A household exhaled breath detector and its use method

Abstract

The present invention discloses a household exhaled breath detector, including a nitric oxide detection module, an inhalation / exhalation tube, a transmission module, a client terminal, a server and a power management module; the nitric oxide detection module includes a main control board and a detection board, the inhalation / exhalation tube is connected to the main control board, the main control board detects gas pressure, pump valve management and signal processing, the detection board detects nitric oxide data in the exhaled breath and sends it to the main control board through analog-to-digital conversion, the main control board is connected to the client terminal through the transmission module, the client terminal is connected to the server for communication, and the power management module supplies power to the main control board and the detection board. The present invention also proposes a method for using a household exhaled breath detector. The present invention can measure exhaled nitric oxide data and lung function data and simultaneously display them on the local device and / or mobile client for patients to view, the mobile terminal synchronously uploads user-related data to the cloud for doctors to view, and the cloud archives and analyzes each test data.

Description

Technical Field

[0001] The present invention relates to the technical field of exhaled breath detection, and in particular to a household exhaled breath detector and a use method thereof. Background Art

[0002] By detecting the concentration of certain components in exhaled gas, doctors can be assisted in diagnosing the patient's disease, monitoring the disease status and observing the treatment effect. For example, the detection of exhaled nitric oxide concentration has been used as a key indicator for asthma diagnosis and medication guidance in clinical practice. Currently, the products on the market include exhaled nitric oxide analyzers, such as Circassia's NIOX VERO and Hefei Weigu Medical Technology Co., Ltd.'s HFWG-F012, which are used in medical institutions by dedicated personnel to guide and assist the subjects, complete the test and issue a report.

[0003] However, these devices are difficult to operate and are currently only suitable for medical settings. They are not suitable for home use. In particular, it is difficult to obtain real-time physiological data of patients in daily unrestrained situations. Monitoring data relies on manual recording and does not have the ability to establish a healthy intelligent management system for diseases.

[0004] Based on this, there is an urgent need for a home exhaled breath detector and its use method, which can detect the patient's daily lung function and exhaled nitric oxide concentration data in real time, combine detection, unlimited transmission and cloud processing technologies to build a bridge for communication between doctors and patients, facilitate patients to use it at home and realize smart medical care.

[0005] The above contents are only used to assist in understanding the technical solution of the present invention and do not constitute an admission that the above contents are prior art. Summary of the invention

[0006] The main purpose of the present invention is to provide a household exhaled breath detector and a method of using the same, which combines detection, unlimited transmission, and cloud processing technologies to build a bridge for communication between doctors and patients, facilitate patients' use at home, and realize smart medical care by detecting the patient's daily lung function and exhaled nitric oxide concentration data in real time.

[0007] To achieve the above-mentioned purpose, the present invention provides a household exhaled breath detector, including a nitric oxide detection module, an inhalation / exhalation tube, a transmission module, a client terminal, a server and a power management module; the nitric oxide detection module includes a main control board and a detection board, the inhalation / exhalation tube is connected to the main control board, the main control board is used to detect gas pressure, pump valve management and signal processing, the detection board is used to detect nitric oxide data in the exhaled breath and send it to the main control board through analog-to-digital conversion, the main control board is connected to the client terminal through the transmission module, the client terminal is connected to the server for communication, and the power management module is used to power the main control board and the detection board.

[0008] Preferably, it also includes a pulmonary function detection module, which includes a venturi exhalation tube and a pulmonary function board. The pulmonary function board is connected to the venturi exhalation tube to detect pulmonary function data and send it to the main control board through analog-to-digital conversion. The power management module is used to power the pulmonary function board.

[0009] Preferably, the pulmonary function board includes at least one pressure sensor, the model of the pressure sensor is HSCDLND001PGAA5, the pulmonary function board is connected to the main control board via a USB interface, the front end of the venturi exhalation tube is connected to the exhalation mouthpiece, and the patient exhales through the exhalation mouthpiece; a small hole is provided at the throat of the venturi exhalation tube, which is connected to the pressure sensor with model HSCDLND001PGAA5.

