CN106667457B - Physiological monitoring system using low power bluetooth mesh network - Google Patents
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Abstract
The invention provides a physiological monitoring system using a low-power Bluetooth mesh network, which comprises a main control device and a plurality of physiological detection devices. The main control device broadcasts the measurement instruction signal to the outside through the low-power Bluetooth mesh network, and the physiological detection devices receive the measurement instruction signal broadcast to generate the physiological data signal of the testee and broadcast to the outside through the low-power Bluetooth mesh network, so that the main control device generates a medical record list of the testee after receiving the physiological data signal broadcast. The physiological monitoring system can improve the detection efficiency and has the effect of saving human resources.
Description
Technical Field
The present invention relates to a physiological monitoring system, and more particularly, to a physiological monitoring system using a low power bluetooth mesh network.
Background
With the improvement of modern medical science and technology, the aging of population and the reduction of fertility rate, the society has advanced to the society of the aged people, and the increase of medical care demand is undeniable. Not only the medical care needs of the elderly, but also the number of medical care needs of patients who need care due to diseases and disabled people who have disabilities due to accidents is increasing.
However, the number of medical care personnel cannot meet the increase of medical care demand at present, so that the medical care personnel may not provide medical care measures in real time even if the medical care personnel works overtime, and the medical quality is reduced. For example, the measurement of physiological values of a patient, such as blood pressure, is an indispensable task during medical care. The measurement needs the nursing staff to go to the ward site at regular time and measure one by one and record in the paper book, and then return to the nursing station to input each physiological value of each patient into the computer for filing. A large number of medical staff are unable to provide more active medical care services because of such routine manual measurement procedures.
Therefore, there is a need to provide a novel physiological monitoring system to solve the problems of the prior art.
Disclosure of Invention
The present invention is directed to a physiological monitoring system using a bluetooth mesh network, which is provided to overcome the above-mentioned shortcomings of the prior art.
The invention solves the technical problem and adopts the technical scheme that a physiological monitoring system using a low-power Bluetooth MESH NETWORK (BLE MESH NETWORK) is provided, which comprises a main control device and a plurality of physiological detection devices, wherein the main control device comprises a data processor and a main control end low-power Bluetooth transmission module, the data processor generates a measurement instruction signal, and the measurement instruction signal comprises an identification code of the main control device; the main control end low-power Bluetooth transmission module receives the measurement instruction signal and broadcasts the measurement instruction signal to the outside; each physiological detection device comprises a peripheral end low-power Bluetooth transmission module, a detection processor and a physiological sensor, wherein the peripheral end low-power Bluetooth transmission module receives the measurement instruction signal; the detection processor receives the measurement instruction signal through the low-power Bluetooth mesh network transmission mode and transmits the measurement instruction signal to the physiological sensor, the physiological sensor detects a physiological value of a testee according to the measurement instruction signal and transmits the physiological value to the detection processor, wherein the detection processor generates a physiological data signal according to the physiological value and an identification code of the physiological detection device, the peripheral end low-power Bluetooth transmission module broadcasts the physiological data signal to the outside, and after the main control end low-power Bluetooth transmission module of the main control device receives the physiological data signal through the low-power Bluetooth mesh network, the data processor generates a medical record table corresponding to the testee according to the physiological data signal.
Preferably, the main control device further comprises an alarm device, the data processor determines whether to generate an alarm driving signal according to the medical record table, and the alarm driving signal drives the alarm device to send an alarm notification.
Preferably, the warning device is a light-emitting warning device or a buzzer.
Preferably, the measurement instruction signal of the main control device further includes a voice driving signal, and each physiological detection device further includes a voice output device, wherein the detection processor decodes the voice driving signal and plays corresponding voice through the voice output device.
Preferably, the voice is a measurement instruction voice, and the physiological detection device starts to measure the person to be measured after the measurement instruction voice is replied by the person to be measured corresponding to the physiological detection device.
