CN101708121A - Earhook type low power consumption physiologic parameter monitoring device - Google Patents
Earhook type low power consumption physiologic parameter monitoring device Download PDFInfo
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- CN101708121A CN101708121A CN200910164609A CN200910164609A CN101708121A CN 101708121 A CN101708121 A CN 101708121A CN 200910164609 A CN200910164609 A CN 200910164609A CN 200910164609 A CN200910164609 A CN 200910164609A CN 101708121 A CN101708121 A CN 101708121A
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Abstract
The invention relates to a physiologic parameter monitoring device comprising a sensor unit, a processing unit and a notification unit; the sensor unit is used for acquiring a biological signal from the surfaces of ears of a user; the processing unit is used for processing the biological signal and outputting physiologic parameters, such as heart rate, heart rate change rate, blood pressure, blood pressure change rate, degree of blood oxygen saturation and body temperature; and the notification unit issues the physiologic parameters in a visual or audio way. The physiologic parameter monitoring device continuously detects one or a plurality of items of physiologic signals and parameters for the user under the condition of not interfering with the daily activities of the user. A power supply of a piezoelectric device of the sensor unit supplies power for the sensor unit by utilizing the piezoelectricity and can be used as a switch of the device and reduce the reliance on to batteries.
Description
Technical field
The present invention relates to technical field of medical instruments, relate in particular to a kind of physiologic parameter monitoring device.
Background technology
According to statistics in recent years, cardiovascular disease becomes No.1 fatal killer.Pointed out by the investigation of World Health Organization's report that the cardiovascular disease death toll accounted for 30% of global somatic death number in 2005, be about more than 1,750 ten thousand people, and estimate that the death toll of cardiovascular disease will continue rising late.In China, the ill situation of cardiovascular disease is also quite serious.Die from cardiovascular disease every year and account for 45% of total death toll, another report points out to be used for the treatment of domestic every year the expense of cardiovascular disease up to 1,300 hundred million RMB.In cardiovascular disease, hypertensive ill situation is especially general, only suffers from hypertension existing 1.6 hundred million people of China.Therefore, develop portable, the Wearable and the monitoring device of important physiological parameters such as monitor heart rate, blood pressure, blood oxygen saturation chronically, help to reduce the sickness rate of cardiovascular disease, thereby alleviate the financial burden that individual and government are used for the cardiovascular disease medical services.
Survey meter of blood pressure roughly is divided into invades and non-intrusion type two classes.The intrusive mood blood pressure measuring method generally is implemented on one's body the patient who undergos surgery, performs the operation later or need profoundly to treat.Because the intrusive mood blood pressure measuring method need directly insert deferent patient's tremulous pulse, thus not only need the professional health care personnel operation when carrying out the intrusive mood blood pressure measurement, and also the wound that causes also increases the risk that patient is subjected to bacterial infection greatly.Therefore, intrusive mood blood pressure measuring method and inapplicable family or need frequently carry out the user of blood pressure measurement.Replace, non-invasion blood pressure monitoring variable instrument is more suitable for the domestic consumer.
Now, Da Bufen non-intrusion type electronic blood pressure monitor needs to be the cuff inflation in use.Cuff formula electric sphygmomanometer adopts succusion to measure blood pressure more, and during use, the user needs an inflatable cuff to be wrapped on the arm, and the electric drive pump is inflated automatically, makes the pressure in the cuff rise to the some values that are higher than systolic pressure, then venting lentamente.Place the pressure transducer in the cuff to detect the interior pressure oscillation of cuff with the decision pressure value.Systolic pressure and mean pressure are respectively to begin to increase and the pressure of pressure oscillation amplitude when reaching maximum when the pressure oscillation amplitude in the cuff.Diastolic pressure is then estimated by systolic pressure and mean pressure.
But cuff formula sphygomanometer generally has following shortcoming:
The first, cuff is inflated seasonal user and is not felt well.Use cuff continually, even may damage the skin histology and the blood vessel of pressurized.
The second, because the cuff inflation needs the time, cuff formula device needs the long period just can finish one-shot measurement, and cuff formula sphygmomanometer can only provide pressure value intermittently.
The 3rd, the design of generally inflating cuff is wrapped on user's the arm or wrist, and the user can only stay off the feet and keep quite during measurement.
The 4th, cuff formula blood pressure measuring device comprises pump and valve, and the meter volume is therefore big and power consumption is high.
