CN106333663A - Blood pressure monitoring method and device - Google Patents
Blood pressure monitoring method and device Download PDFInfo
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- CN106333663A CN106333663A CN201610919472.6A CN201610919472A CN106333663A CN 106333663 A CN106333663 A CN 106333663A CN 201610919472 A CN201610919472 A CN 201610919472A CN 106333663 A CN106333663 A CN 106333663A
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- blood pressure
- measurand
- time point
- heart beating
- signal
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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
- A61B5/02108—Measuring pressure in heart or blood vessels from analysis of pulse wave characteristics
- A61B5/02125—Measuring pressure in heart or blood vessels from analysis of pulse wave characteristics of pulse wave propagation time
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0062—Arrangements for scanning
- A61B5/0064—Body surface scanning
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7203—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7235—Details of waveform analysis
Abstract
The embodiments of the invention disclose a blood pressure monitoring method and device. The method comprises the steps of acquiring a heartbeat wave signal of a monitored object, and determining a first time point in the heartbeat wave signal; acquiring a pulse oximeter signal of the monitored object, and determining a second time point in the pulse oximeter signal; calculating the difference between the first time point and the second time point to obtain pulse wave conduction time of the monitored object; and deducing blood pressure information of the monitored object according to the pulse wave conduction time. The method and the device realize sleevelet-free blood pressure measurement, simplify contact sensing equipment, and do not need to adopt multiple contact sensors for measuring so that the blood pressure monitoring operation of users is more convenient.
Description
Technical field
Embodiment of the present invention is related to Medical Instruments technical field, more particularly to a kind of monitoring of blood pressure method and apparatus.
Background technology
In prior art, no cuff type continuous blood pressure monitoring mode is based primarily upon touch sensor, such as passes through monitoring
Electrocardiosignal, photoplethysmographic, cardiechema signals etc., to calculate that pulse wave translation time is counter to push away pulse wave conduction speed,
Then calculate blood pressure, thus realizing the continuous monitoring to blood pressure.
Wherein, the foundation of calculating is: when the blood pressure of measurand is higher, then pulse wave conduction speed is faster, therefore pulse
Ripple conduction time is shorter, is in dependency relation between above-mentioned several variables.
But, existing no cuff type continuous BP measurement mode, need simultaneously in two human bodies apart from each other
Measurement pulse wave, or, need to monitor electrocardio and pulse wave signal etc. simultaneously.
Specifically, existing two ways realization no cuff type continuous blood pressure monitoring:
The first: measure ppg (photoplethysmograph photoelectricity using at two positions along human body artery simultaneously
Volume pulsation wave), two positions can produce different ppg waveforms, by calculating the time difference between two positions of pulse wave arrival,
Pulse wave conduction speed can be calculated, then extrapolate blood pressure；
Second: utilize ecg (electrocardiogram, electrocardio ripple) and ppg signal to be calculated simultaneously, pass through
Obtain ecg signal, and the waveform of ppg signal, and the time of calculating ecg r ripple, and ppg signal wave crest or trough between
Difference, can obtain approximate pulse wave translation time, such that it is able to calculate the value of blood pressure.
For first kind of way, due to needing to carry out contact type measurement for two diverse locations of measurand, and
Before measuring, need to know the distance between two positions in advance, user is more inconvenient when using；
For the second way, due to needing to measure electrocardio, one is it is impossible to realize singlehanded measurement, two are, at least need profit
Just enabled with the sensor more than two contact human bodies, also more inconvenience when user uses.
Therefore, in prior art, also there is no a kind of monitoring of blood pressure method or apparatus being convenient to user's use.
Content of the invention
Embodiment of the present invention, can be to use mainly solving the technical problems that providing a kind of monitoring of blood pressure method and apparatus
A kind of good monitoring of blood pressure method and apparatus of Consumer's Experience is brought at family.
For solving above-mentioned technical problem, the technical scheme that embodiment of the present invention adopts is: provides a kind of blood pressure prison
Survey method.
