CN210124761U

CN210124761U - Sleep monitoring device and system

Info

Publication number: CN210124761U
Application number: CN201920370872.5U
Authority: CN
Inventors: 周聪聪; 胡钧
Original assignee: Shanghai Megahealth Technologies Co ltd; Hangzhou Megasens Technologies Co ltd
Current assignee: Shanghai Megahealth Technologies Co ltd; Hangzhou Megasens Technologies Co ltd
Priority date: 2019-03-22
Filing date: 2019-03-22
Publication date: 2020-03-06
Anticipated expiration: 2029-03-22

Abstract

The utility model discloses a sleep monitoring device and system, the system includes the sleep monitoring device, data processing and transmission module, cloud platform and analysis display terminal three part, the sleep monitoring device includes through flexible circuit connection's brain electricity monitoring module and eye electricity monitoring module for monitor human brain electricity and eye electricity signal, wherein, brain electricity monitoring module includes feedback electrode, reference electrode, brain electricity monitoring electrode and first processing circuit; the electro-ocular monitoring module comprises an electro-ocular monitoring electrode and a second processing circuit. Through the utility model discloses a wearable device of sleep monitoring and system can realize distributed, the accurate measurement of sleep monitoring, compensate the current situation that lacks the wearable sleep monitoring device of high accuracy, medical grade based on the bio-electricity signal at present.

Description

Sleep monitoring device and system

Technical Field

The utility model discloses a sleep monitoring device and system relates to portable medical grade brain electricity sleep monitoring field, attention training and fatigue monitoring field, can be applied to and need carry on multiple places such as sleep monitoring and sleep apnea syndrome examination.

Background

Sleep is an active process of human body, and can restore spirit and relieve fatigue. Adequate sleep, balanced diet and proper exercise are three health standards recognized by international society. Sleep is an essential process for life, is an important link for restoring, integrating and consolidating body memory, and is an indispensable component for health. Recent medical research shows that occasional insomnia can cause mental fatigue and work efficiency reduction of people the next day, which affect life quality of people, and long-term insomnia can cause the consequences of incapability of concentrating attention, memory reduction, no precise work, delicate work, low mood and the like.

Internationally, sleep is generally considered to consist of Non Rapid Eye Movement (NREM) sleep and Rapid Eye Movement (REM) sleep, and studies on sleep staging are performed based on electroencephalogram (EEG), electro-oculogram (EOG), and mandibular electromyogram (chin) electromyogram (chin EMG). Since 1968, sleep stages have been compiled by Rechtschschschchaffen and Kales in the handbook of standards for Human sleep stages, Terminology, technology and scanning System for sleep stages of Human Subjects, and then, in 2007, the American society for sleep medicine (AASM) developed new standards that combined

stages

3 and 4 out of the R & K standard featuring slow waves as the main feature (only to a different extent).

At present, a plurality of methods for detecting sleep are available, consumer-grade sleep detection is generally performed by using acceleration movement conditions, such as various bracelets, and techniques for performing sleep monitoring by using heart rate and respiration combined detection are available, however, data of the above techniques are not clinically approved. The medical level monitoring sleep mainly adopts the method of the wet electrode of the multi-lead, the person who is surveyed need connect many test wires on the head, test probe and human body need paint conductive paste, this kind of scheme also has certain defect, if connect complicacy, complex operation, need professional medical personnel's help just can accomplish, and the test need twine with multiple lead wire, the user action receives the constraint, in order to solve above-mentioned problem, it is very necessary to design portable sleep monitoring wearable device and system based on biological electric signal.

SUMMERY OF THE UTILITY MODEL

To the not enough of existence on the prior art, the utility model designs a portable sleep monitor device and system.

