CN103584846B - A kind of pulse signal detection method and blood pressure measuring device - Google Patents

A kind of pulse signal detection method and blood pressure measuring device Download PDF

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CN103584846B
CN103584846B CN201310543881.7A CN201310543881A CN103584846B CN 103584846 B CN103584846 B CN 103584846B CN 201310543881 A CN201310543881 A CN 201310543881A CN 103584846 B CN103584846 B CN 103584846B
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air bag
pulse signal
pressure
downstream
upstream
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CN103584846A (en
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陈云权
周萌
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Yasunao Medical Technology (danyang) Co Ltd
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Yasunao Medical Technology (danyang) Co Ltd
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Priority to PCT/CN2014/090344 priority patent/WO2015067173A1/en
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Abstract

The present invention is a kind of blood pressure measuring device, the main frame that blood pressure measuring device comprises oversleeve and is connected with oversleeve, upstream air bag and downstream air bag lay respectively at the upstream and downstream of tested limb artery blood flow, downstream air bag is for detecting the change information of pulse signal, the change of the blood flow pulse that real-time sensing is changed by the pressure of upstream air bag and produces, Microprocessor S3C44B0X air pump, gas bleeder valve and process detect the force value in one or two in upstream air bag and downstream air bag respectively or simultaneously by one or two in the first pressure transducer and the second pressure transducer, pulse signal, or force value and pulse signal.The device of Measure blood pressure provided by the invention is that colligation two aerating gasbags pressurize on limbs, effectively detects pressure wherein and pulse signal, thus accurately and reliably Measure blood pressure, and measurement result is stablized.

Description

A kind of pulse signal detection method and blood pressure measuring device
Technical field
The invention belongs to technical field of medical instruments, particularly relate to a kind of method detecting arterial blood pulse signal and the blood pressure measuring device using the method, especially a kind of pass through two inflatable bladders a body part blood flow upstream and downstream simultaneously detected pressures and pulse signal method and in this approach based on blood pressure measuring device.
Background technology
One of method that blood pressure measurement is the most frequently used adopts a kind of cuff with an inflatable bladders, first human body limb artery blood flow is blocked by pressurization, then slowly reduce pressure, in decompression process, the Korotkoff's Sound produced during by detecting blood flow by blocking district, or the information such as the strong and weak changing value of the pulse wave signal that produces in cuff of arterial pressure, determine systolic pressure and the diastolic pressure of arterial blood.Patent No. CN201010247968.6, title is that the patent documentation of " a kind of Woundless blood pressure measuring device and measuring method thereof " describes a kind of use pulse wave probe detection cuff downstream arterial pulse signal, thus determines the sphygomanometer of systolic pressure and diastolic pressure.This pulse wave probe detects cuff downstream arterial pulse signal by pressure inductor or photoelectric sensor, the patent No. is CN201220159276.0, the patent documentation that title is " a kind of double bolloon bandage " describes a kind of binary articulated double bolloon oversleeve, described cuff has upstream air bag bandage body and downstream air bag bandage body, and described upstream air bag bandage body and described downstream air bag bandage body are be fixedly connected with within 30cm according to artery blood flow direction spacing.Described downstream air bag bandage body for detecting tested limbs downstream blood liquid stream moving pulse, and determines the pressure of tested limb artery blood with this.
Prior art not yet solves upstream and downstream air bag bandage and should pressurize by which kind of mode and be pressurized to which kind of degree of pressure, the blood flow pulse that can be used for measuring tested limbs blood pressure could be detected most effectively in upstream and downstream air bag bandage, thus accurately, the problem of reliably Measure blood pressure.
Summary of the invention
In order to solve the problem, the invention provides a kind of accurate, reliable sphygomanometer, a kind of two inflatable bladders to colligation on limbs are particularly provided to carry out pneumatic compression, effectively to detect the method for pulse signal wherein, and use the device of the method Measurement accuracy sphygomanometer.
In order to achieve the above object, the present invention is achieved by the following technical solutions:
A kind of blood pressure measuring device of the present invention, measuring device is used for measuring arteriotony by measured's body part, and measuring device comprises
Two aerating gasbag upstream air bags and downstream air bag; Upstream air bag and downstream air bag are in same cuff or in two different cufves be connected or in two different cufves be not connected, and cuff is for being bundled in tested limbs;
Two with upstream air bag with and faint breath capsule in one or two pressure transducer first pressure transducer be connected respectively or simultaneously and the second pressure transducer;
A microprocessor, microprocessor performs the blood pressure measurement comprised the following steps:
A) by downstream gasbag pressurizes to the force value of between tested systolic arterial pressure and diastolic pressure, or the mean blood pressure value of tested tremulous pulse subtracts 10mmHg and average pressure value and adds a force value between 20mmHg, or a force value, makes the pulse signal amplitude detected in the air bag of downstream when this force value be greater than a set-point;
B) upstream air bag is pressurized to a force value higher than tested systolic arterial pressure;
C) upstream air bag is slowly lost heart, in the slow bleeding process of upstream air bag, the air pressure of constantly change in the air bag of upstream is measured by the first pressure transducer, and measure the pulse signal in the air bag of downstream by the second pressure transducer simultaneously, according to the relation between the air pressure in pulse signal and upstream air bag, determine tested auterial diastole pressure.
Further improvement of the present invention is: in steps A) in, be all in the process to downstream gasbag pressurizes by a force value between downstream gasbag pressurizes to the systolic pressure and diastolic pressure of tested tremulous pulse and method that downstream gasbag pressurizes is subtracted to the mean blood pressure value of tested tremulous pulse the force value that 10mmHg and average pressure value add between 20mmHg, pulse signal in the air bag of real-time detection downstream entrained by air pressure signal, when pulse signal amplitude is increased to maximum by zero, when then starting to decline, stop pressurization; With by downstream gasbag pressurizes to a force value, with the method making the pulse signal amplitude detected in the air bag of downstream when this force value be greater than a set-point be, by in the process to downstream gasbag pressurizes, pulse signal in the air bag of real-time detection downstream entrained by air pressure signal, when pulse signal amplitude by zero be increased to be greater than set-point time, stop pressurization;
In steps A) in, pulse signal amplitude set-point is a value between 1.3mmHg to 1.8mmHg, is preferably 1.5mmHg.
In step B) in, by upstream air bag, the method be pressurized to higher than a force value of tested systolic arterial pressure is, in the process to upstream gasbag pressurizes, the change of the pulse signal amplitude in the air bag of Real-Time Monitoring downstream, instantly the pulse signal amplitude in faint breath capsule with the increase of the air pressure of upstream air bag from diminishing greatly, when finally disappearing, stop pressurization.
Further improvement of the present invention is: by downstream gasbag pressurizes to a force value, the method making the pulse signal amplitude detected in the air bag of downstream when this force value be greater than a set-point is, to downstream air bag segmentation pressurization, and after each section of pressurization terminates, detect the pulse signal in the air bag of downstream, when pulse signal amplitude is greater than set-point, stop pressurization, to the segmented objects of downstream air bag segmentation pressurization be: 80mmHg, 120mmHg, 160mmHg, 200mmHg.
Further improvement of the present invention is: in step C) in, in the slow bleeding process of upstream air bag, the air pressure of constantly change in the air bag of upstream is measured by the first pressure transducer, and the time of origin of first pulse signal in the air bag of downstream is measured by the second pressure transducer, according to described pulse signal change from small to big last no longer change time described upstream air bag in air pressure, determine tested auterial diastole pressure.
Further improvement of the present invention is: in step C) in the slow bleeding process of upstream air bag, the air pressure of constantly change in the air bag of upstream is measured by the first pressure transducer, and measure the pulse signal in the air bag of downstream by the second pressure transducer, according to one of following parameters of described pulse signal change from small to big last no longer change time upstream air bag in atmospheric pressure value, determine tested arterial blood diastolic pressure: product, the area of pulse signal front half-wave time width, rear half-wave time width, all-wave time width, amplitude, amplitude and above-mentioned random time width.
