CN110448279A - A kind of heart frequency spectrum sphygmomanometer and heart frequency spectrum detection system - Google Patents
A kind of heart frequency spectrum sphygmomanometer and heart frequency spectrum detection system Download PDFInfo
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- CN110448279A CN110448279A CN201910882467.6A CN201910882467A CN110448279A CN 110448279 A CN110448279 A CN 110448279A CN 201910882467 A CN201910882467 A CN 201910882467A CN 110448279 A CN110448279 A CN 110448279A
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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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- 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
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- 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
- A61B5/02141—Details of apparatus construction, e.g. pump units or housings therefor, cuff pressurising systems, arrangements of fluid conduits or circuits
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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
- A61B5/022—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
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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
- A61B5/022—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
- A61B5/02233—Occluders specially adapted therefor
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- A—HUMAN NECESSITIES
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/7465—Arrangements for interactive communication between patient and care services, e.g. by using a telephone network
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/02—Operational features
- A61B2560/0223—Operational features of calibration, e.g. protocols for calibrating sensors
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Abstract
A kind of heart frequency spectrum sphygmomanometer of the present invention and heart frequency spectrum detection system, heart frequency spectrum sphygmomanometer include: cuff, inflator pump, main electronic circuit board, front housing, rear shell and cuff connection buckle；Front housing is fixedly connected with rear shell and forms closed inner space；Inflator pump and main electronic circuit board are built in inner space respectively；Cuff connection buckle is arranged in rear shell, and cuff is connect with cuff connection buckle；It is pressurizeed by inflator pump to cuff inflation, cuff is allowed to perceive human body upper arm artery blood pressure values and pulse signal, and Master control chip is transmitted to by primary pressure sensor by air-channel system, and all health parameters tested are handled and are carried out comprehensive score, it is final to give with an appraisal result.The present invention can carry out self detection of accuracy and be automatically corrected when being switched on each time, it does not need to send original producer's progress secondary correction back to, it is easy to use, and by using single control unit and the design method of single pressure sensor, reduce manufacturing cost.
Description
Technical field
The present invention relates to medical instruments fields, more specifically to a kind of heart frequency spectrum sphygmomanometer and heart frequency spectrum
Detection system.
Background technique
Cardiovascular and cerebrovascular disease is the general designation of cardiovascular and cranial vascular disease, is referred to since hyperlipidemia, blood are sticky, dynamic
The ischemic or hemorrhagic disease that heart caused by pulse atherosclerosis, hypertension etc., brain and body tissue occur.Heart and brain blood
Pipe disease is that one kind seriously threatens the mankind, and the common disease of especially 50 years old or more middle-aged and the old's health has high illness rate, high cause
The characteristics of residual rate and high mortality, even if the treatment means that application is most advanced, perfect at present, can still there is 50% or more the cerebrovascular
It is unexpected that survivor's life cannot take care of oneself completely；WHO Report in 2000, global 17,000,000 people die of cardiovascular disease,
Account for the one third of the various causes of death, based on this situation, engineers have devised it is various can heart frequency spectrum blood pressure
Meter or program, however in the designs, all there is apparent defects: traditional electronic sphygmomanometer is when ordinary user buys back
Family in the process used, as fruit product by it is serious beat and fall or product itself inside stress release
The measurement accuracy of sphygmomanometer will be caused to deviate standard of tolerance range, then past way is merely able to send sphygmomanometer back to original
Beginning manufacturer carries out two secondary accuracy corrections in pressure correction platform, and such time and effort consuming is very inconvenient, and increases and produce
The logistics cost that product are sent back and forth.In addition, traditional equipment on the market is in order to realize the automatic correction skill of heart frequency spectrum sphygmomanometer
Art, it is desirable to which the hardware material cost of double MCU control units and dual pressure sensor Sensor, product improve 30%, phase
The price answered can also improve.
Currently existing scheme has the following disadvantages:
1. the hardware material cost of product is high, corresponding price can also be improved；
2. product by it is serious beat and fall or product itself inside stress release can all lead to sphygmomanometer
Measurement accuracy deviate standard of tolerance range, can only by by sphygmomanometer send back to original manufacturer's man pressure correction platform into
The correction of two secondary accuracy of row, such time and effort consuming is very inconvenient, and increases the logistics cost that product is sent back and forth.
Summary of the invention
The technical problem to be solved in the present invention is that sphygmomanometer can only be by sending sphygmomanometer back in prior art designs for solution
Original manufacturer's man, which carries out the correction of two secondary accuracies in pressure correction platform, leads to problem and product at high cost and inconvenient
Hardware material cost is high, problem that price is high.