[0010] Preferably, the lung function data at least includes peak expiratory flow PEF, forced expiratory volume in one second FEV1 and total expiratory volume FVC.

[0011] Preferably, the main control board includes at least a pressure sensor, a pump and valve management module and a single-chip microcomputer, and the detection board includes at least one gas sensor.

[0012] Preferably, the single chip microcomputer model is STM32F407ZET6, the pressure sensor model is SSCDLNN005PGAA5, and the gas sensor is an electrochemical NO sensor.

[0013] Preferably, the pump-valve management module includes a pump, a solenoid valve, a one-way valve, a stop valve, a flow regulator, an inhalation / exhalation port and a buffer air cavity. The front end of the inhalation / exhalation port is used to receive the patient's inhalation / exhalation, and the rear end is connected to the solenoid valve, the flow regulator, the buffer air cavity, the pump and the gas sensor in sequence according to the ventilation direction; the stop valve is arranged between the buffer air cavity and the pump and is used to stop and close when stopping collecting gas. The solenoid valve is connected to the indoor air through the one-way valve. The pressure sensor is connected to the solenoid valve, and when the gas pressure is detected, the solenoid valve is turned on; the gas sensor monitors the nitric oxide data and transmits the data to the single-chip microcomputer through analog-to-digital conversion.

[0014] Preferably, it also includes a humidity balancer and a filter. The filter is arranged at the front end of the one-way valve to filter out NO in the air. The humidity balancer is arranged between the gas sensor and the pump to pre-process the humidity in the collected gas.

[0015] In addition, to achieve the above-mentioned purpose, the present invention also proposes a method for using a household exhaled breath detector, which includes: starting work, S1: turning on the device and initializing it, S2: the device establishes a communication connection with the APP, S3: judging whether the connection is successful, S31: if unsuccessful, returning to S1, S32: if successful, entering S4: mode selection, S41: selecting lung function, and exhaling forcefully according to the requirements of lung function, S42: selecting nitric oxide, and exhaling according to the requirements of the test item, S5: the device collects exhaled data, S6: the device processes the exhaled data, S7: confirming the data, S71: returning to the processing interface if the data is unqualified, S72: sending the data to the APP after the data processing is completed, S8: judging whether to shut down, S81: if not shut down, returning to 4, S82: if shut down, the current use ends.

[0016] Preferably, it also includes a method for using the APP, which includes: starting work, A1: turning on the power of the device and starting the mobile phone APP, A2: the APP sends a communication signal to the device to determine whether the device responds, A21: if there is no response, restart the device and / or APP, A22: if there is a response, the device works normally, A3: after the device completes the test, it sends test data to the APP to determine whether the APP receives it successfully, A31: if unsuccessful, feedback is given to the device and the device resends, A32: if successful, the APP processes the data, A4: the processed results are displayed on the APP side, A5: upload to the cloud at the same time, A6: after completing the above work, determine whether to receive the next data transmission, A61: if so, repeat A3-A6, A62: if data transmission is stopped, the results on the cloud are downloaded in real time, A7: view historical data and doctor's advice from the mobile phone APP, A8: end.

[0017] The device of the present invention can measure the exhaled nitric oxide data and lung function data and display them on the local device or mobile client for patients to view. The mobile client will synchronously upload the user's relevant data to the cloud for doctors to view. The cloud archives and analyzes each test data. In addition, doctors can remotely log in to the cloud to diagnose patients; patients can view historical data and the disease analysis report and treatment suggestions pushed by doctors on the mobile phone. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a functional structure diagram of a household exhaled breath detector in an embodiment;

[0019] Figure 2 Schematic diagram of the detection function structure of the nitric oxide detection module in the embodiment;

[0020] Figure 3 is a flow chart of a method for using a household exhaled breath detector in an embodiment;

[0021] Figure 4 It is a flowchart of the method of using the APP of the household exhaled breath detector in the embodiment.