A kind of pulse signal detection method, the method is for detecting air pressure in the cuff be bundled on tested limbs and pulse signal and interrelationship, and pulse signal detection method comprises the following steps:
(1) upstream air bag and downstream air bag are bundled on tested limbs, upstream air bag and downstream air bag are in same cuff or in two different cufves be connected or in two different cufves be not connected, upstream air bag and downstream air bag lay respectively at the upstream and downstream of tested limb artery blood flow;
(2) the first pressure transducer and the second pressure transducer are connected with one or two in upstream air bag and downstream air bag respectively or simultaneously by gas UNICOM parts;
(3) by downstream gasbag pressurizes to the force value of between tested systolic arterial pressure and diastolic pressure, or the mean blood pressure value of tested tremulous pulse subtracts 10mmHg and average pressure value and adds a force value between 20mmHg, or a force value, makes the pulse signal amplitude detected in the air bag of downstream when this force value be greater than a set-point;
(4) upstream air bag is pressurized to a force value higher than tested systolic arterial pressure;
(5) upstream air bag is slowly lost heart, in the slow bleeding process of upstream air bag, the air pressure of constantly change in the air bag of upstream is measured by the first pressure transducer, and measure the pulse signal in the air bag of downstream by the second pressure transducer, thus measure the relation in time of described pulse signal or range parameter and upstream air bag between atmospheric pressure value simultaneously.
Further improvement of the present invention is:
In step (3), by the method for a force value between downstream gasbag pressurizes to the systolic pressure and diastolic pressure of tested tremulous pulse with by the method that downstream gasbag pressurizes subtracts to the mean blood pressure value of tested tremulous pulse the force value that 10mmHg and average pressure value add between 20mmHg be, in the process to downstream gasbag pressurizes, pulse signal in the air bag of real-time detection downstream entrained by air pressure signal, when pulse signal amplitude is increased to maximum by zero, when then starting to decline, stop pressurization, with by downstream gasbag pressurizes to a force value, with the method making the pulse signal amplitude detected in the air bag of downstream when this force value be greater than a set-point be, by in the process to downstream gasbag pressurizes, pulse signal in the air bag of real-time detection downstream entrained by air pressure signal, when pulse signal amplitude by zero be increased to be greater than set-point time, stop pressurization,
In step (4), by upstream air bag, the method be pressurized to higher than a force value of tested systolic arterial pressure is, in the process to upstream gasbag pressurizes, the change of the pulse signal amplitude in the air bag of Real-Time Monitoring downstream, instantly the pulse signal amplitude in faint breath capsule with the increase of the air pressure of upstream air bag from diminishing greatly, when finally disappearing, stop pressurization; Pulse signal amplitude set-point is a value between 1.3mmHg-1.8 mmHg, is preferably 1.5mmHg.
By downstream gasbag pressurizes to a force value, the method making the pulse signal amplitude detected in the air bag of downstream when this force value be greater than a set-point is, to downstream air bag segmentation pressurization, and after each section of pressurization terminates, detect the pulse signal that in the air bag of downstream, air pressure signal carries, when pulse signal amplitude is greater than set-point, stop pressurization, the segmented objects of downstream air bag segmentation pressurization is, 80mmHg, 120mmHg, 160mmHg and 200mmHg.
Further improvement of the present invention is: in the slow bleeding process of upstream air bag, the air pressure of constantly change in the air bag of upstream is measured by the first pressure transducer, and measure the pulse signal in the air bag of downstream by the second pressure transducer, thus measure the air pressure when the little change of described pulse signal large last no longer change in the air bag of upstream.
Further improvement of the present invention is: in the slow bleeding process of upstream air bag, the air pressure of constantly change in the air bag of upstream is measured by the first pressure transducer, according to one of following parameters of described pulse signal change from small to big last no longer change time described upstream air bag in atmospheric pressure value, determine tested arterial blood diastolic pressure: product, the area of pulse signal front half-wave time width, rear half-wave time width, all-wave time width, amplitude, amplitude and above-mentioned random time width.
The invention has the beneficial effects as follows: the device of Measure blood pressure provided by the invention is that colligation two aerating gasbags pressurize on limbs, effectively detects pressure wherein and pulse signal, thus accurately and reliably Measure blood pressure, and measurement result is stablized.
Accompanying drawing explanation
Fig. 1 is the plane outspread drawing of the fan-shaped oversleeve of double bolloon of the present invention.
Fig. 2 is the use schematic diagram of the fan-shaped oversleeve of double bolloon of the present invention for hands forearm.
Fig. 3 is blood pressure measuring device connection diagram of the present invention.
Fig. 4 is blood pressure measuring device connection diagram of the present invention.
Fig. 5 is blood pressure measuring device connection diagram of the present invention.
Fig. 6 is that the present invention is reduced pressure measurement method systolic pressure and diastolic pressure pulse signal sequential chart.
Fig. 7 is 6A magnified partial view in Fig. 6 of the present invention.
Wherein: 1-upstream air bag, 2-downstream air bag, 3-first pressure transducer, 4-main frame, 5-second pressure transducer, 6-air pump, 7-gas bleeder valve, 8-oversleeve, 9-upstream trachea, 10-downstream trachea.
Detailed description of the invention
In order to deepen the understanding of the present invention, be described in further detail the present invention below in conjunction with drawings and Examples, this embodiment, only for explaining the present invention, not forming protection scope of the present invention and limiting.
As shown in figs. 1-7, the present invention is a kind of blood pressure measuring device, described measuring device is used for measuring arteriotony by measured's body part, the fan-shaped oversleeve of described double bolloon 8 can be a fan-shaped oversleeve of double bolloon, also can be the effect that two common oversleeves replace upstream air bag 1 and downstream air bag 2 respectively.
Embodiment one, measure pulse signal and diastolic pressure by decompression method
The present invention is a kind of blood pressure measuring device, the main frame 4 that described blood pressure measuring device comprises oversleeve 8 and is connected with described oversleeve 8, described oversleeve 8 is the fan-shaped oversleeves of double bolloon, the fan-shaped oversleeve of described double bolloon is the cuff be bundled on tested limbs of two gas cells of the two trachea of band and upstream air bag 1 and downstream air bag 2, described upstream air bag 1 and described downstream air bag 2 lay respectively at the upstream and downstream of tested limb artery blood flow, after binding, described upstream air bag 1 is fixed on wrist pulse upstream and blocks measured's elbow arterial blood flow, and be connected with the upstream balloon interface on described main frame 4, described downstream air bag 2 is fixed on the downstream portion detection wrist beat pulse in arterial blood flow direction and is connected with the downstream balloon interface on described main frame 4, described downstream air bag 2 is for detecting the change information of pulse signal, the change of the blood flow pulse that real-time sensing is changed by the pressure of described upstream air bag 1 and produces, the interpersonal interactive interface comprising keyboard and display that described main frame 4 comprises a microprocessor and is connected with described microprocessor, described main frame 4 also comprises air pump 6, gas bleeder valve 7, described main frame 4 also comprises the first pressure transducer 3 and the second pressure transducer 5, described first pressure transducer 3 and the second pressure transducer 5 are connected respectively or simultaneously by one or two of gas UNICOM parts and described upstream air bag 1 and described downstream air bag 2, described air pump 6 is the air pump 6 that at least one is inflated for one or two in described upstream air bag 1 and described downstream air bag 2, described gas bleeder valve 7 is for one or two in described upstream air bag 1 and described downstream air bag 2 at a slow speed or the gas bleeder valve 7 of quick air releasing, air pump 6 described in described Microprocessor S3C44B0X, gas bleeder valve 7 and process detect the force value in one or two in described upstream air bag 1 and described downstream air bag 2 respectively or simultaneously by one or two in the first pressure transducer 3 and the second pressure transducer 5, pulse signal, or force value and pulse signal, control and data processor is provided with in described microprocessor, described control and handling procedure perform the blood pressure measurement comprised the following steps:
A) described downstream air bag 2 is pressurized to a force value between tested systolic arterial pressure and diastolic pressure, or the mean blood pressure value of tested tremulous pulse subtracts 10mmHg and average pressure value and adds a force value between 20mmHg, or a force value, makes the pulse signal amplitude detected in described downstream air bag 2 when this force value be greater than a set-point;
B) upstream air bag 1 is pressurized to a force value higher than tested systolic arterial pressure;
C) upstream air bag 1 is slowly lost heart, in upstream air bag 1 slowly bleeding process, the air pressure of constantly change in upstream air bag 1 is measured by the first pressure transducer 3, and the pulse signal simultaneously measured by the second pressure transducer 5 in downstream air bag 2, according to the relation between the air pressure in described pulse signal and upstream air bag 1, determine tested auterial diastole pressure.
