CN104771159A - Automatic continuous pulse-wave measurement device and blood-pressure measurement method - Google Patents
Automatic continuous pulse-wave measurement device and blood-pressure measurement method Download PDFInfo
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- CN104771159A CN104771159A CN201410012157.6A CN201410012157A CN104771159A CN 104771159 A CN104771159 A CN 104771159A CN 201410012157 A CN201410012157 A CN 201410012157A CN 104771159 A CN104771159 A CN 104771159A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B7/00—Instruments for auscultation
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Abstract
The invention provides an automatic continuous pulse-wave measurement device. The automatic continuous pulse-wave measurement device comprises an electrocardiogram measurement part, a bioimpedance measurement part, a cardiac sound measurement part, a comprehensive measurement module, a first communication power supply module and a biomeasurement circuit board, wherein the electrocardiogram measurement part is used for examining the electrocardiogram of a detected person; the bioimpedance measurement part is used for measuring the bioimpedance according to the bioimpedance potential difference of the detected person; the cardiac sound measurement part is used for measuring the cardiac sounds of the detected person; the comprehensive measurement module comprises a controller and is used for measuring the state of the cardiovascular system based on a pulse-wave transmission time (PTT') calculated according to an electrocardiogram measurement signal, a bioimpedance measurement signal and a cardiac sound measurement signal; the first communication power supply module comprises a first wireless communication part and a first power supply part supplying power to both the first wireless communication part and the comprehensive measurement module, and the first wireless communication part is electronically connected with the comprehensive measurement module to realize wireless transmission and receiving of signals of the comprehensive measurement module and signals of an external terminal; the biomeasurement circuit board is mounted at the lower parts of the comprehensive measurement module and the first communication power supply module, and comprises bioelectrodes electronically connected with the bioimpedance measurement part. The automatic continuous pulse-wave measurement device can easily and accurately measure the state of the cardiovascular system.
Description
Technical field
The present invention is that measurement cardiovascular system state with no pressure carrys out continuous measurement from the equipment of arteriogram and Measure blood pressure.
Background technology
General measure blood pressure is all use stethoscope and mercury pressure sphygomanometer
Blood vessel sound auscultation measurement method is in upper arm pressurization, is measured by the mode of auscultation with stethoscope blood vessel sound.The crowd used is generally the healthcare givers being subject to Specialized education, and ruck uses more difficult.
Recently in order to family uses, the sphygomanometer utilizing Oscillometric method Measure blood pressure has been put into effect.
Oscillemetric method sphygomanometer is that blood vessel sound measured automatically by machine, and general population uses more convenient.But need the same with mercurial sphygmomanometer pressurizes, and therefore examinee can not feel well, in order to again measure the interval needing to keep a period of time after measuring once in addition, therefore cannot continuous blood pressure measuring.
In order to solve the problem, put into effect as Korean Patent permits " the pulse wave reception and registration speed measuring equipment " of the continuous blood pressure measuring with no pressure of No. 101056016
Pulse wave reception and registration speed measuring equipment is always the equipment of the pulse wave reception and registration speed measuring examinee.Measure the raw body impedance signal measurement section of the raw body impedance signal generated based on the reception and registration electric current of health a part of examinee; Measure the ECG signal measurement section of examinee's ECG signal; And comprise the data processing division that the pulse wave processing examinee based on the above-mentioned raw body impedance signal of process and ECG signal passes on speed, the measurement electric current generating unit that the measurement electric current that raw body impedance signal measurement section measures examinee's health a part generates; Be communicated to the above-mentioned measurement electric current of examinee's health a part, according to the raw body impedance signal electrode section of the potential difference of measurement current detecting examinee's health a part of above-mentioned arrival; The raw body impedance signal amplification portion of amplifying raw body impedance signal is generated according to above-mentioned potential difference; And the raw body impedance signal of filtration provides the handling part of raw body impedance signal to form after restoring above-mentioned raw body impedance signal.
Pass on speed measuring equipment to be utilize ECG signal and raw body impedance signal to obtain the pulse wave tramsfer time by the always pulse wave of above-mentioned composition, this pulse wave tramsfer time is imported to the blood pressure that formula can calculate examinee.
But ECG signal is electronic signal, in fact to heart contraction, considerable time is also had (hereinafter referred to as ' PEP ', Pre-ejection Period), pulse wave is mechanical signal for the signal that blood vessel wall produces, and therefore can produce error based on the electrocardiogram calculating pulse wave tramsfer time.