A kind of monitoring of blood pressure method, the method includes:
Obtain the heart beating ripple signal of measurand, and determine first time point in heart beating ripple signal；
Obtain the photoplethysmographic signal of measurand, and determined for the second time in photoplethysmographic signal
Point；
Calculate the difference of first time point and the second time point, obtain the pulse wave translation time of measurand；
It is derived from the blood pressure information of measurand according to pulse wave translation time.
Preferably, obtain the heart beating ripple signal of measurand, and determine that first time point includes in heart beating ripple signal:
Obtain the moving wave shape figure of measurand chest；
Moving wave shape figure is filtered process, obtains its corresponding heart beating ripple signal.
Preferably, obtain the heart beating ripple signal of measurand, and determine that first time point also includes in heart beating ripple signal:
Choose the reference state of blood flow movement；
According to reference state, heart beating ripple signal determines first time point.
Preferably, obtain the photoplethysmographic signal of measurand, and determine in photoplethysmographic signal
Second time point includes:
Choose the ad-hoc location in photoplethysmographic conductive process；
According to feature locations, photoplethysmographic signal determines the second time point.
Preferably, calculate the difference of first time point and the second time point, obtain measurand pulse wave translation time it
Afterwards, be derived from the blood pressure information of measurand according to pulse wave translation time before, also include:
According to the blood pressure difference that measurand motion is forward and backward, determine the blood pressure reference value of measurand, wherein, blood
Buckling reference value is used for the blood pressure information with reference to pulse wave translation time derivation measurand.
The invention allows for a kind of blood pressure monitoring device, this device includes:
Heart beating measurement module, for obtaining the heart beating ripple signal of measurand, and when determining first in heart beating ripple signal
Between point；
Pulses measure module, for obtaining the photoplethysmographic signal of measurand, and in photoplethysmographic
The second time point is determined in signal；
Conduction computing module, for calculating the difference of first time point and the second time point, obtains the pulse wave of measurand
Conduction time；
Blood pressure derivation module, for being derived from the blood pressure information of measurand according to pulse wave translation time.
Preferably, heart beating measurement module includes moving wave shape figure measuring unit and moving wave shape figure filter unit, wherein,
Moving wave shape figure measuring unit is used for obtaining the moving wave shape figure of measurand chest；
Moving wave shape figure filter unit is used for moving wave shape figure being filtered process, and obtains its corresponding heart beating ripple letter
Number.
Preferably, heart beating measurement module also includes first time point determining unit, and first time point determining unit is used for selecting
Take the reference state of blood flow movement, and according to reference state, heart beating ripple signal determines first time point.
Preferably, pulses measure module includes the second time point determining unit, and the second time point determining unit is used for choosing
Ad-hoc location in photoplethysmographic conductive process, and according to feature locations, determine in photoplethysmographic signal
Second time point.
Preferably, this device also includes reference value determining module, and reference value determining module is used for being moved according to measurand
Forward and backward blood pressure difference, determines the blood pressure reference value of measurand, and wherein, blood pressure reference value is used for combining pulse
The blood pressure information of ripple conduction time derivation measurand.
Implement the present invention, it is achieved that the blood pressure measurement of no oversleeve type by way of wireless measurement heart beating ripple.Present invention letter
Change contact-sensing equipment, need not have been measured using multiple touch sensors, so that user is implementing blood pressure prison
It is more convenient during operation to survey.
Brief description
Fig. 1 is monitoring of blood pressure method first embodiment flow chart provided in an embodiment of the present invention；
Fig. 2 is monitoring of blood pressure method second embodiment flow chart provided in an embodiment of the present invention；
Fig. 3 is monitoring of blood pressure method 3rd embodiment flow chart provided in an embodiment of the present invention；
Fig. 4 is monitoring of blood pressure method fourth embodiment flow chart provided in an embodiment of the present invention；
Fig. 5 is blood pressure monitoring device sixth embodiment structured flowchart provided in an embodiment of the present invention；
Fig. 6 is the structured flowchart of first embodiment of the invention wireless measurement heart beating ripple signal；
Fig. 7 is the schematic diagram that second embodiment of the invention is filtered to heart beating ripple；
Fig. 8 is the schematic diagram that second embodiment of the invention extracts heartbeat waveform in heart beating ripple signal.