Summary of the invention
In view of this, be necessary, a kind of convenient physiologic parameter monitoring device that uses is provided at above-mentioned cuff formula sphygomanometer inconvenient problem with use.
A kind of physiologic parameter monitoring device comprises sensor unit, processing unit and circular unit; Described sensor unit comprises the piezo-electric device power supply; Described sensor unit is used for gathering bio signal from user's ear surface; Described processing unit is handled bio signal, the output physiological parameter; Described circular unit is issued physiological parameter in the mode of vision or audition; Described piezo-electric device power supply is used for pressure is converted into electric energy, for the physiologic parameter monitoring device power supply and as its switch.
Preferably, the carrier of described sensor unit is the article that contact with user's ear.
Preferably, the described article that contact with user's ear are a kind of in ear clip, listener, headband, earphone, ear tube, earmuff, glasses, luntttes, earrings, the sonifer.
Preferably, described piezo-electric device power supply comprises clip and the piezo-electric device that contacts with user's ear, and the pressure that described clip produces makes piezo-electric device produce electric energy.
Preferably, described clip is used to be clipped in user's side door position.
Preferably, described bio signal comprises electrocardiosignal, blood plethysmogram signal, body temperature signal.
Preferably, described physiological parameter comprises heart rate, changes in heart rate rate, blood pressure, blood pressure rate, blood oxygen saturation, body temperature.
Preferably, described sensor unit comprises first biosensor, second biosensor, piezo-electric device power supply and first communication module; Described first biosensor is used to gather blood plethysmogram signal and body temperature signal; Described second biosensor is gathered electrocardiosignal in conjunction with first biosensor; Described piezo-electric device power supply is used for pressure is converted into electric energy, is the sensor unit power supply; Described first communication module is used for transmitting electrocardiosignal, blood plethysmogram signal and body temperature signal to processing unit.
Preferably, described first biosensor comprises electrode, photoelectric sensor, temperature sensor.
Preferably, described second biosensor comprises two electrodes.
Preferably, described processing unit comprises power supply, second communication module, integrated circuit, microprocessing unit; Described power supply is processing unit and the power supply of circular unit; Described second communication module is used to receive bio signal; Described integrated circuit is used for bio signal is carried out signal processing; Described microprocessor is according to the biological signal measuring physiological parameter.
Preferably, described circular unit comprises display unit, phonation unit, input block and forecast unit; Described display unit is issued physiological parameter in the mode of vision; Described phonation unit is issued physiological parameter in the mode of audition; Described input block provides input function for the user; Described forecast unit is used for starting in real time alarm.
Preferably, described processing unit and the unitary carrier of circular are the article with vision or audition circular function.
Preferably, described article with vision or audition circular function are a kind of in wrist-watch, audio player, video player, electronic game machine, laptop computer, palmtop computer, the mobile phone.
Above-mentioned physiologic parameter monitoring device is by the sensor acquisition bio signal, that is to say, pick off only needs body contact can obtain bio signal, does not influence the normal activity of user.And by processing unit bio signal is handled, obtain physiological parameter, by the circular unit physiological parameter is issued in the mode of vision or audition.Therefore, above-mentioned physiologic parameter monitoring device has advantage easy to use.And above-mentioned physiologic parameter monitoring device utilizes piezoelectric principle to power for biosensor, can be used as the switch of device and reduces dependence to battery, reduces power consumption effectively.
Description of drawings
Fig. 1 is the sketch map of physiologic parameter monitoring device first embodiment.
Fig. 2 is the sketch map of first biosensor of Fig. 1.
Fig. 3 is the sketch map of second biosensor of Fig. 1.
Fig. 4 is the sketch map of physiologic parameter monitoring device second embodiment.
Fig. 5 is the sketch map of first biosensor of Fig. 4.
Fig. 6 is the sketch map of second biosensor of Fig. 4.
Fig. 7 is the electrical block diagram of physiologic parameter monitoring device.
The specific embodiment
Fig. 1 is the sketch map of physiologic parameter monitoring device first embodiment.First biosensor 101 of physiologic parameter monitoring device can be placed on left ear or auris dextra position, and second biosensor 102 of physiologic parameter monitoring device can be placed on left hand or right hand position.The measuring position of ear can be side door, ear-lobe, external auditory meatus or auricular concha, and the measuring position of hand can be wrist, finger, forearm or upper arm.The carrier of first biosensor 101 is ear clips, and the carrier of second biosensor 102 is wrist-watches.