The always pulse wave in the interval pulse wave tramsfer time therefore utilizing the R peak point of ECG signal to calculate between the peak value of raw body impedance signal passes on speed measuring equipment can there is inaccurate problem to measure pulse wave tramsfer time calculating blood pressure.
And the blood flow volume Stroke Volume etc. that when often returning heart contraction, heart exports cannot be measured.
In order to measure the main equipment that PEP needs high price accurately, just the state therefore only having the place of Special Equipment can check cardiovascular system, examinee is made troubles.
Summary of the invention
(problem that will solve)
The present invention is to solve the problem, the problem solved to measure the cardiovascular status of examinee simple and convenient and accurately, originally production can be manufactured with the one-tenth of cheapness, miniaturization machine is convenient to dress, and can be grasped the state of cardiovascular system easily by the mobile phone of examinee and be provided the method for Measure blood pressure.
(solving the means of problem)
Need to detect the Electrocardiographic ecg measurement portion of examinee to reach above-mentioned problem automatic pulse measurement equipment continuously of the present invention, utilize the raw body impedance measurement portion of potential difference measurement of the raw body impedance of examinee, measure the hear sounds measurement section of detected personnel's hear sounds, comprise the ECG signal measured according to above-mentioned ecg measurement portion, the raw body impedance signal that raw body impedance measurement portion is measured, and the cardiechema signals that hear sounds measurement section is measured is measured the state of the cardiovascular system of detected personnel and comprises the composite measurement module of controller based on the pulse wave tramsfer time (PTT ') calculated, the first wireless communication part information of composite measurement module being sent to exterior terminal wireless receiving and dispatching is connected, to first power supply module for communication in the first Power supply portion that above-mentioned first wireless communication part and measurement module are powered with above-mentioned composite measurement module electronic, and comprise the raw bulk measurement equipment having raw body electrode be connected with raw body impedance measurement portion electronics of above-mentioned composite measurement module and above-mentioned first power supply module for communication.
Above-mentioned controller can calculate pulse wave tramsfer time (PTT ')=PTT – PEP.(PTT is that in above-mentioned ECG signal, R peak value is to the interval between above-mentioned raw body impedance signal peak or minimum point, and PEP is the interval in above-mentioned ECG signal between R peak point and first peak (S1) of above-mentioned cardiechema signals).
Can comprise to fix above-mentioned composite measurement module and the first power supply module for communication at the body measurement position of detected personnel and the chain used.
Above-mentioned raw bulk measurement equipment can be attached to the wrist position of detected personnel.
Above-mentioned first power supply module for communication can depart from from above-mentioned integrated communication module and chain, and Reusability.
Above-mentioned first power supply section can comprise the alarm portion of power supply supply condition.
The ECG electrode of the ECG signal detecting detected personnel is connected with above-mentioned ecg measurement portion electronics, be connected the electrocardio circuit board of the heart sound transducer of the cardiechema signals detecting detected personnel with above-mentioned hear sounds measurement section electronics, above-mentioned electrocardio circuit board can be arranged on the cardia of detected personnel.
Above-mentioned ecg circuit plate comprises the second wireless communication part of ECG signal and cardiechema signals wireless transmission, above-mentioned second wireless communication part, the second communication power module of the second source supply unit that above-mentioned ECG electrode and above-mentioned heart sound transducer are powered.
Above-mentioned second communication power module can from the dismounting of ecg circuit plate, can Reusability.
Above-mentioned second wireless communication part and above-mentioned first wireless communication part are by PAN(Personal AreaNetwork) or BAN(Body Area is Network) communicate.
Above-mentioned controller can obtain the biological information of detected personnel from exterior terminal, measure the state of the cardiovascular system of detected personnel based on the biological information of detected personnel.
Said external terminal is the user mobile phone of detected librarian use, and receives the information of the cardiovascular system state of the personnel of being detected by above-mentioned first wireless communication part or receive by above-mentioned user mobile phone the terminal that detected personnel's feedback information sends the detected personnel of above-mentioned user mobile phone to.
Blood pressure measuring method in example of the present invention comprises the stage of the ECG signal measuring detected personnel; The potential difference of the raw body impedance signal of detected personnel is utilized to carry out the stage of measuring; Measure the stage of detected personnel's cardiechema signals; Based on above-mentioned ECG signal, give birth to body impedance signal, and the pulse wave tramsfer time of cardiechema signals calculating measures the measuring phases of detected personnel's cardiovascular system state, and the pulse wave tramsfer time (PTT ')=PTT – PEP.(PTT is that in above-mentioned ECG signal, R peak value is to the interval between above-mentioned raw body impedance signal peak or minimum point, and PEP is the interval in above-mentioned ECG signal between R peak point and first peak (S1) of above-mentioned cardiechema signals).
