Wireless multi-parameter monitoring system

Abstract

The invention discloses a wireless multi-parameter monitoring system. According to the technical scheme, the wireless multi-parameter monitoring system is characterized by comprising a host, a transmitter gateway and at least one parameter monitoring component; the parameter monitoring component comprises at least one of a body temperature probe module, an electrocardiogram monitoring module and a pulse rate / blood oxygen probe module; the host is in wireless communication connection with the parameter monitoring component through the transmitter gateway so as to receive and process physiological parameter data collected by the parameter monitoring component. The wireless transmission technology (Bluetooth and a wireless local area network) is adopted, the constraint of wired connection is thoroughly eliminated, the monitoring host can be separated from the peripheral space of the body of a patient, remote monitoring or monitoring in different space sites is achieved, the monitoring scene is greatly expanded, and the system is particularly suitable for special scenes such as the radiotherapy environment.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical equipment, in particular to a wireless multi-parameter medical monitoring system and a monitoring method, which are especially suitable for real-time physiological parameter monitoring of tumor radiotherapy patients. BACKGROUND

[0002] With the acceleration of the aging process, the number of tumor patients in China is increasing year by year, and the market size of tumor treatment is continuously expanding. In the treatment of tumors, about 70% of malignant tumor patients need radiotherapy at different stages of disease development. However, the current clinical parameter monitoring means for radiotherapy patients is limited, and the main problems are as follows: the existing multi-parameter monitor is generally a wired device, and the monitoring host and the patient application end are directly connected through a wire, which greatly limits the monitoring scene. For example, when monitoring the data of the monitored patient outside the clinic or operating room, especially for patients with infectious sources, it is inconvenient to operate and there is a risk of infection.

[0003] In the special environment of tumor radiotherapy, the parameter monitor with lead wires will be disturbed by electromagnetic radiation due to refraction of the radioactive rays, resulting in unstable signals and affecting the accuracy of the monitoring data, which may increase the incidence of patient complications and medical accidents.

[0004] The existing monitoring equipment is large in size and is not convenient for patients to wear during radiotherapy, which may have some impact on the radiotherapy effect and also cause discomfort to the patients.

[0005] Therefore, there is an urgent need for a wireless multi-parameter medical monitoring system that can adapt to the radiotherapy environment, is not limited by space, has stable signals and is convenient to wear. SUMMARY

[0006] In view of the problems mentioned in the background, the purpose of the present application is to provide a wireless multi-parameter monitoring system to solve the problems in the prior art.

[0007] The above technical purpose of the present application is achieved by the following technical scheme: a wireless multi-parameter monitoring system, comprising a host, a transmitter gateway and at least one parameter monitoring component; the parameter monitoring component comprises at least one of a body temperature probe module, an electrocardiogram monitoring module and a pulse rate / oxygen probe module; the host establishes a wireless communication connection with the parameter monitoring component through the transmitter gateway to receive and process physiological parameter data collected by the parameter monitoring component.

[0008] Preferably, the host comprises a computer, a display, a camera and wireless multi-parameter monitoring system software; the transmitter gateway comprises a Bluetooth receiver and a power adapter; the body temperature probe module, the electrocardiogram monitoring module and the pulse rate / oxygen probe module are all independent wearable modules.

[0009] Preferably, the ECG monitoring module comprises disposable ECG electrode and a signal processing unit, which is configured to convert the ECG signal collected by the ECG electrode into digital signal and transmit the digital signal to the transmitter gateway via Bluetooth.

[0010] Preferably, the wireless communication connection comprises Bluetooth transmission and wireless local area network transmission; the parameter monitoring component is connected to the transmitter gateway via Bluetooth, and the transmitter gateway is connected to the host computer via wireless local area network.

[0011] Preferably, the system further comprises a charging unit, which comprises a charging base and a USB charging cable, and is configured to charge the parameter monitoring component and the transmitter gateway.

[0012] Preferably, the host computer comprises a data storage module and an alarm module, the data storage module is configured to store the physiological parameter data, and the alarm module is configured to send an alarm signal when the physiological parameter data exceeds a preset threshold.

[0013] Preferably, the alarm module comprises a medium-priority alarm unit, which is configured to be activated when the body temperature, heart rate or blood oxygen saturation exceeds a preset alarm limit.

[0014] Preferably, the system comprises the following method steps: step one, the parameter monitoring component collects the physiological parameter data of the patient.

[0015] Step two, the parameter monitoring component transmits the physiological parameter data to the transmitter gateway via Bluetooth.