Fig. 2 is the sketch map of first biosensor 101 of Fig. 1.Ear clip and skin both sides contact surface are paved into softish sponge cushion 204, avoid causing when wearing for a long time that the user is uncomfortable.Electrode 205 is arranged on the sponge cushion 204, and photoelectric sensor 206 and temperature sensor 207 then are arranged on another sponge cushion 204.Electrode 205 can be electronic fabric or metal electrode.Be to increase the flexibility of electrode 205, electrode 205 be preferential selection with the electronic fabric.Photoelectric sensor 206 comprises optical transmitting set and photoelectric sensor.Photoelectric sensor 206 and temperature sensor 207 are respectively applied for measures blood plethysmogram signal and body temperature signal.When optical transmitting set was pressed close to the side door surface of user mutually with photoelectric sensor, the light of optical transmitting set emission can be organized reflection, transmission or scattering by the person, and photoelectric sensor receives the light that sees through or reflect.The photoelectric sensor 206 preferred reflective-modes that adopt.The shell of first biosensor 200 is real color plastics, is preferential the selection with black, to reduce the influence of surround lighting to the blood plethysmogram signal.
The pressure that the piezo-electric device power supply 208 of physiologic parameter monitoring device utilizes ear clip to produce is converted into electric energy, for photoelectric sensor 206 power supplies and as the automatic interrupter of signal measurement.
Battery supply, minitype circuit board and communication module also are installed in the ear clip, and battery supply is used to minitype circuit board and communication module that electric energy is provided.Ear clip also is provided with undercut, is used to collect the electric wire 210 of connection electrode 205, minitype circuit board, communication module.After the user put on ear clip, the pressure that ear clip produces made piezo-electric device power supply 208 produce electric energy to start photoelectric sensor 206.If piezo-electric device power supply 208 can provide enough power supplys, the battery supply in the ear clip can omit.
Fig. 3 is the sketch map of second biosensor 102 of Fig. 1.Second biosensor 102 comprises 301, two electrodes 301 of two electrodes are used for gathering human body together with the electrode 205 of first biosensor 101 electrocardiosignal.These two electrodes 301 can be placed on the surface of the table back of the body 302 of wrist-watch 300 or watchband 303, allow two electrodes 301 and user's wrist skin be close to mutually.If electrode 301 is contained on the table back of the body 302, electrode 301 can be two nugget genus electrodes, and the remainder of the table back of the body 302 is necessary for Insulating Materials.Two nugget genus electrodes are connected with minitype circuit board in the interior plant wrist-watch.If electrode 301 is contained on the watchband 303,301 at electrode uses softish electronic fabric to make, and the remainder of watchband 303 is necessary for Insulating Materials.Electrode 301 is by hiding the minitype circuit board in the electric wire connection wrist-watch in watchband 303.
Fig. 4 is the sketch map of physiologic parameter monitoring device second embodiment.First biosensor 401 and second biosensor 402 of physiologic parameter monitoring device are placed on left ear and auris dextra respectively.The measuring position can be side door, ear-lobe, external auditory meatus or auricular concha.In the present embodiment, be carrier with the audio player, therefore, the carrier of first biosensor 401 can be left ear listener or auris dextra listener, corresponding, the carrier of second biosensor 402 can be auris dextra listener or left ear listener.The shell of left side ear listener and auris dextra listener adopts softish material to make, and makes pick off can be close to user's side door and external auditory meatus position.
Fig. 5 is the sketch map of first biosensor 401 of Fig. 4.First biosensor 401 comprises electrode 502, photoelectric sensor 503 and temperature sensor 504.Electrode 502 is installed in the position of external auditory meatus, and photoelectric sensor 503 is placed on the position of side door to measure the blood plethysmogram signal, and temperature sensor 504 is installed in the below of listener and tests body temperature.
In addition, also be provided with clip 505, the softish crossette that clips the user a side who presses close to side door 501.The color of clip with black for paying the utmost attention to, to reduce the influence of surround lighting to the blood plethysmogram signal.The pressure that clip 505 produces is for piezo-electric device power supply 506 provides electric energy, is used to photoelectric sensor 503 power supplies and as the automatic interrupter of signal measurement.
Fig. 6 is the sketch map of second biosensor 402 of Fig. 4.Second biosensor 402 comprises two electrodes 602, is placed on external auditory meatus and the position of pressing close to side door respectively.The electrode 602 of second biosensor 402 is measured electrocardiosignal together with the electrode 502 of first biosensor.Electrode 502,602 can be metal material or electronic fabric.For avoiding injuring user's ear, the preferred electron fabric is the material of electrode 502,602.The shell of listener is real color plastics materials.First biosensor 401 is connected in wired or wireless mode with audio player with second biosensor 402, and the physiological signal that detects is sent to the audio player processing.