Specific embodiment
In order that the purpose of the present invention, technical scheme and advantage become more apparent, below in conjunction with drawings and Examples,
The present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only in order to explain the present invention,
It is not intended to limit the present invention.
As long as additionally, involved technical characteristic in each embodiment of invention described below is each other not
The conflict of composition just can be combined with each other.
Embodiment 1:
The embodiment of the present invention 1 provides the first preferred embodiment of monitoring of blood pressure method, is illustrated in figure 1 the present invention and implements
The monitoring of blood pressure method first embodiment flow chart that example provides.
A kind of monitoring of blood pressure method providing refering to Fig. 1, the present embodiment, this method comprises the following steps:
A kind of monitoring of blood pressure method, the method includes:
S1, the heart beating ripple signal of acquisition measurand, and determine first time point in heart beating ripple signal；
S2, the photoplethysmographic signal of acquisition measurand, and determine second in photoplethysmographic signal
Time point；
S3, calculating first time point and the difference of the second time point, obtain the pulse wave translation time of measurand；
S4, it is derived from the blood pressure information of measurand according to pulse wave translation time.
In step s1, the present embodiment obtains the signal of heartbeat by way of wireless measurement.
The structured flowchart of wireless measurement heart beating ripple signal as illustrated in FIG. 6.
First, the arrangement of wireless measurement, the present embodiment can arrange wireless signal in the ad-hoc location of test site
R-T unit.It is understood that the position set by this device is unrestricted, for example, it may be keeping with tested object
Certain distance, meanwhile, this wireless signal transceiver does not need tested subject wears.
Secondly, the working method of wireless measurement, the present embodiment utilize wireless signal emitter transmission signal (include but not
Be limited to other optional wireless signal such as wifi, bluetooth), and receive by testee thoracic reflected return reflected signal.
Based on Doppler effect, the motion conditions of human chest can be calculated, and obtain the moving wave shape figure of chest.
Because the breathing of human body and heartbeat all can change human body surface with a distance from wireless signal transceiver, thus
Affect the signal receiving, based on Doppler effect, the situation of change of distance can be calculated, such that it is able to know heart jump
Situation that is dynamic and breathing.
Preferably, the waveform that the wireless signal transceiver that the present embodiment is adopted is sent is Continuous Wave with frequency modulation.
After the present embodiment gets heart beating ripple signal as stated above, the waveform of heart beating ripple signal selects the first reference
Point, and this first reference point corresponding moment is labeled as first time point.
Preferably, as shown in the ecg oscillogram of Fig. 8, the present embodiment is with the moment corresponding to the r wave crest point of heart beating ripple signal
It is labeled as first time point.
By way of photoplethaysmography, in step s2, obtain the photoplethysmographic signal of measurand.
Electric hand section that photoplethysmographic tracing is that excuse me detect in biological tissue volumetric blood change a kind of no
Wound detection method, when the light beam of certain wavelength is irradiated to finger tip skin surface, light beam will be transmitted by transmission or reflection mode
To photelectric receiver.In the process because the attenuation by absorption by finger tip integumentary musculature and blood acts on, detector detects
Light intensity will weaken, wherein, integumentary musculature tissue etc. the absorption of light is to maintain in whole blood circulation invariable,
And the volumetric blood in skin is in pulsation change under key role, the most absorbing amount of periphery blood volume when the heart contracts
Also the light intensity that maximum detects is minimum；And in diastole contrast, the light intensity that detects is maximum.Therefore, make light
The light intensity that receptor receives is in that pulsating nature changes therewith, this intensity variation signal is converted into the signal of telecommunication and just can obtain appearance
The change of long-pending pulse flow.
In the present embodiment, the test position of photoplethaysmography is not limited, including but not limited to the chest of measurand,
The other such as wrist portion position.
Preferably, when implementing photoplethaysmography acquisition pulse wave signal, monitoring position is arranged on finger to the present embodiment
The more place of the blood vessels such as end, wrist portion, thus reduce the error of the pulse wave receiving.