[0016] Step three, the transmitter gateway transmits the physiological parameter data to the host computer via wireless local area network.

[0017] Step four, the host computer processes, displays and stores the physiological parameter data.

[0018] Preferably, the system further comprises the step of inputting patient information on the host computer, the patient information comprises name, ID, age, bed number, disease description and avatar, and the patient information is stored in association with the physiological parameter data.

[0019] Preferably, the system further comprises the step of performing anti-electromagnetic interference processing on the physiological parameter data, the anti-electromagnetic interference processing comprises filtering processing and signal enhancement processing, so as to reduce the interference of radiotherapy environment on the physiological parameter data.

[0020] In summary, the present application has the following advantages: the present application adopts wireless transmission technology (Bluetooth and wireless local area network), completely gets rid of the shackles of wired connection, enables the monitoring host to be separated from the patient's peripheral space, realizes remote monitoring or monitoring in different space sites, greatly expands the monitoring scene, and is especially suitable for special scenes such as radiotherapy environment.

[0021] The parameter monitoring components of the present application are all independent wearable modules, small in size, convenient for the patient to wear, and capable of avoiding sensitive parts, so as to not affect the radiotherapy effect and improve the comfort and cooperation degree of the patient.

[0022] The double wireless transmission mode adopted by the present application effectively solves the problem of electromagnetic radiation interference signals in the radiotherapy environment, ensures the stable transmission and accurate collection of physiological parameter data, and reduces the incidence of patient complications and medical accidents.

[0023] The host of the present application has perfect data storage and alarm functions, can record the physiological parameter data of the patient in real time, and timely alarms when abnormal, thereby providing strong support for the diagnosis and treatment of doctors.

[0024] In the present application, the patient information and physiological parameter data are stored in association, which is convenient for doctors to comprehensively understand the patient's condition and improves the efficiency and quality of medical monitoring. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is the system block diagram of the present application. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] Embodiment 1: Reference Figure 1 A wireless multi-parameter monitoring system, comprising a host, a transmitter gateway and at least one parameter monitoring component; the parameter monitoring component comprises at least one of a body temperature probe module, an electrocardio monitoring module and a pulse rate / oxygen saturation probe module; the host establishes a wireless communication connection with the parameter monitoring component through the transmitter gateway, to receive and process physiological parameter data collected by the parameter monitoring component.

[0028] The host comprises a computer, a display, a camera and wireless multi-parameter monitoring system software; the transmitter gateway comprises a Bluetooth receiver and a power adapter; the body temperature probe module, the electrocardio monitoring module and the pulse rate / oxygen saturation probe module are all independent wearable modules.

[0029] The electrocardio monitoring module comprises a disposable electrocardio electrode and a signal processing unit, and the signal processing unit is used for converting the electrocardio signal collected by the electrocardio electrode into a digital signal and transmitting the digital signal to the transmitter gateway through Bluetooth.

[0030] The wireless communication connection comprises Bluetooth transmission and wireless local area network transmission; the parameter monitoring component is connected with the transmitter gateway through Bluetooth, and the transmitter gateway is connected with the host through the wireless local area network.

[0031] The charging unit comprises a charging base and a USB charging cable, and is used for charging the parameter monitoring component and the transmitter gateway.

[0032] The host has a data storage module and an alarm module, the data storage module is used for storing the physiological parameter data, and the alarm module is used for sending an alarm signal when the physiological parameter data exceeds a preset threshold.

[0033] The alarm module comprises a medium-priority alarm unit, and the medium-priority alarm unit is started when the body temperature, the heart rate or the blood oxygen saturation exceeds a preset alarm limit.

[0034] The method comprises the following steps: step one, the parameter monitoring component collects the physiological parameter data of the patient.

[0035] Step two, the parameter monitoring component transmits the physiological parameter data to the transmitter gateway through Bluetooth.

[0036] Step three, the transmitter gateway transmits the physiological parameter data to the host through the wireless local area network.

[0037] Step four, the host processes, displays and stores the physiological parameter data.

[0038] The method further comprises the step of inputting the patient information on the host, the patient information comprises a name, an ID, an age, a bed number, a disease description and a portrait, and the patient information is stored in association with the physiological parameter data.

[0039] The method further comprises the step of performing anti-electromagnetic interference processing on the physiological parameter data, the anti-electromagnetic interference processing comprises filtering processing and signal enhancement processing, so as to reduce the interference of the radiotherapy environment on the physiological parameter data.