Above-mentioned raw body impedance is measured at human body wrist position, and above-mentioned ECG signal is measured at human heart position.
According to the present invention, cardiechema signals, ECG signal, and raw body impedance signal calculates the pulse wave tramsfer time, thus calculate blood pressure, can measure blood pressure data accurately, structure simply can in the simple and easy setting of detected personnel's health.
Relatively simple for structure, therefore manufacturing cost is cheap; Easy to carry, be not subject to the constraint in place can grasp the state of cardiovascular system.
By radio communication, the cardiovascular system state measured is sent to exterior terminal, detected personnel are easily grasped, and the feedback information of healthcare givers can be obtained easily.
Ecg circuit plate and controller can with wirelessly transmitting datas, the equipment damage that therefore can prevent from power line from stirring together occurring.
First wireless communication part can depart from composite measurement module, and having can the advantage of Reusability.
Utilize cardiechema signals and ECG signal to measure PEP, accurately and simply can measure the Stroke Volume that heart often returns.
Accompanying drawing explanation
Fig. 1 represents that automatic pulse measurement equipment connection continuously of the present invention is to the legend of detected personnel's human body;
Fig. 2 is the schematic diagram simply representing the continuous pulse measurement equipment automatically of the present invention;
Fig. 3 is the schematic diagram simply representing the continuous connecting band of pulse measurement equipment automatically of the present invention;
Fig. 4 is the structure composition diagram simply representing the continuous pulse measurement equipment automatically of the present invention;
Fig. 5 simply represents that the ecg circuit of the continuous pulse measurement equipment automatically of the present invention hardens to close second communication power module state;
Fig. 6 is the schematic diagram that the continuous pulse measurement equipment automatically of the present invention communicates with exterior terminal;
Fig. 7 is to illustrate that Measure blood pressure of the present invention represents the figure of the various signals of measurement.
(description of reference numerals)
Detailed description of the invention
Referring to the figure in adnexa, embodiments of the invention is described
First, continuously automatically pulse measurement equipment (100) of the present invention can be detected the state of the cardiovascular system of personnel, such as blood pressure, arteriosclerosis etc. by non-invasive measurement.
Engagement means in the middle of this detailed book can use popular integrated structure, the equipment that the such as male and female such as adhesive tape or button combines or popular binding agent etc.
As Fig. 1 and Fig. 4 represents, automatic pulse measurement equipment (100) continuously of the present invention comprises ecg measurement portion (111).
The electrocardiogram of detected personnel is measured in this ecg measurement portion (111), can measure with the ECG signal of potential difference continuous pulse wave Shape Representation (ECG).
Here electrocardiogram is directed to detected personnel's health 2 positions with galvanometer record according to heartbeat at the myogenetic movable electric current of the heart, represents the record of cardiac activity electric current.
Ecg measurement portion (111) utilizes the ECG electrode being attached to detected personnel's cardia to measure the ECG signal of cardia.
The ECG signal that ecg measurement portion (111) is measured can divide into P ripple, QRS group, T ripple, and the Part I of P ripple represents the de-split pole of right atrium, and the latter half of P ripple represents the de-split pole of left atrium, and P ripple occurs at ventricle abirritation period under normal circumstances.
QRS group with Q ripple, R ripple, the mode of S ripple compound group forms waveform, initial down going wave claims Q ripple, and initial upgoing wave claims R ripple, and the ensuing down going wave of R ripple is called S ripple, QRS at short notice (normal 0.06 second ~ 0.10 second) occurs, the de-split pole of QRS ripple display left atrium.(with reference to figure 7)
T wave table shows the normal classification again in atrium.
This ECG signal can analyze the systematicness of each ripple occurrence frequency, waveform, and wave height etc. grasp the state of heart, utilizes the time of origin of each ripple etc. to obtain beats, calculates Stroke Volume carry hypertensive accuracy according to this heart beating.
Ecg measurement portion (111) can comprise ECG signal amplification portion (111a), ECG signal filter house (111b), and ECG signal converter section (111c), and ecg measurement portion (111) can embody with electronic loop.
ECG signal amplification portion (111a) measurement by magnification can be detected the ECG signal of personnel, ECG signal filter house can eliminate the interference mixed in exaggerated ECG signal, can filter the ECG signal of any frequency to obtain the ECG signal of filtration.
