Clinical breathing machine for department of pediatrics and use method of clinical breathing machine
By designing a pediatric clinical ventilator with intelligent control system, the problem that traditional ventilators can only be used by a single patient is solved, and the respiratory support and personalized treatment plans are provided to multiple patients in emergencies, improving rescue Success rate and treatment effect.
Patent Information
- Application Number
- CN202411587918.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-08
- Publication Date
- 2025-01-07
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Traditional ventilators are usually only available for a single patient and cannot support multiple patients in an emergency, limiting the efficiency of the equipment and emergency response capabilities.
A ventilator for pediatric clinical use is designed. The first motor drives the eccentric disc to rotate, push the connecting block to slide, drive the sleeve to slide and the adjustment plate to rotate, and the jaws pinch the wettable bottle to allow gas to be delivered to the patient through the trachea. , equipped with intelligent control system, including PID control, adaptive control and data management modules, to realize simultaneous respiratory support and personalized treatment plans for multiple patients.
In an emergency, it can quickly provide respiratory support to multiple patients, improve rescue success rate, provide accurate breathing parameter adjustment through intelligent control systems, reduce manual adjustment frequency, improve treatment effect, and ensure system reliability through real-time monitoring and alarm mechanisms .
Smart Images

Figure CN119258342A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of medical devices, in particular to a ventilator for pediatric clinical use and a method for using the ventilator. Background Art
[0002] A ventilator is a medical device used to provide mechanical ventilation support. It is widely used in intensive care and emergency treatment of newborns, infants and children. The respiratory system of pediatric patients is not yet fully developed, and the requirements for respiratory support equipment are more stringent, including high sensitivity, low airflow resistance and precise parameter control.
[0003] Traditional ventilators can usually only be used by a single patient and cannot provide support for multiple patients at the same time in an emergency, which limits the efficiency of the equipment and its emergency response capabilities. Summary of the invention
[0004] In view of the deficiencies in the prior art, the present invention provides a ventilator for pediatric clinical use and a method for using the same, which solves the problem that traditional ventilators can usually only be used for a single patient.
[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: A ventilator for pediatric clinical use, comprising a bracket, the upper surface of the bracket is fixedly connected to a support plate, the upper surface of the support plate is fixedly connected to a connecting plate, the lower surface of the connecting plate is fixedly connected to a support plate, the upper surface of the connecting plate is evenly fixedly connected to a plurality of fixed blocks, the interior of the fixed block is fixedly connected to a fixed shaft, the four sides of the connecting plate are fixedly connected to the connecting shaft, the upper outer wall of the connecting shaft is fixedly connected to the support plate, the upper surface of the support plate is fixedly connected to a first motor, the output end of the first motor is fixedly connected to an eccentric disc, the outer wall of the fixed shaft is slidably connected to a sleeve, the outer wall of the sleeve is fixedly connected to a connecting block, the upper and lower outer walls of the connecting block are rotatably connected to an adjustment plate, the lower surface of the adjustment plate is rotatably connected to a clamping claw, the middle outer wall of the connecting shaft is fixedly connected to a bearing, the inner wall of the clamping claw is fixedly connected to the outer wall of the bearing, and a humidification component is arranged inside the support plate, and the humidification component is used to add moisture to the gas to be delivered to the patient.
[0006] Preferably, the humidification component comprises a humidification bottle, the outer wall of the humidification bottle is arranged inside the support plate, the outer wall of the humidification bottle is arranged on the outer wall of the clamp, and the interior of the humidification bottle is fixedly connected with an air tube.
[0007] Preferably, the outer wall of the connecting block is arranged on the outer wall of the eccentric disc.
[0008] Preferably, a second motor is fixedly connected to the lower outer wall of the bracket, a first transmission wheel is fixedly connected to the output end of the second motor, and a transmission belt is provided on the outer wall of the first transmission wheel.
[0009] Preferably, a first fixing plate is fixedly connected to a middle outer wall of the bracket, and a second transmission wheel is rotatably connected to an outer wall of the first fixing plate.
[0010] Preferably, the inner wall of the transmission belt is arranged on the outer wall of the second transmission wheel, the outer wall of the transmission belt is fixedly connected to a second fixing plate, and the interior of the second fixing plate is fixedly connected to a lifting column.
[0011] Preferably, a touch screen is fixedly connected to the top of the lifting column, a lifting plate is fixedly connected to the outer wall of the touch screen, a slider is fixedly connected to the outer wall of the lifting plate, and the outer wall of the slider is slidably connected to the inner wall of the bracket.
[0012] Preferably, a tank body is fixedly connected to the lower right outer wall of the bracket, and a universal wheel is fixedly connected to the lower surface of the bracket.
