CN111595609A - Respiratory rhythm generating device, detection system with same and detection method - Google Patents
Respiratory rhythm generating device, detection system with same and detection method Download PDFInfo
- Publication number
- CN111595609A CN111595609A CN202010569010.2A CN202010569010A CN111595609A CN 111595609 A CN111595609 A CN 111595609A CN 202010569010 A CN202010569010 A CN 202010569010A CN 111595609 A CN111595609 A CN 111595609A
- Authority
- CN
- China
- Prior art keywords
- respiratory
- carbon dioxide
- electromagnetic valve
- monitoring
- equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000000241 respiratory effect Effects 0.000 title claims abstract description 124
- 230000033764 rhythmic process Effects 0.000 title claims abstract description 87
- 238000001514 detection method Methods 0.000 title claims abstract description 38
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 170
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 85
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 83
- 238000012544 monitoring process Methods 0.000 claims abstract description 68
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 67
- 238000012806 monitoring device Methods 0.000 claims abstract description 27
- 230000036391 respiratory frequency Effects 0.000 claims description 17
- 238000004364 calculation method Methods 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 8
- 230000036387 respiratory rate Effects 0.000 claims description 5
- 230000035565 breathing frequency Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims 4
- 238000009530 blood pressure measurement Methods 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 13
- 239000007789 gas Substances 0.000 description 87
- 238000000034 method Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 13
- 238000011156 evaluation Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000000523 sample Substances 0.000 description 7
- 238000004088 simulation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000003434 inspiratory effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 238000003759 clinical diagnosis Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 208000030159 metabolic disease Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000004202 respiratory function Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/12—Circuits of general importance; Signal processing
- G01N2201/127—Calibration; base line adjustment; drift compensation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/12—Circuits of general importance; Signal processing
- G01N2201/13—Standards, constitution
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The embodiment of the application discloses a respiratory rhythm generating device, a detection system with the same and a detection method. The respiratory rhythm generating apparatus includes: the controller, install first solenoid valve, second solenoid valve and positive pressure pump on the equipment bottom plate, set up standard gas inlet and the outlet of modulating gas on the equipment side board. The respiratory rhythm generating device can truly and accurately simulate the respiratory change rule of a human body, and is matched with carbon dioxide standard gas with different concentrations to detect the accuracy of a monitoring module in the respiratory monitoring device. Meanwhile, the breathing rhythm generation equipment is simple and easy to operate and understand, small in size and convenient to carry and carry out detection work.
Description
Technical Field
The application relates to monitoring technology of a respiratory monitoring system, in particular to a respiratory rhythm generating device, a detection system with the same and a detection method.
Background
End-tidal carbon dioxide concentration or partial pressure is an important monitoring indicator for anesthetized patients and patients with respiratory metabolic diseases. At present, the function of monitoring parameters such as end-tidal carbon dioxide concentration or partial pressure has become a conventional configuration of multi-parameter monitoring equipment (hereinafter referred to as respiratory monitoring equipment) in hospitals at home and abroad. Therefore, there is a need to detect the accuracy of these respiratory monitoring devices.
Disclosure of Invention
This summary is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. This summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter.
Some embodiments of the present application provide a respiratory rhythm generation device, a respiratory monitoring device accuracy detection system and a method, to solve the technical problems mentioned in the background section above.
In a first aspect, some embodiments of the present disclosure provide a respiratory rhythm generation device comprising: the controller is provided with an electromagnetic valve and a positive pressure pump which are arranged on the bottom plate of the equipment, and a standard gas inlet and a modulated gas outlet which are arranged on the side panel of the equipment; the electromagnetic valve is used for controlling input and output of gas, the electromagnetic valve comprises a first electromagnetic valve used for inputting carbon dioxide standard gas and a second electromagnetic valve used for inputting air, two ends of the first electromagnetic valve are respectively connected with the standard gas inlet and the modulated gas outlet through hoses, and two ends of the second electromagnetic valve are respectively connected with the positive pressure pump and the modulated gas outlet through hoses; the positive pressure pump is used for applying positive air pressure to the second electromagnetic valve; the controller is used for controlling the equipment to operate, and is electrically connected with the electromagnetic valve and the positive pressure pump.
In a second aspect, some embodiments of the present disclosure provide a respiratory monitoring device accuracy detection system comprising a carbon dioxide standard gas cylinder, a respiratory rhythm generation device according to any one of claims 1-6, a respiratory monitoring device; wherein the gas outlet of the carbon dioxide standard gas cylinder is connected with the standard gas inlet of the breathing rhythm generating equipment through a hose; and the monitoring module of the respiration monitoring equipment is connected with the modulated gas outlet of the respiration rhythm generating equipment through a hose.
In a third aspect, some embodiments of the present disclosure provide a respiratory monitoring device accuracy detection method based on the respiratory monitoring device accuracy detection system provided in the above embodiments, including: acquiring a respiratory parameter set on a respiratory rhythm generating device in the system, wherein the respiratory parameter comprises a first carbon dioxide concentration; controlling the respiratory rhythm generation device to produce expiratory gas based on the respiratory parameter; determining, by a monitoring module of a respiratory monitoring device in the system, a second carbon dioxide concentration of the expiratory gas; comparing the first carbon dioxide concentration with the second carbon dioxide concentration; and determining the accuracy of the respiration monitoring equipment based on a comparison result obtained by the comparison calculation.
