygen input interface; 702. an oxygen channel; 703. an air passage.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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 fig. 1, the present embodiment provides a multifunctional respiratory therapy system for hospital and home environments, comprising: a control unit 170, a ventilation unit 180, and an oxygen generation unit 190; the control unit 170 may be set to high flow humidified oxygen therapy, low flow oxygen therapy, non-invasive positive pressure mechanical ventilation modes of operation. Different working modes correspond to different types of breathing pipelines of patients, for example, a high-flow nasal oxygen tube is adopted in a high-flow humidification oxygen therapy mode, a nasal mask or a full mask can be adopted in a non-invasive positive pressure mechanical ventilation mode (mixed oxygen/air), and the breathing pipeline of the patient is provided with two channels of oxygen and air; the low flow oxygen therapy mode may employ a nasal oxygen tube, the patient breathing circuit having only oxygen passages. The control unit 170 sets preset treatment parameters according to the set different working modes, and sends the preset treatment parameters to the ventilation unit 180 and the oxygen generation unit 190. The oxygen generation unit 190 receives the control signal from the main control unit 170, and the oxygen generation unit 190 outputs a signal to the main control unit 170; the oxygen generation unit 190 receives air input through an air inlet (including filtering) 102, discharges nitrogen gas adsorbed in the oxygen generation process through an exhaust port 103, and outputs generated medical oxygen to a breathing pipeline of a patient through a patient oxygen supply interface 106; the ventilation unit 180 receives the control signal from the main control unit 170, and the ventilation unit 180 outputs the signal to the main control unit 170; the ventilation unit 180 receives medical oxygen input through an external oxygen source interface 101, or receives medical oxygen output from the oxygen generation unit 190, and receives air input through an air inlet (including filtering) 102; the ventilation unit 180 outputs therapeutic gas to the patient breathing circuit through the main ventilation interface 105. As shown in fig. 7, in the operating mode of high flow humidified oxygen therapy and noninvasive positive pressure mechanical ventilation, the respiratory tube of the patient adopts a dual-channel respiratory tube structure for isolating oxygen and air, which includes an oxygen input interface 701, an oxygen channel 702, an air channel 703, and other structures such as a port and an NTC that are the same as those of the respiratory tube of the patient.
In this embodiment, the preset treatment parameters in the high flow humidification oxygen therapy operating mode include: the oxygen concentration of the air-oxygen mixed gas, the flow of the air-oxygen mixed gas, the heating and humidifying temperature and the temperature of a breathing pipeline of a patient;
the preset treatment parameters in the low-flow oxygen therapy working mode comprise: the flow rate of oxygen;
the preset treatment parameters under the non-invasive positive pressure mechanical ventilation working mode comprise: the oxygen concentration of the air-oxygen mixed gas, the flow of the air-oxygen mixed gas, the pressure of an inspiratory airway, the pressure of an expiratory airway, the temperature of heating and humidifying and the temperature of a breathing pipeline of a patient.
In this embodiment, as shown in fig. 5, the oxygen generation unit 190 generates oxygen by using Pressure Swing Adsorption (PSA) or Vacuum Pressure Swing Adsorption (VPSA) principle, and includes a silencer, an air compressor, a cooler, a pneumatic control valve, an adsorption tower, an exhaust silencer, an oxygen storage tank, a flow control valve, an oxygen concentration flow sensor, and a pressure sensor. Wherein, the raw material air enters the oxygen generating unit 190 from the air inlet (including filtering), and the impurities such as dust, particles and the like in the air are filtered. The air filtered by the air inlet (including filtering) enters a silencer, which is used to reduce the noise of the intake airflow. The filtered and noise-reduced air enters an air compressor, and the air compressor is used for generating high-pressure air to be subjected to air-oxygen separation, wherein the pressure of the air is increased to be higher than the atmospheric pressure. The high-pressure air enters the pneumatic control valve, one gas passage of the pneumatic control valve conveys the high-pressure air to the adsorption tower, the adsorption tower is used for adsorbing nitrogen in the high-pressure air, oxygen in the high-pressure air cannot be adsorbed and flows to the outlet of the adsorption tower through the adsorption tower, the adsorbed nitrogen is connected to the exhaust silencer through another gas passage of the pneumatic control valve, and the exhaust silencer is connected to the exhaust port to discharge the nitrogen to the outside of the multifunctional respiratory therapy system. The exhaust silencing is used for reducing the noise of the gas flow of the discharged nitrogen in the decompression and activation process of the air-oxygen separator. The oxygen storage tank is used for storing the product oxygen generated by the air-oxygen separator. The oxygen tank is connected to a flow control valve for regulating the output gas flow. The oxygen concentration flow sensor is connected with the flow control valve and used for detecting the concentration and the flow of the finished oxygen in the air passage. The electromagnetic valve is connected with the oxygen concentration flow sensor and is used for controlling a finished product oxygen output channel, wherein one channel is connected with the ventilation unit and provides an oxygen source for the subsystem; the other channel is connected with a patient oxygen supply interface to provide finished product oxygen for the patient to carry out oxygen therapy, and a pressure sensor is connected to the channel and used for monitoring the breathing phase of the patient at the gas output channel terminal in real time.