[0013] Preferably, a ventilator control system for pediatric clinical use comprises an operating system module, a control algorithm module, a data management module, and a user interface software module;
[0014] The operating system module selects FreeRTOS, RTEMS or ChibiOS, and uses a priority scheduling strategy to enable high-priority tasks to respond in a timely manner. The high-priority tasks include real-time sensor data processing and an alarm system, and a memory protection mechanism is used to prevent mutual interference between tasks;
[0015] The control algorithm module includes a PID control layer, an adaptive control layer, and a closed-loop control layer;
[0016] The PID control layer includes proportional control: real-time calculation of the deviation between the current airway pressure and the set value, and output of a control signal proportional to the deviation, integral control: accumulation of the deviation value, elimination of the steady-state error of the system, and differential control: prediction of the change trend of the deviation, and adjustment in advance;
[0017] The PID controller is written as an independent module, which receives real-time sensor data input and outputs control signals to the valve control unit;
[0018] The adaptive control layer uses a machine learning algorithm to analyze the patient's historical respiratory data, predict future needs, and automatically adjust control parameters. The machine learning algorithm includes an adaptive neural network, and dynamically adjusts control parameters to optimize respiratory support effects based on real-time sensor data. The adaptive control algorithm is integrated into the main controller software and works in conjunction with the PID controller;
[0019] The closed-loop control layer includes real-time monitoring of respiratory parameters, comparison with set values, adjustment of output signals, and cross-validation through multiple sensors, wherein the respiratory parameters include pressure and flow;
[0020] The feedback mechanism is written as an independent module, which is tightly integrated with the sensor data processing module and the control module;
[0021] The data management module includes a data recording layer, a data storage layer, and a data transmission layer;
[0022] The data recording layer uses a database or file system to record the respiratory data and device status at each time point, and uses a data compression algorithm to reduce storage space requirements, integrates the data recording function into the main controller software, periodically records data, and cleans or compresses data when storage space is insufficient. The database includes SQLite;
[0023] The data storage layer stores data in device memory or external storage media, regularly backs up data to a cloud server through an encrypted communication protocol, integrates data storage and backup functions into the data management module, and performs data synchronization regularly;
[0024] The data transmission layer uses Wi-Fi or Bluetooth modules to transmit data to hospital information systems or mobile devices, encrypts data using AES or RSA algorithms, integrates data transmission functions into communication modules, and provides API interfaces for other modules to call;
[0025] The user interface software module includes a graphical interface layer and a user operation logic layer;
[0026] The graphical interface layer uses a graphics library to display respiratory parameters, historical data and alarm information in real time, and provides quick parameter setting and mode switching functions, integrating the graphical interface software with the touch screen driver, and the graphics library includes LVGL and Qt;
[0027] The user operation logic layer quickly switches between different breathing support modes through simple clicks or sliding operations, provides knob or slider controls to facilitate precise adjustment of breathing parameters, and tightly integrates user operation logic with the graphical interface. The breathing parameters include pressure, flow and oxygen concentration.
[0028] Preferably, a method for using a ventilator for pediatric clinical use comprises the following specific steps:
[0029] S1: When the ventilator needs to be used, first turn on the second motor. When the second motor starts running, it will drive the first transmission wheel at its output end to rotate. When the first transmission wheel is driven by the second motor to rotate, it will drive the transmission belt of its outer wall to rotate. When the transmission belt is driven by the first transmission wheel to rotate, its upper inner wall will rotate on the outer wall of the second transmission wheel. When the transmission belt rotates, it will drive the second fixed plate to rise and fall. When the second fixed plate follows the transmission belt to rise and fall, it will drive the lifting column of its inner wall to rise and fall. When the lifting column rises and falls, it will drive the touch screen to rise and fall. When the touch screen rises and falls, it will drive the slider of the outer wall of the lifting plate of its outer wall to slide. The outer wall of the slider will slide on the inner wall of the bracket. Finally, the touch screen is adjusted to a suitable position.
[0030] S2: Start the device, plug the power plug of the ventilator into the power socket, turn on the power switch, the device starts to power on, wait for the system self-check to complete, check the status of the sensor, valve and communication module, confirm that there is no error information on the display, and the device enters the standby state;
[0031] S3: Set up the device. The main menu is displayed on the touch screen. Select the "Breathing Mode" option and choose the appropriate breathing support mode. The breathing modes include SIMV, CPAP, BiPAP or PSV. In the "Parameter Setting" interface, adjust the following parameters:
[0032] Respiratory rate: set the number of breaths per minute;
[0033] Tidal volume: set the amount of gas per breath;
[0034] Oxygen concentration: Set the oxygen concentration of the supplied air;
[0035] Inspiratory pressure IPAP and expiratory pressure EPAP: applicable to BiPAP mode;
[0036] After confirming that all parameter settings are correct, save and return to the main menu to start the ventilator;
[0037] S4: When the device is started, the gas inside the tank will pass through the inside of the humidification bottle, and the first motor will start to run. When the first motor starts to run, it will drive the eccentric disc at its output end to rotate. When the eccentric disc is driven to rotate by the first motor, it will push the connecting block around it to slide. When the connecting block is pushed to slide by the eccentric disc, it will drive the sleeve to slide. The inner wall of the sleeve will slide on the outer wall of the fixed shaft. When the connecting block slides, it will drive the adjustment plate to rotate. When the adjustment plate rotates, it will drive the clamp to pinch the humidification bottle so that the gas inside it is delivered to the patient through the trachea, so that multiple patients can use the ventilator at the same time;
[0038] S5: Observe whether the respiratory parameters on the display screen are within the set range, and adjust the respiratory parameters at any time according to the patient's actual needs. When the device issues an alarm, check the alarm information on the display screen and handle the corresponding abnormal situation according to the prompts, including adjusting the airway pressure, checking the sensor or replacing the battery.