After the present embodiment gets pulse wave signal as stated above, the waveform of pulse wave signal selects the second reference
Point, and this second reference point corresponding moment is labeled as the second time point.
Preferably, as shown in the prg oscillogram of Fig. 8, the present embodiment is with corresponding to selected wave crest point in pulse wave signal
Moment be labeled as first time point.
In step s3, current embodiment require that two time points of labelling:
First, by the first reference point is found on the waveform of heart beating ripple, the moment corresponding to this point is labeled as first
Time point；
Second, pulse waveform is obtained by photoplethaysmography, then that pulse transit is special to measurand body
When positioning is put, its pulse wave is in the second reference point, and the moment corresponding to this second reference point was labeled as the second time
Point.
Selection side it is understood that in the present embodiment, to above-mentioned first reference point and above-mentioned second reference point
Formula is not restricted, and therefore, above-mentioned first time point can be any instant point of ecg wave form figure, corresponding, when above-mentioned second
Between point can be pulse wave figure any instant point.For the ease of calculating above-mentioned second time point and the very first time by this programme
The difference of point, can select the wave crest point of two waveforms as a reference point.
After determining first time point and the second time point, calculate the difference of the second time point and first time point, be arteries and veins
Fight ripple conduction time △ t.
In step s4, the blood pressure information of measurand obtains as follows:
If the blood pressure △ p=k* △ t of measurand, wherein, k is a parameter.
Under normal circumstances, the pressure value of measurand is maintained at p1, therefore, after known to k value, you can lead in real time
Cross △ t to calculate the pressure value of measurand.
The having the beneficial effects that of the present embodiment, by obtaining the heart beating ripple signal of measurand, and in heart beating ripple signal
Determine first time point；Obtain the photoplethysmographic signal of measurand, and determine in photoplethysmographic signal
Second time point；Calculate the difference of first time point and the second time point, obtain the pulse wave translation time of measurand；According to arteries and veins
Ripple conduction time of fighting is derived from the blood pressure information of measurand.Achieve the blood pressure measurement of no oversleeve type, simplify contact
Sensing equipment, need not be measured using multiple touch sensors, so that user is implementing when monitoring of blood pressure operates more
For convenient.
Embodiment 2:
The embodiment of the present invention 2 provides the second preferred embodiment of monitoring of blood pressure method.It is illustrated in figure 2 the present invention to implement
The monitoring of blood pressure method second embodiment flow chart that example provides.
Refering to Fig. 2, on the basis of above-described embodiment 1, obtain the heart beating ripple signal of measurand, and in heart beating ripple signal
Middle determination first time point includes:
S11, the moving wave shape figure of acquisition measurand chest.
S12, moving wave shape figure is filtered process, obtain its corresponding heart beating ripple signal.
In the present embodiment, by way of filtering, the waveshape signal of heartbeat can therefrom be extracted.
As illustrated in FIG. 7 be the schematic diagram that second embodiment of the invention is filtered to heart beating ripple, in the figure, with whole
From the point of view of bulk wave shape, crest is the expiration phase of measurand, and trough is the expiratory phase of measurand.At this waveform amplification
Reason, you can obtain the heart beating waveform that this diagram circle takes region.
Preferably, the present embodiment using filtering by the way of have following two:
First, as shown in figure 8, being ecg ecg wave form figure and ppg photoplethysmographic oscillogram respectively, due to us
It is desirable that the coordinate of the r wave point of ecg wave form in figure, therefore, it can first not filter, directly single order is carried out to Fig. 8 waveform and ask
Lead, first derivation is 0 point, as the r ripple wave crest point of ecg wave form figure.
Second, using Fourier transformation, waveform is decomposed into two waveforms, the respiratory waveform that a waveform is behaved, another
The individual heartbeat waveform being required for the present embodiment.
The having the beneficial effects that of the present embodiment, by obtaining the moving wave shape figure of measurand chest, and to moving wave shape
Figure is filtered processing, and obtains its corresponding heart beating ripple signal, one be omitted arrange on the body of measurand extra
Touch sensor, two is to provide data basis for subsequent calculations pressure value.