[0040] The application adopts wireless transmission technology (Bluetooth and wireless local area network), completely gets rid of the shackles of wired connection, enables the monitoring host to be separated from the peripheral space of the patient's body, realizes monitoring in a long distance or different space, greatly expands the monitoring scene, and is especially suitable for special scenes such as a radiotherapy environment.

[0041] The various parameter monitoring components of the application are independent wearable modules, small in size, convenient for patients to wear, and capable of avoiding sensitive parts, without affecting the effect of radiotherapy, improving the comfort and cooperation of patients.

[0042] The double wireless transmission mode adopted by the application effectively solves the problem of electromagnetic radiation interference signals in the radiotherapy environment, ensures the stable transmission and accurate collection of physiological parameter data, and reduces the incidence of patient complications and medical accidents.

[0043] The host computer has perfect data storage and alarm functions, can record the physiological parameter data of the patient in real time, and alarm in time when abnormal, providing strong support for the diagnosis and treatment of doctors.

[0044] In the application, the patient information and physiological parameter data are stored in association, which facilitates doctors to fully understand the patient's condition and improves the efficiency and quality of medical care.

[0045] Example 2: Application in the radiotherapy environment: Equipment configuration: the host computer is placed in the radiotherapy control room, including a computer, a display, a camera and a wireless multi-parameter monitoring system software (version number: V1.0.0.0).

[0046] The transmitter gateway is placed near the radiotherapy room, including a Bluetooth receiver and a power adapter, and is connected with the host computer through a wireless local area network.

[0047] The parameter monitoring component includes: a temperature probe module: using a contact type temperature measurement method, worn under the armpit of the patient.

[0048] The ECG monitoring module includes a disposable ECG electrode, which is pasted on the specified position of the patient's chest, and the signal processing unit is integrated in the wearable shell.

[0049] The pulse rate / oxygen probe module is worn on the patient's finger to collect pulse rate and oxygen saturation data.

[0050] The charging unit: the charging seat is placed in the control room, used for charging each parameter monitoring component and the transmitter gateway.

[0051] Monitoring process: patient information input: the medical staff inputs the patient's name, ID, age, bed number, disease description and other information on the host computer, and takes a photo of the patient. At the same time, scan the two-dimensional code of each parameter monitoring component worn by the patient, activate the device and establish the association between the patient information and the device.

[0052] Physiological parameter acquisition: the temperature probe module collects patient temperature data in real time, with a sampling frequency of 1 time / minute.

[0053] The electrocardiogram monitoring module collects electrocardiogram signals through electrocardiogram electrodes, and converts them into digital signals through a signal processing unit, with a sampling frequency of 250 times per second.

[0054] The pulse rate and blood oxygen probe module collects pulse rate and blood oxygen saturation data through optical principles, with a sampling frequency of 1 time per second.

[0055] Data transmission: Each parameter monitoring component transmits the collected data to the transmitter gateway through Bluetooth (Bluetooth version 4.0), with a transmission distance of not less than 10 meters.

[0056] The transmitter gateway transmits the received data to the host computer through a wireless local area network (WiFi5) with a transmission rate of not less than 100 Mbps.

[0057] Data processing and display: The host computer processes the received data, including: anti-electromagnetic interference processing: using digital filtering algorithm (such as Butterworth low-pass filter) to filter electrocardiogram signals, removing electromagnetic interference generated by radiotherapy equipment; median filtering for body temperature, pulse rate and blood oxygen saturation data to reduce random noise.

[0058] Signal enhancement processing: using adaptive gain control algorithm to automatically adjust the amplification multiple according to the signal strength, improving the detectability of weak signals.

[0059] Data calibration: calibrate the collected data according to the standard range of each parameter to ensure the accuracy of the data.

[0060] The processed data is displayed in real time on the display in waveform and numerical form, including: electrocardiogram waveform: displayed as a standard ECG waveform, with time (25mm / s) on the horizontal axis and voltage (10mm / mV) on the vertical axis.

[0061] Pulse rate value: unit is times per minute (bpm).

[0062] Blood oxygen saturation value: unit is %.

[0063] Body temperature value: unit is ℃.

[0064] Data storage and alarm: the data storage module stores real-time data and historical data in the host computer hard disk, with a storage format of database format (such as SQLite) for easy query and analysis. The storage content includes patient information, physiological parameter data, collection time, etc.

[0065] The alarm module monitors in real time according to the preset alarm threshold: body temperature alarm limit: the upper limit can be set to 37.5℃-40.0℃, and the lower limit can be set to 35.0℃-36.0℃, with an alarm error of ±0.1℃. When the body temperature exceeds the set range, the high priority alarm unit is started, the display shows the alarm information, and a sound alarm is issued.