As shown in fig. 6, the oxygen generation unit 190 comprises: raw material air enters an air compressor through air inlet filtering and noise reduction treatment, high-pressure air output by the air compressor enters a pneumatic control valve, enters an adsorption tower through a gas passage of the pneumatic control valve, the adsorption tower adsorbs nitrogen in the high-pressure air entering from an inlet of the adsorption tower, oxygen in the high-pressure air cannot be adsorbed, high-concentration finished product oxygen flows out from an outlet of the adsorption tower and enters an oxygen storage tank, then the adsorption tower discharges the adsorbed nitrogen to the atmosphere through another gas passage of the pneumatic control valve, and the oxygen storage tank conveys high-concentration finished product medical oxygen to a respiratory tract of a patient through a gas pipeline.
As shown in fig. 3, the ventilation unit 180 includes: the device comprises a proportional valve, an air-oxygen mixer, an oxygen concentration sensor, a flow sensor, a controllable airflow generator, a pressure sensor and a heating and humidifying unit. Wherein the oxygen proportional valve is used for adjusting the oxygen amount input to the aeration unit; the air-oxygen mixer is used for mixing input oxygen with air to produce air-oxygen mixed gas with a certain oxygen concentration; the oxygen concentration sensor is used for monitoring the oxygen concentration of gas in the air-oxygen mixer in real time; the flow sensor is used for monitoring the flow of gas in an airway of a breathing pipeline connected to a patient in real time; the controllable airflow generator is used for increasing the pressure of the air-oxygen mixed gas; the pressure sensor is used for monitoring the pressure of gas in a respiratory airway of a patient; the heating and humidifying unit is used for heating and humidifying the air and oxygen in the breathing pipeline.
In this embodiment, as shown in fig. 3, when operating in the high flow humidified oxygen therapy mode, the external oxygen source enters the ventilation unit 180 through the external oxygen source interface 101; air enters the aeration unit 180 through air inlet (including filtration) 102; the ventilation unit 180 generates a heating and humidifying mixed gas of oxygen and air according to the set oxygen concentration and flow, the heating and humidifying mixed gas of air and oxygen is output to a breathing pipeline (a high-flow nasal oxygen tube, a nasal mask or a full face mask) of a patient through the main ventilation interface 105, the heating interface 104 is connected to an interface 311 of the breathing pipeline of the patient, the interface 311 of the breathing pipeline of the patient is connected with an NTC (negative temperature coefficient) close to the patient interface, the gas in the breathing pipeline of the patient is heated to the set temperature, the heating and humidifying gas is output to the patient interface from the breathing pipeline of the patient and then enters the lung of the patient for gas exchange; the gas discharged from the lungs of the patient enters the atmosphere outside the human body, and a portion enters the respiratory tract of the patient.
When the ventilation unit 180 works in the high-flow humidification oxygen therapy mode, the working process comprises the following steps:
the controller of the ventilation unit 180 performs closed-loop control according to real-time oxygen concentration data detected by the oxygen concentration sensor and real-time flow data detected by the flow sensor, adjusts oxygen input into the air-oxygen mixer through the proportional valve and an external high-pressure oxygen source interface, controls the air-oxygen mixer to output air-oxygen mixed gas with set oxygen concentration and flow through the controllable airflow generator, the air-oxygen mixed gas enters the heating and humidifying unit, the heating and humidifying unit heats the air-oxygen mixed gas to a set temperature, and the therapeutic gas is conveyed to the respiratory tract of a patient through the heating and breathing pipeline.
