CN204147029U - A kind of Wearable sleep-respiratory condition monitoring system based on bio-impedance - Google Patents
A kind of Wearable sleep-respiratory condition monitoring system based on bio-impedance Download PDFInfo
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- CN204147029U CN204147029U CN201420649035.3U CN201420649035U CN204147029U CN 204147029 U CN204147029 U CN 204147029U CN 201420649035 U CN201420649035 U CN 201420649035U CN 204147029 U CN204147029 U CN 204147029U
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Abstract
This utility model belongs to biologic medical monitoring technical field, in particular discloses a kind of Wearable sleep-respiratory condition monitoring system based on bio-impedance.This monitoring system comprises the monitoring band for gathering thorax impedance under sleep state and heart rate signal and monitors with described the mobile terminal being with wireless connections; Described mobile terminal comprises for by the signal collected display unit carrying out data and curves and analysis result between the data processing unit of Data Analysis Services and the thorax impedance be used for after video data processing unit analyzing and processing and heart rate; The fixing band comprising signals collecting box and be connected with described signals collecting box is with in described monitoring.Therefore not only cheap and simple, convenient wearing, applicable family use system described in the utility model, but also do not affect sleep, and test environment is daily true sleep environment, thus reach under the influence condition not being subject to the actions such as sleep attitudes vibration the true daily sleep-respiratory status real time monitor of patient.
Description
Technical field
This utility model belongs to biologic medical monitoring technical field, especially relates to a kind of Wearable sleep-respiratory condition monitoring system based on bio-impedance.
Background technology
Bio-impedance technique is a kind of non-invasive monitoring technology utilizing the electrical characteristics of biological tissue and organ to extract Human Physiology and pathological information.Tissue and organ have unique electrical characteristics, organize and also change with corresponding electrical characteristics to the state of organ or changes of function.Have in such as prior art and utilize diaphragmatic fatigue degree and chest to breathe the relevant principle of the synchronization extent of the crest of electrical impedance signal and abdominal respiration electrical impedance signal, diaphragmatic fatigue degree is divided into different types.Bio-impedance technique has noinvasive can't harm, is convenient to the advantages such as long-time real-time monitoring and low cost in clinical medicine, makes bio-impedance technique be applied to clinical medicine or medical health field has very large potentiality and value.
Monitoring for sleep-respiratory state is directly connected to the research of sleeping disorders, and therefore sleep breath monitoring becomes the topic paid close attention in sleep medicine.In sleeping disorders, sleep apnea refers to the sleep disorder of respiratory arrest in sleep, it mainly divides three types: obstructive sleep apnea, is soft tissue relaxation in sleep near throat and causes that upper respiratory tract is narrow even to be blocked thus asphyxia; Centric sleep apnea is lacked of proper care relevant with the central nervous system function controlling to breathe, and the nervus centralis temporarily losing respiratory function drives, and this respiratory disorder is not that airway obstruction causes; And the two mixed type.At present according to statistics, the number of breathing sleep disorder is had to account for 2% ~ 4% of total population.And this numeral has the trend obviously risen.Recurrent asphyxia/low ventilation in sleep, hypercapnia, interruptions of sleep is caused by a variety of causes, thus the clinical syndrome making body that a series of pathophysiological change occur is called sleep apnea low-ventilatory syndrome (Sleep Apnea Hypopnea Syndrome, SAHS).And for the reasonably diagnosis and treatment as early as possible of above-mentioned sleep disordered breathing, the quality of life can improving patient prevents the generation of various complication.Therefore, be prevention and the first step of diagnosis and treatment sleep disordered breathing to the monitoring of sleep-respiratory.