Preferably, the physiological detection device further comprises a voice input device for receiving a voice command, and the detection processor activates the physiological sensor to detect the physiological value of the subject according to the voice command.
Preferably, the physiological detection device further comprises an input device for receiving a reply command, and the detection processor starts the physiological sensor to detect the physiological value of the subject according to the reply command.
Preferably, the medical record list comprises a device address field and a physiological value field, wherein the data processor records the identification code of the physiological detection device in the device address field according to the received physiological data signal, and records the physiological value in the physiological value field corresponding to the identification code of the physiological detection device.
Preferably, the main control device further comprises a physiological data evaluation unit and an alarm device, wherein the physiological data evaluation unit is used for comparing whether the physiological value falls within a reference value interval so as to determine whether the data processor generates an alarm driving signal for driving the alarm device.
Preferably, the physiological value includes a heart rate, a blood pressure value or a body temperature.
Preferably, the system further comprises at least one fixed-end low-power bluetooth transmission device disposed between the main control device and the physiological detection devices for increasing a transmission path for the measurement command signal and the physiological data signal to be broadcast externally.
Preferably, the physiological monitoring system further comprises a cloud database for storing the received medical record table.
Preferably, the physiological detection device is a wearable device.
Preferably, the wearable device further comprises a detector electrically connected to the detection processor for notifying the main control device when the wearable device is detached from the subject.
Preferably, the physiological detection device further comprises at least one two-dimensional barcode (Quick Response Code) or at least one near field communication Tag (NFC Tag) for providing information corresponding to the subject of the physiological detection device.
The physiological monitoring system mainly uses low-power Bluetooth and is distributed by combining a mesh network, and signals are transmitted in a broadcasting mode. Because the low-power bluetooth has the characteristics of low power consumption, low cost, high speed and the like, and the mesh network completes the signal transmission and reception among all devices by the series connection of all devices or relay nodes (such as fixed-end low-power bluetooth transmission devices), the signal transmission performed in the mode of the invention is not limited to a specific distance and range, and simultaneously considers the requirement of low-power transmission in medical places, thereby improving the detection efficiency and saving human resources. In addition, the mechanism of voice information sending and the tested person reply instruction input provided by the physiological monitoring system of the invention ensures that the tested person can determine whether to accept detection or not after evaluating the physiological condition of the tested person, and the safety of the detection is considered in the automatic measurement process of the system.
Drawings
FIG. 1: a block diagram of a physiological monitor system using a bluetooth mesh network is shown in a preferred embodiment of the present invention.
FIG. 2: fig. 1 is a schematic diagram of a physiological monitoring system used in a medical care center.
Detailed Description
The following description will further describe preferred embodiments of the present invention with reference to the drawings.
Referring to fig. 1, fig. 1 is a block diagram illustrating a physiological monitoring system using a Low power Bluetooth MESH Network (BLE MESH for short) according to a preferred embodiment of the present invention.
As shown in fig. 1, the physiological monitoring system using bluetooth low power mesh network of the present invention includes a host 200, a plurality of physiological detection devices 110 and 120, a fixed-end bluetooth low power transmission device 300, and a cloud database 400. The main control device 200 includes a main control end low power bluetooth transmission module 220, a data processor 210, an alarm device 230 and a physiological data evaluation unit 240 electrically connected to each other. The physiological detection devices 110 and 120 respectively comprise peripheral low-power Bluetooth transmission modules 112 and 122, detection processors 111 and 121, physiological sensors 113 and 123, voice input/ output devices 114 and 124, and input devices 115 and 125, which are electrically connected with each other. In addition, the monitoring system further comprises a fixed-end low-power Bluetooth transmission device 300.