In this embodiment, as shown in fig. 3, when operating in the non-invasive positive pressure mechanical ventilation (oxygen mixing) mode, the oxygen source may enter the ventilation unit 180 from an external oxygen source through the external oxygen source interface 101, or may be provided by the internal oxygen generation unit 190. Air enters the aeration unit 180 through air inlet (including filtration) 102; the ventilation unit 180 generates a heating and humidifying mixed gas of oxygen and air according to the set oxygen concentration and flow, the heating and humidifying mixed gas of air and oxygen is output to a breathing pipeline of a patient through a main ventilation interface 105, a heating interface 104 is connected to an interface of the breathing pipeline of the patient, the interface of the breathing pipeline of the patient is connected with a patient end NTC, the gas in a heating pipe is heated to the set temperature, the heating and humidifying gas is output from the heating pipe to the interface of the patient, and the gas enters the lung of the patient for gas exchange; the gas discharged from the lungs of the patient enters the atmosphere outside the human body, and a portion enters the respiratory tract of the patient.
When the oxygen generating system works in a non-invasive positive pressure mechanical ventilation (air) mode, the external oxygen source interface 101 is closed, and the oxygen source of the internal oxygen generating subsystem is closed at the same time, and other working flows are the same as the non-invasive positive pressure mechanical ventilation (oxygen mixing) mode.
As shown in fig. 4, when operating in the non-invasive positive pressure mechanical ventilation (mixed oxygen) mode, the workflow includes: the oxygen source is provided by external oxygen source or system oxygen unit 190, the inside empty oxygen mist oxygen concentration of oxygen concentration monitor real-time supervision empty oxygen blender, the master controller carries out closed-loop control according to the real-time air flue pressure data that air flue pressure monitor detected, through the empty oxygen mist of controllable airflow generator control empty oxygen blender output set pressure, this empty oxygen mist gets into the humidifier, the humidifier heats this empty oxygen mist to the temperature of settlement, carry this treatment gas patient's respiratory track through heating respiratory tube.
When working in a non-invasive positive pressure mechanical ventilation (air) mode, the workflow comprises: the main controller closes the external oxygen source and the oxygen generation subsystem, the main controller carries out closed-loop control according to real-time airway pressure data detected by the airway pressure monitor, the controllable airflow generator controls the air-oxygen mixer to output air with set pressure, the air enters the humidifier, the humidifier heats the air-oxygen mixed gas to set temperature, and the therapeutic gas is conveyed to the respiratory tract of a patient through the heating respiratory pipeline.
In this embodiment, as shown in fig. 5, when operating in the low flow oxygen therapy mode, air enters the oxygen generation unit 190 through the air inlet (including filtering) 102; the oxygen generation unit 190 adopts VPSA (vacuum pressure swing adsorption) or PSA (pressure swing adsorption) oxygen generation principle to manufacture medical oxygen, and nitrogen absorbed in the oxygen generation process is discharged into the atmosphere through an exhaust port 103; medical oxygen is input into a patient breathing pipeline (nasal oxygen tube) through a patient oxygen supply outlet 106, and gas in the patient breathing pipeline is conveyed to the lung of a patient through a patient interface to exchange gas; the gas discharged from the lungs of the patient enters the atmosphere outside the human body, and a portion enters the respiratory tract of the patient.
In this embodiment, as shown in fig. 1, the system further includes: a monitoring and alarming unit 150, a blood oxygen module communication unit 140, a wireless communication unit 130 and a man-machine interaction unit 160; a monitoring and alarming unit 150 for monitoring the operation of the system, alarming when the system fails, and transmitting the alarm type and alarm threshold to the control unit 170; the blood oxygen module communication unit 140 is configured to monitor blood oxygen concentration and pulse rate of the patient in real time, and send the blood oxygen concentration and pulse rate data to the control unit 170; the main control unit 170 monitors the blood oxygen concentration of the patient in real time through the blood oxygen communication unit 140, and performs closed-loop oxygen supply control of the blood oxygen concentration with the set blood oxygen concentration, for example, 95% as a control target. A wireless communication unit 130 for remotely and wirelessly connecting a data center of a hospital; a human-computer interaction unit 160, configured to send parameters set by the user to the control unit 170, where the parameters include parameters set by users such as doctors, maintenance staff, and patients; the control unit 170 outputs parameters such as performance and status to the human-computer interaction unit 160, and provides relevant information to the user.