The technical solution adopted by the present invention to solve the technical problems is: constructing a kind of heart frequency spectrum sphygmomanometer and heart
Frequency spectrum detection system, Master control chip refer to when being switched on each time to primary pressure sensor and auxiliary pressure sensor sending
It enables, so that primary pressure sensor and auxiliary pressure sensor is carried out the comparison of pressure value, DSP is controlled if comparing result has profit and loss
Unit can be attributed to accurately automatically according to profit and loss numerical value by sphygmomanometer, to realize the function of automatic correction, not need to return factory's progress two
Secondary calibration, it is practical and conveniently, and heart frequency spectrum blood can be realized by a control unit and a primary pressure sensor
The automatic correction function of pressing meter, reduces costs.
In a kind of heart frequency spectrum sphygmomanometer of the present invention, comprising: cuff, inflator pump, main electronic circuit board, preceding
Shell, rear shell and cuff connection buckle；
Front housing is fixedly connected with rear shell and forms closed inner space；
Inflator pump and main electronic circuit board are built in inner space respectively；
Cuff connection buckle is arranged in rear shell, and cuff is connect with cuff connection buckle.
In a kind of heart frequency spectrum sphygmomanometer of the present invention, main electronic circuit board further include: Master control chip and master
Pressure sensor；
Master control chip and primary pressure sensor are separately mounted on main electronic circuit board.
It further include DSP unit, DSP unit is mounted on main electronics in a kind of heart frequency spectrum sphygmomanometer of the present invention
On wiring board.
In a kind of heart frequency spectrum sphygmomanometer of the present invention, DSP unit further include: DSP control unit and auxiliary pressure
Force snesor；
DSP control unit and auxiliary pressure sensor are separately mounted on DSP unit.
It further include bluetooth module, bluetooth module is embedded in main line in a kind of heart frequency spectrum sphygmomanometer of the present invention
In the plate of road.
It further include having display screen in a kind of heart frequency spectrum sphygmomanometer of the present invention；
Display screen is mounted on the outer surface of front housing.
It further include press button mechanism in a kind of heart frequency spectrum sphygmomanometer of the present invention, press button mechanism is arranged in front housing
Outer surface on.
In a kind of heart frequency spectrum sphygmomanometer of the present invention, further includes: battery and battery settling groove, battery settling groove
It is arranged in rear shell bottom end, battery is built in battery settling groove.
In a kind of heart frequency spectrum sphygmomanometer of the present invention, further includes: battery cover board, battery cover board lid are mounted in battery
On mounting groove, and battery is pressed in battery settling groove.
In a kind of heart frequency spectrum sphygmomanometer of the present invention, the left side or right side of rear shell is arranged in cuff connection buckle
On face；
At least provided with a cuff connection buckle on the left side and right side of rear shell.
In a kind of heart frequency spectrum detection system of the invention, comprising the following steps:
S1 is pressurizeed by inflator pump to cuff inflation, and cuff is allowed to perceive human body upper arm artery blood pressure values and pulse letter
Number；
S2 cuff 1 perceives human body upper arm artery blood pressure values and pulse signal and is sensed by air-channel system by principal pressure
Device is transmitted to Master control chip, and measures basic blood pressure parameter；
S3 Master control chip carries out operation to the blood pressure values and pulse signal received, after amplification and filtering processing
Pulse waveform is formed, and sends pulse waveform to DSP control unit；
S4 DSP control unit is decoded pulse waveform, obtains interpreting cardiovascular health parameter from time field,
Thus the long-term clinical experience of foundation medical technicians obtains the cardiovascular health parameter of user again；
And secondary operation is carried out to pulse waveform, energy frequency figure, the i.e. heart are changed by Fast Fourier Transform (FFT)
Dirty spectrum waveform figure；
For S5 observation heart frequency spectrum waveform diagram to determine whether there is abnormal frequency, i.e., it is miscellaneous to interpret heartbeat from frequency field
Interrogate parameter；
S6 is wirelessly transmitted to by all health parameters for testing heart frequency spectrum sphygmomanometer by bluetooth module
In cell phone application, comprehensive score is carried out to whole health parameters by cell phone application with hundred-mark system, it is final to an appraisal result, and
Give user corresponding guidance of seeing a doctor.
In a kind of heart frequency spectrum detection system of the invention, the principle of automatic correction technology is as follows:
The accurate datum mark for the auxiliary pressure sensor calibrated is stored in DSP control unit, when heart frequency spectrum blood
When pressure meter is switched on each time, Master control chip provides instruction, and the pressure value for allowing primary pressure sensor to perceive is gone with
The datum mark of the auxiliary pressure sensor of storage carries out pressure comparison, and when result equity, then sphygmomanometer execution starts to measure blood pressure
Instruction；When comparing result has profit and loss, then DSP control unit can allow automatically according to the automatic compensated foundation pressure value of profit and loss numerical value
Sphygmomanometer is attributed to accurately；Compensation complete then DSP control unit can provide instruction allow Master control chip start execute measurement sphygmomanometer
Movement.