[0039] The present invention provides a ventilator for pediatric clinical use and a method for using the ventilator.
[0040] Beneficial effects:
[0041] 1. The present invention drives the eccentric disk to rotate through the first motor, the eccentric disk pushes the connecting block around it to slide, the connecting block drives the sleeve to slide, the connecting block drives the adjusting plate to rotate at the same time, the adjusting plate drives the clamping claws to pinch the humidification bottle so that the gas inside it is delivered to the patient through the trachea, so that in an emergency, breathing support can be provided to multiple patients quickly, thereby improving the success rate of rescue.
[0042] 2. The present invention drives the first transmission wheel to rotate through the second motor, the first transmission wheel drives the transmission belt to rotate, the transmission belt drives the second fixed plate to rise and fall, the second fixed plate drives the lifting column to rise and fall, and the lifting column drives the touch screen to rise and fall, so as to adjust the height of the touch screen, adjust the optimal viewing angle according to the height and working posture of the medical staff, reduce the frequency of lowering or raising the head, and relieve the fatigue of the neck and back.
[0043] 3. The present invention drives the eccentric disk to rotate through the first motor mentioned above, the eccentric disk pushes the connecting block around it to slide, the connecting block drives the sleeve to slide, and the connecting block drives the adjusting plate to rotate at the same time, and the adjusting plate drives the clamping claws to pinch the humidification bottle so that the gas inside it is delivered to the patient through the trachea, thereby achieving centralized collection and analysis of data of multiple patients, which is helpful to discover common problems and improve the effect of treatment plans.
[0044] 4. The present invention ensures accurate regulation of airway pressure and gas flow through high-precision sensors and PID control algorithms, provides stable respiratory support, and cooperates with adaptive control algorithms to automatically adjust respiratory parameters based on real-time feedback from patients, optimizes treatment effects, and reduces the frequency and errors of manual adjustments. Multiple breathing modes include SIMV, CPAP, BiPAP, PSV, etc., which can meet the diverse needs of different patients and provide personalized treatment plans. Doctors can quickly switch between different breathing modes according to the patient's condition, thereby improving the treatment effect.
[0045] 5. The present invention can assist the patient's spontaneous breathing through an intelligent control system, reduce the patient's breathing burden, improve comfort, and reduce the discomfort caused by the mask or endotracheal intubation by optimizing the adjustment of airflow and pressure, thereby achieving the effect of improving the patient's comfort.
[0046] 6. The present invention can monitor various key parameters in real time through the system, and automatically alarm when abnormal conditions (such as high pressure, low pressure, sensor failure, etc.) are found, prompting medical staff to intervene in time, including sound alarms and visual alarms, to ensure that the alarm information can be conveyed to medical staff in time to prevent omissions. Key components (such as controllers and sensors) adopt redundant design to ensure that the system can still work normally when a component fails and provide continuous respiratory support. The task isolation and monitoring mechanism of the real-time operating system is used to prevent software failures from causing system crashes, thereby improving system reliability. BRIEF DESCRIPTION OF THE DRAWINGS
[0047] Figure 1 A stereoscopic diagram of a ventilator for pediatric clinical use according to the present invention;
[0048] Figure 2 It is a schematic diagram of the universal wheel of the present invention;
[0049] Figure 3 It is a schematic diagram of the transmission belt of the present invention;
[0050] Figure 4 It is a schematic diagram of a slider of the present invention;
[0051] Figure 5 It is a schematic diagram of a support plate of the present invention;
[0052] Figure 6 It is a schematic diagram of the eccentric disc of the present invention;
[0053] Figure 7 It is a schematic diagram of the clamping jaws of the present invention;
[0054] Figure 8 It is a schematic diagram of a sleeve of the present invention;
[0055] Fig. 9 It is a schematic diagram of the support plate of the present invention.