With reference to the above embodiment, the specific work flows of the system in the three working modes are as follows:
when the operating mode is set to the high flow humidification oxygen therapy as shown in fig. 1, the user sets the operating mode to be the high flow humidification oxygen therapy through the human-machine exchange unit 160, sets the oxygen concentration and the flow of the air-oxygen mixed gas, sets the temperature of the warming humidification unit and the temperature of the NTC near the patient end of the respiratory tract of the patient, and the like, and sends the information to the control unit 170, as shown in fig. 4, the central control unit of the control unit 170 stores the received parameters in the memory. As shown in fig. 3 and 4, the external oxygen source gas enters the proportional valve through the external oxygen source interface 101, and the proportional valve is controlled by the control unit 170 to be fully opened or partially opened, so that all or part of the external oxygen source gas is delivered to the air-oxygen mixer. Air is input as filtered air from air inlet (including filtration) 102 and delivered to the air-oxygen mixer. An oxygen concentration sensor connected with the air-oxygen mixer monitors the oxygen concentration of the air-oxygen mixed gas in the air-oxygen mixer in real time, the control unit 170 reads the oxygen concentration information of the oxygen concentration sensor at certain time intervals, such as 50 milliseconds, the control unit 170 outputs a proportional valve opening degree signal to the proportional valve by taking the set oxygen concentration as a control target, and the opening degree of the proportional valve is adjusted to enable the oxygen concentration of the air-oxygen mixer to be equal to the oxygen concentration set by a user. The air-oxygen mixer outputs air-oxygen mixed gas to the flow sensor, the flow sensor detects the flow of the air-oxygen mixed gas in real time, the control unit 170 reads the flow information of the flow sensor at certain time intervals, such as 5 milliseconds, the control unit 170 outputs a motor control signal to a motor inside the fan by taking the set flow as a control target, and the rotating speed of the fan is adjusted so that the flow rate of the air-oxygen mixed gas is equal to the set flow rate. Oxygen mixed gas with set flow rate enters a heating and humidifying unit for heating and humidifying to generate heating and humidifying gas, and the heating and humidifying gas is connected to a breathing pipeline of a patient through a main ventilation interface 105; the heating and humidifying unit is connected with the heating interface 104 through a heating control signal and a temperature signal, the heating control signal of the heating interface 104 is connected with the interface of the breathing pipeline of the patient to heat the heating wire of the breathing pipeline, the temperature signal of the heating interface 104 is provided by an NTC, and the NTC detects the gas temperature close to the patient interface in real time and inputs the gas temperature to the control unit 170; the NTC inside the heating unit monitors the temperature thereof in real time and outputs a temperature signal. The control unit 170 takes the set temperature of the warming and humidifying unit and the temperature of the NTC near the patient end of the respiratory tract of the patient as control targets, respectively outputs a heating control signal to the heating wire of the warming and humidifying unit, and outputs the heating control signal to the warming and humidifying unit, so that the gas temperature signal of the patient interface is equal to the set temperature.
When the non-invasive positive pressure mechanical ventilation (oxygen mixing) mode is set, that is, the user sets the working mode to the non-invasive positive pressure mechanical ventilation (oxygen mixing) mode through the man-machine exchange unit 160, sets parameters of the bi-level positive pressure mechanical ventilation mode, such as inspiratory airway pressure, expiratory airway pressure and the like, sets oxygen concentration of the air-oxygen mixed gas, sets the temperature of the warming and humidifying unit and the temperature of the NTC (negative temperature coefficient) near the patient end of the respiratory tract of the patient, and sends the information to the control unit 170, as shown in fig. 3, the control unit 170 stores the received parameters in the memory. External oxygen source gas enters the proportional valve through the external oxygen source interface 101, the proportional valve is controlled by the control unit 170 to be fully opened or partially opened, and all or part of the external oxygen source gas is conveyed to the air-oxygen mixer. Air is filtered by the air inlet 102 (including filtering) and is conveyed to the air-oxygen mixer; an oxygen concentration sensor connected with the air-oxygen mixer monitors the oxygen concentration in the air-oxygen mixer in real time, the control unit 170 reads the oxygen concentration information of the oxygen concentration sensor at certain time intervals, such as 50 milliseconds, the control unit 170 outputs a proportional valve opening signal to the proportional valve by taking the set oxygen concentration as a control target, and the opening of the proportional valve is adjusted so that the oxygen concentration of the air-oxygen mixer is equal to the oxygen concentration set by a user. The air-oxygen mixer outputs air-oxygen mixed gas to the flow sensor, the flow sensor detects the flow of the air-oxygen mixed gas in real time, the air-oxygen mixed gas is input to the fan, the fan operates at a certain rotating speed, and the air-oxygen mixed gas is conveyed to the heating and humidifying unit through the gas pipeline. The pressure sensor connected to the gas line monitors the pressure of the gas in the airway in real time, and the control unit 170 reads the pressure information of the pressure sensor at certain time intervals, for example, 5 ms. The control unit 170 reads