The basic operation of the physiological monitor system of the present invention is described below. As shown in FIG. 1, the physiological monitor system of the present invention may be used, for example, in a medical care center. Different from the existing method of measuring the patient by the person who is in person to the ward, when the medical staff wants to measure the physiological value of the patient, the medical staff can use the main control device 200 arranged in the nursing station, for example, a computer of the nursing station, to send out the measurement instruction signal a. The measurement command signal a is generated by the data processor 210, and then is broadcasted externally through the main-control low-power bluetooth transmission module 220. Then, the broadcasted measurement command signal a may be received by the physiological detection devices 110 and 120 via the fixed-end low-power bluetooth transmission device 300, or the physiological detection devices 110 and 120 may directly receive the broadcasted measurement command signal a from the host device 200. Each physiological detection device corresponds to a testee. In particular, the wireless medical network applied to the medical care center must meet the standards of low power and low radio frequency interference in signal transmission, so the physiological monitoring system of the present invention uses the low power bluetooth mesh network to perform signal transmission between the main control device and the physiological detection device, and adds the fixed end low power bluetooth transmission device 300 to expand the signal transmission range and the stability of the transmission signal when the distance between the main control device and the physiological detection device is relatively long.
In a preferred embodiment, the measurement command signal A includes a voice driving signal E, and the physiological detection device 110 includes a predetermined voice message. The measurement command signal a is received by the physiological measurement device 110 and then transmitted to the measurement processor 111. The detection processor 111 drives the voice input/output device 114, such as a speaker, to play the predetermined voice message according to the voice driving signal E of the measurement command signal a. The content of the voice may be a query from a medical staff, for example, asking the subject whether to perform detection of blood pressure. When the subject hears the voice, the input device 115, such as a touch display, can input a reply command F to the physiological detection device 110. The return command F is sent to the detection processor 111, and the detection processor 111 determines whether to send the measurement command signal A to the physiological sensor 113 according to the return command F. In detail, when the recovery command F is "no" or no recovery command F is generated, the detection processor 111 does not perform the measurement of the physiological signal. If the reply command F is "yes", the physiological sensor 113 performs physiological detection of the subject and returns the detected physiological value B1 to the detection processor 111. Then, the detection processor 111 generates a physiological data signal C1 according to the physiological value B1 and the identification code of the physiological detection device 110, and the peripheral low power bluetooth transmission module 112 broadcasts the physiological data signal C1 to the outside.
The mechanism for transmitting voice information and providing the test subject with the reply instruction provided by the embodiment enables the test subject to know that the test subject is to perform a detection action and to select whether to accept the detection. This improves the safety of the physiological monitoring system of the present system. For example, in the process of detecting blood pressure, the air bag covering the arm/wrist of the subject is inflated to detect the blood pressure. This process can compress the blood vessels, perhaps causing an uncomfortable sensation. If the testee determines that the current physical condition is not suitable for detection or the current situation is not suitable for detection, the decision of rejecting detection can be transmitted by the input of the reply instruction. Avoid the injury that the testee received to detect under uncomfortable condition.
The operation flow of the physiological data signals C1 and C2 received by the host 200 is described next. The physiological data signals C1 and C2 are received by the master low power bluetooth transmission module 220 of the master device 200 and then transmitted to the data processor 210. The data processor 210 generates a medical record table 211 corresponding to the subject according to the physiological data signals C1 and C2. The medical record table 211 includes a device address field 211a and a physiological value field 211 b. The data processor 210 records the identification codes of the physiological detection devices 110 and 120 in the device address field 211a according to the received physiological data signals C1 and C2, and records the physiological values B1 and B2, such as blood pressure, heart rate, or body temperature, in the physiological value field 211B corresponding to the identification codes of the physiological detection devices 110 and 120. Specifically, the device address field 211a is the subject corresponding to the physiological detection device 110, 120, and the identification code of the physiological detection device 110, 120 in the device address field 211a can be the IP address of the physiological detection device to obtain the measured subject name, and accordingly generate the medical record table 211 of the subject corresponding to each physiological detection device. Finally, the chart 211 may also be stored in the cloud database 400.