Scheme one, as shown in Fig. 3 and 6-7, measures diastolic pressure and pulse signal by decompression method, comprises the steps:
1) by a fan-shaped cuff of double bolloon, or the non-fan-shaped cuff of a double bolloon, or two joining cufves, or two not joining cufves are bound on tested limbs, wherein upstream air bag 1 and downstream air bag 2 lay respectively at the upstream and downstream of limb artery blood flow, and are connected with the upstream balloon interface on main frame 4 and downstream balloon interface with downstream trachea 10 respectively by upstream trachea 9 with downstream air bag 2 by upstream air bag 1;
2) press the start key of main frame 4 keyboard, the second gas bleeder valve cuts out, and the downward faint breath capsule 2 of the second air pump is inflated, and the air pressure of downstream air bag 2 slowly increases from zero;
3) this step has 4 kinds of embodiments, respectively as step 3-1), 3-2), 3-3) and 3-4):
3-1) in the process that downstream air bag 2 is pressurizeed, pulse signal in real-time detection downstream air bag 2, when described pulse signal amplitude is increased to maximum by zero, when then starting to decline, stop pressurization, now downstream air bag 2 is pressurized to a force value between tested systolic arterial pressure and diastolic pressure;
3-2) in the process that downstream air bag 2 is pressurizeed, pulse signal in real-time detection downstream air bag 2, when described pulse signal amplitude is increased to maximum by zero, when then starting to decline, stop pressurization, the mean blood pressure value that now downstream air bag 2 is pressurized to tested tremulous pulse subtracts 10mmHg and average pressure value and adds a force value between 20mmHg;
3-3) in the process that downstream air bag 2 is pressurizeed, pulse signal in real-time detection downstream air bag 2, when described pulse signal amplitude by zero be increased to be greater than set-point time, stop pressurization, described pulse signal amplitude set-point is a value between 1.3mmHg to 1.8mmHg, and preferred pulse signal amplitude set-point is 1.5mmHg;
3-4) downstream air bag 2 segmentation is pressurizeed, and after each section of pressurization terminates, detect the pulse signal in downstream air bag 2, when described pulse signal amplitude is greater than set-point, stop pressurization, the described segmented objects to downstream air bag 2 segmentation pressurization is 80mmHg, 120mmHg, 160mmHg, 200mmHg, described pulse signal amplitude set-point is a value between 1.3mmHg to 1.8mmHg, and preferred pulse signal amplitude set-point is 1.5mmHg;
4) the first gas bleeder valve cuts out, and the first air pump upstream air bag 1 is inflated, and upstream air bag 1 pressure increases from zero;
5) this step has 2 kinds of embodiments, respectively as step 5-1) and 5-2):
5-1) in the process that upstream air bag 1 is pressurizeed, the change of the pulse signal amplitude in Real-Time Monitoring downstream air bag 2, instantly the pulse signal amplitude in faint breath capsule 2 with the increase of the air pressure of upstream air bag 1 from diminishing greatly, when finally disappearing, stop pressurization, now upstream air bag 1 is pressurized to a force value higher than tested systolic arterial pressure;
5-2) upstream air bag 1 segmentation is pressurizeed, the described segmented objects to upstream air bag 1 segmentation pressurization is 180mmHg, 240mmHg, 280mmHg, and after each section of pressurization terminates, detect the pulse signal in downstream air bag 2, after described pulse signal disappears, stop pressurization, now upstream air bag 1 is pressurized to a force value higher than tested systolic arterial pressure;
6) the first gas bleeder valve is controlled, upstream air bag 1 is slowly lost heart, in upstream air bag 1 slowly bleeding process, the air pressure of constantly change in upstream air bag 1 is measured by the first pressure transducer 3, and the pulse signal measured by the second pressure transducer 5 in downstream air bag 2, according to the air pressure in described pulse signal and upstream air bag 1, determine tested auterial diastole pressure, describedly determine that the method for tested auterial diastole pressure has 6 kinds, respectively as step 6-1), 6-2), 6-3), 6-4), 6-5) and 6-6):
6-1) in upstream air bag 1 slowly bleeding process, the air pressure of constantly change in upstream air bag 1 is measured by the first pressure transducer 3, and the pulse signal measured by the second pressure transducer 5 in downstream air bag 2, according to the amplitude of described pulse signal change from small to big last no longer change time upstream air bag 1 in air pressure, determine tested auterial diastole pressure, such as, as Fig. 7, pulse signal p10 in the downstream air bag 2 detected, p11, p12, p13, the amplitude A 10 of p14 and p15, A11, A12, A13, A14 and A15, obtain A10<A11<A12<A13=A 14=A15, there is the moment in the pulse signal measured described pulse signal first amplitude is maximum and constant, the i.e. atmospheric pressure value of t13 moment upstream air bag 1, this atmospheric pressure value is tested auterial diastole pressure,
6-2) in upstream air bag 1 slowly bleeding process, the air pressure of constantly change in upstream air bag 1 is measured by the first pressure transducer 3, and the pulse signal measured by the second pressure transducer 5 in downstream air bag 2, according to the time width of described pulse signal all-wave change from small to big last no longer change time upstream air bag 1 in air pressure, determine tested auterial diastole pressure, such as, as Fig. 7, pulse signal p10 in the downstream air bag 2 detected, p11, p12, p13, the all-wave time width d0 of p14 and p15, d1, d2, d3, d4 and d5, obtain d0<d1<d2<d3=d4=d5, there is the moment in the pulse signal measured described pulse signal first all-wave time width is maximum and constant, the i.e. atmospheric pressure value of t13 moment upstream air bag 1, this atmospheric pressure value is tested auterial diastole pressure,
6-3) in the slow bleeding process of gas upstream capsule 1, the air pressure of constantly change in upstream air bag 1 is measured by the first pressure transducer 3, and the pulse signal in downstream air bag 2 measured by logical second excess pressure sensor 5, according to half-wave time width before described pulse signal change from small to big last no longer change time upstream air bag 1 in air pressure, determine tested auterial diastole pressure, such as, as Fig. 7, pulse signal p10 in the downstream air bag 2 detected, p11, p12, p13, the front half-wave time width d6 of p14 and p15, d7, d8, d9, d10 and d11, obtain d6<d7<d8<d9=d10=d 11, there is the moment in the pulse signal measured the front half-wave time width of described pulse signal first is maximum and constant, the i.e. atmospheric pressure value of t13 moment upstream air bag 1, this atmospheric pressure value is tested auterial diastole pressure,
6-4) in upstream air bag 1 slowly bleeding process, the air pressure of constantly change in upstream air bag 1 is measured by the first pressure transducer 3, and the pulse signal measured by the second pressure transducer 5 in downstream air bag 2, according to the rear half-wave time width of described pulse signal change from small to big last no longer change time upstream air bag 1 in air pressure, determine tested auterial diastole pressure, such as, as Fig. 7, pulse signal p10 in the downstream air bag 2 detected, p11, p12, p13, the rear half-wave time width d12 of p14 and p15, d13, d14, d15, d16 and d17, obtain d12<d13<d14<d15=d 16=d17, measure the pulse signal that half-wave time width is maximum and constant after described pulse signal first and the moment occurs, the i.e. atmospheric pressure value of t13 moment upstream air bag 1, this atmospheric pressure value is tested auterial diastole pressure,