It further include interpreting cardiovascular health parameter from time field in a kind of heart frequency spectrum detection system of the invention
Function, principle are as follows:
DSP control unit is decoded pulse waveform, and obtains the time parameter of heartbeat, and parameter includes: every
Twice the time required for pulse, whether having cardiac arrhythmia, atrioventricular node, whether blood supply is sound, whether the work of atrioventricular node valve normal
And Coronary Artery Atherosclerosis, ventricle whether ischemic or angiemphraxis degree；
Further include the function that heartbeat noise parameter is interpreted from frequency field, principle is as follows:
Heart frequency spectrum waveform diagram is observed to determine whether there is abnormal frequency, abnormal frequency is other than basic frequency
Heart noise simultaneously can be quantified as heart noise figure；
The region that first frequency region is ± 0.5 frequency multiplication section of the first dominant frequency of palmic rate is defined, second frequency region is
The region in ± 0.5 frequency multiplication section of the second dominant frequency of palmic rate, third frequency field are ± 0.5 frequency multiplication area of palmic rate third dominant frequency
Between region；
Its cardiac noise figure I1 is the summation of noise number in first frequency region, and heart noise figure I2 is the second frequency
The summation of noise number in rate region, heart noise figure I3 are the summation of noise number in third frequency field, heart noise figure I
Ndex=I 1+I2+I 3；
Other spike numbers of 1/20 intensity that noise is each area's dominant frequency amplitude or more are defined, proportionality coefficient: 1/20 is by going
Except being stipulated after background noise.
It further include the scoring system of Comprehensive Assessment user health value-at-risk in a kind of heart frequency spectrum detection system of the invention
System, the principle is as follows:
According to clinical data, the basic blood pressure parameter that heart frequency spectrum sphygmomanometer is tested is interpreted from time field
Cardiovascular health parameter and heartbeat noise parameter is interpreted from frequency field cell phone application is wirelessly transmitted to by bluetooth module
On, and comprehensive score is carried out to whole parameters by cell phone application with hundred-mark system, an appraisal result is finally provided, and give user's phase
The medical treatment guidance answered；
Basic blood pressure parameter includes: systolic pressure parameter, diastolic pressure parameter, mean pressure parameter, pulse pressure difference parameter and pulse ginseng
Number；
Interpreting cardiovascular health parameter from time field includes: that heart rate parameter, the rhythm of the heart variation value parameter, heart valve diastole are closed
Close time parameter, left ventricular contraction time parameter and left ventricle isovolumic contraction time parameter；
From frequency field interpret heartbeat noise parameter include: cardiac arrhythmia noise number parameter, valve noise number parameter,
Coronary artery noise number parameter, atrial fibrillation parameter and cardiac ejection index parameters.
According to the present invention of above scheme, the beneficial effect is that, the present invention provides a kind of heart frequency spectrum sphygmomanometer with
And heart frequency spectrum detection system, a kind of heart frequency spectrum sphygmomanometer is constructed, Master control chip is passed when being switched on each time to principal pressure
Sensor and auxiliary pressure sensor issue instruction, and primary pressure sensor and auxiliary pressure sensor is made to carry out pair of pressure value
Than DSP control unit can be attributed to accurately automatically according to profit and loss numerical value by sphygmomanometer if comparing result has profit and loss, automatic to realize
The function of correction does not need to return factory and carries out secondary calibration, practical and conveniently, and passes through a control unit and a principal pressure
Sensor can realize the automatic correction function of heart frequency spectrum sphygmomanometer, reduce costs, while can also will be collected
All health parameters carry out comprehensive score to whole parameters by cell phone application, finally provide an appraisal result, and corresponding to user
Medical treatment guidance, it is very useful, it is powerful.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is a kind of exploded view of heart frequency spectrum sphygmomanometer of the invention；
Fig. 2 is a kind of armband front view of heart frequency spectrum sphygmomanometer of the invention；
Fig. 3 is a kind of overall perspective view of heart frequency spectrum sphygmomanometer of the invention；
Fig. 4 is a kind of Master control chip first part circuit structure diagram of heart frequency spectrum sphygmomanometer of the invention；
Fig. 5 is a kind of heart frequency spectrum waveform sample figure of heart frequency spectrum sphygmomanometer of the invention；
Fig. 6 is a kind of DSP control unit circuit configuration figure of heart frequency spectrum sphygmomanometer of the invention；
Fig. 7 is a kind of Master control chip second part circuit structure diagram of heart frequency spectrum sphygmomanometer of the invention；
Fig. 8 is a kind of Master control chip Part III circuit structure diagram of heart frequency spectrum sphygmomanometer of the invention；
Fig. 9 is the Sing plus pulse waveform that a kind of heart frequency spectrum detection system of the invention forms certain pulse
The pulse waveform figure for amplifying and being formed after decoding；
Figure 10 is a kind of pulse of heart frequency spectrum detection system of the invention before by fast Fourier transform (FFT)
Wave waveform diagram；
Figure 11 is a kind of heart of heart frequency spectrum detection system of the invention after by fast Fourier transform (FFT)
Spectrum waveform figure；
Figure 12 is a kind of points-scoring system of heart frequency spectrum detection system Comprehensive Assessment user health value-at-risk of the invention
Scoring diagram.