[0056] Among them, 1. bracket; 2. support plate; 3. connecting plate; 4. support plate; 5. fixed block; 6. fixed shaft; 7. connecting shaft; 8. support plate; 9. first motor; 10. universal wheel; 11. eccentric disc; 12. sleeve; 13. connecting block; 14. adjustment plate; 15. clamping claw; 16. bearing; 17. humidification bottle; 18. air pipe; 19. second motor; 20. first transmission wheel; 21. transmission belt; 22. first fixed plate; 23. second transmission wheel; 24. second fixed plate; 25. lifting column; 26. touch screen; 27. lifting plate; 28. slider; 29. tank body. DETAILED DESCRIPTION
[0057] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0058] Please refer to the attached Figure 1 - Attachment Fig. 9 The embodiment of the present invention provides a ventilator for pediatric clinical use, including a bracket 1, a support plate 2 is fixedly connected to the upper surface of the bracket 1, a connecting plate 3 is fixedly connected to the upper surface of the supporting plate 2, a supporting plate 4 is fixedly connected to the lower surface of the connecting plate 3, a plurality of fixing blocks 5 are evenly fixedly connected to the upper surface of the connecting plate 3, a fixing shaft 6 is fixedly connected to the inside of the fixing block 5, a connecting shaft 7 is fixedly connected to the inside of the four sides of the connecting plate 3, a supporting plate 8 is fixedly connected to the upper outer wall of the connecting shaft 7, and a first motor 9 is fixedly connected to the upper surface of the supporting plate 8 The output end of the first motor 9 is fixedly connected with an eccentric disc 11, the outer wall of the fixed shaft 6 is slidably connected with a sleeve 12, the outer wall of the sleeve 12 is fixedly connected with a connecting block 13, the upper and lower outer walls of the connecting block 13 are rotatably connected with an adjusting plate 14, the lower surface of the adjusting plate 14 is rotatably connected with a clamping jaw 15, the middle outer wall of the connecting shaft 7 is fixedly connected with a bearing 16, the inner wall of the clamping jaw 15 is fixedly connected to the outer wall of the bearing 16, and a humidification component is arranged inside the support plate 4, and the humidification component is used to add moisture to the gas to be delivered to the patient's body;
[0059] Specifically, the second motor 19 is turned on to drive the first transmission wheel 20 to rotate. When the first transmission wheel 20 rotates, the inner wall of the upper side of the transmission belt 21 will be driven to rotate on the outer wall of the second transmission wheel 23. The transmission belt 21 will also drive the second fixed plate 24 to rise and fall. When the second fixed plate 24 is raised and lowered, the lifting column 25 will be driven to rise and fall. When the lifting column 25 is raised and lowered, the touch screen 26 will be driven to rise and fall. When the touch screen 26 is raised and lowered, the outer wall of the slider 28 will be driven to slide on the inner wall of the bracket 1, thereby achieving the effect of driving the touch screen 26 to be adjusted to a suitable position.
[0060] The humidification assembly includes a humidification bottle 17, the outer wall of which is arranged inside the support plate 4, the outer wall of which is arranged on the outer wall of the clamping jaw 15, and the inside of the humidification bottle 17 is fixedly connected with an air pipe 18; the outer wall of the connecting block 13 is arranged on the outer wall of the eccentric disc 11;
[0061] Specifically, there are four humidification bottles 17 , which prevent the patient's respiratory tract from being irritated by dry gas by adding humidity to the supplied air.
[0062] A second motor 19 is fixedly connected to the outer wall of the lower side of the bracket 1, and a first transmission wheel 20 is fixedly connected to the output end of the second motor 19, and a transmission belt 21 is arranged on the outer wall of the first transmission wheel 20; a first fixed plate 22 is fixedly connected to the outer wall of the middle part of the bracket 1, and a second transmission wheel 23 is rotatably connected to the outer wall of the first fixed plate 22; the inner wall of the transmission belt 21 is arranged on the outer wall of the second transmission wheel 23, and a second fixed plate 24 is fixedly connected to the outer wall of the transmission belt 21, and a lifting column 25 is fixedly connected to the inside of the second fixed plate 24; a touch screen 26 is fixedly connected to the top of the lifting column 25, and a lifting plate 27 is fixedly connected to the outer wall of the touch screen 26, and a slider 28 is fixedly connected to the outer wall of the lifting plate 27, and the outer wall of the slider 28 is slidably connected to the inner wall of the bracket 1; a tank 29 is fixedly connected to the outer wall of the lower right side of the bracket 1, and a universal wheel 10 is fixedly connected to the lower surface of the bracket 1;
[0063] Specifically, when the first motor 9 is running, it will drive the eccentric disc 11 to rotate, and the eccentric disc 11 will successively push the four connecting blocks 13 around it to slide. When the connecting block 13 slides, it will drive the inner wall of the sleeve 12 to slide on the outer wall of the fixed shaft 6. When the connecting block 13 slides, it will drive the adjustment plate 14 to rotate, and the adjustment plate 14 will drive the clamping claw 15 to pinch the humidification bottle 17 so that the gas inside it is delivered to the patient through the trachea 18, so that multiple patients can use the ventilator at the same time.