[0022] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0023] It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

[0024] Example 1

[0025] See also Figure 1-2 :This embodiment provides a household exhaled breath detector, including a nitric oxide detection module, an inhalation / exhalation tube, a transmission module, a client terminal, a server and a power management module; the nitric oxide detection module includes a main control board and a detection board, the inhalation / exhalation tube is connected to the main control board, the main control board is used to detect gas pressure, pump valve management and signal processing, the detection board is used to detect nitric oxide data in the exhaled breath and send it to the main control board through analog-to-digital conversion, the main control board is connected to the client terminal through the transmission module, the client terminal is connected to the server for communication, and the power management module is used to power the main control board and the detection board.

[0026] It should be noted that the present embodiment can monitor the exhaled nitric oxide data and display it locally on the device or on the mobile client for the patient to view. The mobile client will synchronously upload the user's relevant data to the server cloud for the doctor to view. The cloud archives and analyzes each test data. In addition, the doctor can remotely log in to the cloud to diagnose the patient; the patient can view the historical data and the condition analysis report and treatment suggestions pushed by the doctor on the mobile terminal.

[0027] In a specific example, it also includes a pulmonary function detection module, which includes a venturi exhalation tube and a pulmonary function board. The pulmonary function board is connected to the venturi exhalation tube to detect pulmonary function data and send it to the main control board through analog-to-digital conversion. The power management module is used to power the pulmonary function board.

[0028] This embodiment can also monitor lung function data and display it locally on the device or on the mobile client for patients to view. The mobile client will synchronously upload the user's relevant data to the server cloud for doctors to view. The cloud will archive and analyze each test data. In addition, doctors can remotely log in to the cloud to diagnose patients; patients can view historical data and the disease analysis report and treatment recommendations pushed by doctors on the mobile terminal.

[0029] Specifically, the pulmonary function board includes at least one pressure sensor, the model of the pressure sensor is HSCDLND001PGAA5, the pulmonary function board is connected to the main control board via a USB interface, the front end of the venturi exhalation tube is connected to the exhalation mouthpiece, and the patient exhales through the exhalation mouthpiece; a small hole is provided at the throat of the venturi exhalation tube, which is connected to the pressure sensor with model HSCDLND001PGAA5.

[0030] Specifically, the lung function data at least includes peak expiratory flow PEF, forced expiratory volume in one second FEV1 and total expiratory volume FVC.

[0031] Furthermore, the main control board includes at least a pressure sensor, a pump valve management module and a single-chip microcomputer, and the detection board includes at least one gas sensor. The single-chip microcomputer model is STM32F407ZET6, the pressure sensor model is SSCDLNN005PGAA5, and the gas sensor is an electrochemical NO sensor.

[0032] In a specific example, see Figure 2 : The pump-valve management module includes a pump, a solenoid valve, a one-way valve, a stop valve, a flow regulator, an inhalation / exhalation port and a buffer air cavity. The front end of the inhalation / exhalation port is used to receive the patient's inhalation / exhalation, and the rear end is connected to the solenoid valve, the flow regulator, the buffer air cavity, the pump and the gas sensor in sequence according to the ventilation direction; the stop valve is arranged between the buffer air cavity and the pump and is used to stop and close when stopping collecting gas. The solenoid valve is connected to the indoor air through the one-way valve. The pressure sensor is connected to the solenoid valve. When the gas pressure is detected, the solenoid valve is turned on; the gas sensor monitors the nitric oxide data and transmits the data to the single-chip microcomputer through analog-to-digital conversion.

[0033] Preferably, it also includes a humidity balancer and a filter. The filter is arranged at the front end of the one-way valve to filter out NO in the air. The humidity balancer is arranged between the gas sensor and the pump to pre-process the humidity in the collected gas.