1, cuff；2, inflator pump；3, main electronic circuit board；4, DPS control unit；5, bluetooth module；8, front housing；9, after
Shell；10, display screen；11, press button mechanism；12, battery cover board；13, cuff connection buckle；31, Master control chip；32, principal pressure passes
Sensor；41, DSP control unit；42, auxiliary pressure sensor.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1, a kind of heart frequency spectrum sphygmomanometer, comprising: cuff 1, inflator pump 2, main electronic circuit board 3, front housing 8,
Rear shell 9 and cuff connection buckle 13；
Front housing 8 is fixedly connected with rear shell 9 and forms closed inner space；
Inflator pump 2 and main electronic circuit board 3 are built in inner space respectively；
Cuff connection buckle 13 is arranged in rear shell 9, and cuff 1 is connect with cuff connection buckle 9.
Further, inflator pump 2 is used to inflate to cuff 1, in use, starting inflator pump inflates air in cuff 1
Make its expansion and stirrup user's arm.
Further, main electronic circuit board 3 further include: Master control chip 31 and primary pressure sensor 32；
Master control chip 31 and primary pressure sensor 32 are separately mounted on main electronic circuit board 3.
It further, further include DSP unit 4, DSP unit 4 is mounted on main electronic circuit board 3.
Further, DSP unit 4 further include: DSP control unit 41 and auxiliary pressure sensor 42；
DSP control unit 41 and auxiliary pressure sensor 42 are separately mounted on DSP unit 4.
It further, further include bluetooth module 5, bluetooth module 5 is embedded in main circuit board 3.
Further, bluetooth module 5 for wireless connection mobile phone perhaps other mobile terminals can by mobile phone or
Other mobile terminals are installed matching software and are controlled heart frequency spectrum sphygmomanometer, to realize wireless control function.
It further, further include having display screen 10；Display screen 10 is mounted on the outer surface of front housing 8.
It further, further include press button mechanism 11, press button mechanism 11 is arranged on the outer surface of front housing 8.
Further, user can be by operation button mechanism 11 come to the heart frequency spectrum sphygmomanometer in the present embodiment
It is manipulated.
Further, further includes: battery and battery settling groove, battery settling groove are arranged in 9 bottom end of rear shell, and battery is built in
In battery settling groove.
Further, further includes: battery cover board 12, the lid of battery cover board 12 compress battery on battery settling groove
In in battery settling groove.
Further, cuff connection buckle 13 is arranged on the left side or right side of rear shell 9；
At least provided with a cuff connection buckle 13 on the left side and right side of rear shell 9.
Further, the working principle of heart frequency spectrum sphygmomanometer is to allow sleeve to 1 inflating pressure of cuff by inflator pump 2
The human body upper arm artery blood pressure values and pulse signal perceived with 1 are transmitted to master control by primary pressure sensor 32 by air-channel system
Coremaking piece 31, Master control chip 31 carries out operation amplifier to the signal that receives and filtering processing formed pulse waveform and by this
Waveform sends digital processing chip, i.e. DSP control unit 41 to, is decoded by DSP control unit 41 to pulse waveform, by
The long-term clinical experience of foundation medical technicians obtains the cardiovascular health parameter of user again for this.
Further, when heart frequency spectrum sphygmomanometer is when manufacturer's pressure correction platform carries out the correction of pressure accuracy
It waits, needs primary pressure sensor primary pressure sensor 32 and auxiliary pressure sensor 42 all carrying out pressure correction, while will be auxiliary
The accurate datum mark of pressing aid force snesor 42 is stored in DSP control unit 41, then this datum mark will not be by extraneous ring
The variation in border and change, then Master control chip 31 provides instruction when heart frequency spectrum sphygmomanometer is switched on each time, allow master
The pressure value that pressure sensor 32 perceives goes to carry out pressure comparison with stored auxiliary pressure sensor 42, when result pair
Deng, then sphygmomanometer execution starts measure blood pressure instruction；When comparing result has profit and loss, then DSP control unit 41 can be automatically according to being full of
The automatic compensated foundation pressure value of dificiency value is attributed to accurately by sphygmomanometer；Then DSP control unit 41 is completed in compensation can provide instruction
It allows Master control chip 31 to start to execute measurement sphygmomanometer movement, that is, realizes automatic correction function.