the flow rate information from the flow sensor at certain time intervals, such as 5 milliseconds, and discriminates the patient's breathing behavior through an algorithm. When the inspiration action of the patient is detected, the set inspiration phase air passage pressure is taken as a control target, a motor control signal is output to a motor in the fan, and the rotating speed of the fan is adjusted, so that the pressure of the oxygen mixed gas in the air passage is equal to the inspiration phase air passage pressure set by the user. When the exhalation action of the patient is detected, the set exhalation-phase airway pressure is taken as a control target, a motor control signal is output to a motor of the fan, and the rotating speed of the fan is adjusted, so that the pressure of the oxygen-mixed gas in the airway is equal to the exhalation-phase airway pressure set by the user. The air-oxygen mixed gas reaching the set airway pressure is input into a heating and humidifying unit, the heating and humidifying unit is connected with a heating interface 104 through a heating wire and used for heating a breathing pipeline of a patient, and the heating unit feeds back temperature information of an NTC (negative temperature coefficient) close to the patient end of the breathing pipeline of the patient through a temperature acquisition signal line. The control unit 170 reads temperature information of the NTC of the temperature sensor inside the warming and humidifying unit and temperature information of the NTC of the patient breathing circuit near the patient end at certain time intervals, such as 20 milliseconds, and outputs a heating control signal of the warming and humidifying unit to the heating wire with the set temperature of the warming and humidifying unit as a control target, so that the temperature information of the NTC of the temperature sensor inside the warming and humidifying unit is equal to the set temperature of the warming and humidifying unit; and outputting a heating control signal of the heating interface 104 by taking the set temperature of the NTC close to the patient end of the respiratory tract of the patient as a control target, so that the temperature information of the NTC close to the patient end of the respiratory tract of the patient is equal to the set temperature of the NTC close to the patient end of the respiratory tract of the patient. The heated and humidified gas reaching the set temperature is delivered to the main ventilation interface 105, connected to the patient breathing circuit, and delivered to the patient interface, where it enters the lungs of the patient for gas exchange.
As shown in fig. 1, when the low flow oxygen therapy mode is set, the user sets the operation mode to the low flow oxygen therapy mode through the man-machine exchange unit 160 and sets the flow rate. This information is sent to the control unit 170 via 161. As shown in fig. 6, the control unit 170 stores the accepted parameters in the memory. The control unit 170 controls the air compressor to enter the operation state through the control signal. As shown in fig. 5, the air compressor draws air through an air inlet (including filter) 102 and the air passes through a silencer to reduce intake noise. The muffled gas enters an oil-free air compressor to output high-pressure air, the high-pressure air passes through a cooler to reduce the temperature of the high-pressure air, and the high-pressure air is output to an atomization interface 107 for atomization; high-pressure air is input into the pneumatic control valve, the control unit 170 outputs a control signal to a valve body of the pneumatic control valve, the high-pressure air is input into the air passage and is conveyed to the adsorption tower for air-oxygen separation, and the produced finished product oxygen enters the oxygen storage tank through the one-way valve; the finished product oxygen is conveyed to the flow control valve through the air passage, and is input to the oxygen concentration and flow sensor after passing through the flow control valve, the oxygen concentration and flow information of the finished product oxygen are measured in real time, the finished product oxygen flowing out of the oxygen concentration and flow sensor enters the electromagnetic valve, the main control unit 170 outputs a control signal to stop the electromagnetic valve from conveying the finished product oxygen to the ventilation unit 180, but conveying the finished product oxygen to the air passage, and the pressure sensor is connected to the air passage to monitor the pressure information of the finished product oxygen in the air passage in real time. The main control unit 170 reads the pressure information of the gas in the airway monitored by the pressure sensor at certain time intervals, such as 5 milliseconds, to discriminate the inspiratory action of the patient. When the patient inhales, a control signal is output to the flow control valve according to the flow parameters set by the user, and the flow control valve controls the oxygen supply gas according to the set flow-time curve.
In this embodiment, as shown in fig. 1, the oxygen generation unit 190 is provided with a positive air pressure interface 107 and a negative air pressure interface 108, wherein the positive air pressure interface 107 is used for connecting an atomization device, and the oxygen generation unit 190 provides a positive pressure air source for the atomization device; the negative pressure interface 108 is used for connecting the sputum suction device, and the oxygen generation unit 190 provides a negative pressure air source for the sputum suction device. When working in the sputum suction mode, the external sputum suction apparatus is connected through the sputum suction interface 108 and the sputum suction apparatus is connected to the patient interface. When the device is operated in the nebulizing mode, an external nebulizing device is connected through the nebulizing interface 107, and the nebulizing device is connected to the respiratory tract of the patient.