One of the above-described various embodiments of the present disclosure has the following advantageous effects: the respiratory rhythm generating device, the respiratory monitoring device accuracy detection system and the method can truly and accurately simulate the human body respiratory variation rule, and are matched with carbon dioxide standard gases with different concentrations to be used for detecting the accuracy of a monitoring module in the functional device with the respiratory parameter monitoring function. Meanwhile, the breathing rhythm generating equipment is simple and easy to operate and understand, small in size and convenient to carry and carry out detection work. In addition, in order to ensure that the respiratory rhythm generating equipment can simulate the human body respiratory variation rule according to the set respiratory frequency parameters, the equipment also provides an evaluation function of self calibration of the equipment, and ensures the reliability of the accuracy detection of the respiratory monitoring equipment.
Drawings
The above and other features, advantages and aspects of various embodiments of the present disclosure will become more apparent by referring to the following detailed description when taken in conjunction with the accompanying drawings. Throughout the drawings, the same or similar reference numbers refer to the same or similar elements. It should be understood that the drawings are schematic and that elements and features are not necessarily drawn to scale.
FIG. 1 is a schematic diagram of an end-tidal carbon dioxide curve;
FIG. 2 is a block diagram of the internal structure of some embodiments of a respiratory rhythm generation device according to the present disclosure;
FIG. 3 is a block diagram of the internal structure of further embodiments of a respiratory rhythm generation device according to the present disclosure;
FIG. 4 is a block diagram of the external structure of some embodiments of a respiratory rhythm generation device according to the present disclosure;
FIG. 5 is a block diagram of a controller in some embodiments of a respiratory rhythm generation device according to the present disclosure;
FIG. 6 is a block diagram of the structure of some embodiments of a respiratory monitoring device accuracy detection system according to the present disclosure;
FIG. 7 is a schematic diagram of a respiratory rhythm waveform curve for a respiratory rhythm generation device in accordance with some embodiments of a respiratory monitoring device accuracy detection system of the present disclosure;
fig. 8 is a flow diagram of some embodiments of a respiratory monitoring device accuracy detection method according to the present disclosure;
FIG. 9 is a schematic diagram of the operating state of a respiratory rhythm generation device in some embodiments of a respiratory parameter device accuracy detection method according to the present disclosure.
Detailed Description
Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present disclosure are shown in the drawings, it is to be understood that the disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided for a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the disclosure are for illustration purposes only and are not intended to limit the scope of the disclosure.
It should be noted that, for convenience of description, only the portions related to the related invention are shown in the drawings. The embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict.
It should be noted that the terms "first", "second", and the like in the present disclosure are only used for distinguishing different devices, modules or units, and are not used for limiting the order or interdependence relationship of the functions performed by the devices, modules or units.
It is noted that references to "a", "an", and "the" modifications in this disclosure are intended to be illustrative rather than limiting, and that those skilled in the art will recognize that "one or more" may be used unless the context clearly dictates otherwise.
The names of messages or information exchanged between devices in the embodiments of the present disclosure are for illustrative purposes only, and are not intended to limit the scope of the messages or information.
The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In clinical diagnosis, a main flow/bypass type end-tidal carbon dioxide probe is provided in each of an end-tidal carbon dioxide monitoring device and a multi-parameter monitoring device having a function of monitoring partial pressure of carbon dioxide (hereinafter, referred to as a breath monitoring device) to measure the concentration of carbon dioxide in exhaled air at the end of expiration of a human body (peak concentration in an expiration cycle) and the respiratory frequency. The monitoring function is realized mainly based on the non-dispersive infrared spectrum technology. An infrared light sensor is arranged in the end-expiratory carbon dioxide probe, CO2 gas absorbs partial infrared energy when flowing through the probe, a corresponding carbon dioxide waveform curve and a concentration value are obtained after signal processing, the curve is detected and analyzed, and objective evaluation on the respiratory function of a patient can be realized.
As shown in FIG. 1, during respiration, the normal carbon dioxide curve can be divided into an expiratory phase (P-Q-R) and an inspiratory phase (R-S-P). The waveform curve generally rises steeply from an inspiration baseline (zero position) during expiration, the waveform curve keeps horizontal or slightly inclines upwards at a certain moment, and when the expiration curve is close to the horizontal, the platform endpoint value is the end-expiratory carbon dioxide concentration; when inspiration begins, the carbon dioxide wave curve is steeply and rapidly decreased to the base line, and a complete expiration period is completed.
The respiration rhythm generating equipment simulates the respiration change rule of a human body and can be used for detecting the accuracy of end-tidal carbon dioxide monitoring equipment or multi-parameter monitoring equipment with a carbon dioxide monitoring partial pressure monitoring function by matching with carbon dioxide standard gas (balance gas is nitrogen) with different concentrations.