6-5) in upstream air bag 1 slowly bleeding process, the air pressure of constantly change in upstream air bag 1 is measured by the first pressure transducer 3, and the pulse signal measured by the second pressure transducer 5 in downstream air bag 2, according to the area of described pulse signal change from small to big last no longer change time upstream air bag 1 in air pressure, determine tested auterial diastole pressure, such as, as Fig. 7, pulse signal p10 in the downstream air bag 2 detected, p11, p12, p13, the area S10 of p14 and p15, S11, S12, S13, S14 and S15, obtain S10< S11< S12< S13=S14=S15, there is the moment in the pulse signal measured described pulse signal first area is maximum and constant, the i.e. atmospheric pressure value of t13 moment upstream air bag 1, this atmospheric pressure value is tested auterial diastole pressure,
6-6) in upstream air bag 1 slowly bleeding process, the air pressure of constantly change in upstream air bag 1 is measured by the first pressure transducer 3, and the pulse signal measured by the second pressure transducer 5 in downstream air bag 2, according to the area of described pulse signal change from small to big last no longer change time upstream air bag 1 in air pressure, determine tested auterial diastole pressure, such as, as Fig. 7, pulse signal p10 in the downstream air bag 2 detected, p11, p12, p13, the amplitude A 10 of p14 and p15, A11, A12, A13, A14 and A15, all-wave time width d0, d1, d2, d3, d4 and d5, front half-wave time width d6, d7, d8, d9, d10 and d11, rear half-wave time width d12, d13, d14, d15, d16 and d17, the product of pulse signal amplitude in downstream air bag 2 and above-mentioned random time width, i.e. A10*d0<A11*d1<A12*d2LEssT.LTss T.LTA13*d3=A14*d4=A15*d5, or A10*d6<A11*d7<A12*d8LEssT.LTss T.LTA13*d9=A14*d10=A15*d11, or A10*d12<A11*d13<A12*d14LEssT.L TssT.LTA13*d15=A14*d16=A15*d17, there is the moment in the pulse signal measured first of product of described pulse signal amplitude and above-mentioned random time width is maximum and constant, the i.e. atmospheric pressure value of t13 moment upstream air bag 1, this atmospheric pressure value is tested auterial diastole pressure,
8) open the first gas bleeder valve and the second gas bleeder valve, lose heart to upstream air bag 1 and downstream air bag 2.
As shown in fig. 6-7, the atmospheric pressure value of the upstream air bag 1 in t13 moment is the diastolic pressure of tested tremulous pulse.
Scheme two: as shown in figure Fig. 4, uses decompression method to measure device and the measuring method of diastolic pressure and pulse signal
Diastolic pressure and pulse signal detection method comprise the steps:
1) by a fan-shaped cuff of double bolloon, or the non-fan-shaped cuff of a double bolloon, or two joining cufves, or two not joining cufves are bound on tested limbs, wherein upstream air bag 1 and downstream air bag 2 lay respectively at the upstream and downstream of limb artery blood flow, and are connected with the upstream balloon interface on main frame 4 and downstream balloon interface with downstream trachea 10 respectively by upstream trachea 9 with downstream air bag 2 by upstream air bag 1;
2) press the start key of main frame 4 keyboard, the first gas bleeder valve cuts out, and the first switch valve cuts out, and second switch valve is opened, and the downward faint breath capsule 2 of the first air pump is inflated, and the air pressure of downstream air bag 2 slowly increases from zero;
3) this step has 4 kinds of embodiments, respectively as step 3-1), 3-2), 3-3) and 3-4):
3-1) in the process that downstream air bag 2 is pressurizeed, pulse signal in real-time detection downstream air bag 2, when described pulse signal amplitude is increased to maximum by zero, when then starting to decline, stop pressurization, now downstream air bag 2 is pressurized to a force value between tested systolic arterial pressure and diastolic pressure;
3-2) in the process that downstream air bag 2 is pressurizeed, pulse signal in real-time detection downstream air bag 2, when described pulse signal amplitude is increased to maximum by zero, when then starting to decline, stop pressurization, the mean blood pressure value that now downstream air bag 2 is pressurized to tested tremulous pulse subtracts 10mmHg and average pressure value and adds a force value between 20mmHg;
3-3) in the process that downstream air bag 2 is pressurizeed, pulse signal in real-time detection downstream air bag 2, when described pulse signal amplitude by zero be increased to be greater than set-point time, stop pressurization, described pulse signal amplitude set-point is a value between 1.3mmHg to 1.8mmHg, and preferred pulse signal amplitude set-point is 1.5mmHg;
3-4) downstream air bag 2 segmentation is pressurizeed, and after each section of pressurization terminates, detect the pulse signal in downstream air bag 2, when described pulse signal amplitude is greater than set-point, stop pressurization, the described segmented objects to downstream air bag 2 segmentation pressurization is 80mmHg, 120mmHg, 160mmHg, 200mmHg, described pulse signal amplitude set-point is a value between 1.3mmHg to 1.8mmHg, and preferred pulse signal amplitude set-point is 1.5mmHg;
4) the first gas bleeder valve cuts out, and second switch valve cuts out, and the first switch valve is opened, and the first air pump upstream air bag 1 is inflated, and upstream air bag 1 pressure increases from zero;
5) this step has 2 kinds of embodiments, respectively as step 5-1) and 5-2):
5-1) in the process that upstream air bag 1 is pressurizeed, the change of the pulse signal amplitude in Real-Time Monitoring downstream air bag 2, instantly the pulse signal amplitude in faint breath capsule 2 with the increase of the air pressure of upstream air bag 1 from diminishing greatly, when finally disappearing, stop pressurization, now upstream air bag 1 is pressurized to a force value higher than tested systolic arterial pressure;
5-2) upstream air bag 1 segmentation is pressurizeed, the described segmented objects to upstream air bag 1 segmentation pressurization is 180mmHg, 240mmHg, 280mmHg, and after each section of pressurization terminates, detect the pulse signal in downstream air bag 2, after described pulse signal disappears, stop pressurization, now upstream air bag 1 is pressurized to a force value higher than tested systolic arterial pressure;
6) the first gas bleeder valve is controlled, upstream air bag 1 is slowly lost heart, in upstream air bag 1 slowly bleeding process, the air pressure of constantly change in upstream air bag 1 is measured by the first pressure transducer 3, and the pulse signal measured by the second pressure transducer 5 in downstream air bag 2, according to the air pressure in described pulse signal and upstream air bag 1, determine tested auterial diastole pressure, describedly determine that the method for tested auterial diastole pressure has 6 kinds, respectively as step 6-1), 6-2), 6-3), 6-4), 6-5) and 6-6):
6-1) in upstream air bag 1 slowly bleeding process, the air pressure of constantly change in upstream air bag 1 is measured by the first pressure transducer 3, and the pulse signal measured by the second pressure transducer 5 in downstream air bag 2, according to the amplitude of described pulse signal change from small to big last no longer change time upstream air bag 1 in air pressure, determine tested auterial diastole pressure, such as, as Fig. 7, pulse signal p10 in the downstream air bag 2 detected, p11, p12, p13, the amplitude A 10 of p14 and p15, A11, A12, A13, A14 and A15, obtain A10<A11<A12<A13=A 14=A15, there is the moment in the pulse signal measured described pulse signal first amplitude is maximum and constant, the i.e. atmospheric pressure value of t13 moment upstream air bag 1, this atmospheric pressure value is tested auterial diastole pressure,
6-2) in upstream air bag 1 slowly bleeding process, the air pressure of constantly change in upstream air bag 1 is measured by the first pressure transducer 3, and the pulse signal measured by the second pressure transducer 5 in downstream air bag 2, according to the time width of described pulse signal all-wave change from small to big last no longer change time upstream air bag 1 in air pressure, determine tested auterial diastole pressure, such as, as Fig. 7, pulse signal p10 in the downstream air bag 2 detected, p11, p12, p13, the all-wave time width d0 of p14 and p15, d1, d2, d3, d4 and d5, obtain d0<d1<d2<d3=d4=d5, there is the moment in the pulse signal measured described pulse signal first all-wave time width is maximum and constant, the i.e. atmospheric pressure value of t13 moment upstream air bag 1, this atmospheric pressure value is tested auterial diastole pressure,