[0034] It should be noted that, through the inhalation / exhalation port, the patient inhales NO-free air from the filter and exhales it at a preset flow rate and pressure, and the flow rate and pressure are monitored by a flow regulator and a pressure sensor with model number SSCDLNN005PGAA5 respectively; a buffer air cavity is used to buffer the exhaled air; a pump is provided between the buffer air cavity and the gas sensor, and is used to draw the gas in the buffer air cavity into the gas sensor, and the gas is pre-treated with a humidity balancer before entering the gas sensor; a solenoid valve is provided at the rear end of the inhalation / exhalation port, and is opened to allow air to pass when the pressure sensor with model number SSCDLNN005PGAA5 detects pressure, and is closed when there is no pressure.

[0035] Example 2

[0036] In addition, to achieve the above purpose, see Figure 3 :This embodiment also proposes a method for using a household exhaled breath detector, which includes: starting work, S1: turning on the device and initializing it, S2: the device establishes a communication connection with the APP, S3: judging whether the connection is successful, S31: if unsuccessful, returning to S1, S32: if successful, entering S4: mode selection, S41: selecting lung function, and exhaling forcefully according to the requirements of lung function, S42: selecting nitric oxide, and exhaling according to the requirements of the test item, S5: the device collects exhaled data, S6: the device processes the exhaled data, S7: confirming the data, S71: returning to the processing interface if the data is unqualified, S72: sending the data to the APP after the data processing is completed, S8: judging whether to shut down, S81: if not shut down, returning to 4, S82: if shut down, the current use ends.

[0037] Preferably, see Figure 4 : Also includes a method for using the APP, the method includes: starting work, A1: turning on the power of the device and starting the mobile phone APP, A2: the APP sends a communication signal to the device to determine whether the device responds, A21: if there is no response, restart the device and / or APP, A22: if there is a response, the device works normally, A3: after the device completes the test, it sends test data to the APP to determine whether the APP receives it successfully, A31: if unsuccessful, feedback to the device, and the device resends, A32: if successful, the APP processes the data, A4: the processed results are displayed on the APP side, A5: upload to the cloud at the same time, A6: after completing the above work, determine whether to receive the next data transmission, A61: if so, repeat A3-A6, A62: if the data transmission is stopped, the results on the cloud are downloaded in real time, A7: view historical data and doctor's advice from the mobile phone APP, A8: end.

[0038] It should be noted that the software part of this embodiment includes three parts: local software system, mobile client host computer software and cloud management platform software. The local software system includes: embedded software of the main control of the nitric oxide detection module and embedded software of the lung function detection module.

[0039] It should be noted that, in this article, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or system including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or system. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or system including the element.

[0040] The serial numbers of the above embodiments of the present invention are only for description and do not represent the advantages or disadvantages of the embodiments.

[0041] Through the description of the above implementation methods, those skilled in the art can clearly understand that the above-mentioned embodiment methods can be implemented by means of software plus a necessary general hardware platform, and of course can also be implemented by hardware, but in many cases the former is a better implementation method. Based on such an understanding, the technical solution of the present invention, or the part that contributes to the prior art, can be embodied in the form of a software product, which is stored in a storage medium (such as a read-only memory / random access memory, a magnetic disk, or an optical disk), and includes a number of instructions for a terminal device (which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to execute the methods described in each embodiment of the present invention.

