CN105311721B - A kind of oxygen therapy method for quality control and its system - Google Patents
A kind of oxygen therapy method for quality control and its system Download PDFInfo
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Abstract
A kind of oxygen therapy method for quality control, oxygen concentration information including monitoring oxygen channel by oxygen concentration sensor, the flow rate information in oxygen channel is monitored by flow sensor, pass through the pressure value and shape information in pressure sensor monitoring oxygen channel, pass through the human body blood oxygen saturation and pulse frequency information of the wireless pulse oximetry instrument monitoring person that receives oxygen therapy, whether monitor terminal differentiates user in oxygen uptake according to the pressure value and shape information received, the cumulative time of effective oxygen uptake and calculate respiratory rate, along with oxygen flow information, oxygen concentration information, user's blood oxygen saturation and pulse frequency information, cloud is uploaded to by wireless module, medical staff or related service personnel can be in monitor terminal or cloud real-time monitoring or the oxygen therapy compliances and therapeutic effect of understanding user, in real time Monitor the state parameter of oxygen therapy devices in system, it is ensured that oxygen therapy is safe and effective.
Description
Technical field
The invention belongs to respiratory therapy technical fields, and in particular to a kind of oxygen therapy method for quality control and its be
System.
Background technique
Oxygen therapy main purpose is to correct the hypoxemia of human body, reduces work of breathing and lightening heart load, prevents
With reverse anoxic caused by tissue damage and organ dysfunction, while as far as possible keep patient mobility.Oxygen therapy
Principal risk is effectively correct hypoxemia, aggravates carbon dioxide retention or even oxygen poisoning etc..The oxygen therapy of specification
Principle is to ensure that its safely, effectively property.
Shown in terms of compliance and therapeutic effect according to pertinent literature both domestic and external, oxygen therapy quality management means
Generally compare shortage, monitoring effect is poor.According to Pepin, O ' investigation result of Donohue et al., many patients receive doctor
But do not know specifically how to go to execute prescription after raw oxygen therapy prescription；It is comprehensive due to lacking to apparatus of oxygen supply or oxygen uptake tool
Solution, so that occurring many problems such as many mistakes in oxygen therapy prescription implementation procedure.In addition, most oxygen supply equipment matter on the market
It measures irregular, it is difficult to accomplish that long term oxygen concentration is stable, longtime running is reliable, equipment itself even lacks reliable oxygen concentration
Monitoring system.It can partially realize that the main method of oxygen therapy quality management is as follows at present:
1, the training of oxygen therapy device hardware relevant knowledge is carried out for user, allowing user to grasp as far as possible more has
Equipment is closed to operate normally and the knowledge that warns extremely, it is desirable that user if it find that after abnormal problem in time with plant maintenance personnel
Connection.
2, compliance is improved mainly by health education, promotes the cognition that patient benefits oxygen therapy, it is promoted to use wish；According to
From property monitoring mainly by providing questionnaire information table to patient, allow it from filling out or arranging personnel to assist to fill in, the method is grasped
Make complexity, time-consuming, and the information being collected into is subjective information rather than objective information, and information error is big, too late because finding the problem
When, improve Intervention Timing and effect is all undesirable.
3, therapeutic effect monitoring relies primarily on after patient oneself buys self detection of measuring device and is reported to medical staff etc.
Related personnel, or directly arrive specified medical institutions' further consultation.
The present invention is from the running state monitoring of oxygen supply equipment, the monitoring of oxygen therapy compliance and therapeutic effect monitoring of patient
It sets out, proposes the theory of oxygen therapy total quality control, and wireless by means of internet of things sensors technology, intelligent router etc.
Mechanics of communication, cloud storage technology and mobile terminal and corresponding hommization APP design, propose a kind of oxygen therapy quality management
Method simultaneously realizes oxygen therapy quality control system, it is ensured that the safely, effectively property of oxygen therapy.