[0066] Heart rate alarm limit: upper limit can be set to 100-150 bpm, lower limit can be set to 50-60 bpm. When the heart rate exceeds the set range, the medium priority alarm unit is started.

[0067] Oxygen saturation alarm limit: lower limit can be set to 90-95%. When the oxygen saturation is lower than the set lower limit value, the medium priority alarm unit is started.

[0068] Application effect: during radiotherapy, patients do not need to carry heavy wired equipment, can freely adjust the body position, and do not affect the radiotherapy effect.

[0069] Wireless transmission mode effectively avoids the electromagnetic interference of radiation, and the data transmission is stable, without signal interruption or distortion phenomenon.

[0070] Real-time alarm function can timely remind medical staff to pay attention to the abnormal condition of the patient, and provide protection for the safety of the patient.

[0071] The association storage of patient information and physiological parameter data is convenient for doctors to review the physiological condition of patients during the whole treatment process after radiotherapy, and provides a basis for subsequent adjustment of treatment plan.

[0072] Example 3: multiple patient monitoring in a regular ward.

[0073] Device configuration: the host is placed in the nurse station, and can be connected with multiple transmitter gateways at the same time, and each transmitter gateway corresponds to a ward.

[0074] A transmitter gateway is placed in each ward and connected with the host through a wireless local area network.

[0075] Each patient is equipped with a set of parameter monitoring components (body temperature probe module, ECG monitoring module and pulse rate / oxygen probe module).

[0076] Monitoring process: medical staff enter detailed information for each patient on the host, and pair the transmitter gateway of each ward and the parameter monitoring components of the patient.

[0077] Each parameter monitoring component collects physiological parameter data of the patient in real time, and transmits the data to the transmitter gateway in the ward through Bluetooth.

[0078] The transmitter gateway aggregates the data and transmits it to the host in the nurse station through a wireless local area network.

[0079] The host processes, displays and stores the data of multiple patients, and medical staff can switch to view the monitoring data of different patients through the host interface.

[0080] When the physiological parameter data of any patient exceeds the preset threshold, the alarm module of the host computer sends an alarm signal and displays the information of the alarm patient and the abnormal parameter on the interface.

[0081] Application effect: Realize the simultaneous monitoring of multiple patients, improve the work efficiency of medical staff.

[0082] Wireless transmission mode enables patients to move freely in the ward, improving patient comfort.

[0083] Real-time alarm function can timely find abnormal conditions of patients, facilitating timely treatment by medical staff.

[0084] Embodiment 4: Monitoring in mobile scenarios.

[0085] Device configuration: The host computer adopts a portable design (such as a notebook computer), which is convenient to carry.

[0086] The transmitter gateway is powered by a battery and has portability.

[0087] The parameter monitoring component is small in size and easy to wear, such as a wearable bracelet design for pulse rate / oxygen probe modules.

[0088] Monitoring process: During the patient's movement (such as from the ward to the examination room), the parameter monitoring component continuously collects physiological parameter data and transmits it to the transmitter gateway through Bluetooth.

[0089] The transmitter gateway connects with the portable host computer through a wireless local area network (such as a 4G / 5G network) to realize real-time monitoring during movement.

[0090] The host computer displays and stores data in real time during movement, and medical staff can immediately check the patient's physiological condition during movement when the patient arrives at the examination room.

[0091] Application effect: Solves the problem of real-time monitoring during patient movement, ensuring patient safety throughout the medical process.

[0092] Portable device design is convenient for medical staff to carry and operate, improving the flexibility of medical services.

[0093] Embodiment 5: Anti-electromagnetic interference performance test.

[0094] Test environment: In a simulated radiotherapy environment, set up an electromagnetic interference source (such as a high-frequency electromagnetic wave generator) to generate electromagnetic radiation similar to that of a radiotherapy device.

[0095] Respectively use the wireless multi-parameter monitoring system of the application and the traditional wired monitoring system to monitor the physiological parameters of the same patient.

[0096] Test method: Collect the patient's ECG, pulse rate, blood oxygen saturation and body temperature data at the same time, and the duration is 1 hour.

[0097] Compare the data stability and accuracy of the two systems in the electromagnetic interference environment.

[0098] Test results: The noise level of the ECG signal of the system of the application in the electromagnetic interference environment is lower than that of the traditional wired system, the waveform distortion rate is less than 5%, while the waveform distortion rate of the traditional wired system reaches more than 20%.

[0099] The error of pulse rate and blood oxygen saturation data in the system of the application is ±1 times / minute and ±1% respectively, while the error of the traditional wired system is ±5 times / minute and ±3% respectively.