Embodiment 3:
The embodiment of the present invention 3 provides the third preferred embodiment of monitoring of blood pressure method.It is illustrated in figure 3 the present invention to implement
The monitoring of blood pressure method 3rd embodiment flow chart that example provides.
Refering to Fig. 3, on the basis of above-described embodiment 2, obtain the heart beating ripple signal of measurand, and in heart beating ripple signal
Middle determination first time point also includes:
S13, the reference state of selection blood flow movement；
S14, according to reference state, in heart beating ripple signal determine first time point.
In the present embodiment, because the kinestate of the blood flow of measurand is diversified, therefore we can choose
The a certain kinestate of blood flow is as reference state.
Preferably, measurand heart is started to penetrate the blood flow movement state of blood as reference state by the present embodiment, that is,
When the blood flow movement state of measurand reaches and penetrates blood, then this moment is defined as first time point.
The having the beneficial effects that of the present embodiment, by choosing the reference state of blood flow movement, and according to reference state, in the heart
Jump and determine first time point in ripple signal it is achieved that being accurately positioned to heart beating ripple signal reference point, and be the subsequent calculations time
Difference provides data basis.
Embodiment 4:
The embodiment of the present invention 4 provides the 4th preferred embodiment of monitoring of blood pressure method.It is illustrated in figure 4 the present invention to implement
The monitoring of blood pressure method fourth embodiment flow chart that example provides.
Refering to Fig. 4, on the basis of above-described embodiment 1, obtain the photoplethysmographic signal of measurand, and in light
Determine in Power Capacity pulse wave signal that the second time point includes:
S21, the ad-hoc location chosen in photoplethysmographic conductive process；
S22, according to feature locations, photoplethysmographic signal determines the second time point.
In the present embodiment, pulse waveform is obtained by photoplethaysmography, then that pulse transit is extremely tested right
Point as body ad-hoc location is labeled as the second time point.It is accurately fixed to photoplethysmographic signal reference point to achieve
Position, and provide data basis for subsequent calculations time difference.
Embodiment 5:
The embodiment of the present invention 5 provides the 5th preferred embodiment of monitoring of blood pressure method.
On the basis of above-described embodiment 1, calculate the difference of first time point and the second time point, obtain the arteries and veins of measurand
Fight after ripple conduction time, be derived from the blood pressure information of measurand according to pulse wave translation time before, also include:
According to the blood pressure difference that measurand motion is forward and backward, determine the blood pressure reference value of measurand, wherein, blood
Buckling reference value is used for the blood pressure information with reference to pulse wave translation time derivation measurand.
Specifically, if the blood pressure △ p=k* △ t of measurand, wherein, k is a parameter, and this k value can pass through
In the following manner draws:
Under motion conditions, blood pressure will rise measurand, before motion using traditional blood measurement obtain by
Survey the blood pressure p1 of object, after motion, measure the blood pressure p2 of measurand.
Above-mentioned two pressure value is substituted into formula, △ p=k* △ t, obtains p2-p1=k* △ t, you can calculate k value.
Under normal circumstances, the pressure value of measurand is maintained at p1, therefore, after known to k value, you can lead in real time
Cross △ t to calculate the pressure value of measurand.
The having the beneficial effects that of the present embodiment, the blood pressure difference forward and backward by calculating measurand motion, it is tested right to determine
The blood pressure reference value of elephant.Thus providing number for the follow-up blood pressure information with reference to pulse wave translation time derivation measurand
According to basis.
Embodiment 6:
The embodiment of the present invention 6 provides the 6th preferred embodiment of blood pressure monitoring device, is illustrated in figure 5 the present invention and implements
The blood pressure monitoring device sixth embodiment flow chart that example provides.
A kind of blood pressure monitoring device providing refering to Fig. 5, the present embodiment, this device includes:
Heart beating measurement module 10, for obtaining the heart beating ripple signal of measurand, and determines first in heart beating ripple signal
Time point.
It is understood that this heart beating measurement module 10 can be wireless signal transceiver.
First, the arrangement of wireless measurement, the present embodiment can arrange wireless signal in the ad-hoc location of test site
R-T unit.It is understood that the position set by this device is unrestricted, for example, it may be keeping with tested object
Certain distance, meanwhile, this wireless signal transceiver does not need tested subject wears.