Fig. 7 is the electrical block diagram of physiologic parameter monitoring device.Physiologic parameter monitoring device comprises sensor unit, processing unit and circular unit.Sensor unit comprises first biosensor, second biosensor, piezo-electric device power supply and first communication module.Processing unit comprises power supply, second communication module, integrated circuit, microprocessing unit.The circular unit comprises display unit, phonation unit, input block and forecast unit.
In the first embodiment, the carrier of sensor unit is wrist-watch and ear clip, processing unit and to circulate a notice of unitary carrier be wrist-watch.In second embodiment, the carrier of sensor unit is the left ear listener and the auris dextra listener of audio player, and processing unit and the unitary carrier of circular are the main bodys of audio player.In addition, the carrier of sensor unit can also be the article that headband, earphone, ear tube, earmuff, glasses, luntttes, earrings, sonifer etc. contact with user's ear.Processing unit and the unitary carrier of circular can also be the personal belongings that video player, electronic game machine, laptop computer, palmtop computer, mobile phone etc. have vision or audition circular function.
When the user uses physiologic parameter monitoring device, notice that all biosensors in the sensor unit must be close to user's skin, and start power supply.Piezo-electric device power supply in the sensor unit produces electric energy because of pressure, enabling signal detects automatically, and is part or all of biosensor power supply.Photoelectric sensor in the biosensor is measured the blood plethysmogram signal continuously, and temperature sensor detects the body temperature signal discontinuously.
Simultaneously, electrode is measured electrocardiosignal continuously.First communication module is sent to processing unit and circular unit to three bio signals by the measuring position, to carry out signal processing and to detect physiological parameter.In the first embodiment, wrist-watch is connected with wireless mode with ear clip, and is equipped with piezo-electric device power supply and power supply respectively at sensor unit and processing unit.Power supply is processing unit and the power supply of circular unit simultaneously.In second embodiment, the sensor unit of listener can be that wired or wireless communication modes is connected with the processing unit of main body.If listener is connected with wire communication mode with main body, power supply can be shared in sensor unit, processing unit and circular unit, the piezo-electric device power supply becomes the device switch.If listener is connected with wireless communication mode with main body, the piezo-electric device power supply can be partly or entirely biosensor power supply, and power supply can be shared in processing unit and circular unit.
After second communication module of processing unit received bio signal, this bio signal can be through integrated circuit to carry out signal processing (comprising that signal amplifies and filtering, to remove noise and to improve signal to noise ratio).The wire communication mode of first communication module and second communication module comprises uses electric wire as material, and wireless communication mode then can be other wireless communication methods such as bluetooth, UWB, WiFi, ZigBee or WLAN.Will be through the bio signal after amplification and the Filtering Processing by the microprocessor in the processing unit from the various physiological parameters of detected biological signal measuring (comprising heart rate, changes in heart rate rate, blood pressure, blood pressure rate, blood oxygen saturation and body temperature).These physiological parameters can be issued with vision or audible means at display unit in the circular unit and phonation unit.Display unit comprises that display screen, an input block are provided with simple button and provide input function for the user.Phonation unit is provided with and rings the device that makes a noise, and measures the result of physiological parameter with announcement.In addition, the circular unit also comprises the forecast unit, and when undesired situation appearred in detected one or above physiological parameter, the forecast unit started alarm in real time, with the indication user situation of looking after one's health.
The present invention mainly utilizes blood plethysmogram signal, electrocardiosignal and the various physiological parameter of body temperature calculated signals.For example, heart rate can be calculated from the interval of electrocardiosignal R ripple.The changes in heart rate rate can be in the heart rate of each cardiac cycle statistics, as a standard deviation that connects the heart rate of several cardiac cycles.The pulse wave transmission time measurement that blood pressure can be obtained by electrocardiosignal and blood plethysmogram signal.The pulse wave transmission time can be determined by the reference point on the detected pulse wave of blood plethysmogram signal in reference point on the electrocardiosignal and the same cardiac cycle.Before utilizing pulse wave transmission time measurement blood pressure, the user need carry out than quasi-ordering to obtain one or above individual coefficient.The blood pressure rate can be whenever fight blood pressure differ or the fixed time at interval in, as the standard deviation of blood pressure of several cardiac cycles of each minute.Blood oxygen saturation can measure from the blood plethysmogram signal.