Existing multiple sleep breath monitoring method is applied to clinical at present.Such as: Polysomnography instrument PSG, this is the most important equipment of diagnosis sleep apnea.It not only can judge disease severity, also can the Sleep architecture of comprehensive assessment patient, asphyxia in sleep, hypoxia situation, and electrocardio, blood pressure change.And detect by Esophageal Pressure in some cases, also can differentiate mutually with centric sleep apnea syndrome.Wherein, the project that PSG detects comprises electroencephalogram, electro-oculogram, submental electromyogram, tibialis anterior electrograph, electrocardiogram, the respiratory movement of breast stomach wall, mouth and nose air-flow and blood oxygen saturation etc.Thus, PSG has become the clinical goldstandard of diagnosis Sleep Apnea-hypopnea Syndrome.But PSG is expensive, operation cost is high; The mechanism of the breathing sleep disorder diagnosis of current specialty is few, and needs of patients is queued up for a long time and just can be checked; Patient, at foreign environment, connects multiple conducting wires with it, not easily fall asleep or sleep degree shallow, night easily wakes up, thus makes the failure of an experiment or experimental result deviation.In addition, therefore, in order to help doctor provide diagnosis reference or formulate therapeutic scheme and facilitate the preliminary examination of patient oneself etc., concerning sleep apnea patient, how easily and effectively monitoring sleep breathing state becomes a kind of new market demand.
Utility model content
For the deficiency that above-mentioned prior art exists, the purpose of this utility model is to provide a kind of easy easy-to-use, Real-Time Monitoring and is applicable to the Wearable system for monitoring sleep apnea based on bio-impedance of individual or home care.
To achieve these goals, the technical scheme that adopts of this utility model is as follows:
Based on a Wearable sleep-respiratory condition monitoring system for bio-impedance, comprise the monitoring band for gathering thorax impedance under sleep state and heart rate signal and monitor with described the mobile terminal being with wireless connections; Wherein said monitoring band comprises for the signals collecting box of sampling to experimenter and transmit bioimpedance signal and the fixing band be connected with described signals collecting box, and described mobile terminal comprises for carrying out the data processing unit of Data Analysis Services and the display unit of the thorax impedance be used for after video data processing unit analyzing and processing and heart rate data curve and analysis result by signal collected.
In this utility model one embodiment, wherein, described signals collecting box comprises:
Electrod-array, is at least made up of two electrodes contacted with human chest region, is in the bioimpedance signal of the heart place chest under sleep state for gathering human body;
Acquired signal processing module, be connected with described electrod-array, for by the signal collected digital signal data that is converted to;
Memory module, is connected with described acquired signal processing module, for the digital signal data that storage of collected signal processing module is converted to;
Output module, is connected with described memory module, for described mobile terminal wireless transmission digital signal data or to external equipment output digit signals data;
Power module, is connected with described electrod-array, acquired signal processing module, memory module and output module respectively, for giving connected each module for power supply.
In this utility model one embodiment, wherein, described data processing unit comprises:
Input module, receives the digital signal data of described output module transmission;
Data separating module, is connected with described input module and for digital signal data being separated into thorax impedance real time data and heart rate real time data;
Data analysis module, is connected with described data separating module and jointly judges the sleep-respiratory state of experimenter according to thorax impedance real time data and heart rate real time data.
In another embodiment of this utility model, wherein, described electrod-array is centrosymmetric distribution, wherein electrode size identical and between adjacent electrode spacing equal.
In another embodiment of this utility model, wherein, described output module comprises the wireless module and interface that are connected with described memory module respectively, and described wireless module is used for described mobile terminal wireless transmission digital signal data, and described interface is used for external equipment output digit signals data.
In another embodiment of this utility model, wherein, described wireless module comprises bluetooth, Wefi sending module, ZigBee sending module or GSM sending module.
In this utility model one embodiment, wherein, described mobile terminal comprises smart mobile phone, panel computer or notebook computer.
In this utility model one embodiment, wherein, the connected mode of described signals collecting box and fixing band is for fasten or VELCRO is fitted.