As mentioned above, the physiological monitoring system of the system automatically collects the physiological data signals of each testee through the low-power Bluetooth mesh network mode. Accordingly, the measurement process can be completed quickly, and the medical record can be automatically generated, so that the manpower resources of medical personnel can be reduced, the efficiency of medical care can be improved, and the possibility of personal careless can be reduced.
In addition, the physiological detection devices 110 and 120 of the present embodiment further include detectors 116 and 126 and near field communication tags (NFC tags) 117 and 127, wherein the detectors 116 and 126 are electrically connected to the detection processors 111 and 121 for detecting whether the physiological detection devices 110 and 120 are detached from the installation location. For example, the physiological detection devices 110 and 120 are wearable devices, which are worn on the wrist of the subject to detect the physiological value of the subject. When the testee falls off the physiological detection devices 110 and 120, the detectors 116 and 126 send out abnormal notifications and broadcast the notifications to the main control device 200 through the detection processors 111 and 121, so as to contact the nursing staff in real time to know the condition of the testee. The near field communication tags (NFC Tag)117, 127 are disposed on one side of the physiological detection devices 110, 120 for providing data corresponding to the detected testee. In practical applications, the near field communication tags (NFC Tag)117 and 127 may also be two-dimensional bar codes (Quick Response codes), but the present embodiment is not limited thereto. When the physiological detection devices 110 and 120 are separated from the testee, the near field communication tags (NFC Tag)117 and 127 allow the nursing staff to inquire the testee correspondingly detected by the physiological detection devices 110 and 120, so as to avoid confusion of the testee correspondingly detected when wearing or installing the physiological detection devices 110 and 120, thereby causing errors in detecting physiological values.
In the present embodiment, the main control device 200 further includes a physiological data evaluation unit 240 and an alert device 230. The physiological data evaluation unit 240 is used for comparing whether the physiological values C1 and C2, such as the heart rate, the blood pressure value or the body temperature, fall within a reference value interval to determine whether the data processor 210 generates the warning driving signal D for driving the warning device 230. The reference value interval is a physiological value range that a human body should have under normal conditions, for example, the body temperature value should be between 36 and 37.5 degrees or the blood pressure value should be less than 120mmHg for systolic pressure and less than 80mmHg for diastolic pressure. When the received physiological value exceeds the normal value range, the warning device 230 sends a warning notification, for example, the light-emitting warning device flashes red light, or the buzzer makes a sound, so as to prompt the medical staff to perform necessary treatment in real time, so that the medical staff can be alerted and the patient care requirements can be processed in real time, and the safety of medical care can be improved.
The following description will take the application of the system of the present invention to a medical care center as an example, and further describe the path of the measurement command signal A generated by the main control device 200 and the physiological data signals C1-C7 generated by the physiological detection devices 110-170 broadcast in the low power Bluetooth mesh network. Please refer to fig. 2, which is a schematic diagram of the system of the present invention applied to a medical care center. FIG. 2 is a flowchart illustrating the application of the embodiment of FIG. 1 to transmit physiological data signals of the physiological monitor system of the present invention.
FIG. 2 shows a medical care center including a plurality of physiological detection devices 110-150. In practical situations, the physiological detection devices 110 to 150 can be fixed to the patient beds 1 to 5 according to different situations of each patient, or can be arranged on the mobile wheelchair and worn on the patient through the wearing device, such as the physiological detection devices 160 and 170. Next, as mentioned above, in order to meet the requirement of network transmission power in the medical field, the effective transmission distance of the low power bluetooth mesh network used in the system is also limited, so that if the distance between the master control device and the physiological detection device is too far away, for example, the master control device disposed in the nursing station and the plurality of physiological detection devices disposed in the hospital bed or worn on the patient are scattered on different floors, the necessary broadcast signals may be missed. Therefore, the system further includes a plurality of fixed-end low-power Bluetooth transmission devices 310-330 disposed between the main control device and the plurality of physiological detection devices for relaying and transmitting the received broadcast signals.