[0064] A ventilator control system for pediatric clinical use, comprising an operating system module, a control algorithm module, a data management module, and a user interface software module;
[0065] The operating system module selects FreeRTOS, RTEMS or ChibiOS, and uses a priority scheduling strategy to enable timely response to high-priority tasks, including real-time sensor data processing and alarm systems, and uses a memory protection mechanism to prevent mutual interference between tasks;
[0066] The control algorithm module includes PID control layer, adaptive control layer and closed-loop control layer;
[0067] The PID control layer includes proportional control: real-time calculation of the deviation between the current airway pressure and the set value, and output of a control signal proportional to the deviation; integral control: accumulating the deviation value to eliminate the steady-state error of the system; and differential control: predicting the change trend of the deviation and making adjustments in advance.
[0068] The PID controller is written as an independent module, which receives real-time sensor data input and outputs control signals to the valve control unit;
[0069] The adaptive control layer uses machine learning algorithms to analyze the patient's historical respiratory data, predict future needs, and automatically adjust control parameters. The machine learning algorithm includes an adaptive neural network and dynamically adjusts control parameters to optimize respiratory support effects based on real-time sensor data. The adaptive control algorithm is integrated into the main controller software and works in conjunction with the PID controller.
[0070] The closed-loop control layer includes real-time monitoring of respiratory parameters, comparison with set values, adjustment of output signals, and cross-validation through multiple sensors. Respiratory parameters include pressure and flow.
[0071] The feedback mechanism is written as an independent module, which is tightly integrated with the sensor data processing module and the control module;
[0072] The data management module includes a data recording layer, a data storage layer, and a data transmission layer;
[0073] The data recording layer uses a database or file system to record the respiratory data and device status at each time point, and uses a data compression algorithm to reduce storage space requirements. The data recording function is integrated into the main controller software to periodically record data and clean or compress data when storage space is insufficient. The database includes SQLite;
[0074] The data storage layer stores data in device memory or external storage media, regularly backs up data to cloud servers through encrypted communication protocols, integrates data storage and backup functions into the data management module, and performs data synchronization regularly;
[0075] The data transmission layer uses Wi-Fi or Bluetooth modules to transmit data to the hospital information system or mobile devices, encrypts the data using AES or RSA algorithms, integrates the data transmission function into the communication module, and provides an API interface for other modules to call;
[0076] The user interface software module includes a graphical interface layer and a user operation logic layer;
[0077] The graphical interface layer uses the graphics library to display respiratory parameters, historical data and alarm information in real time, and provides quick parameter setting and mode switching functions. It integrates the graphical interface software with the touch screen driver. The graphics library includes LVGL and Qt.
[0078] The user operation logic layer allows quick switching between different breathing support modes through simple clicks or slides, provides knob or slider controls for precise adjustment of breathing parameters, and tightly integrates the user operation logic with the graphical interface. Breathing parameters include pressure, flow, and oxygen concentration.
[0079] Specific, functional description
[0080] Respiratory support mode
[0081] SIMV (Synchronized Intermittent Mandatory Ventilation):
[0082] Functional Description: Provides mechanical ventilation at a set rate while allowing the patient to breathe spontaneously during intervals.
[0083] Implementation: Implement a synchronous detection mechanism in the control algorithm to detect the patient's spontaneous breathing signals and provide mechanical ventilation when needed.
[0084] CPAP (Continuous Positive Airway Pressure):
[0085] Function description: Continuously provide set positive pressure airflow to help keep the airway open and prevent airway collapse.
[0086] Implementation: Implement continuous airway pressure regulation and monitoring in the control algorithm to ensure that the pressure is within the set range.
[0087] BiPAP (Bi-level Positive Airway Pressure):
[0088] Function description: Provide different airway pressures during inhalation and exhalation to assist the patient's breathing.
[0089] Implementation: Independent regulation and monitoring of inspiratory pressure (IPAP) and expiratory pressure (EPAP) is implemented in the control algorithm.
[0090] PSV (Pressure Support Ventilation):
[0091] Functional description: Provides set pressure support during each inspiration to reduce the patient's breathing work.
[0092] Implementation method: Detect each inhalation action of the patient in the control algorithm and provide corresponding pressure support.
[0093] Emergency Alarm System
[0094] High pressure alarm:
[0095] Function description: When the airway pressure exceeds the set upper limit, an audible and visual alarm will sound, prompting the doctor to take action.
[0096] Implementation method: Monitor airway pressure in real time in the control algorithm and trigger an alarm mechanism when it exceeds the set value.
[0097] Low pressure alarm:
[0098] Function description: When the airway pressure is lower than the set lower limit, an alarm will be issued to indicate possible equipment failure or air leakage.
[0099] Implementation method: Monitor airway pressure in real time in the control algorithm and trigger an alarm mechanism when it is lower than the set value.
[0100] Low battery alarm:
[0101] Function description: When the battery power is lower than the safety threshold, an alarm will sound, prompting you to replace the battery or connect to the power supply.