Summary of the invention
In view of this, the main purpose of the present invention is to provide a kind of oxygen good with monitoring, control function, therapeutic effect
Gas therapeutic quality management method and its system.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of oxygen therapy method for quality control of the present invention, including
Step 1: monitoring the oxygen concentration information of oxygen channel by oxygen concentration sensor, and by oxygen concentration information
It is sent to monitor terminal and cloud；
Step 2: monitoring the oxygen flow information of oxygen channel by oxygen gas flow rate sensor, and by oxygen flow information
It is sent to monitor terminal and cloud；
Step 3: by the pressure information in pressure sensor monitoring oxygen channel, and pressure information is sent to monitoring
Terminal and cloud；
Step 4: monitoring the blood oxygen saturation and pulse frequency information of oxygen uptake user by blood oxygen degree of saturation instrument, and by blood oxygen
Saturation degree and pulse frequency are sent to monitor terminal and cloud；
Step 5: monitor terminal receives oxygen concentration information, oxygen flow information, pressure value and shape information, blood oxygen
Saturation degree and pulse frequency information judge oxygen therapy situation.
Wherein, in the step 5, the received pressure value of monitor terminal and shape information, when straight line is presented in pressure waveform
Or very faint waveform when, monitor terminal start alarm；When pressure waveform generates fluctuation, monitor terminal is judged to normally making
With.
Wherein, in the step 5, oxygen gas flow rate sensor acquires and sends real-time oxygen flow information to monitor terminal,
Monitor terminal compares real-time oxygen flow information and the oxygen flow information of setting, be lower than when real-time oxygen flow information or
When higher than setting oxygen flow information, monitor terminal starts alarm.
Wherein, in the step 5, including oxygen concentration sensor acquires and sends real-time oxygen concentration information, and monitoring is eventually
End is compared according to the oxygen concentration information for receiving real-time oxygen concentration information and setting, be lower than when real-time oxygen concentration information or
When person is higher than setting oxygen concentration information, monitor terminal starts alarm, prompts oxygen source abnormal.
Wherein, in the step 5, wireless pulse oximetry instrument acquires and sends real-time blood oxygen saturation and pulse frequency
For information to monitor terminal, monitor terminal is by real-time blood oxygen saturation and pulse frequency information and sets blood oxygen saturation and pulse frequency information pair
Than, when real-time blood oxygen saturation and pulse frequency information are lower than setting blood oxygen saturation and pulse frequency information, monitor terminal starting alarm
Device.
Wherein, further include step 6, by time counter mark any time period oxygen channel in pressure information,
Oxygen flow information, oxygen concentration information, the blood oxygen saturation of oxygen uptake user and pulse frequency information and machine identifier are by letter
Number processing circuit, router are sent to cloud storage and display.
Wherein, in the step 6, pressure sensor transmission real time pressure information to monitor terminal, and be converted into corresponding
Real-time respiratory rate information, monitor terminal compare real-time respiratory rate information and setting respiratory rate information, when real-time breathing
Frequency information is higher than setting respiratory rate information, and monitor terminal starts alarm；
Wherein, in the step 6, pressure sensor transmission real time pressure information to monitor terminal, and be converted into corresponding
Real-time respiratory rate information, monitor terminal can transfer the respiratory rate information of cloud storage, by respiratory rate in different time periods
Information is compared with real-time respiratory rate information, the situation that identification of breathing frequency is dramatically speeded up, and predicts acute add to patient
A possibility that weight, monitor terminal start alarm and carry out early warning.
A kind of oxygen therapy quality control system, including oxygen therapy monitoring and control module, the oxygen therapy monitoring
And control module is provided with
Oxygen concentration sensor is sent to monitoring for monitoring the oxygen concentration of oxygen channel, and by oxygen concentration information
Terminal；
Oxygen gas flow rate sensor is sent to monitoring for monitoring the oxygen gas flow rate of oxygen channel, and by oxygen flow information
Terminal；
Pressure sensor, for monitoring the pressure change in oxygen channel and detecting patient respiratory frequency, and by number pressure
Value and shape information and respiratory rate information are sent to monitor terminal；
Oximetry sensor, for monitoring the blood oxygen saturation and pulse frequency information of user, and by blood oxygen saturation
Monitor terminal is sent to pulse frequency information
Monitor terminal is inhaled for receiving oxygen flow information, oxygen concentration information and pressure value and shape information judgement
Oxygen situation；
Cloud, for receive oxygen flow information, oxygen concentration information, pressure value and shape information blood oxygen saturation and
Pulse frequency information is stored；
Alarm is connect, for issuing alarm signal with the monitor terminal electric signal；
It is provided with pressure reducing valve, is set to oxygen channel, the pressure reducing valve is connect with the monitor terminal electric signal, for controlling
The pressure of oxygen channel processed；
It is provided with flow valve, is set to oxygen channel, the flow valve is connect with the monitor terminal electric signal, for controlling
Oxygen gas flow rate in oxygen channel processed.