A sleep monitoring device and a system thereof comprise a sleep monitoring device, a data processing and transmission module, a cloud platform and an analysis display terminal. In an example, the sleep monitoring device comprises an electroencephalogram monitoring module and an electrooculogram monitoring module which are connected through a flexible circuit and are used for monitoring electroencephalogram and electrooculogram signals of a human body, wherein the electroencephalogram monitoring module comprises a feedback electrode, an electroencephalogram monitoring electrode, a reference electrode and a first processing circuit, the feedback electrode is used for applying feedback voltage to the human body, the electroencephalogram monitoring electrode is used for monitoring electroencephalogram signals of the human body, the reference electrode is used for collecting reference voltage signals, the first processing circuit is used for primarily processing the collected reference voltage signals and inputting the processed signals into the electrooculogram monitoring module through the flexible circuit; the electro-ocular monitoring module comprises an electro-ocular monitoring electrode and a second processing circuit, the electro-ocular monitoring electrode is used for monitoring an electro-ocular signal of a human body, and the second processing circuit is used for receiving the preliminarily processed reference voltage signal, the brain electrical signal and the electro-ocular signal, preprocessing the reference voltage signal, the brain electrical signal and the electro-ocular signal, and storing and/or outputting preprocessed data. In an exemplary embodiment, the sleep monitoring device further includes an electromyography monitoring module, which includes two electromyography monitoring electrodes and a third processing circuit, the electromyography monitoring electrodes are used for acquiring electromyography signals, the third processing circuit is used for processing the acquired electromyography signals, and the processed signals are connected with a second processing circuit of the electromyography monitoring module through a flexible circuit.

In an exemplary embodiment, the sleep monitor device further includes a spiral winder, and the lead wires of the reference electrode and the electro-oculogram collecting electrode are hidden in the sleep monitor device through the spiral winder. The reference electrode is positioned at the position of the retroauricular mastoid, an inverted digital 6-type auxiliary fixing structure is arranged on the reference electrode, and the auxiliary fixing structure is made of elastic plastic or memory alloy. The body surface bioelectricity monitoring electrode is provided with an auxiliary negative pressure structure or an elastic structure, and the negative pressure structure or the elastic structure is made of elastic rubber or a metal spring.

In an exemplary embodiment, the sleep monitor device is powered by a portable rechargeable battery, the battery load is uniformly distributed on the detection unit, and the data processing and transmitting module supports the rechargeable battery or the commercial power.

In an example, the sleep monitor device is adhered to the forehead of a human body by medical double-sided adhesive tape, and the connecting lines of the reference electrode, the eye electric monitoring electrode and the two myoelectric monitoring electrodes can be distributed along one side or two sides of the head.

In an exemplary embodiment, the sleep monitoring system comprises a sleep monitoring device, a data processing and transmitting module, a cloud platform and an analysis display terminal, wherein the sleep monitoring device wirelessly transmits preprocessed data to the data processing and transmitting module, and the data processing and transmitting module further processes the preprocessed data and transmits an analysis calculation result to the cloud platform and the analysis display terminal or stores the analysis calculation result in a local storage module; the cloud platform and the analysis display terminal can form an analysis report for long-time continuous monitoring.

In an example, the wireless data transmission mode between the sleep monitoring device and the data processing and transmitting module is bluetooth, the wireless data transmission mode between the data processing and transmitting module and the cloud platform is any one or more of bluetooth, WIFI or 4G/5G, and the wireless data transmission mode between the sleep monitoring device and the analysis display terminal is bluetooth. And wired data transmission of UART, IIC and SPI is supported between the sleep monitoring device and the data processing and transmitting module.

Compared with the prior art, the utility model, main difference and effect lie in: 1. the device designed by the utility model has the characteristics of miniaturization design, distributed load and distributed calculation, and is beneficial to realizing low power consumption and long-time continuous use of the wearable system; 2. the electrode configuration scheme designed by the utility model is simple and convenient to use, the electrode adopts elastic materials and is provided with the spiral winder, individual head shape difference can be effectively coped with, and the electrode is not easy to fall off, and the reliability of signal quality acquisition can be ensured on the premise of meeting comfort; 3. the utility model adopts medical double faced adhesive tape for fixation, has balanced load distribution, improves wearing comfort, does not influence sleep, and can truly monitor sleep condition; 4. the utility model discloses the monitoring signal of telecommunication is multiple, has reached medical grade's requirement, has ensured the validity and the value of sleep monitoring data.

Drawings

Fig. 1 is a block diagram of a system according to an embodiment of the present invention.