As shown in fig. 8, the present embodiment also provides a multifunctional respiratory therapy method for hospital and home environments, including:
101. the control unit sets different working modes and preset treatment parameters in the different working modes; sending the preset treatment parameters to an oxygen generation unit and a ventilation unit according to the different working modes; the different operating modes include: high-flow humidified oxygen therapy, low-flow oxygen therapy and a non-invasive positive pressure mechanical ventilation working mode;
102. the control unit controls the oxygen generation unit to generate oxygen and transmits the oxygen to the ventilation unit or the breathing pipeline of the patient;
103. when oxygen is conveyed to the ventilation unit, the control unit controls the ventilation unit to mix the oxygen/external oxygen source and air conveyed by the oxygen generation unit into air-oxygen mixed gas, adjusts the actual treatment parameter value to a preset treatment parameter value according to different working modes, and conveys the air-oxygen mixed gas to a breathing pipeline of a patient so that the air-oxygen mixed gas enters the lung of the patient to exchange gas;
104. under the noninvasive positive pressure mechanical ventilation mode, the ventilation unit mixes the oxygen and the air delivered by the oxygen generation unit into air-oxygen mixed gas, and when the oxygen/air-oxygen mixed gas is delivered to the breathing pipeline of the patient, the control unit controls the oxygen generation unit to supply oxygen/air to the patient through the oxygen channel/air channel according to the breathing phase of the patient.
The method for supplying oxygen/air to the patient through the oxygen channel/air channel by controlling the oxygen generation unit through the control unit according to the breathing phase of the patient comprises the following steps:
the control unit control system oxygen unit monitors patient's breathing phase place, breathes the phase place, includes: an inspiratory phase and an expiratory phase;
the inspiratory phase supplies oxygen to the patient through the oxygen channel and supplies air to the patient through the air channel;
in the expiratory phase, the oxygen passage stops supplying oxygen, and the air passage supplies air to the patient.
The whole beneficial effects are as follows:
1. the invention realizes the integrated respiratory treatment scheme of low/high flow humidified oxygen therapy, noninvasive positive pressure mechanical ventilation, auxiliary atomization and sputum aspiration, meets the treatment requirements of respiratory patients in different disease courses during the acute stage and withdrawal stage of the disease, and reduces the complexity of configuring various different treatment devices in different disease courses.
2. The invention integrates the oxygen generation function, the noninvasive positive pressure mechanical ventilation function, the oxygen saving function and the heating and humidifying function into a whole, and is suitable for various environments of hospital wards, emergency hospitals, shelter hospitals and families.
3. The multifunctional respiratory therapy system is convenient to use, can automatically run after being set once according to medical advice, is automatically monitored, gives a fault alarm, is simple to operate, greatly reduces the workload of medical staff, and improves the safety.
4. The modular design of the invention can improve the utilization rate of the equipment, and each module can respectively and independently operate and can also be combined with other respiratory therapy equipment to adapt to the requirements of different treatment stages.
5. The invention has wireless data connection function, can be connected with a hospital data system to realize monitoring and alarming, provides data records for diagnosis and medical record analysis, and can be connected with a big data system to carry out deep utilization.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (9)

1. A multi-functional respiratory therapy system for hospital and home environments, comprising:
a control unit (170), a ventilation unit (180) and an oxygen generation unit (190);
the control unit (170) is used for setting different working modes and preset treatment parameters in the different working modes; for controlling the oxygen generation unit (190) and the ventilation unit (180) to adjust the actual treatment parameter value to the preset treatment parameter value according to the different working modes; the different operating modes include: high-flow humidified oxygen therapy, low-flow oxygen therapy and a non-invasive positive pressure mechanical ventilation working mode;
the oxygen generation unit (190) is used for generating oxygen and delivering the oxygen to the ventilation unit (180) or the respiratory circuit of the patient; the patient breathing circuit employed in a non-invasive positive pressure mechanical ventilation mode of operation, comprising: the oxygen generation unit (190) supplies oxygen/air to the patient through the oxygen channel/air channel according to the breathing phase of the patient;
the ventilation unit (180) is used for mixing the oxygen/external oxygen source and air delivered by the oxygen generation unit (190) into an air-oxygen mixed gas, and adjusting the concentration of the air-oxygen mixed gas to reach the preset treatment parameter value; the flow rate of the air-oxygen mixed gas is adjusted to reach the preset treatment parameter value; the heating and humidifying device is used for heating and humidifying the air-oxygen mixed gas to generate heating and humidifying gas, enabling the heating and humidifying gas to enter a breathing pipeline of a patient, and adjusting the heating and humidifying temperature and the temperature of the breathing pipeline of the patient to reach the preset treatment parameter value; the device is used for monitoring the pressure value and the flow rate value of the air-oxygen mixed gas and adjusting the pressure value of the air-oxygen mixed gas to reach the preset treatment parameter value.