Secondly, the working method of wireless measurement, the present embodiment utilize wireless signal emitter transmission signal (include but not
Be limited to other optional wireless signal such as wifi, bluetooth), and receive by testee thoracic reflected return reflected signal.
Based on Doppler effect, the motion conditions of human chest can be calculated, and obtain the moving wave shape figure of chest.
Pulses measure module 20, for obtaining the photoplethysmographic signal of measurand, and in photoelectricity volume pulsation
The second time point is determined in ripple signal.
Conduction computing module 30, for calculating the difference of first time point and the second time point, obtains the pulse of measurand
Ripple conduction time.
Blood pressure derivation module 40, for being derived from the blood pressure information of measurand according to pulse wave translation time.
Preferably, heart beating measurement module 10 includes moving wave shape figure measuring unit 11 and moving wave shape figure filter unit
12, wherein:
Moving wave shape figure measuring unit 11 is used for obtaining the moving wave shape figure of measurand chest；
Moving wave shape figure filter unit 12 is used for moving wave shape figure being filtered process, and obtains its corresponding heart beating ripple letter
Number.
Preferably, heart beating measurement module 10 also includes first time point determining unit 13, first time point determining unit 13
For choosing the reference state of blood flow movement, and according to reference state, heart beating ripple signal determines first time point.
Preferably, pulses measure module 20 includes the second time point determining unit 21, and the second time point determining unit 21 is used
Ad-hoc location in selection photoplethysmographic conductive process, and according to feature locations, in photoplethysmographic signal
Middle determination the second time point.
Preferably, this device also includes reference value determining module 50, and reference value determining module is used for being transported according to measurand
Dynamic forward and backward blood pressure difference, determines the blood pressure reference value of measurand, wherein, blood pressure reference value is used for combining arteries and veins
The blood pressure information of ripple conduction time derivation measurand of fighting.
Implement the blood pressure detecting method and device of the present invention, it is achieved that no oversleeve by way of wireless measurement heart beating ripple
The blood pressure measurement of formula.This invention simplifies contact-sensing equipment, need not be measured using multiple touch sensors, thus
Make user more convenient when implementing monitoring of blood pressure operation.
The foregoing is only embodiments of the present invention, not thereby limit the scope of the claims of the present invention, every utilization is originally
Equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, is included within the scope of the present invention.
Claims (10)
1. a kind of monitoring of blood pressure method is it is characterised in that methods described includes:
Obtain the heart beating ripple signal of measurand, and determine first time point in described heart beating ripple signal；
Obtain the photoplethysmographic signal of described measurand, and determine second in described photoplethysmographic signal
Time point；
Calculate the difference of described first time point and described second time point, obtain the pulse wave translation time of described measurand；
It is derived from the blood pressure information of described measurand according to described pulse wave translation time.
2. monitoring of blood pressure method according to claim 1 is it is characterised in that the heart beating ripple of described acquisition measurand is believed
Number, and determine that first time point includes in described heart beating ripple signal:
Obtain the moving wave shape figure of measurand chest；
Described moving wave shape figure is filtered process, obtains its corresponding heart beating ripple signal.
3. monitoring of blood pressure method according to claim 2 is it is characterised in that the heart beating ripple of described acquisition measurand is believed
Number, and determine that first time point also includes in described heart beating ripple signal:
Choose the reference state of blood flow movement；
According to described reference state, in described heart beating ripple signal, determine described first time point.
4. monitoring of blood pressure method according to claim 1 is it is characterised in that the photocapacitance of the described measurand of described acquisition
Long-pending pulse wave signal, and determine that the second time point includes in described photoplethysmographic signal:
Choose the ad-hoc location in described photoplethysmographic conductive process；
According to described feature locations, described photoplethysmographic signal determines described second time point.
5. monitoring of blood pressure method according to claim 1 it is characterised in that the described first time point of described calculating with described
The difference of the second time point, after obtaining the pulse wave translation time of described measurand, described according to described pulse transit when
Between be derived from described measurand blood pressure information before, also include:
According to the blood pressure difference that the motion of described measurand is forward and backward, determine the blood pressure reference value of described measurand, its
In, described blood pressure reference value is used for the blood pressure information of described measurand of deriving with reference to described pulse wave translation time.