Fig. 2 is a functional block diagram of a wearable monitoring host device according to an embodiment of the present invention.

Fig. 3 is a functional block diagram of a mandibular electromyography unit according to an embodiment of the present invention.

Fig. 4 is a functional block diagram of a data processing and transmission module according to an embodiment of the present invention.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further explained with reference to the accompanying drawings and the detailed description thereof. In the following description, numerous technical details are set forth in order to provide a better understanding of the present application. However, it will be understood by those skilled in the art that the technical solutions claimed in the present application can be implemented without these technical details and with various changes and modifications based on the following embodiments.

Fig. 1 is a block diagram of a sleep monitoring system according to an embodiment of the present invention, as shown in fig. 1, the sleep monitoring system includes a wearable monitoring main device (i.e., a sleep monitoring device) 1, a data processing and transmitting module 5, and a cloud platform and analysis display terminal 6, wherein the wearable monitoring main device 1 includes an electroencephalogram monitoring module 2, an electrooculogram monitoring module 3, and a myoelectricity monitoring module 4, and is used for monitoring electroencephalogram, electrooculogram, and myoelectricity signals of a human body; the electroencephalogram monitoring module 2 comprises a feedback electrode 2-4, an electroencephalogram monitoring electrode 3-3, a reference electrode 2-1 and a first processing circuit consisting of a power control chip 2-3, an operational amplifier module 2-5 and a band-pass filter 2-6; the electro-oculogram monitoring module 3 comprises an electro-oculogram monitoring electrode 3-1 and a second processing circuit which is formed by a power interface 3-2, an operational amplifier module 3-4, a master control MCU3-5, a band-pass filter circuit module 3-6 and the like; the myoelectricity monitoring module comprises two myoelectricity monitoring electrodes 4-2 and 4-4 and a third processing circuit. Meanwhile, the local processing unit (namely, a master control MCU)3-5 is used for preprocessing the human body surface electric signals and sending the preprocessed result to the data processing and transmitting module 5 in a wireless mode, and the data processing and transmitting module processes the data and transmits the analysis and calculation result to the cloud platform and the analysis and display terminal 6 or stores the analysis and calculation result to the local storage module 5-4; the cloud platform and the analysis display terminal 6 can form an analysis report for long-time continuous monitoring.

The wearable monitoring main body device 1 is used for monitoring electroencephalogram, electrooculogram and electromyogram signals of a human body, wherein a reference electrode 2-1 is located at the position of a retroauricular mastoid, an inverted digital 6-type auxiliary fixing structure 2-2 is arranged on the reference electrode 2-1, the auxiliary fixing structure is made of elastic plastics or memory alloy, an electrooculogram monitoring electrode 3-1 is located on the outer side of an outer canthus, an auxiliary negative pressure structure or an elastic structure is arranged on the electrode, and the negative pressure structure or the elastic structure is made of elastic rubber or a metal spring. The system feedback electrode 2-4 is used for improving the overall anti-common mode capability, and the electroencephalogram monitoring electrode 3-3 is positioned in the left forehead area of the human body (named and referred to an international 10-20 system); the lower jaw electromyography monitoring electrode 4-4 is positioned 1cm above the midline of the front edge of the lower jaw, the electromyography monitoring electrode 4-2 is positioned 2cm below the front edge of the lower jaw, and the midline is positioned at the position of 2cm left/right. The electroencephalogram monitoring module 2 is connected with the electro-oculogram monitoring module 3 through a flexible flat cable 2-7, and the myoelectricity monitoring module 4 is connected with the electroencephalogram monitoring module 2 and the electro-oculogram monitoring module 3 through an interface connector 4-1 and the flexible flat cable 3-7.