Wherein, be provided with signal processing control circuit and cloud, the oxygen concentration sensor, oxygen gas flow rate sensor,
The information of the pressure sensor is sent to monitor terminal by signal processing control circuit；The oxygen concentration sensor, institute
State the information of oxygen gas flow rate sensor, the pressure sensor by signal processing control circuit by WIFI or bluetooth or
ZigBee is transmitted to cloud through intelligent router.
Wherein, the oxygen gas flow rate sensor is set as ultrasonic flow sensor or pressure difference flow sensor；Oxygen concentration
Sensor is set as ultrasonic oxygen concentration sensor or zirconium oxide oxygen concentration sensor or oxygen cell oxygen concentration sensor or suitable
Magnetic oxygen concentration sensor.
A kind of oxygen therapy quality control system, including oxygen therapy monitoring and control module and oxygenerator, the oxygen
Treatment monitoring and control module are set in oxygenerator.
A kind of oxygen therapy quality control system, including oxygen therapy monitoring and control module and oxygen tank, the oxygen
Treatment monitoring and control module are connected to the oxygen tank, are set to oxygen channel.
Compared with prior art, beneficial effects of the present invention:
Oxygen therapy method for quality control through the invention can carry out comprehensive quality pipe for oxygen therapy process
Reason monitors the oxygen concentration information of oxygen channel by oxygen concentration sensor, is monitored in oxygen channel by flow sensor
Flow rate information blood oxygen degree of saturation instrument is passed through by the pressure value and shape information in pressure sensor monitoring oxygen channel
The blood oxygen saturation and pulse frequency information in oxygen uptake user blood are monitored, monitor terminal is according to the pressure value and waveform received
Information calculates respiratory rate, differentiates that user whether in oxygen uptake, along with oxygen flow information, oxygen concentration information, uses
Person's blood oxygen saturation and pulse frequency information upload to cloud by wireless module, and medical staff or related personnel can be whole in monitoring
End or cloud real-time monitoring or the oxygen therapy compliance and therapeutic effect for understanding user, it is ensured that oxygen therapy is safe and effective.
The blood oxygen saturation and pulse frequency information in oxygen uptake user blood are monitored according to wireless pulse oximetry instrument,
Scene or remote adjustment simultaneously set oxygen uptake flow, make up to treatment standard required by medical standard；In oxygen therapy process
In, it is analyzed by the data uploaded to oxygen uptake user, can be adjusted in monitor terminal or cloud under medical staff's guidance
And new oxygen uptake flow is set, make up to treatment standard required by medical standard.
According to oxygen uptake user's respiratory waveform judge oxygen uptake user whether use do not use in the case where mentioned
It wakes up.
The variation that the respiratory rate of oxygen uptake user is judged according to oxygen uptake user's respiratory waveform, passes through wireless pulse blood oxygen
Saturation degree instrument monitor oxygen uptake user pulse frequency variation, can predict in time oxygen uptake user whether there is or not state of an illness acute exacerbation can
Energy.
According to the monitoring of oxygen concentration, oxygen source not up to standard can be reminded and carry out replacement or maintenance, repair, guarantor in time
It supports.
Medical staff can understand the state of oxygen uptake user in monitor terminal or cloud in real time, and can also inquire solution
The long history oxygen uptake of oxygen uptake user records, and provides accurate judgement standard, comprehensive raising oxygen therapy to oxygen therapy compliance
Effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
Embodiment 1
As shown in Figure 1, a kind of oxygen therapy quality control system, including oxygen therapy monitoring and control module and oxygen processed
Machine, the oxygen therapy monitoring and control module are set in oxygenerator.