Fig. 2 shows a respiratory rhythm generation device according to an embodiment of the present disclosure. The apparatus comprises: the device comprises a controller 11, an electromagnetic valve and a positive pressure pump 4 which are arranged on the bottom plate of the device, and a standard gas inlet 5 and a modulated gas outlet 6 which are arranged on the side plate of the device.
The electromagnetic valve is used for controlling input and output of gas and simulating the change rule of human respiration, and comprises a first electromagnetic valve 1 used for inputting carbon dioxide standard gas and a second electromagnetic valve 2 used for inputting air. One end of the first electromagnetic valve 1 is connected with a standard gas inlet 5 through a hose, so that when the first electromagnetic valve 1 is opened, carbon dioxide standard gas enters a gas path of equipment; the other end is connected with a modulating gas outlet 6 through a hose so that the carbon dioxide standard gas is discharged through the modulating gas outlet 6. One end of the second electromagnetic valve 2 is connected with the positive pressure pump 4 through a hose, the other end of the second electromagnetic valve is connected with the modulated gas outlet 6 through a hose, and when the second electromagnetic valve 2 is opened, the positive pressure pump 4 applies positive pressure to the second electromagnetic valve 2 and discharges the air through the modulated gas outlet 6. The controller 11 is used for controlling the operation of the equipment, and specifically comprises the setting of breathing parameters, the opening and closing of the electromagnetic valve, the monitoring of parameters in the simulated breathing process and the like, so that the simulation of the breathing change rule is realized, and the controller 11 is electrically connected with the electromagnetic valve and the positive pressure pump 4.
When the respiratory rhythm generating equipment starts to work, the respiratory rhythm generating equipment receives the setting of respiratory parameters, wherein the respiratory parameters can comprise carbon dioxide gas concentration, respiratory rate, inspiratory capacity, expiratory capacity and inspiratory-expiratory ratio; determining the respective input time period, input concentration and the like of the carbon dioxide standard gas and the air according to the breathing parameters; after the determination is finished, the electromagnetic valve 1 is opened, and carbon dioxide standard gas enters the equipment through the hose through the standard gas inlet 5 and is discharged through the modulated gas outlet 6; according to a determined time period, the electromagnetic valve 1 is closed, and the carbon dioxide standard gas is forbidden to enter the gas circuit; the positive pressure pump 4 applies positive pressure to the electromagnetic valve 2, the electromagnetic valve 2 is opened, and air is discharged through the modulated gas outlet 6, so that the generation of breathing rhythm and the simulation of breathing change rule are realized.
The monitoring module of the respiration monitoring equipment mentioned above is connected to the modulated gas outlet 6, the concentration of carbon dioxide in the expiratory gas discharged from the modulated gas outlet 6 is measured by the infrared light sensor of the end-expiratory carbon dioxide probe in the monitoring module, and the concentration of carbon dioxide is compared with the set value of the respiration rhythm generating equipment for calculation, so that the accuracy of the respiration monitoring equipment is detected, and the detection result can be displayed through an external device or a display panel on the equipment.
Optionally, the setting process of the breathing parameter may be set by voice, remote control setting of an external device, and setting of a key panel on the device, which is not limited in this disclosure.
The breathing rhythm generating device disclosed by the embodiment of the disclosure can truly and accurately simulate the breathing change rule of a human body, and is matched with carbon dioxide standard gases with different concentrations to be used for detecting the accuracy of the monitoring module in the functional device with the breathing parameter monitoring function. The end-tidal carbon dioxide monitoring module can detect the main flow type and the side flow type, and meets the requirements of related verification regulations. Meanwhile, the breathing rhythm generation equipment is simple and easy to operate and understand, small in size and convenient to carry and carry out detection work.
As another embodiment of the present disclosure, fig. 3 shows a respiratory rhythm generation device of an embodiment of the present disclosure. On the basis of the embodiment shown in fig. 2, the respiratory rhythm generation apparatus of the present embodiment further includes a third solenoid valve 3 for discharging air. The open and close state of the third electromagnetic valve 3 is opposite to the open and close state of the second electromagnetic valve 2, one end of the third electromagnetic valve 3 is connected with the positive pressure pump 4 through a hose, and when the third electromagnetic valve 3 is opened, the positive pressure pump 4 is used for applying positive air pressure to the third electromagnetic valve 3. It should be noted that, since the positive pressure pump needs to be connected to the second electromagnetic valve 2 and the third electromagnetic valve 3 at the same time, the electromagnetic valve 2, the electromagnetic valve 3, and the positive pressure pump 4 are connected by a hose tee.
Specifically, after the respiratory rhythm generating device is turned on, the positive pressure pump 4 is always in the working state of pumping air. In the process that the equipment simulates the breathing change rule of a human body and generates breathing gas, the carbon dioxide standard gas and the air are sequentially discharged through the modulated gas outlet 6. When the carbon dioxide standard gas is required to be discharged through the modulating gas outlet 6, the second electromagnetic valve 2 is in a closed state, the third electromagnetic valve 3 is required to be opened, and air is discharged through the third electromagnetic valve 3; when needing the air to discharge through modulated gas outlet 6, third solenoid valve 3 is in the closed condition, and the air is discharged promptly when avoiding positive pressure pump to apply the positive pressure to third solenoid valve 3 department, just because the third solenoid valve is in the closed condition, positive pressure pump 4 applies the air positive pressure to second solenoid valve 2 department, second solenoid valve 2 opens, and the air just can discharge out through modulated gas outlet 6.