2. A multifunctional respiratory therapy system for hospital and home environments according to claim 1 characterized by the fact that said preset therapy parameters in different operating modes comprise:
the preset treatment parameters under the high-flow humidification oxygen therapy working mode comprise: the oxygen concentration of the air-oxygen mixed gas, the flow of the air-oxygen mixed gas, the heating and humidifying temperature and the temperature of a breathing pipeline of a patient;
the preset treatment parameters in the low-flow oxygen therapy working mode comprise: the flow rate of oxygen;
the preset treatment parameters under the non-invasive positive pressure mechanical ventilation working mode comprise: the oxygen concentration of the air-oxygen mixed gas, the flow of the air-oxygen mixed gas, the pressure of an inspiratory airway, the pressure of an expiratory airway, the temperature of heating and humidifying and the temperature of a breathing pipeline of a patient.
3. A multifunctional respiratory therapy system for hospital and home environments according to claim 1 characterized by said high flow humidified oxygen therapy mode of operation comprising:
the control unit (170) controls the ventilation unit (180) to mix the oxygen/external oxygen source delivered by the oxygen generation unit (190) and air to prepare an air-oxygen mixed gas, and the oxygen concentration and the flow rate of the air-oxygen mixed gas are adjusted to reach the preset treatment parameter values;
the control unit (170) controls the ventilation unit (180) to heat and humidify the air-oxygen mixed gas to generate heated and humidified gas, and then the heated and humidified gas is conveyed to a breathing pipeline of a patient;
the control unit (170) controls the ventilation unit (180) to adjust the temperature values of the warming and humidifying gas and the patient breathing pipeline to reach the preset treatment parameter value;
a control unit (170) controls the ventilation unit (180) to deliver the warmed humidified gas to the patient breathing circuit.
4. A multifunctional respiratory therapy system for hospital and home environments according to claim 2, characterized by said non-invasive positive pressure mechanical ventilation mode of operation comprising:
the control unit (170) controls the ventilation unit (180) to mix the oxygen/external oxygen source delivered by the oxygen generation unit (190) and air to prepare an air-oxygen mixed gas, and the oxygen concentration and the flow rate of the air-oxygen mixed gas are adjusted to reach the preset treatment parameter values;
the ventilation unit (180) monitors the pressure value and the flow rate value of the air-oxygen mixed gas and sends the pressure value and the flow rate value to the control unit (170);
the control unit (170) judges the expiratory phase or the inspiratory phase of the patient according to the pressure value and the flow rate value;
when the inspiration phase is judged, the control unit (170) controls the ventilation unit (180) to adjust the pressure value of the air-oxygen mixed gas to be equal to the pressure value of the inspiration phase air passage; when the expiratory phase is judged, the control unit (170) controls the ventilation unit (180) to adjust the air-oxygen mixed gas pressure value to be equal to the expiratory phase airway pressure value.
5. A multi-functional respiratory therapy system for hospital and home environments according to claim 1, wherein said low flow oxygen therapy mode of operation comprises:
the control unit (170) controls the oxygen generation unit (190) to produce oxygen by adopting a vacuum pressure swing adsorption or pressure swing adsorption technology;
the control unit (170) controls the oxygen generation unit (190) to adjust the oxygen flow value to reach the preset treatment parameter value;
a control unit (170) controls the oxygen generation unit (190) to deliver oxygen to the patient breathing circuit.
6. A multi-functional respiratory therapy system for hospital and home environments according to claim 1, further comprising:
the blood oxygen monitoring and alarming device comprises a monitoring and alarming unit (150), a blood oxygen module communication unit (140), a wireless communication unit (130) and a man-machine interaction unit (160);
the monitoring and alarming unit (150) is used for monitoring the operation of the system, alarming when the system fails, and sending the alarming type and the alarming threshold value to the control unit (170);
the blood oxygen module communication unit (140) is used for monitoring the blood oxygen concentration and the pulse rate of the patient in real time and sending the blood oxygen concentration and the pulse rate data to the control unit (170);
the wireless communication unit (130) is used for remotely and wirelessly connecting a data center of a hospital;
the human-computer interaction unit (160) is used for sending parameters set by a user to the control unit (170); the control unit (170) outputs performance and status parameters to the human-machine interaction unit (160).