Oxygen therapy monitoring and control module, including
Oxygen concentration sensor, the oxygen concentration for monitoring oxygen channel, and real-time oxygen concentration information is sent to
Monitor terminal；
Oxygen gas flow rate sensor is sent to for monitoring the oxygen gas flow rate of oxygen channel, and by real-time oxygen flow information
Monitor terminal；
Pressure sensor is sent out for monitoring the pressure change in oxygen channel, and by real-time pressure numerical value and shape information
It send to monitor terminal；
Oximetry sensor, for monitoring the blood oxygen saturation and pulse frequency information of user, and by blood oxygen saturation
Monitor terminal is sent to pulse frequency information；
Monitor terminal, for receiving real-time oxygen flow information, real-time oxygen concentration information, real-time pressure numerical value and waveform
Information, real-time blood oxygen saturation and pulse frequency information, judge the oxygen uptake situation of user, and control oxygen stream by flow control valve
Speed；
Cloud, for receive oxygen flow information, oxygen concentration information, pressure value and shape information blood oxygen saturation and
Pulse frequency information is stored；
Alarm is connect, for issuing alarm signal with the monitor terminal electric signal.
Pressure reducing valve is set to oxygen channel, and the pressure reducing valve is connect with the monitor terminal electric signal, for controlling oxygen
The pressure in channel.
Various sensors in the present invention are sent to monitor terminal by signal processing control circuit, i.e., the described oxygen concentration
Sensor, oxygen gas flow rate sensor, the pressure sensor information be sent to monitor terminal.
Transmission mode in the present invention can satisfy whole designs, the oxygen concentration sensor, the oxygen gas flow rate
Sensor, the pressure sensor information by signal processing control circuit by WIFI or bluetooth or ZigBee through intelligent road
Cloud is transmitted to by device.
By the design of machine identifier, i.e. all oxygen therapy management systems of all terminals can be checked by cloud
Operating condition, and provide interaction design, the oxygen therapy pipe that medical worker can remotely use user by cloud
Reason system is managed and controls, extremely easy to use, can be with controlling more than 1 pair.
Monitor terminal of the invention can be designed as using under line, i.e., medical worker is at user scene for oxygen therapy
The information of multiple sensors of management system is judged and is manipulated.
Alarm can be designed as onsite alarming prompt medical worker, may be designed in cloud and issues alarm signal,
Prompt medical worker controls the terminal by cloud.
Remote control logic of the invention is that the terminal of each oxygen therapy management system sends collected real time information
To cloud, medical worker carries out the machine according to the unique identifier and real time information of machine unique identifier with machine
Control.
It is standby that the unique identifier of the collected use information of multiple sensors and machine can also be sent into cloud by the present invention
It deposits, when cloud needs to transfer the information of oxygen therapy management system of user, is carried out by the unique identifier of machine single
It solely transfers, accuracy rate is high, very easy to use.
Oxygen gas flow rate sensor of the invention can be set to ultrasonic flow sensor or pressure difference flow sensor；Oxygen is dense
Degree sensor be set as ultrasonic oxygen concentration sensor or zirconium oxide oxygen concentration sensor or oxygen cell oxygen concentration sensor or
Paramagnetic oxygen concentration sensor.
Oxygen therapy monitoring of the invention and control module are set in oxygenerator, by piping connection in the defeated of oxygenerator
Before outlet, the output end of oxygenerator is connected to by oxygen channel, breathing mask with user, and flow valve, pressure reducing valve can be set
It sets in oxygen channel or oxygenerator, is easy to use.
Embodiment 2
A kind of oxygen therapy management system, inhalation device of the invention the difference from example 2 is that: including above-mentioned oxygen
Gas Treatment monitoring module and oxygen tank, the oxygen therapy monitoring modular are connected to the oxygen tank.
In the present embodiment, oxygen therapy monitoring and control module are set to outside gas source, i.e., logical using oxygen tank and oxygen
The design in road, oxygen therapy monitoring and control module are added on oxygen channel, are connected to oxygen channel, can be by monitoring eventually
End is implemented as the whole monitorings and control of oxygen therapy process.
The scheme of the present embodiment can not replace the existing equipment of user, only install oxygen therapy monitoring additional
And control module can be completed, and effectively reduces the use cost of user, has a wide range of application, when sensor and monitor terminal etc.