Alternatively, as shown in fig. 4, the device is externally provided with a display panel 12 and control keys, wherein the control keys comprise an upper key 8, a lower key 9 and a cursor key 10 for setting and adjusting breathing parameters, and the breathing parameters comprise carbon dioxide concentration, breathing rate, inspiration volume, expiration volume and inspiration-to-expiration ratio. The controller 11 is electrically connected to the display panel 12 and the control keys. Optionally, when setting the carbon dioxide gas concentration and the respiration rate parameters, the default respiration rate is stepped to 1RPM and the CO2 concentration is stepped to 0.01%. The display panel has the functions of displaying the breathing parameters and the error information, particularly has the function of indicating a dynamic curve of the breathing frequency and the carbon dioxide standard gas output, and can display the breathing frequency and the change condition of the carbon dioxide standard gas output in the process of simulating the breathing change rule of the body. Meanwhile, after receiving the monitoring data of the carbon dioxide concentration in the expiratory gas discharged from the modulated gas outlet 6 by the respiration monitoring apparatus, the controller 11 may automatically calculate error data of the end-tidal carbon dioxide concentration and the set end-tidal carbon dioxide concentration, and display the error data on the display panel 12.
As some optional embodiments of the present disclosure, as shown in fig. 5, the controller 11 specifically includes a power module, a solenoid valve driving module, a key control module, and a display module. The power supply module is used for realizing the power supply function of the equipment; the electromagnetic valve driving module is electrically connected with the first electromagnetic valve 1, the first electromagnetic valve 2 and the third electromagnetic valve 3 and is used for controlling the opening and closing of the electromagnetic valves; the key module is electrically connected with the control key and is used for setting respiratory parameters and monitoring parameters of external equipment, and the monitoring parameters can be monitoring data of the respiratory monitoring equipment on the concentration and respiratory frequency of carbon dioxide in the expiratory gas discharged from the modulated gas outlet 6; the display module is electrically connected to the display panel 12 for displaying the breathing parameters and the error information.
Further, the controller 11 further includes an air pressure measuring module and a data processing module. The air pressure measuring module is used for measuring the ambient atmospheric pressure; the data processing module is used for calculating and processing the monitoring data, specifically, a standard value of the end-tidal carbon dioxide concentration can be calculated according to the environmental atmospheric pressure, and error data of the end-tidal carbon dioxide concentration and the set end-tidal carbon dioxide concentration can also be calculated.
As some optional embodiments of the present disclosure, as shown in fig. 3, a calibration port 7 is further provided on the side panel of the apparatus for calibrating the apparatus. In the process of actually using the respiratory rhythm generating device, in order to ensure that the respiratory rhythm generating device can simulate the human body respiratory variation rule according to the set respiratory frequency parameters, the device can be subjected to accuracy evaluation, and the reliability of the accuracy detection of the respiratory monitoring device is ensured.
Specifically, an external device can be connected to the calibration port 7, the external device reads a respiratory rhythm waveform curve generated by the respiratory rhythm generating device, the data processing module can calculate respiratory frequency based on the respiratory rhythm waveform curve, compare the control respiratory frequency with the respiratory frequency in the set respiratory parameters, determine the accuracy of the respiratory rhythm generating device according to the comparison result, and perform technical calibration.
Fig. 6 illustrates a respiratory monitoring device accuracy detection system according to an embodiment of the present disclosure. The system comprises: a carbon dioxide standard gas cylinder, the breathing rhythm generating device and the breathing monitoring device of the embodiment.
The air outlet of the carbon dioxide standard gas cylinder is connected with the standard gas inlet 5 of the breathing rhythm generating device through a hose, so that the carbon dioxide standard gas enters the generator through the standard gas inlet 5 in the state that the electromagnetic valve 1 is opened. The monitoring module of the respiration monitoring equipment is connected with the modulated gas outlet 6 of the respiration rhythm generating equipment through a hose, so that the concentration of carbon dioxide in the expiratory gas discharged from the modulated gas outlet 6 is measured through the infrared light sensor of the end-expiratory carbon dioxide probe in the monitoring module, and the subsequent detection on the accuracy of the respiration monitoring equipment is completed.
As some optional embodiments of the present disclosure, the system further comprises a digital oscilloscope, and a signal input end of the digital oscilloscope is connected with the calibration port 7 of the respiratory rhythm generation device. As shown in fig. 7, the digital oscilloscope can display a respiratory rhythm waveform curve of the respiratory rhythm generating device, read the period T of the respiratory rhythm waveform curve through the oscilloscope, calculate a respiratory frequency value, compare the respiratory frequency value with a respiratory frequency value actually set by the respiratory rhythm generating device, determine the accuracy of the respiratory rhythm generating device, and perform technical calibration.