After adopting said structure, this utility model is compared to the prior art advantageously: the technical program obtains thorax impedance based on bio-impedance technique and heart rate signal carrys out monitoring sleep breathing state, adopt simultaneously transmission of wireless signals avoid patient connect with it wire not easily fall asleep or sleep degree is shallow, night the problem such as Yi Xing; This sleep-respiratory condition monitoring system not only cheap and simple, convenient to dress, be applicable to family and use, but also do not affect sleep, and test environment is daily true sleep environment, thus reaches not by sleep attitude
To the true daily sleep-respiratory status real time monitor of patient under the influence condition of the actions such as change.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, this utility model is further illustrated:
Fig. 1 is the relation schematic diagram that system for monitoring sleep apnea described in the utility model is connected with human body;
Fig. 2 is the structural representation of monitoring band described in this utility model embodiment one;
Fig. 3 is the internal truss frame structure schematic diagram of signals collecting box described in this utility model embodiment one;
Fig. 4 is the internal truss frame structure schematic diagram of mobile terminal described in this utility model embodiment one;
Fig. 5 is the result schematic diagram of monitoring band described in this utility model embodiment two;
Fig. 6 be in monitoring system described in the utility model the real-time amplitude of thorax impedance and palmic rate along with time changing curve schematic diagram.
Reference numeral:
10-monitors band, 11-signals collecting box, 111-electrod-array, 112-acquired signal processing module, 113-memory module, 114-output module, 1141-wireless module, 1142-interface 115-power module, 12-fixing band, 20-mobile terminal, 21-data processing unit, 211-input module, 212-data separating module, 213-data analysis module, 22-display unit, P1-thorax impedance real time data, P2-heart rate real time data.
Detailed description of the invention
The impedance variation that Wearable sleep-respiratory condition monitoring system described in this utility model following examples utilizes human body respiration motion and heartbeat to cause is to obtain sleep breath monitoring signal.Because human body is under sleep-respiratory state, the amplitude of thorax impedance is subject to human body and sleep soundly the factor impacts such as degree, sleeping position, age size and sleep quality, the change that thorax impedance occurs in various degree within a certain period of time can be caused, therefore simple employing thorax impedance objectively can not directly judge sleep quality breathing state, so this utility model judges sleep-respiratory state jointly by Real-Time Monitoring thorax impedance and in conjunction with the change of heart rate.The following stated is only preferred embodiment of the present utility model, does not therefore limit protection domain of the present utility model.
Embodiment one:
As depicted in figs. 1 and 2, embodiment described in the utility model provides a kind of Wearable sleep-respiratory condition monitoring system based on bio-impedance, comprises for gathering thorax impedance under sleep state and the monitoring band 10 of heart rate signal and the described mobile terminal 20 with the wireless connections of described monitoring band 10; Described mobile terminal 20 comprises for by the signal collected display unit 22 carrying out relationship change curve and data results between the data processing unit 21 of Data Analysis Services and the thorax impedance be used for after video data processing unit 21 analyzing and processing and heart rate; The fixing band 12 that described monitoring band 10 comprises signals collecting box 11 and is connected with described signals collecting box 11.In this utility model embodiment, described signals collecting box 11 is the (not shown) that is fastened and connected with the connected mode of fixing band 12, and VELCRO in addition can also be adopted to fit; Described mobile terminal 20 is any one in smart mobile phone, panel computer or notebook computer.
As shown in Figure 3, described in this utility model embodiment, signals collecting box 11 comprises electrod-array 111, acquired signal processing module 112, memory module 113, output module 114 and power module 115.Wherein, described electrod-array 111 is made up of two electrodes contacted with human chest; In this utility model embodiment, described electrod-array 111 is centrosymmetric distribution, and wherein two electrode size are identical, and namely each electrode can be used as pumping signal electrode, also can as acquired signal electrode.Described acquired signal processing module 112 is connected with described electrod-array 111, for by the signal collected digital signal data that is converted to.Described memory module 113 is connected with described acquired signal processing module 112, for the digital signal data that storage of collected signal processing module 112 is converted to.Described output module 114 is connected with described memory module 113, for described mobile terminal wireless transmission digital signal data or to external equipment output digit signals data.Power module 115 is connected with described electrod-array 111, acquired signal processing module 112, memory module 113 and output module 114 respectively, for giving connected each module for power supply.