When component is damaged, it can also be replaced in time.
Embodiment 3
The embodiment of the present invention describes a kind of oxygen therapy method for quality control, including
Step 1: monitoring the oxygen concentration information of oxygen channel by oxygen concentration sensor, and by oxygen concentration information
It is sent to monitor terminal；
Step 2: monitoring the oxygen flow information of oxygen channel by oxygen gas flow rate sensor, and by oxygen flow information
It is sent to monitor terminal；
Step 3: by the pressure information in pressure sensor monitoring oxygen channel, and pressure information is sent to monitoring
Terminal；
Step 4: monitoring the blood oxygen saturation and pulse frequency information of oxygen uptake user by blood oxygen degree of saturation instrument, and by blood oxygen
Saturation degree and pulse frequency are sent to monitor terminal；
Step 5: monitor terminal receives oxygen concentration information, oxygen flow information, pressure value and shape information, blood oxygen
Saturation degree and pulse frequency information judge oxygen therapy situation.
Whether monitor terminal differentiates user in oxygen uptake, effective oxygen uptake according to the pressure value and shape information that receive
Cumulative time and respiratory rate is calculated, adds oxygen flow information, oxygen concentration information, user's blood oxygen saturation and arteries and veins
Rate information uploads to cloud by wireless module, and medical staff or related service personnel can be real-time in monitor terminal or cloud
Monitoring or the oxygen therapy compliance and therapeutic effect for understanding user, the state ginseng of real-time monitoring oxygen therapy devices in system
Number, it is ensured that oxygen therapy is safe and effective.
In the step 5, the received pressure value of monitor terminal and shape information, when pressure waveform presentation straight line or very
When faint waveform, monitor terminal starts alarm；When pressure waveform generates fluctuation, monitor terminal is determined as normal use.
In the step 5, oxygen gas flow rate sensor acquires and sends real-time oxygen flow information to monitor terminal, monitoring
Terminal compares real-time oxygen flow information and the oxygen flow information of setting, when real-time oxygen flow information is below or above
When setting oxygen flow information, monitor terminal starts alarm.
Wherein, in the step 5, including oxygen concentration sensor acquires and sends real-time oxygen concentration information, and monitoring is eventually
End is compared according to the oxygen concentration information for receiving real-time oxygen concentration information and setting, be lower than when real-time oxygen concentration information or
When person is higher than setting oxygen concentration information, monitor terminal starts alarm, prompts oxygen source abnormal.
Wherein, in the step 5, wireless pulse oximetry instrument acquires and sends real-time blood oxygen saturation and pulse frequency
For information to monitor terminal, monitor terminal is by real-time blood oxygen saturation and pulse frequency information and sets blood oxygen saturation and pulse frequency information pair
Than, when real-time blood oxygen saturation and pulse frequency information are lower than setting blood oxygen saturation and pulse frequency information, monitor terminal starting alarm
Device.
Wherein, further include step 6, by time counter mark any time period oxygen channel in pressure information,
Oxygen flow information, oxygen concentration information, the blood oxygen saturation of oxygen uptake user and pulse frequency information and machine identifier are by letter
Number processing circuit, router are sent to cloud storage and display.
Wherein, in the step 6, pressure sensor transmission real time pressure information to monitor terminal, and be converted into corresponding
Real-time respiratory rate information, monitor terminal compare real-time respiratory rate information and setting respiratory rate information, when real-time breathing
Frequency information is higher than setting respiratory rate information, and monitor terminal starts alarm；
Wherein, in the step 6, pressure sensor transmission real time pressure information to monitor terminal, and be converted into corresponding
Real-time respiratory rate information, monitor terminal can transfer the respiratory rate information of cloud storage, by respiratory rate in different time periods
Information is compared with real-time respiratory rate information, the situation that identification of breathing frequency is dramatically speeded up, and predicts acute add to patient
A possibility that weight, monitor terminal start alarm and carry out early warning.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of protection of the claims
Subject to.