7. Multifunctional respiratory therapy system for hospital and home environments according to claim 6 characterized in that said oxygen generation unit (190) comprises:
a positive air pressure interface (107) and a negative air pressure interface (108);
the positive air pressure interface (107) is used for connecting an atomization device, and the oxygen generation unit (190) provides a positive pressure air source for the atomization device; the negative air pressure interface (108) is used for connecting a sputum suction device, and the oxygen generation unit (190) provides a negative air pressure source for the sputum suction device.
8. A multi-functional respiratory therapy method for hospital and home environments, comprising:
the control unit sets different working modes and preset treatment parameters in the different working modes; sending the preset treatment parameters to an oxygen generation unit and a ventilation unit according to the different working modes; the different operating modes include: high-flow humidified oxygen therapy, low-flow oxygen therapy and a non-invasive positive pressure mechanical ventilation working mode;
the control unit controls the oxygen generation unit to generate oxygen and transmits the oxygen to the ventilation unit or the breathing pipeline of the patient;
when oxygen is conveyed to the ventilation unit, the control unit controls the ventilation unit to mix the oxygen/external oxygen source and air conveyed by the oxygen generation unit into air-oxygen mixed gas, adjusts the actual treatment parameter value to a preset treatment parameter value according to different working modes, and conveys the air-oxygen mixed gas to a breathing pipeline of a patient so that the air-oxygen mixed gas enters the lung of the patient to exchange gas;
under the noninvasive positive pressure mechanical ventilation mode, the ventilation unit mixes the oxygen and the air that the system oxygen unit carried into empty oxygen mist, works as empty oxygen mist carries to patient breathing pipeline, and the control unit control system oxygen unit passes through oxygen passageway/air passageway according to patient's breathing phase place and for patient oxygen suppliment/air.
9. The multifunctional respiratory therapy method for hospital and home environment according to claim 8, characterized in that said control unit controls said oxygen generating unit to supply oxygen/air to the patient through oxygen/air channel according to the respiratory phase of the patient, comprising:
the control unit control system oxygen unit monitors patient's breathing phase place, breathing phase place includes: an inspiratory phase and an expiratory phase;
the inspiratory phase supplies oxygen to the patient through the oxygen channel and supplies air to the patient through the air channel;
and in the expiratory phase, the oxygen channel stops supplying oxygen, and the air channel supplies air to the patient.
CN202010820590.8A 2020-08-14 2020-08-14 Multifunctional respiratory therapy system and method for hospital and family environment Pending CN111821552A (en)

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CN112316262A (en) * 2020-11-03 2021-02-05 无锡市第五人民医院 Oxygen inhalation treatment system and method for digestive system disease patients
CN112316264A (en) * 2020-11-24 2021-02-05 方梁 Automatic device for breathing oxygen on wall of hospital
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CN112316262A (en) * 2020-11-03 2021-02-05 无锡市第五人民医院 Oxygen inhalation treatment system and method for digestive system disease patients
CN112316264A (en) * 2020-11-24 2021-02-05 方梁 Automatic device for breathing oxygen on wall of hospital
CN113134144A (en) * 2021-04-23 2021-07-20 中国人民解放军联勤保障部队第九八〇医院 Breathing auxiliary device with adjustable multipurpose binary channels wind pressure
WO2022263965A1 (en) * 2021-06-16 2022-12-22 Northman Ip Holdco Limited Respiratory device
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CN113769218A (en) * 2021-09-18 2021-12-10 深圳市伟晴大健康科技有限公司 Breath oxygen therapy integrated machine
CN113877036A (en) * 2021-10-13 2022-01-04 深圳麦科田生物医疗技术股份有限公司 Oxygen generator and respiratory therapy method
WO2023116265A1 (en) * 2021-12-20 2023-06-29 北京谊安健康科技有限公司 Dual-mode oxygen generator and oxygen supply method thereof
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CN114733024A (en) * 2022-04-26 2022-07-12 广州蓝仕威克医疗科技有限公司 Breathing device with carbon dioxide compensation function
CN114733024B (en) * 2022-04-26 2022-11-15 广州蓝仕威克医疗科技有限公司 Breathing device with carbon dioxide compensation function
CN115282427A (en) * 2022-06-30 2022-11-04 天津大学 High-flow humidification oxygen therapy system based on RT-Thread system

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