It is digital signal that ECG signal converter section (111c) can change the analogue signal that ECG signal filter house (111b) obtains.
As Fig. 4 represents, automatic pulse measurement equipment (100) continuously of the present invention comprises raw body impedance measurement portion (115).
This raw body impedance measurement portion (115) is detected raw body impedance (BioImpedance) signal of personnel according to potential difference measurement.
Here, raw body impedance signal measures the potential difference according to alternating current change, the volume of disposable measurement blood vessel is beated ripple, and the beat pressure kick ripple of ripple and blood vessel of this volume has the corresponding relation of 1:1, therefore can measure the pulse wave (pulse wave) of pressure kick ripple by volume ripple of beating.
Therefore, raw body impedance signal can grasp the aortic volume of detected personnel, blood flow volume, and blood distributes, Endocrine Activity, the state of the cardiovascular systeies such as the activity of autonomic nervous system.
The raw body electrode (131) being arranged on wrist position that will illustrate below raw body impedance measurement portion (115) preferably uses, obtains raw body impedance signal at wrist position.
Raw body impedance measurement portion (115) sticks 4 raw body electrodes (131) at wrist position, in 4 raw body electrodes (131), the raw body electrode (131) in 2, outside has the frequency of 100kHz, amplitude is that the interchange of several amperes (mA) flows to wrist, and the form that other 2 raw body electrodes (131) measure the electric current of inflow measures raw body impedance.(Fig. 2 to Fig. 4)
Raw body impedance measurement portion (115) comprises biosignal amplification portion (115a), biosignal filter house (115b), and biosignal converter section (115c).Raw body impedance measurement portion can form with electronic loop.
Biosignal amplification portion (115a) can increase the raw body impedance signal obtained from detected personnel, biosignal filter house (115b) can eliminate the interference in the raw body impedance signal amplified in biosignal amplification portion (115a), the impedance signal of any bandwidth can be screened, obtain the raw body impedance signal filtered.
Biosignal converter section (115c) can be converted to digital signal raw for the simulation be filled in biosignal filter house (115b) body impedance signal.
As Fig. 4 represents, the automatic pulse measurement equipment (100) of Automatic continuous of the present invention can comprise hear sounds measurement section (113).
Hear sounds measurement section can measure the cardiechema signals that sound that heart retractor opens shows with continuous pulse wave (pulse wave) form.
Cardiechema signals represents the sound of heart movement, can grasp heartbeat, the state of the cardiovascular systeies such as the exception of heart by cardiechema signals.
Hear sounds measurement section (113) measures the sound of heartbeat by the heart sound transducer being attached to detected personnel's cardia.Heart sound transducer (143) can form with common Mike (microphone) or piezoelectric type (Piezo) material.
Hear sounds measurement section (113) can comprise cardiechema signals amplification portion (113a), cardiechema signals filter house (113b), and cardiechema signals converter section (113c).Hear sounds measurement section (113) can form with electronic loop.
Cardiechema signals amplification portion (113a) can amplify the cardiechema signals obtained from detected personnel, cardiechema signals filter house (113b) can eliminate the interference in the cardiechema signals of amplification, the cardiechema signals etc. of any bandwidth can be screened, obtain the cardiechema signals filtered.
Cardiechema signals converter section (113c) can be converted to digital cardiechema signals the simulation cardiechema signals after cardiechema signals filter house (113c) filtration.
As Fig. 4 represents, automatic pulse measurement equipment (100) continuously of the present invention can comprise controller (117).
This controller (117) can control ecg measurement portion (111), raw body impedance measurement portion (115), and hear sounds measurement section (113).Can analyze the ECG signal that each measurement section (111,113,115) is measured, raw body impedance signal, cardiechema signals etc. grasp the state of the cardiovascular system of detected personnel.
Controller (117) can be the controller (117) of microprocessor form, controller (117) can according to the normal state information (DB) of the cardiovascular system stored, based on the biological information of the detected personnel of exterior terminal input, can contrast or calculate the ECG signal measured from detected personnel, raw body impedance signal, cardiechema signals grasps the state of cardiovascular system.
Citing, the ECG signal that controller (117) is measured with detected personnel, raw body impedance signal, based on cardiechema signals, with the blood pressure measuring method introduced below to measure the blood pressure of detected personnel.
Blood pressure measuring method in the present invention's citing can calculate with formula 1 below.
[formula 1]
PTT’=PTT–PEP
Formula 1 is the formula of deriving the pulse wave tramsfer time (PTT ').