When the medical staff wants to perform the physiological value detection of the patient, the medical staff uses the main control device 200 to generate and externally broadcast the measurement instruction signal a at the nursing station. The measurement signal a is sent out in a broadcast manner, rather than being transmitted to a specific object. Therefore, all the physiological detection devices and the fixed-end low-power bluetooth transmission devices within the effective network transmission range can receive the measurement command signal a broadcast from the main control device 200. For example, the physiological detection device 160 in fig. 2 is located in the effective network transmission range of the master device 200, and thus can receive the measurement command signal a directly from the master device 200. In addition, the device within the effective network transmission range of the host 200 further includes a fixed-end bluetooth low power transmission device 330, so that the fixed-end bluetooth low power transmission device 330 also receives the measurement command signal a directly from the host 200 and broadcasts the measurement command signal a to the outside. Similarly, devices within the effective network transmission range of the fixed-end bluetooth low power transmission device 330, such as the fixed-end bluetooth low power transmission devices 310 and 320 and the physiological detection device 170, similarly broadcast the measurement command signal a after receiving the broadcast from the fixed-end bluetooth low power transmission device 330. Then, the physiological detection devices 110, 120 and 130, 140 and 150 located in the effective network transmission range of the fixed-end bluetooth low- power transmission devices 310 and 320 receive the measurement command signal a via the fixed-end bluetooth low- power transmission devices 310 and 320, respectively.
Similarly, the physiological data signals C1-C7 generated by the physiological detection devices 110-170 are broadcast by the physiological detection devices 110-170, respectively. These broadcasts are received by the fixed-end low-power Bluetooth transmission devices 310-330 located within the effective network transmission distance of each physiological detection device, and are received by the main control device 200 after being broadcast again.
As can be seen from the above description, the system primarily uses low power bluetooth in conjunction with mesh network distribution to transmit signals in a broadcast manner. Bluetooth low power has the features of low power consumption, low cost and high speed, and the mesh network accomplishes the signal transmission and reception between all devices by connecting devices or relay nodes (e.g. fixed-end bluetooth low power transmission device) in series. Signal transmission in this manner is not limited to a particular distance and range, while meeting the low power transmission requirements of the medical facility.
In addition, the mechanism of voice information sending and the tested person reply instruction input provided by the physiological monitoring system of the invention ensures that the tested person can determine whether to accept detection or not after evaluating the physiological condition of the tested person, and the safety of the detection is considered in the automatic measurement process of the system.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the claims, therefore, all equivalent changes and modifications without departing from the spirit of the present invention should be included in the scope of the present invention.
Claims (13)
1. A physiological monitoring system using a low power bluetooth mesh network, comprising:
a master control device comprising:
the data processor generates a measurement instruction signal, wherein the measurement instruction signal comprises an identification code of the master control device; and
the main control end low-power Bluetooth transmission module receives the measurement instruction signal and broadcasts the measurement instruction signal to the outside; and a plurality of physiological detection devices, each physiological detection device comprising:
the peripheral end low-power Bluetooth transmission module receives the measurement instruction signal;
a detection processor; and
a physiological sensor;
wherein, the detection processor receives the measurement instruction signal through the low-power Bluetooth mesh network broadcast and transmits the measurement instruction signal to the physiological sensor, the physiological sensor detects a physiological value of a testee according to the measurement instruction signal and transmits the physiological value to the detection processor, wherein, the detection processor generates a physiological data signal according to the physiological value and the identification code of the physiological detection device, the peripheral end low-power Bluetooth transmission module broadcasts the physiological data signal to the outside, and when the main control end low-power Bluetooth transmission module of the main control device receives the physiological data signal through the low-power Bluetooth mesh network broadcast, the data processor generates a medical record table corresponding to the testee according to the physiological data signal;
the plurality of physiological detection devices respectively correspond to a plurality of testees, and at least one physiological detection device in the plurality of physiological detection devices transmits the measurement instruction signal and the physiological data signal between at least one other physiological detection device and the main control device.