In this utility model embodiment, described output module 114 comprises the wireless sending module 1141 and interface 1142 that are connected with described memory module respectively, described wireless sending module 1141 is for described mobile terminal wireless transmission digital signal data, and described interface 1142 is for external equipment output digit signals data.In this utility model embodiment, described wireless sending module 1141 is Wefi sending module, in addition also comprises bluetooth, ZigBee sending module or GSM sending module.
As shown in Figure 4, described data processing unit 21 comprises input module 211, data separating module 212 and data analysis module 213.Described input module 211 receives the digital signal data of described output module 14 transmission; Described data separating module 212 is connected with described input module 211 and for digital signal data being separated into thorax impedance real time data P1 and heart rate real time data P2; Described data analysis module 213 is connected with described data separating module 212 and jointly judges the sleep-respiratory state of experimenter according to thorax impedance real time data P1 and heart rate real time data P2.In this utility model embodiment, described thorax impedance real time data P1 is the real-time amplitude A of thorax impedance
v, heart rate real time data P2 is heart beating real-time frequency f
h.
Embodiment two:
Continue as shown in Figure 5, embodiment described in the utility model is distinguished as with the maximum of above-described embodiment one: described electrod-array 111 is made up of four electrodes contacted with human chest, wherein pair of electrodes is signal exciting electrode, and another pair of electrodes is electrode signal acquisition.In this utility model embodiment, described electrod-array 111 is centrosymmetric distribution, wherein each electrode size identical and between adjacent electrode spacing equal.Such as:, these four electrodes are square and arrange on the box body surface of fitting with human body of signals collecting box 11.And other structures are all identical with above-described embodiment one, do not repeat them here.
In above-mentioned two embodiments, by electrod-array being fixedly installed in described signals collecting box, biological impedance can not only be realized, and the monitoring avoiding the wire in prior art between electrode with treatment facility to be connected and bring is inconvenient and affect patient and test the defects such as sleep quality, also avoids the stray capacitance existed between wire on the impact of measurement simultaneously; Therefore this sleep-respiratory condition monitoring system not only cheap and simple, convenient wearing, use of applicable family, but also do not affect sleep, to such an extent as to reach under the influence condition not being subject to the actions such as sleep attitudes vibration patient sleeps's breathing state Real-Time Monitoring.
As shown in Figure 6, when the real-time amplitude A of thorax impedance in section sometime
vrange value and heart beating real-time frequency f
hnumerical value is unchanged or faint to be changed to when can ignore, and analysis result is shown as at time 0 to t
1between patient sleeps's breathing state be ortho sleep breathing state.In the present embodiment, when the real-time amplitude A of thorax impedance
vrange value A
0and heart beating real-time frequency f
hnumerical value is f
0time, analysis result is shown as at time 0 to t
1or t
2to t
3between patient sleeps's breathing state be ortho sleep breathing state.
When the real-time amplitude A of thorax impedance in section sometime
vrange value diminish gradually and heart beating real-time frequency f
hwhen numerical value becomes large gradually, analysis result is shown as at time t
1to t
2between patient sleeps's breathing state be sleep apnea.In the present embodiment, when the real-time amplitude A of thorax impedance
vrange value be less than A
0and heart beating real-time frequency f
hnumerical value is greater than f
0time, analysis result is shown as at time t
1to t
2between patient sleeps's breathing state be sleep apnea.