6-3) in the slow bleeding process of gas upstream capsule 1, the air pressure of constantly change in upstream air bag 1 is measured by the first pressure transducer 3, and the pulse signal in downstream air bag 2 measured by logical second excess pressure sensor 5, according to half-wave time width before described pulse signal change from small to big last no longer change time upstream air bag 1 in air pressure, determine tested auterial diastole pressure, such as, as Fig. 7, pulse signal p10 in the downstream air bag 2 detected, p11, p12, p13, the front half-wave time width d6 of p14 and p15, d7, d8, d9, d10 and d11, obtain d6<d7<d8<d9=d10=d 11, there is the moment in the pulse signal measured the front half-wave time width of described pulse signal first is maximum and constant, the i.e. atmospheric pressure value of t13 moment upstream air bag 1, this atmospheric pressure value is tested auterial diastole pressure,
6-4) in upstream air bag 1 slowly bleeding process, the air pressure of constantly change in upstream air bag 1 is measured by the first pressure transducer 3, and the pulse signal measured by the second pressure transducer 5 in downstream air bag 2, according to the rear half-wave time width of described pulse signal change from small to big last no longer change time upstream air bag 1 in air pressure, determine tested auterial diastole pressure, such as, as Fig. 7, pulse signal p10 in the downstream air bag 2 detected, p11, p12, p13, the rear half-wave time width d12 of p14 and p15, d13, d14, d15, d16 and d17, obtain d12<d13<d14<d15=d 16=d17, measure the pulse signal that half-wave time width is maximum and constant after described pulse signal first and the moment occurs, the i.e. atmospheric pressure value of t13 moment upstream air bag 1, this atmospheric pressure value is tested auterial diastole pressure,
6-5) in upstream air bag 1 slowly bleeding process, the air pressure of constantly change in upstream air bag 1 is measured by the first pressure transducer 3, and the pulse signal measured by the second pressure transducer 5 in downstream air bag 2, according to the area of described pulse signal change from small to big last no longer change time upstream air bag 1 in air pressure, determine tested auterial diastole pressure, such as, as Fig. 7, pulse signal p10 in the downstream air bag 2 detected, p11, p12, p13, the area S10 of p14 and p15, S11, S12, S13, S14 and S15, obtain S10< S11< S12< S13=S14=S15, there is the moment in the pulse signal measured described pulse signal first area is maximum and constant, the i.e. atmospheric pressure value of t13 moment upstream air bag 1, this atmospheric pressure value is tested auterial diastole pressure,
6-6) in upstream air bag 1 slowly bleeding process, the air pressure of constantly change in upstream air bag 1 is measured by the first pressure transducer 3, and the pulse signal measured by the second pressure transducer 5 in downstream air bag 2, according to the area of described pulse signal change from small to big last no longer change time upstream air bag 1 in air pressure, determine tested auterial diastole pressure, such as, as Fig. 7, pulse signal p10 in the downstream air bag 2 detected, p11, p12, p13, the amplitude A 10 of p14 and p15, A11, A12, A13, A14 and A15, all-wave time width d0, d1, d2, d3, d4 and d5, front half-wave time width d6, d7, d8, d9, d10 and d11, rear half-wave time width d12, d13, d14, d15, d16 and d17, the product of pulse signal amplitude in downstream air bag 2 and above-mentioned random time width, i.e. A10*d0<A11*d1<A12*d2LEssT.LTss T.LTA13*d3=A14*d4=A15*d5, or A10*d6<A11*d7<A12*d8LEssT.LTss T.LTA13*d9=A14*d10=A15*d11, or A10*d12<A11*d13<A12*d14LEssT.L TssT.LTA13*d15=A14*d16=A15*d17, there is the moment in the pulse signal measured first of product of described pulse signal amplitude and above-mentioned random time width is maximum and constant, the i.e. atmospheric pressure value of t13 moment upstream air bag 1, this atmospheric pressure value is tested auterial diastole pressure,
8) open the first gas bleeder valve, close the first switch valve, open second switch valve, lose heart to upstream air bag 1 and downstream air bag 2.
Scheme three: as shown in Figure 5, uses decompression method to measure the method for diastolic pressure and pulse signal, comprises the steps:
1) by a fan-shaped cuff of double bolloon, or the non-fan-shaped cuff of a double bolloon, or two joining cufves, or two not joining cufves are bound on tested limbs, wherein upstream air bag 1 and downstream air bag 2 lay respectively at the upstream and downstream of limb artery blood flow, and are connected with the upstream balloon interface on main frame 4 and downstream balloon interface with downstream trachea 10 respectively by upstream trachea 9 with downstream air bag 2 by upstream air bag 1;
2) press the start key of main frame 4 keyboard, the path of three-way air valve UNICOM downstream air bag 2 and air pump also blocks the path of upstream air bag 1, and air pump is inflated to air bag 2, and the air pressure of downstream air bag 2 slowly increases from zero;
3) this step has 4 kinds of embodiments, respectively as step 3-1), 3-2), 3-3) and 3-4):
3-1) in the process that downstream air bag 2 is pressurizeed, pulse signal in real-time detection downstream air bag 2, when described pulse signal amplitude is increased to maximum by zero, when then starting to decline, stop pressurization, now downstream air bag 2 is pressurized to a force value between tested systolic arterial pressure and diastolic pressure;
3-2) in the process that downstream air bag 2 is pressurizeed, pulse signal in real-time detection downstream air bag 2, when described pulse signal amplitude is increased to maximum by zero, when then starting to decline, stop pressurization, the mean blood pressure value that now downstream air bag 2 is pressurized to tested tremulous pulse subtracts 10mmHg and average pressure value and adds a force value between 20mmHg;
3-3) in the process that downstream air bag 2 is pressurizeed, pulse signal in real-time detection downstream air bag 2, when described pulse signal amplitude by zero be increased to be greater than set-point time, stop pressurization, described pulse signal amplitude set-point is a value between 1.3mmHg to 1.8mmHg, and preferred pulse signal amplitude set-point is 1.5mmHg;
3-4) downstream air bag 2 segmentation is pressurizeed, and after each section of pressurization terminates, detect the pulse signal in downstream air bag 2, when described pulse signal amplitude is greater than set-point, stop pressurization, the described segmented objects to downstream air bag 2 segmentation pressurization is 80mmHg, 120mmHg, 160mmHg, 200mmHg, described pulse signal amplitude set-point is a value between 1.3mmHg to 1.8mmHg, and preferred pulse signal amplitude set-point is 1.5mmHg;
4) gas bleeder valve cuts out, and the path of three-way air valve UNICOM upstream air bag 1 and air pump also blocks the path of downstream air bag 2, and air pump upstream air bag 1 is inflated, and upstream air bag 1 pressure increases from zero;
5) this step has 2 kinds of embodiments, respectively as step 5-1) and 5-2):
5-1) in the process that upstream air bag 1 is pressurizeed, the change of the pulse signal amplitude in Real-Time Monitoring downstream air bag 2, instantly the pulse signal amplitude in faint breath capsule 2 with the increase of the air pressure of upstream air bag 1 from diminishing greatly, when finally disappearing, stop pressurization, now upstream air bag 1 is pressurized to a force value higher than tested systolic arterial pressure;
5-2) upstream air bag 1 segmentation is pressurizeed, the described segmented objects to upstream air bag 1 segmentation pressurization is 180mmHg, 240mmHg, 280mmHg, and after each section of pressurization terminates, detect the pulse signal in downstream air bag 2, after described pulse signal disappears, stop pressurization, now upstream air bag 1 is pressurized to a force value higher than tested systolic arterial pressure;