As Fig. 7 represents, the ECG signal of repetition, raw body impedance signal, the peak value R(R Peak of ECG signal in cardiechema signals) be called PTT(Pulsetransit time to the interval of the valley (B) of giving birth to body impedance signal).The peak value R(R Peak of ECG signal) to cardiechema signals peak value (S1) between interval be called PEP(Pre-ejection period).PTT deducts PEP and is set as the pulse wave tramsfer time (PTT '), imports in the middle of formula calculate blood pressure according to the pulse wave tramsfer time (PTT ').
Always company is simply by the peak value R(R Peak of ECG signal) import formula to the interval PTT of the valley (B) of raw body impedance signal and calculate blood pressure.(calculate the formula of blood pressure be known technology do not do specifically tell about)
But the peak value R(R Peak of ECG signal) be electronic signal, in fact arriving heart contraction has suitable time delay, because this time delay, if simply calculating blood pressure with PTT cannot measure blood pressure accurately.
The present invention measures PEP based on the hear sounds time of the actual contraction of heart, deducts this time and calculates blood pressure, calculate blood pressure, therefore can measure blood pressure accurately with the time of the actual contraction of heart from PTT.
The present invention is in order to measure more accurate blood pressure in addition, and controller (117) can 2 calculate with the formula.
[formula 2]
BP=f(PTT ')+f(cardiechema signals)+f(ECG signal)+f(biological information)
Here, BP is blood pressure, and PTT ' is the pulse wave tramsfer time calculated according to formula 1, and according to the heartbeat number of times per minute of cardiechema signals, biological information is the biological information of detected personnel, comprises height, body weight, obese degree, age etc.
In addition, the meaning of '+' is not that all values are added with numeral, but the parameter of deriving with each function to calculate the meaning of blood pressure.
In this way, deriving blood pressure according to formula 2 can according to the biological information of detected personnel, cardiechema signals, and ECG signal derives blood pressure more accurately.
Controller (117) is according to ECG signal in addition, and raw body impedance signal, cardiechema signals grasps the status signal of the cardiovascular system of detected personnel.Controller (117) can carry out the information of the cardiovascular system state of detected personnel to compress or encrypt.
Meanwhile, ecg measurement portion (111), hear sounds measurement section (113), raw body impedance measurement portion (115) and controller (117) can form composite measurement module (110) with electronic loop component form.
As Fig. 4 represents, automatic pulse measurement equipment (100) continuously of the present invention can comprise the first wireless communication part (121).
The exterior terminal (170) will introduced below the signal that this first wireless communication part (121) can be detected the cardiovascular status of personnel the expression that controller is grasped sends to, or the biological information of detected personnel that wireless receiving inputs from exterior terminal (170) is to controller (117).
Now the first wireless communication part (121) and exterior terminal (170) can with WIFI, Bluetooth, Zigbee, NFC, WirelessHART, BAN(human field communicates, body area network), WBAN(wireless human body field communicate), UWB(ultra wideband) etc. PAN(closely personal communication, Personal Area Network) etc. communication communicate.
As Fig. 4 represents, automatic pulse measurement equipment (110) continuously of the present invention can comprise the first power suppling part (113).
This first power suppling part (113) is electronically connected with the first wireless communication part (121) and composite measurement module (110), powers.
Simultaneously the first power suppling part (113) can built-in portable battery, and battery can from the first power suppling part (113) dismounting.Battery can be disposable battery or rechargeable battery.
In addition, the first power suppling part (113) can comprise the alarm portion (125) of battery abnormality, and alarm portion (125) can be that the alarm led lamp of visual form or the sound equipment of audition form form.
First wireless communication part (121) and the first power suppling part (113) can form the first power supply module for communication with same electronic loop modular form.
Here, when the first wireless communication part (121) and the first power suppling part (113) form the first power supply module for communication (120), the first power supply module for communication (120) can charge by dismounting first power suppling part (113).
The splicing ear that now the first power supply module for communication (120) and the first power suppling part (113) can electronically be connected also is form in removable mode certainly.
The automatic pulse measurement equipment (100) continuously of the present invention that Fig. 1 to Fig. 4 represents can comprise raw bulk measurement circuit board (130).
This raw bulk measurement circuit board (130) touches the raw body impedance signal of somatometry.Circuit board can be the form of fabric, and raw bulk measurement circuit board (130) can comprise the raw body electrode (131) be connected with raw body impedance measurement portion (115) electronics.
Meanwhile, the Body contact of raw body electrode (131) and detected personnel is communicated to the alternating current that raw body impedance measurement portion (115) sends the health of detected personnel, can receive the backflow of the alternating current being sent to health.