The wearable monitoring main body device 1 is shown in a functional block diagram in fig. 2, an electroencephalogram monitoring module 2 comprises a power supply control chip 2-3, an operational amplifier module 2-5 and a band-pass filter 2-6, feedback voltage is applied to the body surface of a human body through feedback electrodes 2-4, reference voltage is collected into a system through a reference electrode 2-1, wherein a power supply, the reference voltage and filtered voltage in the electroencephalogram monitoring module 2 are input into an ocular monitoring module 3 through flexible flat cables 2-7 and are respectively connected with a power supply interface 3-2, the operational amplifier module 3-4 and an ADC pin of a main control MCU3-5 module; differential signals of the electroencephalogram monitoring electrode 3-3 and the electro-oculogram monitoring electrode 3-1 relative to the reference electrode 2-1 are respectively amplified through an operational amplifier module 3-4, the amplified signals are filtered through a band-pass filter circuit module 3-6, the high-pass cut-off frequency is 0.3Hz, the low-pass ring frequency is 40Hz, and the filtered signals are input into an ADC part of a main control MCU3-5 module; a power supply flexible flat cable 3-7 in the electro-ocular monitoring module 3 is connected with a myoelectric interface connector 4-1, meanwhile, a wire is led out from an ADC pin of a main control MCU3-5 module and is connected with the myoelectric interface connector 4-1, rechargeable batteries are respectively positioned on the electroencephalogram monitoring module 2 and below the electro-ocular monitoring module 3 in a distributed arrangement mode, on one hand, the rechargeable batteries are used as supports of a flexible circuit board, on the other hand, the mass load is distributed, and the wearing comfort is improved.

A functional block diagram of the mandibular electromyography monitoring module 4 is shown in fig. 3, and the module may include two electromyography monitoring electrodes 4-2 and 4-4 for acquiring electromyography signals and a third processing circuit, which may include an operational amplifier module 4-7, a band-pass filter circuit 4-6, etc., and may be used as an optional accessory, when connected, the electromyography monitoring interface connector 4-5 is paired with the connector 4-1, on one hand, a power supply and a reference voltage in the electromyography monitoring module 3 are connected to the power supply interface 4-3 of the electromyography monitoring module 4; on the other hand, the electromyographic signals collected by the electromyographic monitoring electrodes 4-2 and 4-4 are filtered by the band-pass filter circuit 4-6 after passing through the operational amplifier module 4-7, the high-pass cut-off frequency is 1Hz, the low-pass ring frequency is 200Hz, and the filtered signals are connected to the ADC part of the main control MCU3-5 module in the electrooculogram monitoring module 3 through the connector 4-5 to be subjected to analog-to-digital conversion.

After preprocessing such as power frequency removal and baseline removal is performed on the acquired electroencephalogram, electrooculogram and electromyogram signals by the main control MCU3-5 in the electrooculogram monitoring module 3, data can be stored in a local storage chip and output in a wired communication mode, and data can also be output in a wireless communication mode in a Bluetooth mode.

The wireless data transmission mode between the wearable monitoring main body device 1 and the data processing and transmission module 5 is Bluetooth, the wireless data transmission mode between the data processing and transmission module 5 and the cloud platform is Bluetooth, WIFI or 4G/5G, the wireless data transmission mode between the wearable monitoring main body device 1 and the analysis display terminal 6 is Bluetooth, and meanwhile the wearable monitoring main body device 1 and the data processing and transmission module 4 also support wired data transmission of UART and IIC. Wearable monitoring subject device 1 uses six electrodes at most and can realize the collection of brain electricity, eye electricity and flesh electricity, and wherein, four electrodes realize standard single conductance brain electricity and the collection of eye electricity signal, and flesh electricity acquisition unit is removable unit, and two electrodes of selective assorting can realize the collection of flesh electricity signal. The wearable monitoring main body device 1 is internally provided with a spiral winder, lead wires of a system reference electrode and an ocular electricity acquisition electrode can be hidden in the wearable monitoring main body device 1 through the spiral winder, the data processing and transmission module 5 supports the power supply of a rechargeable battery and the power supply of a commercial power, and when the wearable monitoring main body device 1 is used, the wearable monitoring main body device 1 is adhered to the forehead of a human body by medical double faced adhesive tape.