Claims (2)
1. a kind of oxygen therapy management system, it is characterised in that: including
Oxygen therapy monitoring and control module, the oxygen therapy monitoring and control module are provided with oxygen concentration sensor, use
In the oxygen concentration of monitoring oxygen channel, and oxygen concentration information is sent to monitor terminal and cloud；
Oxygen gas flow rate sensor is sent to monitor terminal for monitoring the oxygen gas flow rate of oxygen channel, and by oxygen flow information
The cloud and；
Pressure sensor, for monitoring the pressure change in oxygen channel and detecting patient respiratory frequency, and by pressure value and
Shape information and respiratory rate information are sent to monitor terminal and cloud；
Oximetry sensor, for monitoring the blood oxygen saturation and pulse frequency information of user, and by blood oxygen saturation and arteries and veins
Rate information is sent to monitor terminal and cloud；
Monitor terminal, for receiving oxygen flow information, oxygen concentration information, pressure value and shape information, blood oxygen saturation
Oxygen uptake situation is judged with pulse frequency information；
Cloud, for receiving oxygen flow information, oxygen concentration information, pressure value and shape information, blood oxygen saturation and arteries and veins
Rate information is stored；
Alarm is connect, for issuing alarm signal with the monitor terminal electric signal；
It is provided with pressure reducing valve, is set to oxygen channel, the pressure reducing valve is connect with the monitor terminal electric signal, for controlling oxygen
The pressure in gas channel；
It is provided with flow valve, is set to oxygen channel, the flow valve is connect with the monitor terminal electric signal, for controlling oxygen
Oxygen gas flow rate in gas channel.
2. a kind of oxygen therapy management system according to claim 1, it is characterised in that: be provided with signal processing control electricity
Road, the oxygen concentration sensor, oxygen gas flow rate sensor, the pressure sensor information pass through signal processing control circuit
It is sent to monitor terminal；The oxygen concentration sensor, the oxygen gas flow rate sensor, the pressure sensor information pass through
Signal processing control circuit is transmitted to cloud through intelligent router by WIFI or bluetooth or ZigBee.
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| CN105920714A (en) * | 2016-05-18 | 2016-09-07 | 广东诚辉医疗器械有限公司 | Intelligent oxygen generator medical platform |
| CN106730209B (en) * | 2017-01-18 | 2019-11-22 | 湖南明康中锦医疗科技发展有限公司 | The method and ventilator of ventilator alarm |
| KR102540426B1 (en) * | 2017-03-31 | 2023-06-05 | 데이진 화-마 가부시키가이샤 | oxygen therapy system |
| CN106964044B (en) * | 2017-05-01 | 2018-04-17 | 河南省中医院（河南中医药大学第二附属医院） | Respiratory diagnosis and treatment system based on cloud computing |
| CN107281598A (en) * | 2017-06-27 | 2017-10-24 | 合肥康居人智能科技有限公司 | A kind of Intelligent Atomizer for being used to treat respiratory tract infection |
| CN107583153A (en) * | 2017-08-29 | 2018-01-16 | 广州康智件科技有限公司 | The cooperative control method and synthetical compositive evaluating of a kind of Breathing Suppotion |
| CN108452410B (en) * | 2017-12-01 | 2024-03-22 | 广州康智件科技有限公司 | Monitoring system for oxygen therapy |
| CN111712860A (en) * | 2018-02-21 | 2020-09-25 | 帝人制药株式会社 | Server, monitoring system, terminal, monitoring device and method for monitoring oxygen concentration device |
| CN108568018A (en) * | 2018-03-19 | 2018-09-25 | 西安汇智医疗集团有限公司 | A kind of intelligent controlling device and control method of target blood oxygen saturation |
| CN110755727B (en) * | 2018-07-26 | 2023-11-28 | 林信涌 | Hydrogen generator capable of being electrically coupled with cloud monitoring system and cloud monitoring system thereof |
| CN110368561A (en) * | 2019-06-03 | 2019-10-25 | 南京晨伟医疗设备有限公司 | A kind of ventilator intelligence system and its working method |
| CN110269986B (en) * | 2019-06-24 | 2020-06-05 | 杜乐栋 | Portable energy-concerving and environment-protective breathing machine equipment |
| WO2021022785A1 (en) * | 2019-08-05 | 2021-02-11 | 西安汇智医疗集团有限公司 | Multifunctional oxygen output system based on cooperative control of respiratory rate and target blood oxygen value |
| 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 |
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