Raw body electrode (131) in the middle of citing forms with 4 electrodes, in 4 electrodes, 2 electrodes (131) of both sides pass on alternating current, 2 middle raw body electrodes (131) can receive the electric current of inflow, the voltage of the curent change of the electric current that the raw body impedance measurement portion (115) of measurement sends and inflow.
In addition as shown in Figure 2, give birth to bulk measurement circuit board (130) to need to bond form easily at human body and form.In raw bulk measurement circuit board (130), composite measurement module (110) and the first power supply module for communication (120) can form with the form of easy accessibility.
Now raw bulk measurement circuit board (130) and the composite measurement module (110) that top is installed need electronically to be connected splicing ear and removable combination is necessary.
Shown in Fig. 1 to Fig. 4, automatic pulse measurement equipment (100) continuously of the present invention can comprise electrocardio circuit board (140).
This electrocardio circuit board (140) is the health that touches detected personnel to measure electrocardiogram and cardiechema signals.Electrocardio circuit board (140) can comprise according to potential difference obtain ECG signal ECG electrode (141) and acquisition cardiechema signals heart sound transducer (143).
ECG electrode (141) is connected with ecg measurement portion (111) electronics, pass on the electrocardiosignal measured to ecg measurement portion (111), heart sound transducer (143) is connected with hear sounds measurement section (113) electronics, the cardiechema signals measured can be sent to hear sounds measurement section (113).
In addition, ECG electrode (141) is in order to can be even number with potential difference measurement ECG signal.Electrocardio circuit board (140) has bonding to be easy to adhesive layer to easily be fitted in detected personnel's somagenic need.
As shown in Figure 5, electrocardio circuit board (140) can comprise the second communication power module (160) cardiechema signals and ECG signal being sent to composite measurement module (110) simultaneously.Second communication power module (160) can comprise the second wireless communication part (161) and second source supply unit (163).
Second wireless communication part (161) is the part that electrocardio is measured and hear sounds is measured that the middle signal gathered of ECG electrode (141) and heart sound transducer (143) is sent to composite measurement module.
Here, the second wireless communication part (161) is that cardiechema signals and ECG signal send hear sounds measurement and ecg measurement part by the first wireless communication part (121).Second wireless communication part (161) and the first wireless communication part (121) pass through WI-FI, Bluetooth, Zigbee, NFC, WirelessHart, BAN(human field communicates, body area network), WBAN(wireless human body field communicate), UWB(ultra wideband) etc. PAN(closely personal communication, Personal Area Network), Ban or Pan is the most desirable communication.
Second source supply unit (163) is ECG electrode (141), and heart sound transducer (143) and the second wireless communication part (161) provide power supply, and second source supply unit (163) is can dismounting cell.
Here, battery to use disposable battery, or the battery of chargeable recycling.
And second source supply unit (163) comprises alarm portion (not shown).Can be pointed out the abnormal conditions of battery by alarm, alarm prompt can use LED flicker or the mode with sound.
Second communication power module (160) is connected with electrocardio circuit board (140) in addition, and at this moment, second communication power module (160) is connected by the mode of button with electrocardioelectrode and heart sound transducer.
Fig. 3 shows, and the present invention is according to example, and seriality detects radial pulse equipment (100) and comprises watchband (150).
Watchband (150) uses composite measurement module (110) and power supply module for communication composite measurement module and power supply module for communication need be attached to detected personnel's skin, and watchband (150) can use formation of fabrics.
In addition, watchband (150) can be wound around a part for the health of detected personnel, such as, need the chain form around a circle to be formed in wrist.
Here, watchband (150) needs elastic circular chain, or the form of band, and two ends are male and female structure (151) formation, such as double buckle, VELCRO etc.
The middle body of watchband (150) can in conjunction with composite measurement module (110) and the first power supply module for communication (120).
Watchband (150) composite measurement module (110) is that the form of one is formed, and the first power supply module for communication (120) pastes the form needing can change at upper and the first power supply module for communication (120) of composite measurement module (110).
Watchband (150) bottom surface possesses the raw body electrode (131) that raw body impedance measurement position (115) is connected with electric current, raw bulk measurement circuit board (130) form that raw body electrode (131) can be pasted in watchband bottom surface.
Here, when raw bulk measurement circuit board (130) and wrist strap chain (150) are interconnected, raw bulk measurement circuit board (130) and composite measurement module (110) the connection means that the switch that is connected of electric current and life bulk measurement circuit board (130) and wrist strap chain (150) combine mutually form.