Through the respiratory monitoring equipment accuracy detection system disclosed by the embodiment of the disclosure, the respiratory change rule of a human body can be truly and accurately simulated, and the respiratory monitoring equipment accuracy detection system is matched with carbon dioxide standard gases with different concentrations and used for detecting the accuracy of a monitoring module in the respiratory monitoring equipment. The end-tidal carbon dioxide monitoring module can detect the main flow type and the side flow type, and meets the requirements of related verification regulations. Meanwhile, the system also provides an evaluation function of self calibration of the respiratory rhythm generation device, and the reliability of the accuracy detection of the respiratory monitoring device is ensured.
Fig. 8 illustrates a flow of some embodiments of an accuracy detection method of a respiration monitoring apparatus according to the present disclosure. The method is performed based on the accuracy detection system of the respiration monitoring device provided by the embodiment shown in fig. 6, and comprises the following steps:
s801, acquiring respiratory parameters set on respiratory rhythm generating equipment in the system, wherein the respiratory parameters comprise a first carbon dioxide parameter.
Before step S801 of the method is implemented, the respiratory monitoring apparatus accuracy detection system provided in the embodiment shown in fig. 6 needs to be installed, and respiratory parameters need to be set. In particular, the amount of the solvent to be used,
the method comprises the steps of firstly connecting a gas circuit, connecting a standard gas inlet 5 with a gas outlet of a carbon dioxide standard gas cylinder, and connecting a modulated gas outlet 6 with monitoring modules of a respiration monitoring device in a one-to-one correspondence manner.
And secondly, connecting a power supply of the respiratory rhythm generating equipment, connecting a monitoring module of the respiratory monitoring equipment to a modulated gas outlet 6 of the respiratory rhythm generating equipment, and selecting a corresponding main flow type or bypass flow type connecting accessory according to the type of the monitoring module.
And finally, starting the respiration monitoring equipment, and carrying out thermomechanical treatment on the end-tidal carbon dioxide probe in the monitoring module. Starting the power supply of the respiratory rhythm generating equipment, and setting the end-expiratory carbon dioxide parameter indication value after the screen is lighted. The breathing parameters are set as required by the upper key 8, the lower key 9 and the cursor key 10, and specifically, the breathing parameters may include the first carbon dioxide gas concentration, the breathing rate, the inspiratory volume, the expiratory volume and the inspiratory-expiratory ratio.
After the parameter setting is completed, the breathing parameters set on the breathing rhythm generating device can be obtained.
S802, controlling the respiratory rhythm generation equipment to generate expiratory gas based on the respiratory parameter.
In this step, the respective input time periods, input concentrations, etc. a of the carbon dioxide standard gas and air are determined from the breathing parameters in step S801. As shown in fig. 9, when the rhythm generating device starts to operate, the first solenoid valve 1 is opened, the carbon dioxide standard gas enters the generator through the standard gas inlet 5 via the hose according to the input concentration and is discharged through the modulated gas outlet 6, during which the second solenoid valve 2 is closed, the third solenoid valve 3 needs to be opened, and the air is discharged through the third solenoid valve 3; according to the set time period, the first electromagnetic valve 1 is closed, the carbon dioxide standard gas is forbidden to enter the gas path, the third electromagnetic valve 3 is closed, so that the positive pressure pump can apply positive pressure to the second electromagnetic valve 2, the second electromagnetic valve 2 is opened, and the air passes through the modulated gas outlet 6 according to the input concentration. And alternately discharging the carbon dioxide standard gas and the air according to the process, so as to realize the simulation of the breathing change rule and obtain the expiration gas.
And S803, determining a second carbon dioxide concentration of the expiratory gas through a monitoring module of a respiration monitoring device in the system.
In this step, a second carbon dioxide concentration of the expiratory gas is obtained through detection of an end-expiratory carbon dioxide probe in the monitoring module. Alternatively, a dynamic curve indicating function with the respiration rate and the standard gas output can be provided, and the change of the respiration rate and the carbon dioxide standard gas output in the simulation process can be displayed on a display panel of the respiration rhythm generation device.
S804, comparing the first carbon dioxide concentration with the second carbon dioxide concentration for calculation.
And S805, determining the accuracy of the respiration monitoring equipment based on the comparison result obtained by the comparison calculation.
In this step, the second carbon dioxide parameter read by the monitoring module can be input to the respiratory rhythm generating device through the control key, the controller in the respiratory rhythm generating device compares the first carbon dioxide concentration with the second carbon dioxide concentration for calculation, and the accuracy of the end-tidal carbon dioxide monitoring module in the respiratory monitoring device is monitored according to the comparison result.
Further, as some optional embodiments of the present disclosure, a self-calibration evaluation of the respiratory rhythm generation device may be performed. In particular, the breathing parameter comprises a first breathing frequency, the method further comprising: reading a respiratory rhythm waveform curve generated by the respiratory rhythm generating equipment through a digital oscilloscope in the system; the respiratory rhythm generation device calculates a second respiratory frequency based on the respiratory rhythm waveform curve; comparing the first respiratory rate with the second respiratory rate; and determining the accuracy of the respiratory rhythm generating equipment based on a comparison result obtained by the comparison calculation.