This utility model embodiment in actual applications, when patient is in sleep apnea state, the real-time amplitude A of thorax impedance
vwhen just starting to reduce gradually, heart beating real-time frequency f
hcan not be will begin in a minute rising, there will be corresponding delay, and this time delay is Δ t
1.Therefore, at time t
1to t
1between+Δ t, heart beating real-time frequency f
hunchanged or amplitude of variation is faint to ignoring.When patient is in ortho sleep breathing state, in the real-time amplitude A of thorax impedance
vjust start in the process raised gradually, heart beating real-time frequency f
hcan not be will begin in a minute reduction, there will be corresponding delay, and this time delay is Δ t
2.Therefore, at time t
2to t
2between+Δ t, heart beating real-time frequency f
hunchanged or amplitude of variation is faint to ignoring.Δ t time delay is found through continuous testing research
1with Δ t
2be generally 5 ~ 15S.
Foregoing is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (8)
1., based on a Wearable sleep-respiratory condition monitoring system for bio-impedance, comprise the monitoring band (10) for gathering thorax impedance under sleep state and heart rate signal and monitor with described the mobile terminal (20) being with (10) wireless connections; Wherein said monitoring band (10) comprises for the signals collecting box (11) of experimenter's sampling and transmission bioimpedance signal and the fixing band (12) that is connected with described signals collecting box (11), and described mobile terminal comprises data processing unit (21) for carrying out Data Analysis Services by signal collected and the display unit (22) for the thorax impedance after video data processing unit (21) analyzing and processing and heart rate data curve and analysis result.
2. the Wearable sleep-respiratory condition monitoring system based on bio-impedance according to claim 1, is characterized in that, described signals collecting box (11) comprising:
Electrod-array (111), being at least made up of two electrodes contacted with human chest region, being in the bioimpedance signal of the chest under sleep state for gathering human body;
Acquired signal processing module (112), is connected with described electrod-array (111), for gathered bioimpedance signal is converted to digital signal data;
Memory module (113), is connected with described acquired signal processing module (112), for the digital signal data that storage of collected signal processing module (112) is converted to;
Output module (114), is connected with described memory module (113), for described mobile terminal wireless transmission digital signal data or to external equipment output digit signals data;
Power module (115), be connected with described electrod-array (111), acquired signal processing module (112), memory module (113) and output module (114) respectively, for giving connected each module for power supply.
3. the Wearable sleep-respiratory condition monitoring system based on bio-impedance according to claim 2, it is characterized in that, described data processing unit (21) comprising:
Input module (211), receives the digital signal data that described output module (14) transmits;
Data separating module (212), is connected with described input module (211) and for digital signal data being separated into thorax impedance real time data (P1) and heart rate real time data (P2);
Data analysis module (213), is connected with described data separating module (212) and jointly judges the sleep-respiratory state of experimenter according to thorax impedance real time data (P1) and heart rate real time data (P2).
4. the Wearable sleep-respiratory condition monitoring system based on bio-impedance according to claim 2, is characterized in that, described electrod-array (111) is centrosymmetric distribution, wherein electrode size identical and between adjacent electrode spacing equal.
5. the Wearable sleep-respiratory condition monitoring system based on bio-impedance according to claim 2, it is characterized in that, described output module (114) comprises the wireless sending module (1141) and interface (1142) that are connected with described memory module respectively, described wireless sending module (1141) is for described mobile terminal wireless transmission digital signal data, and described interface (1142) is for external equipment output digit signals data.
6. the Wearable sleep-respiratory condition monitoring system based on bio-impedance according to claim 5, it is characterized in that, described wireless module (1141) comprises bluetooth, Wefi sending module, ZigBee sending module or GSM sending module.
7. the Wearable sleep-respiratory condition monitoring system based on bio-impedance according to claim 1, it is characterized in that, described mobile terminal (20) comprises smart mobile phone, panel computer or notebook computer.
8. the Wearable sleep-respiratory condition monitoring system based on bio-impedance according to claim 1, is characterized in that, the connected mode of described signals collecting box (11) and fixing band (12) is for fasten or VELCRO is fitted.
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