2. The system of claim 1, wherein the host device further comprises an alert device, the data processor determines whether to generate an alert driving signal according to the chart, and the alert driving signal drives the alert device to send an alert notification.
3. The system of claim 2, wherein the warning device is a light-emitting warning device or a buzzer.
4. The system of claim 1, wherein the measurement command signal of the host device further comprises a voice driving signal, each physiological detection device further comprises a voice output device, and wherein the detection processor decodes the voice driving signal and plays a corresponding voice through the voice output device.
5. The system of claim 1, wherein the physiological measurement device further comprises an input device for receiving a reply command, the measurement processor activating the physiological sensor to measure the physiological value of the subject according to the reply command.
6. The system of claim 1, wherein the patient record table comprises a device address field and a physiological value field, wherein the data processor records the identifier of the physiological measurement device in the device address field and records the physiological value in the physiological value field corresponding to the identifier of the physiological measurement device according to the received physiological data signal.
7. The system of claim 6, wherein the host device further comprises a physiological data evaluation unit and an alarm device, the physiological data evaluation unit is configured to compare whether the physiological value falls within a reference value range to determine whether the data processor generates an alarm driving signal for driving the alarm device.
8. The system of claim 1, wherein the physiological value comprises a heart rate, a blood pressure value, or a body temperature.
9. The system of claim 1, further comprising at least one fixed-end low-power bluetooth transmission device disposed between the host device and the physiological detection devices for providing a transmission path for the measurement command signal and the physiological data signal to be broadcast.
10. The system of claim 1, wherein the physiological monitoring system further comprises a cloud database for storing the received medical record.
11. The system of claim 1, wherein the physiological detection device is a wearable device.
12. The system of claim 11, wherein the wearable device further comprises a detector electrically connected to the detection processor for notifying the host device when the wearable device is detached from the subject.
13. The system of claim 1, wherein the physiological monitor device further comprises at least one two-dimensional bar code or at least one near field communication tag for providing information corresponding to the subject of the physiological monitor device.
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| US11395188B2 (en) * | 2020-08-10 | 2022-07-19 | Silicon Laboratories Inc. | Fast signal identification of Bluetooth, ZigBee and other network protocols |
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| US7558622B2 (en) * | 2006-05-24 | 2009-07-07 | Bao Tran | Mesh network stroke monitoring appliance |
| CN101152077A (en) * | 2007-07-23 | 2008-04-02 | 北京爱心无限医疗技术开发有限公司 | Wireless intelligent tutelage system and method for medical treatment |
| EP2400812B1 (en) * | 2010-06-24 | 2019-11-27 | 9Solutions Oy | Bluetooth networking |
| US8897198B2 (en) * | 2011-01-14 | 2014-11-25 | Covidien Lp | Medical device wireless network architectures |
| CN104272868A (en) * | 2011-12-05 | 2015-01-07 | 高通股份有限公司 | Telehealth wireless communication hub device and service platform system |
| CA2896708A1 (en) * | 2012-12-27 | 2014-07-03 | Kaleo, Inc. | Devices, systems and methods for locating and interacting with medicament delivery systems |
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| CN202920153U (en) * | 2012-10-25 | 2013-05-08 | 南京邮电大学 | Medical information collection system based on Bluetooth |
| CN103760870A (en) * | 2014-01-26 | 2014-04-30 | 北京睿仁医疗科技有限公司 | Method and system for monitoring pathological parameters of a plurality of patients |
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Effective date of registration: 20230508 Address after: 14/F, 109 Guilin Road, 7 Fumin Lane, Wanhua District, Taipei, Taiwan, China, China Patentee after: Li Shuomin Address before: Taiwan Taipei City Neihu district China for AILU No. 168 1 floor Patentee before: FLYTECH TECHNOLOGY CO.,LTD. |