Above-mentioned physiologic parameter monitoring device is monitored multinomial individual physiological parameter with lossless manner.Above-mentioned physiologic parameter monitoring device preferably detects needed physiological signal from the user side door, in use for the user brings convenience, needing to be suitable for often measuring blood pressure and the special personage's (as older old man, cardiovascular patient etc.) who looks after.In addition, above-mentioned physiologic parameter monitoring device is provided with the piezo-electric device power supply, can be the power supply of part or all of biosensor and as the switch of device, reduces power consumption and to the dependence of battery.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (14)
1. a physiologic parameter monitoring device is characterized in that: comprise sensor unit, processing unit and circular unit; Described sensor unit comprises the piezo-electric device power supply; Described sensor unit is used for gathering bio signal from user's ear surface; Described processing unit is handled bio signal, the output physiological parameter; Described circular unit is issued physiological parameter in the mode of vision or audition; Described piezo-electric device power supply is used for pressure is converted into electric energy, for the physiologic parameter monitoring device power supply and as its switch.
2. physiologic parameter monitoring device as claimed in claim 1 is characterized in that: the carrier of described sensor unit is the article that contact with user's ear.
3. physiologic parameter monitoring device as claimed in claim 2 is characterized in that: the described article that contact with user's ear are a kind of in ear clip, listener, headband, earphone, ear tube, earmuff, glasses, luntttes, earrings, the sonifer.
4. physiologic parameter monitoring device as claimed in claim 1 is characterized in that: described piezo-electric device power supply comprises clip and the piezo-electric device that contacts with user's ear, and the pressure that described clip produces makes piezo-electric device produce electric energy.
5. physiologic parameter monitoring device as claimed in claim 4 is characterized in that: described clip is used to be clipped in user's side door position.
6. physiologic parameter monitoring device as claimed in claim 1 is characterized in that: described bio signal comprises electrocardiosignal, blood plethysmogram signal, body temperature signal.
7. physiologic parameter monitoring device as claimed in claim 1 is characterized in that: described physiological parameter comprises heart rate, changes in heart rate rate, blood pressure, blood pressure rate, blood oxygen saturation, body temperature.
8. physiologic parameter monitoring device as claimed in claim 1 is characterized in that: described sensor unit comprises first biosensor, second biosensor, piezo-electric device power supply and first communication module; Described first biosensor is used to gather blood plethysmogram signal and body temperature signal; Described second biosensor is gathered electrocardiosignal in conjunction with first biosensor; Described piezo-electric device power supply is used for pressure is converted into electric energy, is the sensor unit power supply; Described first communication module is used for transmitting electrocardiosignal, blood plethysmogram signal and body temperature signal to processing unit.
9. physiologic parameter monitoring device as claimed in claim 8 is characterized in that: described first biosensor comprises electrode, photoelectric sensor, temperature sensor.
10. physiologic parameter monitoring device as claimed in claim 8 is characterized in that: described second biosensor comprises two electrodes.
11. physiologic parameter monitoring device as claimed in claim 1 is characterized in that: described processing unit comprises power supply, second communication module, integrated circuit, microprocessing unit; Described power supply is processing unit and the power supply of circular unit; Described second communication module is used to receive bio signal; Described integrated circuit is used for bio signal is carried out signal processing; Described microprocessor is according to the biological signal measuring physiological parameter.
12. physiologic parameter monitoring device as claimed in claim 1 is characterized in that: described circular unit comprises display unit, phonation unit, input block and forecast unit; Described display unit is issued physiological parameter in the mode of vision; Described phonation unit is issued physiological parameter in the mode of audition; Described input block provides input function for the user; Described forecast unit is used for starting in real time alarm.
13. physiologic parameter monitoring device as claimed in claim 1 is characterized in that: described processing unit and the unitary carrier of circular are the article with vision or audition circular function.
14. physiologic parameter monitoring device as claimed in claim 13 is characterized in that: described article with vision or audition circular function are a kind of in wrist-watch, audio player, video player, electronic game machine, laptop computer, palmtop computer, the mobile phone.
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| CN2009101646091A CN101708121B (en) | 2009-07-15 | 2009-07-15 | Earhook type low power consumption physiologic parameter monitoring device |
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| CN2009101646091A CN101708121B (en) | 2009-07-15 | 2009-07-15 | Earhook type low power consumption physiologic parameter monitoring device |
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2009
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