[0102] Implementation method: Monitor the battery power in real time in the power management module and trigger the alarm mechanism when it is lower than the set value.
[0103] Sensor failure alarm:
[0104] Function description: When any sensor fails, an alarm is issued to indicate the need to inspect and maintain the equipment.
[0105] Implementation: Detect anomalies in sensor data in the control algorithm and trigger an alarm mechanism when a fault is detected.
[0106] Intelligent control function
[0107] Automatic parameter adjustment:
[0108] Function description: Automatically adjust the control parameters of the ventilator according to the patient's real-time respiratory data to provide optimal respiratory support.
[0109] Implementation: Integrate an adaptive control module into the control algorithm to analyze respiratory data in real time and dynamically adjust parameters.
[0110] Trend Analysis:
[0111] Function description: By analyzing historical data, predict changes in patients' respiratory needs and adjust ventilator settings in advance.
[0112] Implementation method: Implement data analysis and prediction algorithms in the data management module and use the results to adjust control parameters.
[0113] Remote Monitoring:
[0114] Function description: Doctors can monitor the patient's respiratory status in real time through the Internet and adjust the equipment parameters remotely.
[0115] Implementation method: Realize remote data transmission and control functions in the communication module and ensure data security through encryption protocol.
[0116] Data recording and analysis
[0117] Data Records:
[0118] Function description: Continuously record the patient's respiratory parameters and device status to provide doctors with detailed diagnosis and treatment basis.
[0119] Implementation method: Record data regularly in the data management module and timestamp the data to ensure the completeness and accuracy of the records.
[0120] Data Visualization:
[0121] Function description: Provides charts and reports to intuitively display the patient's respiratory data and equipment working status, which is convenient for doctors to analyze.
[0122] Implementation method: Integrate data visualization module into graphical interface software and use graphics library to generate real-time charts and historical data reports.
[0123] Data export:
[0124] Function description: Supports exporting data into standard formats (such as CSV, PDF) to facilitate doctors to conduct further analysis or save records.
[0125] Implementation method: Implement the data export function in the data management module and provide a user-friendly operation interface for data export.
[0126] A method for using a ventilator for clinical use in pediatrics comprises the following specific steps:
[0127] S1: When the ventilator needs to be used, first turn on the second motor 19. When the second motor 19 starts to run, it will drive the first transmission wheel 20 at its output end to rotate. When the first transmission wheel 20 is driven by the second motor 19 to rotate, it will drive the transmission belt 21 of its outer wall to rotate. When the transmission belt 21 is driven by the first transmission wheel 20 to rotate, its upper inner wall will rotate on the outer wall of the second transmission wheel 23. When the transmission belt 21 rotates, it will drive the second fixed plate 24 to rise and fall. When the second fixed plate 24 follows the transmission belt 21 to rise and fall, it will drive the lifting column 25 on its inner wall to rise and fall. When the lifting column 25 is lifted and lowered, it will drive the touch screen 26 to rise and fall. When the touch screen 26 is lifted and lowered, it will drive the slider 28 of the outer wall of the lifting plate 27 of its outer wall to slide. The outer wall of the slider 28 will slide on the inner wall of the bracket 1. Finally, the touch screen 26 is adjusted to a suitable position.
[0128] S2: Start the device, plug the power plug of the ventilator into the power socket, turn on the power switch, the device starts to power on, wait for the system self-check to complete, check the status of the sensor, valve and communication module, confirm that there is no error information on the display, and the device enters the standby state;
[0129] S3: Set up the device. The main menu is displayed on the touch screen. Select the "Breathing Mode" option and choose the appropriate breathing support mode. The breathing modes include SIMV, CPAP, BiPAP or PSV. In the "Parameter Setting" interface, adjust the following parameters:
[0130] Respiratory rate: set the number of breaths per minute;
[0131] Tidal volume: set the amount of gas per breath;
[0132] Oxygen concentration: Set the oxygen concentration of the supplied air;
[0133] Inspiratory pressure IPAP and expiratory pressure EPAP: applicable to BiPAP mode;
[0134] After confirming that all parameter settings are correct, save and return to the main menu to start the ventilator;
[0135] S4: When the device is started, the gas inside the tank 29 will pass through the inside of the humidification bottle 17, and the first motor 9 will start to run. When the first motor 9 starts to run, it will drive the eccentric disc 11 at its output end to rotate. When the eccentric disc 11 is driven by the first motor 9 to rotate, it will push the surrounding connecting block 13 to slide. When the connecting block 13 is pushed by the eccentric disc 11 to slide, it will drive the sleeve 12 to slide. The inner wall of the sleeve 12 will slide on the outer wall of the fixed shaft 6. When the connecting block 13 slides, it will drive the adjustment plate 14 to rotate. When the adjustment plate 14 rotates, it will drive the clamping claw 15 to pinch the humidification bottle 17 so that the gas inside it is delivered to the patient through the trachea 18, so that multiple patients can use the ventilator at the same time;
[0136] S5: Observe whether the respiratory parameters on the display screen are within the set range, and adjust the respiratory parameters at any time according to the patient's actual needs. When the device issues an alarm, check the alarm information on the display screen and handle the corresponding abnormal situation according to the prompts, including adjusting the airway pressure, checking the sensor or replacing the battery.