Further, a kind of heart frequency spectrum detection system, comprising the following steps:
S1 gives 1 inflating pressure of cuff by inflator pump 2, and cuff 1 is allowed to perceive human body upper arm artery blood pressure values and pulse
Signal；
S2 cuff 1 perceives human body upper arm artery blood pressure values and pulse signal and is sensed by air-channel system by principal pressure
Device 32 is transmitted to Master control chip 31, and measures basic blood pressure parameter；
S3 Master control chip 31 carries out operation to the blood pressure values and pulse signal received, by amplifying and being filtered
After form pulse waveform, and send pulse waveform to DSP control unit 41；
S4 DSP control unit is decoded pulse waveform, obtains interpreting cardiovascular health parameter from time field,
Thus the long-term clinical experience of foundation medical technicians obtains the cardiovascular health parameter of user again；
And secondary operation is carried out to pulse waveform, energy frequency figure, the i.e. heart are changed by Fast Fourier Transform (FFT)
Dirty spectrum waveform figure；
For S5 observation heart frequency spectrum waveform diagram to determine whether there is abnormal frequency, i.e., it is miscellaneous to interpret heartbeat from frequency field
Interrogate parameter；
S6 passes through 5 Wireless transceiver of bluetooth module by all health parameters for testing heart frequency spectrum sphygmomanometer
Onto cell phone application, comprehensive score is carried out to whole health parameters by cell phone application with hundred-mark system, it is final to an appraisal result,
And give user corresponding guidance of seeing a doctor.
Further, the principle of automatic correction technology is as follows:
The accurate datum mark for the auxiliary pressure sensor 42 calibrated is stored in DSP control unit 41, when heart frequency
When spectrum sphygmomanometer is switched on each time, Master control chip 31 provides instruction, the number pressure for allowing primary pressure sensor 32 to perceive
Value goes to carry out pressure comparison with the datum mark of stored auxiliary pressure sensor 42, and when result equity, then sphygmomanometer execution is opened
The instruction of beginning measurement blood pressure；When comparing result has profit and loss, then DSP control unit 41 can compensate automatically base automatically according to profit and loss numerical value
Plinth pressure value is attributed to accurately by sphygmomanometer；Then DSP control unit 41 is completed in compensation can provide instruction Master control chip 31 is allowed to hold
Begin to execute measurement sphygmomanometer movement.
Further, further include the function that cardiovascular health parameter is interpreted from time field, principle is as follows:
41 pulse waveform of DSP control unit is decoded, and obtains the time parameter of heartbeat, and parameter includes: every
Twice the time required for pulse, whether having cardiac arrhythmia, atrioventricular node, whether blood supply is sound, whether the work of atrioventricular node valve normal
And Coronary Artery Atherosclerosis, ventricle whether ischemic or angiemphraxis degree；
Further include the function that heartbeat noise parameter is interpreted from frequency field, principle is as follows:
Heart frequency spectrum waveform diagram is observed to determine whether there is abnormal frequency, abnormal frequency is other than basic frequency
Heart noise simultaneously can be quantified as heart noise figure；
The region that first frequency region is ± 0.5 frequency multiplication section of the first dominant frequency of palmic rate is defined, second frequency region is
The region in ± 0.5 frequency multiplication section of the second dominant frequency of palmic rate, third frequency field are ± 0.5 frequency multiplication area of palmic rate third dominant frequency
Between region；
Its cardiac noise figure I1 is the summation of noise number in first frequency region, and heart noise figure I2 is the second frequency
The summation of noise number in rate region, heart noise figure I3 are the summation of noise number in third frequency field, heart noise figure I
Ndex=I 1+I2+I 3；
Other spike numbers of 1/20 intensity that noise is each area's dominant frequency amplitude or more are defined, proportionality coefficient: 1/20 is by going
Except being stipulated after background noise.
Further, further include the points-scoring system of Comprehensive Assessment user health value-at-risk, the principle is as follows:
According to clinical data, the basic blood pressure parameter that heart frequency spectrum sphygmomanometer is tested is interpreted from time field
Cardiovascular health parameter and heartbeat noise parameter is interpreted from frequency field mobile phone is wirelessly transmitted to by bluetooth module 5
On APP, and comprehensive score is carried out to whole parameters by cell phone application with hundred-mark system, finally provides an appraisal result, and give user
Corresponding guidance of seeing a doctor；
Basic blood pressure parameter includes: systolic pressure parameter, diastolic pressure parameter, mean pressure parameter, pulse pressure difference parameter and pulse ginseng
Number；
Interpreting cardiovascular health parameter from time field includes: that heart rate parameter, the rhythm of the heart variation value parameter, heart valve diastole are closed
Close time parameter, left ventricular contraction time parameter and left ventricle isovolumic contraction time parameter；
From frequency field interpret heartbeat noise parameter include: cardiac arrhythmia noise number parameter, valve noise number parameter,
Coronary artery noise number parameter, atrial fibrillation parameter and cardiac ejection index parameters.