6) the first gas bleeder valve is controlled, upstream air bag 1 is slowly lost heart, in upstream air bag 1 slowly bleeding process, the air pressure of constantly change in upstream air bag 1 is measured by the first pressure transducer 3, and the pulse signal measured by the second pressure transducer 5 in downstream air bag 2, according to the air pressure in described pulse signal and upstream air bag 1, determine tested auterial diastole pressure, describedly determine that the method for tested auterial diastole pressure has 6 kinds, respectively as step 6-1), 6-2), 6-3), 6-4), 6-5) and 6-6):
6-1) in upstream air bag 1 slowly bleeding process, the air pressure of constantly change in upstream air bag 1 is measured by the first pressure transducer 3, and the pulse signal measured by the second pressure transducer 5 in downstream air bag 2, according to the amplitude of described pulse signal change from small to big last no longer change time upstream air bag 1 in air pressure, determine tested auterial diastole pressure, such as, as Fig. 7, pulse signal p10 in the downstream air bag 2 detected, p11, p12, p13, the amplitude A 10 of p14 and p15, A11, A12, A13, A14 and A15, obtain A10<A11<A12<A13=A 14=A15, there is the moment in the pulse signal measured described pulse signal first amplitude is maximum and constant, the i.e. atmospheric pressure value of t13 moment upstream air bag 1, this atmospheric pressure value is tested auterial diastole pressure,
6-2) in upstream air bag 1 slowly bleeding process, the air pressure of constantly change in upstream air bag 1 is measured by the first pressure transducer 3, and the pulse signal measured by the second pressure transducer 5 in downstream air bag 2, according to the time width of described pulse signal all-wave change from small to big last no longer change time upstream air bag 1 in air pressure, determine tested auterial diastole pressure, such as, as Fig. 7, pulse signal p10 in the downstream air bag 2 detected, p11, p12, p13, the all-wave time width d0 of p14 and p15, d1, d2, d3, d4 and d5, obtain d0<d1<d2<d3=d4=d5, there is the moment in the pulse signal measured described pulse signal first all-wave time width is maximum and constant, the i.e. atmospheric pressure value of t13 moment upstream air bag 1, this atmospheric pressure value is tested auterial diastole pressure,
6-3) in the slow bleeding process of gas upstream capsule 1, the air pressure of constantly change in upstream air bag 1 is measured by the first pressure transducer 3, and the pulse signal in downstream air bag 2 measured by logical second excess pressure sensor 5, according to half-wave time width before described pulse signal change from small to big last no longer change time upstream air bag 1 in air pressure, determine tested auterial diastole pressure, such as, as Fig. 7, pulse signal p10 in the downstream air bag 2 detected, p11, p12, p13, the front half-wave time width d6 of p14 and p15, d7, d8, d9, d10 and d11, obtain d6<d7<d8<d9=d10=d 11, there is the moment in the pulse signal measured the front half-wave time width of described pulse signal first is maximum and constant, the i.e. atmospheric pressure value of t13 moment upstream air bag 1, this atmospheric pressure value is tested auterial diastole pressure,
6-4) in upstream air bag 1 slowly bleeding process, the air pressure of constantly change in upstream air bag 1 is measured by the first pressure transducer 3, and the pulse signal measured by the second pressure transducer 5 in downstream air bag 2, according to the rear half-wave time width of described pulse signal change from small to big last no longer change time upstream air bag 1 in air pressure, determine tested auterial diastole pressure, such as, as Fig. 7, pulse signal p10 in the downstream air bag 2 detected, p11, p12, p13, the rear half-wave time width d12 of p14 and p15, d13, d14, d15, d16 and d17, obtain d12<d13<d14<d15=d 16=d17, measure the pulse signal that half-wave time width is maximum and constant after described pulse signal first and the moment occurs, the i.e. atmospheric pressure value of t13 moment upstream air bag 1, this atmospheric pressure value is tested auterial diastole pressure,
6-5) in upstream air bag 1 slowly bleeding process, the air pressure of constantly change in upstream air bag 1 is measured by the first pressure transducer 3, and the pulse signal measured by the second pressure transducer 5 in downstream air bag 2, according to the area of described pulse signal change from small to big last no longer change time upstream air bag 1 in air pressure, determine tested auterial diastole pressure, such as, as Fig. 7, pulse signal p10 in the downstream air bag 2 detected, p11, p12, p13, the area S10 of p14 and p15, S11, S12, S13, S14 and S15, obtain S10< S11< S12< S13=S14=S15, there is the moment in the pulse signal measured described pulse signal first area is maximum and constant, the i.e. atmospheric pressure value of t13 moment upstream air bag 1, this atmospheric pressure value is tested auterial diastole pressure,
6-6) in upstream air bag 1 slowly bleeding process, the air pressure of constantly change in upstream air bag 1 is measured by the first pressure transducer 3, and the pulse signal measured by the second pressure transducer 5 in downstream air bag 2, according to the area of described pulse signal change from small to big last no longer change time upstream air bag 1 in air pressure, determine tested auterial diastole pressure, such as, as Fig. 7, pulse signal p10 in the downstream air bag 2 detected, p11, p12, p13, the amplitude A 10 of p14 and p15, A11, A12, A13, A14 and A15, all-wave time width d0, d1, d2, d3, d4 and d5, front half-wave time width d6, d7, d8, d9, d10 and d11, rear half-wave time width d12, d13, d14, d15, d16 and d17, the product of pulse signal amplitude in downstream air bag 2 and above-mentioned random time width, i.e. A10*d0<A11*d1<A12*d2LEssT.LTss T.LTA13*d3=A14*d4=A15*d5, or A10*d6<A11*d7<A12*d8LEssT.LTss T.LTA13*d9=A14*d10=A15*d11, or A10*d12<A11*d13<A12*d14LEssT.L TssT.LTA13*d15=A14*d16=A15*d17, there is the moment in the pulse signal measured first of product of described pulse signal amplitude and above-mentioned random time width is maximum and constant, the i.e. atmospheric pressure value of t13 moment upstream air bag 1, this atmospheric pressure value is tested auterial diastole pressure,
8) gas bleeder valve is opened, the path of three-way air valve UNICOM upstream air bag 1 and air pump also blocks the path of downstream air bag 2, lose heart to upstream air bag 1, then the path of three-way air valve UNICOM downstream air bag 2 and air pump is blocked the path of upstream air bag 1, lose heart to downstream air bag 2.
Embodiment two, use decompression method measure the apparatus and method of systolic pressure and pulse signal
Device of the present invention is also applicable to the detection of the pulse signal of systolic pressure,
Be provided with control and data processor in microprocessor, described control and handling procedure perform the blood pressure measurement comprised the following steps:
A) described downstream air bag 2 is pressurized to a force value between tested systolic arterial pressure and diastolic pressure, or the mean blood pressure value of tested tremulous pulse subtracts 10mmHg and average pressure value and adds a force value between 20mmHg, or a force value, makes the pulse signal amplitude detected in described downstream air bag 2 when this force value be greater than a set-point;
B) upstream air bag 1 is pressurized to a force value higher than tested systolic arterial pressure;
C) upstream air bag 1 is slowly lost heart, in upstream air bag 1 slowly bleeding process, the air pressure of constantly change in upstream air bag 1 is measured by the first pressure transducer 3, and the pulse signal measured by the second pressure transducer 5 in downstream air bag 2, according to the air pressure in the upstream air bag 1 when described pulse signal occurs, determine tested systolic arterial pressure.