[0137] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A ventilator for clinical use in pediatrics, comprising a support (1), characterized in that: The upper surface of the bracket (1) is fixedly connected to a support plate (2), the upper surface of the support plate (2) is fixedly connected to a connecting plate (3), the lower surface of the connecting plate (3) is fixedly connected to a support plate (4), the upper surface of the connecting plate (3) is evenly fixedly connected to a plurality of fixing blocks (5), the interior of the fixing blocks (5) is fixedly connected to a fixing shaft (6), the interior of the four sides of the connecting plate (3) are fixedly connected to connecting shafts (7), the upper outer wall of the connecting shaft (7) is fixedly connected to a support plate (8), the upper surface of the support plate (8) is fixedly connected to a first motor (9), and the output end of the first motor (9) is fixedly connected to the first motor (9). An eccentric disc (11) is fixedly connected, the outer wall of the fixed shaft (6) is slidably connected to a sleeve (12), the outer wall of the sleeve (12) is fixedly connected to a connecting block (13), the upper and lower outer walls of the connecting block (13) are both rotatably connected to an adjustment plate (14), the lower surface of the adjustment plate (14) is rotatably connected to a clamping claw (15), the middle outer wall of the connecting shaft (7) is fixedly connected to a bearing (16), the inner wall of the clamping claw (15) is fixedly connected to the outer wall of the bearing (16), and a humidification component is arranged inside the support plate (4), and the humidification component is used to add moisture to the gas to be transported to the patient's body.
2. A ventilator for pediatric clinical use according to claim 1, characterized in that: The humidification component comprises a humidification bottle (17), the outer wall of the humidification bottle (17) is arranged inside the support plate (4), the outer wall of the humidification bottle (17) is arranged on the outer wall of the clamping claw (15), and the interior of the humidification bottle (17) is fixedly connected with an air pipe (18).
3. A ventilator for pediatric clinical use according to claim 1, characterized in that: The outer wall of the connecting block (13) is arranged on the outer wall of the eccentric disc (11).
4. A ventilator for pediatric clinical use according to claim 1, characterized in that: A second motor (19) is fixedly connected to the lower outer wall of the bracket (1), an output end of the second motor (19) is fixedly connected to a first transmission wheel (20), and a transmission belt (21) is provided on the outer wall of the first transmission wheel (20).
5. A ventilator for pediatric clinical use according to claim 4, characterized in that: A first fixing plate (22) is fixedly connected to the middle outer wall of the bracket (1), and a second transmission wheel (23) is rotatably connected to the outer wall of the first fixing plate (22).
6. A ventilator for pediatric clinical use according to claim 5, characterized in that: The inner wall of the transmission belt (21) is arranged on the outer wall of the second transmission wheel (23), the outer wall of the transmission belt (21) is fixedly connected to a second fixing plate (24), and the interior of the second fixing plate (24) is fixedly connected to a lifting column (25).
7. A ventilator for pediatric clinical use according to claim 6, characterized in that: The top end of the lifting column (25) is fixedly connected to a touch screen (26), the outer wall of the touch screen (26) is fixedly connected to a lifting plate (27), the outer wall of the lifting plate (27) is fixedly connected to a slider (28), and the outer wall of the slider (28) is slidably connected to the inner wall of the bracket (1).
8. A ventilator for pediatric clinical use according to claim 1, characterized in that: The lower right outer wall of the bracket (1) is fixedly connected to a tank body (29), and the lower surface of the bracket (1) is fixedly connected to a universal wheel (10).