Shown by Fig. 4, Fig. 5, Fig. 6, comprise exterior terminal (170) according to the continuous pulse measurement equipment (100) automatically of practical examples of the present invention.
Exterior terminal (170) by the first wireless communication part (121) physical condition of detected personnel is sent to composite measurement module (110) or receives detected personnel's cardiovascular system state status from composite measurement module (110) by the first wireless communication part (121).
In addition, exterior terminal (170) comprises detected staff terminal (171) and feedback terminal (173).
Detected staff terminal (171) is the equipment that detected personnel carry, and is smart mobile phone or panel computer etc.Detected staff terminal (171) receives the cardiovascular system status information that composite measurement module (110) detects, such as: ECG signal, cardiechema signals, raw body impedance signal, the information such as blood pressure, and give detected personnel's display by display.
Feedback terminal (173) is that healthcare givers checks detected personnel's cardiovascular system status information and feeds back to the equipment of detected personnel, received by detected staff terminal (171) or directly received by the first wireless communication part (121) and show to healthcare givers, and according to feeding back to detected staff terminal (Fig. 6) after relevant information analytical data.
Effect between each structure and effect are more than described.
The present invention according to practical examples continuously automatically pulse measurement equipment (100) be composite measurement module (110) and the first power supply module for communication (120) be fixed on raw bulk measurement circuit board (130) time, the raw body electrode (131) of raw bulk measurement circuit board (130) need contact in detected personnel's wrist.
When composite measurement module (110) and the first power supply module for communication (120) combine with watchband (150), raw bulk measurement circuit board (130) is in watchband bottom surface connection status, and raw body electrode needs contact in detected personnel's wrist.
ECG electrode (141) and the heart sound transducer (143) of electrocardio circuit board (140) need be pasted onto detected personnel's cardiac position, and electric wire need be used when electrocardio circuit board (140) is without the need to connecting second communication power module (160) to connect electrocardio circuit board (140) and composite measurement module (110).
Composite measurement module (110) is supplied power to by the first power suppling part (113) in this state, by ECG electrode (141), heart sound transducer (143), and measure ECG signal by raw body electrode (131), cardiechema signals, raw body impedance signal etc.
The ECG signal measured, the amplification portion (111a that cardiechema signals and raw body impedance signal are possessed by each measurement section (111,113,115), 113a, 115a), filter house (111b, 113b, 115b) and converter section (111c, 113c, 115c) be supplied to controller (117)
Here, when electrocardio circuit board (140) has a second communication power module, the ECG signal that electrocardio circuit board (140) is measured and cardiechema signals are sent to controller (117) (Fig. 6) by the second wireless communication part (161) and the first wireless communication part (121).
Detected personnel's biological information that controller (117) is obtained by the first wireless communication part (121) and with cardiovascular system states such as detected personnel's blood pressures of each signal analysis, is sent to detected staff terminal (171) or feedback terminal (173) by the first wireless communication part (121).
The cardiovascular system status information of the detected personnel transmitted from feedback terminal (173) is analyzed by healthcare givers, and feedback information is sent to detected staff terminal (171), so that the judgement cardiovascular system state that detected personnel are clear and definite.
Measure pulse wave equipment (100) according to practical examples of the present invention and pass through cardiechema signals, raw body impedance signal, and analyzing cardiovascular system status information based on ECG signal, and equipment volume is little, easy to carry, no matter where can grasp cardiovascular system status information.
During Measure blood pressure, cardiechema signals, gives birth to based on body impedance signal and ECG signal, Measure blood pressure exactly.
Detected personnel's wrist is with continuous automatic measurement pulse wave equipment (100), so that detected personnel obtain cardiovascular system state.
In addition, the information of the cardiovascular system of the detected personnel of grasp can pass through wireless receiving and transmission, obtains the feedback information of doctor easily.
In addition, electrocardio circuit board (140) and controller (117) wirelessly receive and send, and prevent the destruction that power cord wrap causes.
First wireless communication part (121) can be pasted onto dismounting in composite measurement module (110), can Reusability.
Cardiechema signals and ECG signal measure PEP, calculate accurately and often return heart StrokeVolume.
Though the present invention is described in actual example, should not be defined to the scope of actual example of the present invention, comprise all changes and amendment by this scope of the approved equivalent of those skilled in the art.