As shown in figure 9, DSP control unit 41 is decoded pulse waveform, it is thus long according to medical technicians again
The clinical experience of phase obtains the cardiovascular health parameter of user；
Further, if we amplify and the Sing plus pulse waveform that certain pulse is formed to waveform shape
At node be decoded:
Decoding can obtain the time parameter of heartbeat:
Rhythm of the heart RR=Xd-Xa (ms) --- -- was represented per the time required for pulse twice；
Whether rhythm of the heart variation value RR-V=(RR2-RR1)/RR1*100%----- representative has cardiac arrhythmia；
Heart valve diastole closing time AS=Xb-Xo (ms) --- -- represents atrioventricular node, and whether blood supply is sound；
Left ventricular contraction time ST=Xc-Xo (ms) --- -- represent the work of atrioventricular node valve it is whether normal and
Coronary Artery Atherosclerosis；
Left ventricle isovolumic contraction time SR=Xa-Xo (ms) --- -- represent ventricle whether ischemic or blood vessel resistance
Plug degree.
Further, the principle for interpreting heartbeat noise parameter from frequency field is specific as follows:
The presentation principle of heart frequency spectrum gives 1 inflating pressure of cuff, the people for allowing cuff 1 to perceive again by inflator pump 2
Body upper arm artery blood pressure values and pulse signal pass through air-channel system and are transmitted to Master control chip 31, master control by primary pressure sensor 32
Coremaking piece 31 forms pulse waveform to the signal progress operation amplifier received and filtering processing and sends this waveform to number
Word processing chip, i.e. DSP control unit 41 carry out secondary operation to pulse waveform by DSP control unit, by fast Flourier
Conversion (FFT) changes into energy frequency figure, has seen whether abnormal frequency, abnormal frequency is heart other than basic frequency
Noise simultaneously can be quantified as heart noise figure, and it is ± 0.5 frequency multiplication area of the first dominant frequency of palmic rate that we, which define first frequency region,
Between region, second frequency region be ± 0.5 frequency multiplication section of the second dominant frequency of palmic rate region, third frequency field be heartbeat
The region in ± 0.5 frequency multiplication section of frequency third dominant frequency, for example, if the first dominant frequency of palmic rate of a people is 60 beats/min,
Then first frequency region is 30-90 beats/min, and second frequency region is 90-150 beats/min, and third frequency field is 150-
210 beats/min, cardiac noise figure I 1 is the summation of noise number in first frequency region, and heart noise figure I2 is the
The summation of noise number in two frequency fields, heart noise figure I 3 are the summation of noise number in third frequency field, heart noise
Index I ndex=I 1+I2+I3.We define other spike numbers of 1/20 intensity that noise is each area's dominant frequency amplitude or more, than
Example coefficient: 1/20 is by stipulating after removal background noise.
As shown in figure 11, by the heart frequency spectrum waveform diagram by obtaining after fast Fourier transform (FFT), thus heart
Spectrum waveform can decode the noise parameter of heartbeat: cardiac arrhythmia noise number I1；Aorta petal noise number I2；It is coronal dynamic
Arteries and veins noise number I3；Cardiac ejection index HEI；
It is exactly atrium when the summation of I1+12+I 3 is more than or equal to 5 according to a large amount of clinical data and clinical experience
The mark of fibrillation (AF ib), and medically verified AFib is the cause of disease omen of myocardial infarction and headstroke, so heart frequency
Spectral technology is exactly prompt according to this and watchful user health risk.
Further, the heart frequency spectrum detection system involved in the present invention includes: Comprehensive Assessment user health value-at-risk
Points-scoring system, concrete principle are as follows:
According to a large amount of clinical data, we are by by the tested three obtained part of heart frequency spectrum sphygmomanometer totally 15
Health parameters:
Basic blood pressure parameter (systolic pressure/diastolic pressure/mean pressure/pulse pressure difference/pulse)；
Cardiovascular health parameter (the rhythm of the heart/rhythm of the heart variation value/heart valve diastole closing time/left heart is interpreted from time field
Room contraction time/left ventricle isovolumic contraction time)；
From frequency field interpret heartbeat noise (cardiac arrhythmia noise number/valve noise number/coronary artery noise number/
Atrial fibrillation/cardiac ejection index)；
It is all wirelessly transmitted in cell phone application by bluetooth module 5, with hundred-mark system by cell phone application to all 15 health
Parameter carries out comprehensive score, as soon as it is final to using an appraisal result, and instructed to the corresponding medical treatment of user.