Specifically, the calibration port 7 of the respiratory rhythm generation device is first connected to the digital oscilloscope signal input terminal. And starting a power supply of the respiratory rhythm generating equipment, and setting a first respiratory frequency numerical value through a cursor key after the screen is lightened. As shown in fig. 7, the digital oscilloscope may display the respiratory rhythm waveform curve of the respiratory rhythm generation device. Reading the period T of the waveform curve of the respiratory rhythm through a digital oscilloscope, calculating a second respiratory frequency value, and comparing the second respiratory frequency value with a first respiratory frequency value preset by respiratory rhythm generating equipment, thereby realizing the accuracy evaluation of the respiratory rhythm generation.
The accuracy detection method of the respiration monitoring equipment can truly and accurately simulate the respiration change rule of a human body, and is matched with carbon dioxide standard gases with different concentrations to be used for detecting the accuracy of a monitoring module in the functional equipment with the respiration parameter monitoring function. In addition, in order to ensure that the respiratory rhythm generating equipment can simulate the human body respiratory variation rule according to the set respiratory frequency parameters, the method also provides an equipment accuracy evaluation function, and ensures the reliability of self-calibration detection of the respiratory monitoring equipment.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The functions described herein above may be performed, at least in part, by one or more hardware logic components. For example, without limitation, exemplary types of hardware logic components that may be used include: field Programmable Gate Arrays (FPGAs), Application Specific Integrated Circuits (ASICs), Application Specific Standard Products (ASSPs), systems on a chip (SOCs), Complex Programmable Logic Devices (CPLDs), and the like.
The foregoing description is only exemplary of the preferred embodiments of the disclosure and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the invention in the embodiments of the present disclosure is not limited to the specific combination of the above-mentioned features, but also encompasses other embodiments in which any combination of the above-mentioned features or their equivalents is made without departing from the inventive concept as defined above. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the embodiments of the present disclosure.
Claims (10)
1. A respiratory rhythm generating device, comprising: the controller is provided with an electromagnetic valve and a positive pressure pump which are arranged on the bottom plate of the equipment, and a standard gas inlet and a modulated gas outlet which are arranged on the side panel of the equipment; wherein the content of the first and second substances,
the electromagnetic valve is used for controlling input and output of gas, the electromagnetic valve comprises a first electromagnetic valve used for inputting carbon dioxide standard gas and a second electromagnetic valve used for inputting air, two ends of the first electromagnetic valve are respectively connected with the standard gas inlet and the modulating gas outlet through hoses, and two ends of the second electromagnetic valve are respectively connected with the positive pressure pump and the modulating gas outlet through hoses;
the positive pressure pump is used for applying positive air pressure to the second electromagnetic valve;
the controller is used for controlling the equipment to operate, and is electrically connected with the electromagnetic valve and the positive pressure pump.
2. The apparatus according to claim 1, wherein the solenoid valves further include a third solenoid valve for discharging air, an open-closed state of the third solenoid valve being opposite to an open-closed state of the second solenoid valve, and the positive pressure pump is connected to the third solenoid valve and the second solenoid valve through a hose tee, respectively, and is adapted to apply positive air pressure to the third solenoid valve when the third solenoid valve is open.
3. The device according to claim 1 or 2, wherein a display panel and control keys are provided outside the device, and the controller is electrically connected with the display panel and the control keys.
4. The apparatus of claim 3, wherein the controller comprises a power module, a solenoid valve driving module, a key control module, and a display module; wherein the content of the first and second substances,
the power supply module is used for realizing the power supply function of the equipment;
the electromagnetic valve driving module is electrically connected with the electromagnetic valve and used for controlling the opening and closing of the electromagnetic valve;
the key module is electrically connected with the control key and is used for setting respiratory parameters and monitoring parameters of external equipment;
the display module is electrically connected with the display panel and used for displaying the breathing parameters and the error information.
5. The apparatus of claim 4, wherein the controller further comprises an air pressure measurement module and a data processing module; wherein the content of the first and second substances,
the air pressure measuring module is used for measuring the ambient atmospheric pressure;
the data processing module is used for calculating and processing the monitoring data.
6. The apparatus of claim 1 or 2, wherein the apparatus side panel is further provided with a calibration port for calibrating the apparatus.
7. A respiratory monitoring device accuracy detection system, comprising: a carbon dioxide standard gas cylinder, a respiratory rhythm generation device and a respiratory monitoring device according to any one of claims 1 to 6; wherein the content of the first and second substances,
the air outlet of the carbon dioxide standard gas cylinder is connected with the standard gas inlet of the breathing rhythm generating equipment through a hose;
and the monitoring module of the respiration monitoring equipment is connected with the modulated gas outlet of the respiration rhythm generating equipment through a hose.
8. The system of claim 7, further comprising a digital oscilloscope, a signal input of the digital oscilloscope being connected to the calibration port of the respiratory rhythm generation device.