6. a kind of blood pressure monitoring device is it is characterised in that described device includes:
Heart beating measurement module, for obtaining the heart beating ripple signal of measurand, and when determining first in described heart beating ripple signal
Between point；
Pulses measure module, for obtaining the photoplethysmographic signal of described measurand, and in described photoelectricity volume arteries and veins
Fight and determine the second time point in ripple signal；
Conduction computing module, for calculating the difference of described first time point and described second time point, obtains described measurand
Pulse wave translation time；
Blood pressure derivation module, for being derived from the blood pressure information of described measurand according to described pulse wave translation time.
7. blood pressure monitoring device according to claim 6 is it is characterised in that described heart beating measurement module includes moving wave shape
Figure measuring unit and moving wave shape figure filter unit, wherein,
Described moving wave shape figure measuring unit is used for obtaining the moving wave shape figure of measurand chest；
Described moving wave shape figure filter unit is used for described moving wave shape figure being filtered process, and obtains its corresponding heart beating ripple
Signal.
8. blood pressure monitoring device according to claim 7 is it is characterised in that when described heart beating measurement module also includes first
Between put determining unit, described first time point determining unit is used for choosing the reference state of blood flow movement, and according to described reference
State, determines described first time point in described heart beating ripple signal.
9. blood pressure monitoring device according to claim 6 is it is characterised in that described pulses measure module included for the second time
Point determining unit, described second time point determining unit is used for choosing the certain bits in described photoplethysmographic conductive process
Put, and according to described feature locations, described photoplethysmographic signal determines described second time point.
10. blood pressure monitoring device according to claim 1 is it is characterised in that also include reference value determining module, described ginseng
Examine value determining module for the blood pressure difference forward and backward according to the motion of described measurand, determine that the blood pressure of described measurand becomes
Change reference value, wherein, described blood pressure reference value is used for reference to the described pulse wave translation time described measurand of derivation
Blood pressure information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610919472.6A CN106333663A (en) | 2016-10-20 | 2016-10-20 | Blood pressure monitoring method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610919472.6A CN106333663A (en) | 2016-10-20 | 2016-10-20 | Blood pressure monitoring method and device |
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| Publication Number | Publication Date |
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| CN106333663A true CN106333663A (en) | 2017-01-18 |
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| CN108937896A (en) * | 2017-05-23 | 2018-12-07 | 深圳先进技术研究院 | A kind of central aortic blood pressure measuring method and equipment |
| CN109480802A (en) * | 2018-12-29 | 2019-03-19 | 中国科学院合肥物质科学研究院 | A kind of blood pressure parameter estimating system and method based on waveform analysis techniques |
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| CN110367958A (en) * | 2019-06-06 | 2019-10-25 | 北京麦迪克斯科技有限公司 | Blood pressure detecting method and device |
| CN111212594A (en) * | 2017-10-31 | 2020-05-29 | 三星电子株式会社 | Electronic device and method for determining conjunctival hyperemia degree by using electronic device |
| CN112515645A (en) * | 2021-02-07 | 2021-03-19 | 江西科莱富健康科技有限公司 | Blood pressure measurement data processing method and system and computer equipment |
| CN113633290A (en) * | 2021-08-18 | 2021-11-12 | 北京航空航天大学 | Method, apparatus, electronic device and readable storage medium for blood perfusion monitoring |
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| CN112515645A (en) * | 2021-02-07 | 2021-03-19 | 江西科莱富健康科技有限公司 | Blood pressure measurement data processing method and system and computer equipment |
| CN113633290A (en) * | 2021-08-18 | 2021-11-12 | 北京航空航天大学 | Method, apparatus, electronic device and readable storage medium for blood perfusion monitoring |
| CN113633290B (en) * | 2021-08-18 | 2022-04-01 | 北京航空航天大学 | Method, apparatus, electronic device and readable storage medium for blood perfusion monitoring |
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