As shown in figure 12, according to the points-scoring system of Comprehensive Assessment user health value-at-risk detect as a result, the system pair
The guiding opinion of user is as follows:
Score is 0~49: being in a good state of health, continuing with holding；50~69: looked after one's health situation can be evacuated and be seen
Doctor；Score is 70~89: health risk is higher, it is proposed that does a cardiovascular and cerebrovascular inspection；Score is 90~100: health risk
It is very high, it is proposed that see a doctor immediately.
The present invention provides a kind of heart frequency spectrum sphygmomanometer and heart frequency spectrum detection system, constructs a kind of heart frequency spectrum blood pressure
Meter issues instruction to primary pressure sensor and auxiliary pressure sensor when being switched on each time by Master control chip, makes
Primary pressure sensor and auxiliary pressure sensor carry out the comparison of pressure value, the DSP control unit if comparing result has profit and loss
It can be attributed to accurately automatically according to profit and loss numerical value by sphygmomanometer, to realize the function of automatic correction, not need to return the secondary school of factory's progress
Standard, it is practical and conveniently, and heart frequency spectrum sphygmomanometer can be realized by a control unit and a primary pressure sensor
Automatic correction function, reduce costs；Meanwhile heart frequency spectrum detection system can also by collected all health parameters by
Cell phone application carries out comprehensive score to whole parameters, finally provides an appraisal result, and guidance of seeing a doctor accordingly to user, non-
Chang Shiyong, it is powerful.
Although being disclosed by above embodiments to the present invention, scope of protection of the present invention is not limited thereto,
Under conditions of without departing from present inventive concept, deformation, the replacement etc. done to above each component will fall into right of the invention
In claimed range.
Claims (10)
1. a kind of heart frequency spectrum sphygmomanometer characterized by comprising cuff (1), inflator pump (2), main electronic circuit board (3), preceding
Shell (8), rear shell (9) and cuff connection buckle (13)；
The front housing (8) is fixedly connected with the rear shell (9) and forms closed inner space；
The inflator pump (2) and the main electronic circuit board (3) are built in respectively in the inner space；
The cuff connection buckle (13) is arranged on the rear shell (9), and the cuff (1) connect with the cuff connection buckle (9).
2. a kind of heart frequency spectrum sphygmomanometer according to claim 1, which is characterized in that the main electronic circuit board (3) is also
It include: Master control chip (31) and primary pressure sensor (32)；
The Master control chip (31) and the primary pressure sensor (32) are separately mounted on the main electronic circuit board (3)；
It further include DSP unit (4), the DSP unit (4) is mounted on the main electronic circuit board (3)；
The DSP unit (4) further include: DSP control unit (41) and auxiliary pressure sensor (42)；
The DSP control unit (41) and auxiliary pressure sensor (42) are separately mounted on the DSP unit (4).
3. a kind of heart frequency spectrum sphygmomanometer according to claim 1, which is characterized in that it further include bluetooth module (5), it is described
Bluetooth module (5) is embedded in the main circuit board (3).
4. a kind of heart frequency spectrum sphygmomanometer according to claim 1, which is characterized in that further include having display screen (10)；
The display screen (10) is mounted on the outer surface of the front housing (8).
It further include press button mechanism (11), the press button mechanism (11) is arranged on the outer surface of the front housing (8).
5. a kind of heart frequency spectrum sphygmomanometer according to claim 1, which is characterized in that further include: battery and battery installation
Slot, the battery settling groove are arranged in the rear shell (9) bottom end, and the battery is built in the battery settling groove；
Further include: battery cover board (12), the battery cover board (12) lid is on the battery settling groove, and by the battery pressure
Tightly in the battery settling groove.
6. a kind of heart frequency spectrum sphygmomanometer according to claim 1, which is characterized in that cuff connection buckle (13) setting
On the left side or right side of the rear shell (9)；
At least provided with a cuff connection buckle (13) on the left side and right side of the rear shell (9).
7. a kind of heart frequency spectrum detection system, which comprises the following steps:
S1 gives cuff (1) inflating pressure by inflator pump (2), and cuff (1) is allowed to perceive human body upper arm artery blood pressure values and arteries and veins
It fights signal；
Cuff described in S2 (1) perceives human body upper arm artery blood pressure values and pulse signal and is passed by air-channel system by principal pressure
Sensor (32) is transmitted to Master control chip (31), and measures basic blood pressure parameter；
Master control chip described in S3 (31) carries out operation to the blood pressure values and pulse signal that receive, through amplification and filtering at
Pulse waveform is formed after reason, and sends the pulse waveform to DSP control unit (41)；
DSP control unit described in S4 is decoded the pulse waveform, obtains interpreting cardiovascular health ginseng from time field
Number, thus the long-term clinical experience of foundation medical technicians obtains the cardiovascular health parameter of user again；
And secondary operation is carried out to the pulse waveform, energy frequency figure, the i.e. heart are changed by Fast Fourier Transform (FFT)
Dirty spectrum waveform figure；
S5 observes the heart frequency spectrum waveform diagram to determine whether there is abnormal frequency, i.e., it is miscellaneous to interpret heartbeat from frequency field
Interrogate parameter；
S6 is wirelessly transmitted to by all health parameters for testing heart frequency spectrum sphygmomanometer by bluetooth module (5)
In cell phone application, comprehensive score is carried out to whole health parameters by the cell phone application with hundred-mark system, it is final to be tied to a scoring
Fruit, and give user corresponding guidance of seeing a doctor.