9. A detection method based on the respiratory monitoring device accuracy monitoring system of claim 7, characterized by comprising the following steps:
acquiring a respiratory parameter set on a respiratory rhythm generating device in the system, wherein the respiratory parameter comprises a first carbon dioxide concentration;
controlling the respiratory rhythm generation device to produce expiratory gas based on the respiratory parameter;
determining, by a monitoring module of a respiratory monitoring device in the system, a second carbon dioxide concentration of the expiratory gas;
comparing the first carbon dioxide concentration with the second carbon dioxide concentration;
and determining the accuracy of the respiration monitoring equipment based on a comparison result obtained by the comparison calculation.
10. The detection method of claim 9, wherein the breathing parameter further comprises a first breathing frequency, the detection method further comprising:
reading a respiratory rhythm waveform curve generated by the respiratory rhythm generating equipment through a digital oscilloscope in the system;
the respiratory rhythm generation device calculates a second respiratory frequency based on the respiratory rhythm waveform curve;
comparing the first respiratory rate with the second respiratory rate;
and determining the accuracy of the respiratory rhythm generating equipment based on a comparison result obtained by the comparison calculation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010569010.2A CN111595609A (en) | 2020-06-19 | 2020-06-19 | Respiratory rhythm generating device, detection system with same and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010569010.2A CN111595609A (en) | 2020-06-19 | 2020-06-19 | Respiratory rhythm generating device, detection system with same and detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111595609A true CN111595609A (en) | 2020-08-28 |
Family
ID=72190199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010569010.2A Pending CN111595609A (en) | 2020-06-19 | 2020-06-19 | Respiratory rhythm generating device, detection system with same and detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111595609A (en) |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202468224U (en) * | 2012-03-19 | 2012-10-03 | 四川科伦药业股份有限公司 | Energy-saving vacuum pump system |
| CN103389679A (en) * | 2013-08-06 | 2013-11-13 | 中冶北方（大连）工程技术有限公司 | Press filter control system based on industrial field communication technology |
| CN203345292U (en) * | 2013-07-10 | 2013-12-18 | 常州世展自动化设备有限公司 | Rotating degassing system |
| CN104977390A (en) * | 2015-07-08 | 2015-10-14 | 天津大学 | Real human body breathing simulation device and method |
| CN104990260A (en) * | 2015-07-22 | 2015-10-21 | 合肥美的暖通设备有限公司 | Water inlet system of air energy water heater and air energy water heater with water inlet system |
| CN105334299A (en) * | 2015-12-15 | 2016-02-17 | 北京雪迪龙科技股份有限公司 | Standard gas generation system and method for dynamically monitoring standard gas |
| CN105444486A (en) * | 2015-12-31 | 2016-03-30 | 广西路桥工程集团有限公司 | Multi-way valve circulation system for cooling system |
| CN206130539U (en) * | 2016-10-25 | 2017-04-26 | 苏州曼德克光电有限公司 | Gas supply system fan protection device |
| CN107774045A (en) * | 2016-08-24 | 2018-03-09 | 沈阳铝镁设计研究院有限公司 | A kind of adding method and device of fine filtration of sodium aluminate solution filter aid |
| CN107894482A (en) * | 2017-12-15 | 2018-04-10 | 合肥金星机电科技发展有限公司 | The sample gas gas handling system of online gas chromatographic detection |
| CN208106725U (en) * | 2018-04-10 | 2018-11-16 | 广东肯富来泵业股份有限公司 | Pump inlet pressure regulating device |
| CN209499730U (en) * | 2018-10-24 | 2019-10-18 | 浙江大学 | Partial pressure of carbon dioxide in endexpiratory gas measuring device and system |
| CN209690255U (en) * | 2018-11-28 | 2019-11-26 | 中山德著智能科技有限公司 | A kind of Multiple Source Sensor calibration platform |
| CN110716008A (en) * | 2018-07-12 | 2020-01-21 | 四川赛恩思仪器有限公司 | Gas circuit structure for gas detector |
| CN110763810A (en) * | 2019-12-10 | 2020-02-07 | 无锡市尚沃医疗电子股份有限公司 | Quality inspection system of breath analyzer |
| CN110927346A (en) * | 2019-12-24 | 2020-03-27 | 中国航空工业集团公司西安飞机设计研究所 | Gas concentration test system calibration method and device |
| US20200168125A1 (en) * | 2018-11-27 | 2020-05-28 | Michael Bernard Arthur Sheedy | Expiratory breathing simulator device and method |
| CN111248864A (en) * | 2020-01-20 | 2020-06-09 | 康泰医学系统（秦皇岛）股份有限公司 | Display interface of detection equipment and display method of display interface |
-
2020
- 2020-06-19 CN CN202010569010.2A patent/CN111595609A/en active Pending
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202468224U (en) * | 2012-03-19 | 2012-10-03 | 四川科伦药业股份有限公司 | Energy-saving vacuum pump system |