Scheme one: as shown in Figure 3, uses decompression method to measure the method for systolic pressure pulse signal and blood pressure, comprises step:
1) by a fan-shaped cuff of double bolloon, or the non-fan-shaped cuff of a double bolloon, or two joining cufves, or two not joining cufves are bound on tested limbs, wherein upstream air bag 1 and downstream air bag 2 lay respectively at the upstream and downstream of limb artery blood flow, and are connected with the upstream balloon interface on main frame 4 and downstream balloon interface with downstream trachea 10 respectively by upstream trachea 9 with downstream air bag 2 by upstream air bag 1;
2) press the start key of main frame 4 keyboard, the second gas bleeder valve cuts out, and the downward faint breath capsule 2 of the second air pump is inflated, and the air pressure of downstream air bag 2 slowly increases from zero;
3) this step has 4 kinds of embodiments, respectively as step 3-1), 3-2), 3-3) and 3-4):
3-1) in the process that downstream air bag 2 is pressurizeed, pulse signal in real-time detection downstream air bag 2, when described pulse signal amplitude is increased to maximum by zero, when then starting to decline, stop pressurization, now downstream air bag 2 is pressurized to a force value between tested systolic arterial pressure and diastolic pressure;
3-2) in the process that downstream air bag 2 is pressurizeed, pulse signal in real-time detection downstream air bag 2, when described pulse signal amplitude is increased to maximum by zero, when then starting to decline, stop pressurization, the mean blood pressure value that now downstream air bag 2 is pressurized to tested tremulous pulse subtracts 10mmHg and average pressure value and adds a force value between 20mmHg;
3-3) in the process that downstream air bag 2 is pressurizeed, pulse signal in real-time detection downstream air bag 2, when described pulse signal amplitude by zero be increased to be greater than set-point time, stop pressurization, described pulse signal amplitude set-point is a value between 1.3mmHg to 1.8mmHg, and preferred pulse signal amplitude set-point is 1.5mmHg;
3-4) downstream air bag 2 segmentation is pressurizeed, and after each section of pressurization terminates, detect the pulse signal in downstream air bag 2, when described pulse signal amplitude is greater than set-point, stop pressurization, the described segmented objects to downstream air bag 2 segmentation pressurization is 80mmHg, 120mmHg, 160mmHg, 200mmHg, described pulse signal amplitude set-point is a value between 1.3mmHg to 1.8mmHg, and preferred pulse signal amplitude set-point is 1.5mmHg;
4) the first gas bleeder valve cuts out, and the first air pump upstream air bag 1 is inflated, and upstream air bag 1 pressure increases from zero;
5) this step has 2 kinds of embodiments, respectively as step 5-1) and 5-2):
5-1) in the process that upstream air bag 1 is pressurizeed, the change of the pulse signal amplitude in Real-Time Monitoring downstream air bag 2, instantly the pulse signal amplitude in faint breath capsule 2 with the increase of the air pressure of upstream air bag 1 from diminishing greatly, when finally disappearing, stop pressurization, now upstream air bag 1 is pressurized to a force value higher than tested systolic arterial pressure;
5-2) upstream air bag 1 segmentation is pressurizeed, the described segmented objects to upstream air bag 1 segmentation pressurization is 180mmHg, 240mmHg, 280mmHg, and after each section of pressurization terminates, detect the pulse signal in downstream air bag 2, after described pulse signal disappears, stop pressurization, now upstream air bag 1 is pressurized to a force value higher than tested systolic arterial pressure;
6) first gas bleeder valve is controlled, upstream air bag 1 is slowly lost heart, in upstream air bag 1 slowly bleeding process, the air pressure of constantly change in upstream air bag 1 is measured by the first pressure transducer 3, and measure the pulse signal in downstream air bag 2 by the second pressure transducer, according to the air pressure in described pulse signal and upstream air bag 1, determine tested systolic arterial pressure, describedly determine that the method for tested systolic arterial pressure has 2 kinds, respectively as step 6-1) and 6-2):
6-1) in upstream air bag 1 slowly bleeding process, the air pressure of constantly change in upstream air bag 1 is measured by the first pressure transducer 3, and the time of origin of first pulse signal in downstream air bag 2 is detected by the second pressure transducer 5, according to the air pressure in the upstream air bag 1 when described first pulse signal occurs, determine tested systolic arterial pressure, such as, measure the generation moment of the peak value of first pulse signal in the downstream air bag 2 detected, with the atmospheric pressure value measured at the generation moment upstream air bag 1 of the peak value of described first pulse signal, the atmospheric pressure value of described upstream air bag 1 is tested systolic arterial pressure, or with measurement is at the atmospheric pressure value of the generation moment upstream air bag 1 of described peak value, with the atmospheric pressure value of former and later two moment upstream air bags 1 in the generation moment at described peak value, the meansigma methods of getting these 3 values is tested systolic arterial pressure,
6-2) in upstream air bag 1 slowly bleeding process, the air pressure of constantly change in upstream air bag 1 is measured by the first pressure transducer 3, and amplitude and the time of origin of first and second pulse signal in downstream air bag 2 is measured by the second pressure transducer 5, with the atmospheric pressure value in the upstream air bag 1 when first and second pulse signal occur, determine tested arterial blood systolic pressure, such as measure peak value and the time of origin of first and second pulse signal in the downstream air bag 2 detected, with two atmospheric pressure values of measurement in the time of origin upstream air bag 1 of the peak value of described first and second pulse signal, the time of origin of the previous pulse wave do not detected of first pulse wave signal is extrapolated according to the peak value of first and second pulse signal of above-mentioned surveyed downstream air bag 2 and time of origin, again according to two atmospheric pressure values in the time of origin of the extrapolated previous pulse wave do not detected and above-mentioned surveyed upstream air bag 1, extrapolate the atmospheric pressure value of the generation moment upstream air bag 1 of the previous pulse wave do not detected of downstream air bag 2 first pulse wave signals, this atmospheric pressure value is tested systolic arterial pressure,
8) open the first gas bleeder valve and the second gas bleeder valve, lose heart to upstream air bag 1 and downstream air bag 2.
As in Fig. 6, t0-t4 is shown as this device detects systolic pressure pulse signal sequential chart by decompression method.