[0042] The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A household exhaled breath detector, characterized in that: It includes a nitric oxide detection module, an inhalation / exhalation tube, a transmission module, a client terminal, a server and a power management module; the nitric oxide detection module includes a main control board and a detection board, the inhalation / exhalation tube is connected to the main control board, the main control board is used to detect gas pressure, pump valve management and signal processing, the detection board is used to detect nitric oxide data in exhaled gas and send it to the main control board through analog-to-digital conversion, the main control board is connected to the client terminal through the transmission module, the client terminal is connected to the server for communication, the power management module is used to power the main control board and the detection board, the main control board includes at least a pressure sensor, a pump valve management module and a single-chip microcomputer, the detection board includes at least one gas sensor, the single-chip microcomputer model is STM32F407ZET6, the pressure sensor model is SSCDLNN005PGAA5, the gas sensor is an electrochemical The pump valve management module comprises a pump, a solenoid valve, a one-way valve, a stop valve, a flow regulator, an inhalation / exhalation port and a buffer air cavity. The front end of the inhalation / exhalation port is used to receive the patient's inhalation / exhalation, and the rear end is connected to the solenoid valve, the flow regulator, the buffer air cavity, the pump and the gas sensor in sequence according to the ventilation direction; the stop valve is arranged between the buffer air cavity and the pump to be shut off when the gas collection stops, the solenoid valve is connected to the indoor air through the one-way valve, the pressure sensor is connected to the solenoid valve, and the solenoid valve is turned on when the gas pressure is detected; the gas sensor monitors the nitric oxide data and transmits the data to the single-chip microcomputer through analog-to-digital conversion, and also comprises a humidity balancer and a filter. The filter is arranged at the front end of the one-way valve to filter out NO in the air, and the humidity balancer is arranged between the gas sensor and the pump to pre-process the humidity in the collected gas.

2. The household exhaled breath detector according to claim 1, characterized in that: It also includes a pulmonary function detection module, which includes a venturi exhalation tube and a pulmonary function board. The pulmonary function board is connected to the venturi exhalation tube to detect pulmonary function data and send it to the main control board through analog-to-digital conversion. The power management module is used to power the pulmonary function board.

3. The household exhaled breath detector according to claim 2, characterized in that: The pulmonary function board includes at least one pressure sensor, the model of the pressure sensor is HSCDLND001PGAA5, the pulmonary function board is connected to the main control board via a USB interface, the front end of the venturi exhalation tube is connected to the exhalation mouthpiece, and the patient exhales through the exhalation mouthpiece; a small hole is provided at the throat of the venturi exhalation tube, which is connected to the pressure sensor with model HSCDLND001PGAA5.

4. The household exhaled breath detector according to claim 2, characterized in that: The lung function data at least include peak expiratory flow PEF, forced expiratory volume in one second FEV1 and total expiratory volume FVC.

5. A method for using a household exhaled breath detector, characterized in that: The method includes: starting work, S1: turning on the device and initializing it, S2: the device establishing a communication connection with the APP, S3: judging whether the connection is successful, S31: if unsuccessful, returning to S1, S32: if successful, entering S4: mode selection, S41: selecting lung function, and exhaling forcefully according to the lung function requirements, S42: selecting nitric oxide, and exhaling according to the requirements of the test item, S5: the device collects exhalation data, S6: the device processes the exhalation data, S7: confirming the data, S71: returning to the processing interface if the data is unqualified, S72: sending the data to the APP after the data processing is completed, S8: judging whether to shut down, S81: if not shut down, returning to 4, S82: if shut down, the current use ends.

6. The method for using the household exhaled breath detector according to claim 5, characterized in that: It also includes a method for using the APP, which includes: starting work, A1: turning on the power of the device and starting the mobile phone APP, A2: the APP sends a communication signal to the device to determine whether the device responds, A21: if there is no response, restart the device and / or APP, A22: if there is a response, the device works normally, A3: after the device completes the test, it sends test data to the APP to determine whether the APP receives it successfully, A31: if unsuccessful, feedback is given to the device, and the device resends, A32: if successful, the APP processes the data, A4: the processed results are displayed on the APP side, A5: upload to the cloud at the same time, A6: after completing the above work, determine whether to receive the next data transmission, A61: if so, repeat A3-A6, A62: if data transmission is stopped, the results on the cloud are downloaded in real time, A7: view historical data and doctor's advice from the mobile phone APP, A8: end.

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