8. a kind of heart frequency spectrum detection system according to claim 7, which is characterized in that the principle of its automatic correction technology
It is as follows:
The accurate datum mark of the auxiliary pressure sensor calibrated (42) is stored in DSP control unit (41), when heart frequency
When spectrum sphygmomanometer is switched on each time, the Master control chip (31) provides instruction, and the primary pressure sensor (32) is allowed to feel
Know to pressure value go with the stored auxiliary pressure sensor (42) the datum mark carry out pressure comparison, work as knot
Fruit equity, then sphygmomanometer executes the instruction for starting to measure blood pressure；When comparing result has profit and loss, then the DSP control unit (41)
It can be attributed to accurately automatically according to the automatic compensated foundation pressure value of profit and loss numerical value by sphygmomanometer；The then DSP control is completed in compensation
Unit (41), which can provide instruction, allows the Master control chip (31) to start to execute measurement sphygmomanometer movement.
9. a kind of heart frequency spectrum detection system according to claim 7, which is characterized in that further include being interpreted from time field
The function of cardiovascular health parameter, principle are as follows:
The DSP control unit (41) pulse waveform is decoded, and obtains the time parameter of heartbeat, the ginseng
Number includes: the time required for per pulse twice, whether having cardiac arrhythmia, atrioventricular node, whether blood supply is sound, atrioventricular node valve work
Make whether normal and Coronary Artery Atherosclerosis, ventricle whether ischemic or angiemphraxis degree；
Further include the function that heartbeat noise parameter is interpreted from frequency field, principle is as follows:
The heart frequency spectrum waveform diagram is observed to determine whether there is abnormal frequency, abnormal frequency is other than basic frequency
Heart noise simultaneously can be quantified as heart noise figure；
The region that first frequency region is ± 0.5 frequency multiplication section of the first dominant frequency of palmic rate is defined, second frequency region is heartbeat
The region in ± 0.5 frequency multiplication section of the second dominant frequency of frequency, third frequency field be ± 0.5 frequency multiplication section of palmic rate third dominant frequency it
Region；
Its cardiac noise figure I1 is the summation of noise number in first frequency region, and heart noise figure I2 is second frequency area
The summation of noise number in domain, heart noise figure I 3 are the summation of noise number in third frequency field, heart noise figure
Index=I 1+I2+I 3；
Define other spike numbers of 1/20 intensity that noise is each area's dominant frequency amplitude or more, proportionality coefficient: 1/20 is carried on the back by removal
It is stipulated after scape noise.
10. a kind of heart frequency spectrum detection system according to claim 7 or 9, which is characterized in that further include that Comprehensive Assessment is used
The points-scoring system of family health risk value, the principle is as follows:
It is the basic blood pressure parameter that heart frequency spectrum sphygmomanometer is tested, described from time field according to clinical data
Interpret cardiovascular health parameter and it is described from frequency field interpret heartbeat noise parameter by bluetooth module (5) wirelessly pass
It is sent in the cell phone application, and comprehensive score is carried out to whole parameters by the cell phone application with hundred-mark system, finally provide one
Appraisal result, and guidance of seeing a doctor accordingly to user；
The basic blood pressure parameter includes: systolic pressure parameter, diastolic pressure parameter, mean pressure parameter, pulse pressure difference parameter and pulse ginseng
Number；
It is described that interpret cardiovascular health parameter from time field include: that heart rate parameter, the rhythm of the heart variation value parameter, heart valve diastole are closed
Close time parameter, left ventricular contraction time parameter and left ventricle isovolumic contraction time parameter；
It is described from frequency field interpret heartbeat noise parameter include: cardiac arrhythmia noise number parameter, valve noise number parameter,
Coronary artery noise number parameter, atrial fibrillation parameter and cardiac ejection index parameters.
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| CN113925477A (en) * | 2021-07-08 | 2022-01-14 | 哈尔滨铂云医疗器械有限公司 | Automatic calibration system of electronic sphygmomanometer |
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| CN112914530B (en) * | 2021-01-19 | 2024-06-04 | 深圳市迈泰生物医疗有限公司 | Automatic calibration type intelligent sphygmomanometer |
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Application publication date: 20191115 |