Fig. 4 shows a functional block diagram of the data processing and transmission module 5, the wireless communication module 5-1 may receive a preprocessed signal output by the eye monitoring module 3, then perform signal analysis and processing through the embedded signal processing chip 5-2, store a processed result in the local memory chip 5-4, or output the processed result to a remote end through the WIFI and the 4G/5G module 5-3, and finally the cloud platform and the analysis display terminal 6 may view an analysis report of long-time continuous monitoring.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A sleep monitoring device is characterized by comprising an electroencephalogram monitoring module and an electrooculogram monitoring module which are connected through a flexible circuit and used for monitoring electroencephalogram and electrooculogram signals of a human body, wherein,

the electroencephalogram monitoring module comprises a feedback electrode, an electroencephalogram monitoring electrode, a reference electrode and a first processing circuit, wherein the feedback electrode is used for applying feedback voltage to a human body, the electroencephalogram monitoring electrode is used for monitoring electroencephalogram signals of the human body, the reference electrode is used for collecting reference voltage signals, the first processing circuit is used for primarily processing the collected reference voltage signals and inputting the processed signals into the opthalmic monitoring module through the flexible circuit;

the electro-oculogram monitoring module comprises an electro-oculogram monitoring electrode and a second processing circuit, the electro-oculogram monitoring electrode is used for monitoring an electro-oculogram signal of a human body, the second processing circuit is used for receiving the reference voltage signal after preliminary processing, the electroencephalogram signal and the electro-oculogram signal, preprocessing is carried out, and data after preprocessing is stored and/or output.

2. The sleep monitoring device as set forth in claim 1, further comprising,

the myoelectricity monitoring module comprises two myoelectricity monitoring electrodes and a third processing circuit, the myoelectricity monitoring electrodes are used for acquiring myoelectricity signals, the third processing circuit is used for processing the acquired myoelectricity signals, and the processed signals are connected with a second processing circuit of the myoelectricity monitoring module through the flexible circuit.

3. The sleep monitoring device as claimed in claim 1, further comprising a spiral winder through which the lead wires of the reference electrode and the ocular collecting electrode are hidden inside the sleep monitoring device.

4. The sleep monitoring device as claimed in claim 1, wherein the reference electrode is located at the position of the mastoid process behind the ear, and the reference electrode is provided with an inverted digital 6 type auxiliary fixing structure, and the material of the auxiliary fixing structure is elastic plastic or memory alloy.

5. The sleep monitoring device as claimed in claim 1 or 2, wherein the electroencephalogram, electrooculogram and/or electromyogram monitoring electrode is provided with an auxiliary negative pressure structure or elastic structure, and the negative pressure structure or elastic structure is made of elastic rubber or metal spring.

6. The sleep monitor device as claimed in claim 1, wherein the sleep monitor device is powered by portable rechargeable battery, the battery load is uniformly distributed on the detection unit, and the data processing and transmission module supports the rechargeable battery or the commercial power supply.

7. The sleep monitor device as claimed in claim 1 or 2, wherein the sleep monitor device is adhered to the forehead of the human body by medical double-faced adhesive tape, and the connecting lines of the reference electrode, the eye electric monitor electrode and the two myoelectric monitor electrodes are distributed along one side or two sides of the head.

8. A sleep monitoring system, characterized by: the sleep monitoring device comprises three parts, namely a sleep monitoring device, a data processing and transmitting module and a cloud platform and an analysis display terminal, as claimed in claims 1 to 7, wherein the sleep monitoring device wirelessly transmits the preprocessed data to the data processing and transmitting module, and the data processing and transmitting module further processes the preprocessed data and transmits an analysis calculation result to the cloud platform and the analysis display terminal, or stores the analysis calculation result in a local storage module; the cloud platform and the analysis display terminal can form an analysis report for long-time continuous monitoring.

9. The sleep monitoring system according to claim 8, wherein the wireless data transmission mode between the sleep monitoring device and the data processing and transmission module is bluetooth, the wireless data transmission mode between the data processing and transmission module and the cloud platform is any one or more of bluetooth, WIFI or 4G/5G, and the wireless data transmission mode between the sleep monitoring device and the analysis display terminal is bluetooth.

10. The sleep monitoring system as claimed in claim 8, wherein wired data transmission between the sleep monitoring device and the data processing and transmitting module is supported by any one or more of UART, IIC or SPI.