Claims (14)
1. a continuous pulse measurement equipment automatically, is characterized in that comprising:
Ecg measurement portion, checks detected personnel's electrocardiogram,
Raw body impedance measurement portion, measures according to described detected personnel raw body impedance electric potential difference,
Hear sounds measurement section, measures described detected personnel's hear sounds,
Composite measurement module, comprise controller, based on pulse wave delivery time of calculating together with the hear sounds measuring-signal of the raw body impedance measurement signal that the ecg measurement signal measured by described ecg measurement portion and described raw body impedance measurement portion are measured and the measurement of described hear sounds measurement section (PTT '), measure cardiovascular system state;
First power supply module for communication, comprise by being connected with described composite measurement module electronic, by first wireless communication part of the signal of described composite measurement module by signal and exterior terminal by WTRU, and power supply is to the first power suppling part of the first wireless communication part and described measurement module;
Raw bulk measurement circuit board, is arranged on described composite measurement module and the first power supply module for communication, and is connected by electronics with described raw body impedance measurement portion, possess raw body electrode.
2. automatic pulse measurement equipment continuously according to claim 1, is characterized in that,
Described controller passes through the following formulae discovery pulse wave delivery time (PTT ')
The pulse wave delivery time (PTT ')=PTT – PEP
(here PTT be described ECG signal R peak value to the interval between described raw body impedance signal peak or minimum point, PEP be described ECG signal R peak value to described cardiechema signals first peak (S1) between interval).
3. automatic pulse measurement equipment continuously according to claim 1, is characterized in that,
Comprise wrist strap, the form be wound with described detected personnel's health part, fixing described composite measurement module and described first power supply module for communication.
4. automatic pulse measurement equipment continuously according to claim 1, is characterized in that,
Described raw bulk measurement circuit board, is attached to described detected personnel's wrist.
5. automatic pulse measurement equipment continuously according to claim 1, is characterized in that,
Described first power supply module for communication, detachably combines reusable with described composite measurement module and wrist strap.
6. automatic pulse measurement equipment continuously according to claim 1, is characterized in that,
Described first power suppling part comprises alarm portion, alarm supply supply status.
7. automatic pulse measurement equipment continuously according to claim 1, is characterized in that,
Comprise ECG electrode, be connected with described ecg measurement portion electronics, the ECG signal detected by the described detected personnel's potential difference of detection; And heart sound transducer, be connected with described hear sounds measurement section electronics, detect described detected personnel's cardiechema signals,
Described electrocardio circuit board is attached to described detected personnel's cardia part.
8. automatic pulse measurement equipment continuously according to claim 7, is characterized in that,
Described electrocardio circuit board, sends ECG signal and cardiechema signals by the second wireless communication part,
Described second wireless communication part, comprises power supply to the described second communication power module of the second source supply unit of described ECG electrode and described heart sound transducer.
9. automatic pulse measurement equipment continuously according to claim 7, is characterized in that,
Described second communication power module releasably combines at described electrocardio circuit board, can re-use.
10. automatic pulse measurement equipment continuously according to claim 7, is characterized in that,
Described second wireless communication part and described first wireless communication part are with PAN(Personal AreaNetwork) or BAN(Body Area Networkd) communicate.
11. automatic pulse measurement equipment continuously according to claim 1, is characterized in that,
Described controller, based on the described detected personnel's biological information inputted from described exterior terminal, checks described detected personnel's cardiovascular system state.
12. automatic pulse measurement equipment continuously according to claim 1, is characterized in that,
Described exterior terminal is the terminal of described detected librarian use, and
By described first wireless communication part directly or received the cardiovascular system state of described detected personnel by user terminal, the feedback information of the described detected personnel obtained is sent to user terminal.
13. 1 kinds of blood pressure measuring methods, comprising:
Measure the stage of detected personnel's ECG signal;
According to the stage of the raw body impedance of described detected personnel's potential difference measurement;
Measure the stage of described detected personnel's cardiechema signals;
According to described ECG signal, described raw body impedance signal, and described cardiechema signals calculated based on acquisition detected personnel's pulse wave tramsfer time, measured the stage of cardiovascular system state;
Described detected personnel's cardiovascular system state measurement stage is with formulae discovery pulse wave tramsfer time below (PTT ') method that is feature Measure blood pressure,
The pulse wave tramsfer time (PTT ')=PTT – PEP
(PTT is the distance between described ECG signal R peak value and described raw body impedance signal peak or minimum point here, and PEP is the interval between described ECG signal peak and cardiechema signals first time peak).
14. blood pressure measuring methods according to claim 13, is characterized in that,
Described raw body impedance detects in detected personnel's wrist,
Described ECG signal detects at detected personnel's cardia.
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