[0100] The error of body temperature data in the system of the application is ±0.1℃, and the error of the traditional wired system is ±0.3℃.

[0101] Result analysis: The system of the application can effectively reduce the interference of electromagnetic radiation on data by adopting double wireless transmission mode of Bluetooth and wireless local area network and advanced anti-electromagnetic interference processing algorithm, and can ensure the stability and accuracy of data, which is better than the traditional wired monitoring system.

[0102] Example 6: Device endurance test.

[0103] Test method: Charge each parameter monitoring component, and continuously monitor in normal working mode (the same sampling frequency as in example 1), and record the time from starting work to power depletion.

[0104] Test results: The endurance time of the temperature probe module is 15 hours.

[0105] The endurance time of the ECG monitoring module is 13 hours.

[0106] The endurance time of the pulse rate / oxygen probe module is 14 hours.

[0107] The endurance time of the transmitter gateway is 16 hours (it can be unlimited when using an external power adapter).

[0108] Result analysis: The endurance time of each parameter monitoring component is more than 12 hours, which meets the basic requirements of clinical monitoring. In actual application, the charging unit can be charged in time to ensure the continuous work of the device.

[0109] In summary, the wireless multi-parameter medical monitoring system and monitoring method of the application solve the problems of existing wired monitoring devices in the radiotherapy environment by adopting wireless transmission technology, modular design and anti-electromagnetic interference processing, and have wide application prospect and significant technical advantages.

[0110] While embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A wireless multi-parameter monitoring system, characterized by: It includes a host, a transmitter gateway and at least one parameter monitoring component; the parameter monitoring component includes at least one of a body temperature probe module, an electrocardiogram monitoring module and a pulse rate / blood oxygen probe module; the host establishes a wireless communication connection with the parameter monitoring component through the transmitter gateway to receive and process the physiological parameter data collected by the parameter monitoring component.

2. A wireless multi-parameter monitoring system according to claim 1, characterized in that: The host includes a computer, a display, a camera and wireless multi-parameter monitoring system software; the transmitter gateway includes a Bluetooth receiver and a power adapter; the body temperature probe module, the electrocardiogram monitoring module and the pulse rate / blood oxygen probe module are all independent wearable modules.

3. A wireless multi-parameter monitoring system according to claim 2, characterized in that: The ECG monitoring module includes a disposable ECG electrode sheet and a signal processing unit. The signal processing unit is used to convert the ECG signal collected by the ECG electrode sheet into a digital signal and transmit it to the transmitter gateway via Bluetooth.

4. A wireless multi-parameter monitoring system according to claim 1, characterized in that: The wireless communication connection includes Bluetooth transmission and wireless local area network transmission; the parameter monitoring component is connected to the transmitter gateway via Bluetooth, and the transmitter gateway is connected to the host via wireless local area network.

5. The wireless multi-parameter monitoring system according to claim 1, characterized in that: It also includes a charging unit, which includes a charging base and a USB charging cable, and is used to charge the parameter monitoring component and the transmitter gateway.

6. The wireless multi-parameter monitoring system according to claim 1, characterized in that: The host comprises a data storage module and an alarm module, wherein the data storage module is used to store the physiological parameter data, and the alarm module is used to send an alarm signal when the physiological parameter data exceeds a preset threshold.

7. The wireless multi-parameter monitoring system according to claim 6, characterized in that: The alarm module includes a medium priority alarm unit, which is activated when body temperature, heart rate or blood oxygen saturation exceeds a preset alarm limit.

8. The wireless multi-parameter monitoring system according to claim 1, characterized in that: The method includes the following steps: step 1, the parameter monitoring component collects the patient's physiological parameter data; step 2, the parameter monitoring component transmits the physiological parameter data to the transmitter gateway via Bluetooth; step 3, the transmitter gateway transmits the physiological parameter data to the host via a wireless local area network; step 4, the host processes, displays and stores the physiological parameter data.

9. The wireless multi-parameter monitoring system according to claim 8, characterized in that: The method also includes the step of entering patient information on the host, wherein the patient information includes name, ID, age, bed number, condition description and portrait, and the patient information is stored in association with the physiological parameter data.

10. The wireless multi-parameter monitoring system according to claim 8, characterized in that: The method further includes the step of performing anti-electromagnetic interference processing on the physiological parameter data, wherein the anti-electromagnetic interference processing includes filtering processing and signal enhancement processing to reduce the interference of radiation in a radiotherapy environment on the physiological parameter data.

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