| CN203345292U (en) * | 2013-07-10 | 2013-12-18 | 常州世展自动化设备有限公司 | Rotating degassing system |
| CN103389679A (en) * | 2013-08-06 | 2013-11-13 | 中冶北方（大连）工程技术有限公司 | Press filter control system based on industrial field communication technology |
| CN104977390A (en) * | 2015-07-08 | 2015-10-14 | 天津大学 | Real human body breathing simulation device and method |
| CN104990260A (en) * | 2015-07-22 | 2015-10-21 | 合肥美的暖通设备有限公司 | Water inlet system of air energy water heater and air energy water heater with water inlet system |
| CN105334299A (en) * | 2015-12-15 | 2016-02-17 | 北京雪迪龙科技股份有限公司 | Standard gas generation system and method for dynamically monitoring standard gas |
| CN105444486A (en) * | 2015-12-31 | 2016-03-30 | 广西路桥工程集团有限公司 | Multi-way valve circulation system for cooling system |
| CN107774045A (en) * | 2016-08-24 | 2018-03-09 | 沈阳铝镁设计研究院有限公司 | A kind of adding method and device of fine filtration of sodium aluminate solution filter aid |
| CN206130539U (en) * | 2016-10-25 | 2017-04-26 | 苏州曼德克光电有限公司 | Gas supply system fan protection device |
| CN107894482A (en) * | 2017-12-15 | 2018-04-10 | 合肥金星机电科技发展有限公司 | The sample gas gas handling system of online gas chromatographic detection |
| CN208106725U (en) * | 2018-04-10 | 2018-11-16 | 广东肯富来泵业股份有限公司 | Pump inlet pressure regulating device |
| CN110716008A (en) * | 2018-07-12 | 2020-01-21 | 四川赛恩思仪器有限公司 | Gas circuit structure for gas detector |
| CN209499730U (en) * | 2018-10-24 | 2019-10-18 | 浙江大学 | Partial pressure of carbon dioxide in endexpiratory gas measuring device and system |
| US20200168125A1 (en) * | 2018-11-27 | 2020-05-28 | Michael Bernard Arthur Sheedy | Expiratory breathing simulator device and method |
| CN209690255U (en) * | 2018-11-28 | 2019-11-26 | 中山德著智能科技有限公司 | A kind of Multiple Source Sensor calibration platform |
| CN110763810A (en) * | 2019-12-10 | 2020-02-07 | 无锡市尚沃医疗电子股份有限公司 | Quality inspection system of breath analyzer |
| CN110927346A (en) * | 2019-12-24 | 2020-03-27 | 中国航空工业集团公司西安飞机设计研究所 | Gas concentration test system calibration method and device |
| CN111248864A (en) * | 2020-01-20 | 2020-06-09 | 康泰医学系统（秦皇岛）股份有限公司 | Display interface of detection equipment and display method of display interface |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5303712A (en) | Calibration method for single-breath carbon monoxide lung diffusing capacity test system | |
| US8459261B2 (en) | Side-stream respiratory gas monitoring system and method | |
| US9943249B2 (en) | Respiratory gas monitor testing system and methods of use | |
| US7231811B2 (en) | Adaptive leak testing method | |
| CN110441241A (en) | A kind of device for evaluating performance and method of optoacoustic spectroscopy Multi-Component Gas Analyzing instrument | |
| CN203561610U (en) | Self-calibrated expiration nitrogen monoxide analyzer | |
| US9265444B2 (en) | Combination of inert gas rebreathing and multiple-breath wash-out techniques for determination of indices of ventilation inhomogeneity | |
| US8352206B2 (en) | Method for the signal linearization of a gas sensor output signal | |
| US11033202B2 (en) | Method to determine indices of ventilation inhomogeneity e.g. lung clearance index (LCI) of a paediatric test subject | |
| US11963757B2 (en) | Side-stream respiratory gas monitoring system | |
| CN202661459U (en) | Standard gasoline vehicle instantaneous condition discharge detection device capable of simulating discharge of tail gas | |
| CN103487489B (en) | Self-calibration exhaled nitric oxide analyzer | |
| CN104713989A (en) | Mixing chamber technology-based gas metabolism detection apparatus and method thereof | |
| CN110763810A (en) | Quality inspection system of breath analyzer | |
| CN111595609A (en) | Respiratory rhythm generating device, detection system with same and detection method | |
| US6553818B1 (en) | Exhaust flow calibration apparatus and method | |
| US20100312134A1 (en) | Apparatus for Evaluation of a Device for Measuring Lung Diffusion Capacity | |
| CN211478225U (en) | Quality inspection device of breath analyzer | |
| US20090118893A1 (en) | Method of integrated detection for automobile instruments | |
| WO2004059317A1 (en) | System for testing performance of medical gas or vapor analysis apparatus | |
| CN112782410A (en) | Dynamic calibration method and detector for quick-discharging type wine detector | |
| JPH01244736A (en) | Lung function tester | |
| US20140296729A1 (en) | Gas monitoring apparatuses, methods and devices | |
| US5676131A (en) | System for protecting sample line in respiratory gas analyzer | |
| US20160128609A1 (en) | Combination of inert gas rebreathing and multiple-breath wash-out techniques for determination of indices of ventilation inhomogeneity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200828 |
|
| RJ01 | Rejection of invention patent application after publication |