9. A ventilator control system for pediatric clinical use, applied to a ventilator for pediatric clinical use as claimed in any one of claims 1 to 8, characterized in that: Including operating system module, control algorithm module, data management module, user interface software module; The operating system module selects FreeRTOS, RTEMS or ChibiOS, and uses a priority scheduling strategy to enable high-priority tasks to respond in a timely manner. The high-priority tasks include real-time sensor data processing and an alarm system, and a memory protection mechanism is used to prevent mutual interference between tasks; The control algorithm module includes a PID control layer, an adaptive control layer, and a closed-loop control layer; The PID control layer includes proportional control: real-time calculation of the deviation between the current airway pressure and the set value, and output of a control signal proportional to the deviation, integral control: accumulation of the deviation value, elimination of the steady-state error of the system, and differential control: prediction of the change trend of the deviation, and adjustment in advance; The PID controller is written as an independent module, which receives real-time sensor data input and outputs control signals to the valve control unit; The adaptive control layer uses a machine learning algorithm to analyze the patient's historical respiratory data, predict future needs, and automatically adjust control parameters. The machine learning algorithm includes an adaptive neural network, and dynamically adjusts control parameters to optimize respiratory support effects based on real-time sensor data. The adaptive control algorithm is integrated into the main controller software and works in conjunction with the PID controller; The closed-loop control layer includes real-time monitoring of respiratory parameters, comparison with set values, adjustment of output signals, and cross-validation through multiple sensors, wherein the respiratory parameters include pressure and flow; The feedback mechanism is written as an independent module, which is tightly integrated with the sensor data processing module and the control module; The data management module includes a data recording layer, a data storage layer, and a data transmission layer; The data recording layer uses a database or file system to record the respiratory data and device status at each time point, and uses a data compression algorithm to reduce storage space requirements, integrates the data recording function into the main controller software, periodically records data, and cleans or compresses data when storage space is insufficient. The database includes SQLite; The data storage layer stores data in device memory or external storage media, regularly backs up data to a cloud server through an encrypted communication protocol, integrates data storage and backup functions into the data management module, and performs data synchronization regularly; The data transmission layer uses Wi-Fi or Bluetooth modules to transmit data to hospital information systems or mobile devices, encrypts data using AES or RSA algorithms, integrates data transmission functions into communication modules, and provides API interfaces for other modules to call; The user interface software module includes a graphical interface layer and a user operation logic layer; The graphical interface layer uses a graphics library to display respiratory parameters, historical data and alarm information in real time, and provides quick parameter setting and mode switching functions, integrating the graphical interface software with the touch screen driver, and the graphics library includes LVGL and Qt; The user operation logic layer quickly switches between different breathing support modes through simple clicks or sliding operations, provides knob or slider controls to facilitate precise adjustment of breathing parameters, and tightly integrates user operation logic with the graphical interface. The breathing parameters include pressure, flow and oxygen concentration.
10. A method for using a pediatric clinical ventilator, applied to a pediatric clinical ventilator according to claims 1-8, characterized in that: The specific steps include: S1: When the ventilator is needed, the second motor (19) is first turned on. When the second motor (19) starts to run, it drives the first transmission wheel (20) at its output end to rotate. When the first transmission wheel (20) is driven to rotate by the second motor (19), it drives the transmission belt (21) on its outer wall to rotate. When the transmission belt (21) is driven to rotate by the first transmission wheel (20), the inner wall of the upper side thereof rotates on the outer wall of the second transmission wheel (23). When the transmission belt (21) rotates, At the same time, the second fixing plate (24) will be driven to move up and down. When the second fixing plate (24) moves up and down following the transmission belt (21), the lifting column (25) on the inner wall thereof will be driven to move up and down. When the lifting column (25) moves up and down, the touch screen (26) will be driven to move up and down. When the touch screen (26) moves up and down, the slider (28) on the outer wall of the lifting plate (27) on the outer wall thereof will be driven to slide. The outer wall of the slider (28) will slide on the inner wall of the bracket (1), and finally the touch screen (26) will be adjusted to a suitable position. S2: Start the device, plug the power plug of the ventilator into the power socket, turn on the power switch, the device starts to power on, wait for the system self-check to complete, check the status of the sensor, valve and communication module, confirm that there is no error information on the display, and the device enters the standby state; S3: Set up the device. The main menu is displayed on the touch screen. Select the "Breathing Mode" option and choose the appropriate breathing support mode. The breathing modes include SIMV, CPAP, BiPAP or PSV. In the "Parameter Setting" interface, adjust the following parameters: Respiratory rate: set the number of breaths per minute; Tidal volume: set the amount of gas per breath; Oxygen concentration: Set the oxygen concentration of the supplied air; Inspiratory pressure IPAP and expiratory pressure EPAP: applicable to BiPAP mode; After confirming that all parameter settings are correct, save and return to the main menu to start the ventilator; S4: When the device is started, the gas inside the tank body (29) will pass through the inside of the humidification bottle (17), and the first motor (9) will start to run. When the first motor (9) starts to run, it will drive the eccentric disc (11) at its output end to rotate. When the eccentric disc (11) is driven to rotate by the first motor (9), it will push the surrounding connecting block (13) to slide. When the connecting block (13) is pushed to slide by the eccentric disc (11), it will drive the sleeve (12) to slide. The inner wall of the sleeve (12) will slide on the outer wall of the fixed shaft (6). When the connecting block (13) slides, it will drive the adjusting plate (14) to rotate. When the adjusting plate (14) rotates, it will drive the clamping claw (15) to pinch the humidification bottle (17) so that the gas inside it is delivered to the patient through the trachea (18), so that multiple patients can use the ventilator at the same time; S5: Observe whether the respiratory parameters on the display screen are within the set range, and adjust the respiratory parameters at any time according to the patient's actual needs. When the device issues an alarm, check the alarm information on the display screen and handle the corresponding abnormal situation according to the prompts, including adjusting the airway pressure, checking the sensor or replacing the battery.