Scheme two: the method using decompression method to measure systolic pressure pulse signal and Measure blood pressure as shown in Figure 4 comprises the following steps:
1) by a fan-shaped cuff of double bolloon, or the non-fan-shaped cuff of a double bolloon, or two joining cufves, or two not joining cufves are bound on tested limbs, wherein upstream air bag 1 and downstream air bag 2 lay respectively at the upstream and downstream of limb artery blood flow, and are connected with the upstream balloon interface on main frame 4 and downstream balloon interface with downstream trachea 10 respectively by upstream trachea 9 with downstream air bag 2 by upstream air bag 1;
2) press the start key of main frame 4 keyboard, the first gas bleeder valve cuts out, and the first switch valve cuts out, and second switch valve is opened, and the first air pump is inflated to air bag 2, and the air pressure of downstream air bag 2 slowly increases from zero;
3) this step has 4 kinds of embodiments, respectively as step 3-1), 3-2), 3-3) and 3-4):
3-1) in the process that downstream air bag 2 is pressurizeed, pulse signal in real-time detection downstream air bag 2, when described pulse signal amplitude is increased to maximum by zero, when then starting to decline, stop pressurization, now downstream air bag 2 is pressurized to a force value between tested systolic arterial pressure and diastolic pressure;
3-2) in the process that downstream air bag 2 is pressurizeed, pulse signal in real-time detection downstream air bag 2, when described pulse signal amplitude is increased to maximum by zero, when then starting to decline, stop pressurization, the mean blood pressure value that now downstream air bag 2 is pressurized to tested tremulous pulse subtracts 10mmHg and average pressure value and adds a force value between 20mmHg;
3-3) in the process that downstream air bag 2 is pressurizeed, pulse signal in real-time detection downstream air bag 2, when described pulse signal amplitude by zero be increased to be greater than set-point time, stop pressurization, described pulse signal amplitude set-point is a value between 1.3mmHg to 1.8mmHg, and preferred pulse signal amplitude set-point is 1.5mmHg;
3-4) downstream air bag 2 segmentation is pressurizeed, and after each section of pressurization terminates, detect the pulse signal in downstream air bag 2, when described pulse signal amplitude is greater than set-point, stop pressurization, the described segmented objects to downstream air bag 2 segmentation pressurization is 80mmHg, 120mmHg, 160mmHg, 200mmHg, described pulse signal amplitude set-point is a value between 1.3mmHg to 1.8mmHg, and preferred pulse signal amplitude set-point is 1.5mmHg;
4) the first gas bleeder valve cuts out, and second switch valve cuts out, and the first switch valve is opened, and the first air pump upstream air bag 1 is inflated, and upstream air bag 1 pressure increases from zero;
5) this step has 2 kinds of embodiments, respectively as step 5-1) and 5-2):
5-1) in the process that upstream air bag 1 is pressurizeed, the change of the pulse signal amplitude in Real-Time Monitoring downstream air bag 2, instantly the pulse signal amplitude in faint breath capsule 2 with the increase of the air pressure of upstream air bag 1 from diminishing greatly, when finally disappearing, stop pressurization, now upstream air bag 1 is pressurized to a force value higher than tested systolic arterial pressure;
5-2) upstream air bag 1 segmentation is pressurizeed, the described segmented objects to upstream air bag 1 segmentation pressurization is 180mmHg, 240mmHg, 280mmHg, and after each section of pressurization terminates, detect the pulse signal in downstream air bag 2, after described pulse signal disappears, stop pressurization, now upstream air bag 1 is pressurized to a force value higher than tested systolic arterial pressure;
6) the first gas bleeder valve is controlled, upstream air bag 1 is slowly lost heart, in upstream air bag 1 slowly bleeding process, the air pressure of constantly change in upstream air bag 1 is measured by the first pressure transducer 3, and measure the pulse signal in downstream air bag 2 by the second pressure transducer, according to the air pressure in described pulse signal and upstream air bag 1, determine tested systolic arterial pressure, describedly determine that the method for tested systolic arterial pressure has 2 kinds, respectively as step 6-1) and 6-2):
6-1) in upstream air bag 1 slowly bleeding process, the air pressure of constantly change in upstream air bag 1 is measured by the first pressure transducer 3, and the time of origin of first pulse signal in downstream air bag 2 is detected by the second pressure transducer 5, according to the air pressure in the upstream air bag 1 when described first pulse signal occurs, determine tested systolic arterial pressure, such as, measure the generation moment of the peak value of first pulse signal in the downstream air bag 2 detected, with the atmospheric pressure value measured at the generation moment upstream air bag 1 of the peak value of described first pulse signal, the atmospheric pressure value of described upstream air bag 1 is tested systolic arterial pressure, or with measurement is at the atmospheric pressure value of the generation moment upstream air bag 1 of described peak value, with the atmospheric pressure value of former and later two moment upstream air bags 1 in the generation moment at described peak value, the meansigma methods of getting these 3 values is tested systolic arterial pressure,
6-2) in upstream air bag 1 slowly bleeding process, the air pressure of constantly change in upstream air bag 1 is measured by the first pressure transducer 3, and amplitude and the time of origin of first and second pulse signal in downstream air bag 2 is measured by the second pressure transducer 5, with the atmospheric pressure value in the upstream air bag 1 when first and second pulse signal occur, determine tested arterial blood systolic pressure, such as measure peak value and the time of origin of first and second pulse signal in the downstream air bag 2 detected, with two atmospheric pressure values of measurement in the time of origin upstream air bag 1 of the peak value of described first and second pulse signal, the time of origin of the previous pulse wave do not detected of first pulse wave signal is extrapolated according to the peak value of first and second pulse signal of above-mentioned surveyed downstream air bag 2 and time of origin, again according to two atmospheric pressure values in the time of origin of the extrapolated previous pulse wave do not detected and above-mentioned surveyed upstream air bag 1, extrapolate the atmospheric pressure value of the generation moment upstream air bag 1 of the previous pulse wave do not detected of downstream air bag 2 first pulse wave signals, this atmospheric pressure value is tested systolic arterial pressure,
8) open the first gas bleeder valve and close the first switch valve, open second switch valve, lose heart to upstream air bag 1 and downstream air bag 2.
Scheme three: as shown in Figure 5, the method using decompression method to measure systolic pressure pulse signal and Measure blood pressure comprises the steps:
1) by a fan-shaped cuff of double bolloon, or the non-fan-shaped cuff of a double bolloon, or two joining cufves, or two not joining cufves are bound on tested limbs, wherein upstream air bag 1 and downstream air bag 2 lay respectively at the upstream and downstream of limb artery blood flow, and are connected with the upstream balloon interface on main frame 4 and downstream balloon interface with downstream trachea 10 respectively by upstream trachea 9 with downstream air bag 2 by upstream air bag 1;
2) press the start key of main frame 4 keyboard, the path of three-way air valve UNICOM downstream air bag 2 and air pump also blocks the path of upstream air bag 1, and air pump is inflated to air bag 2, and the air pressure of downstream air bag 2 slowly increases from zero;
3) this step has 4 kinds of embodiments, respectively as step 3-1), 3-2), 3-3) and 3-4):
3-1) in the process that downstream air bag 2 is pressurizeed, pulse signal in real-time detection downstream air bag 2, when described pulse signal amplitude is increased to maximum by zero, when then starting to decline, stop pressurization, now downstream air bag 2 is pressurized to a force value between tested systolic arterial pressure and diastolic pressure;
3-2) in the process that downstream air bag 2 is pressurizeed, pulse signal in real-time detection downstream air bag 2, when described pulse signal amplitude is increased to maximum by zero, when then starting to decline, stop pressurization, the mean blood pressure value that now downstream air bag 2 is pressurized to tested tremulous pulse subtracts 10mmHg and average pressure value and adds a force value between 20mmHg;
3-3) in the process that downstream air bag 2 is pressurizeed, pulse signal in real-time detection downstream air bag 2, when described pulse signal amplitude by zero be increased to be greater than set-point time, stop pressurization, described pulse signal amplitude set-point is a value between 1.3mmHg to 1.8mmHg, and preferred pulse signal amplitude set-point is 1.5mmHg;
3-4) downstream air bag 2 segmentation is pressurizeed, and after each section of pressurization terminates, detect the pulse signal in downstream air bag 2, when described pulse signal amplitude is greater than set-point, stop pressurization, the described segmented objects to downstream air bag 2 segmentation pressurization is 80mmHg, 120mmHg, 160mmHg, 200mmHg, described pulse signal amplitude set-point is a value between 1.3mmHg to 1.8mmHg, and preferred pulse signal amplitude set-point is 1.5mmHg;
4) gas bleeder valve cuts out, and the path of three-way air valve UNICOM upstream air bag 1 and air pump also blocks the path of downstream air bag 2, and air pump upstream air bag 1 is inflated, and upstream air bag 1 pressure increases from zero;
5) this step has 2 kinds of embodiments, respectively as step 5-1) and 5-2):
5-1) in the process that upstream air bag 1 is pressurizeed, the change of the pulse signal amplitude in Real-Time Monitoring downstream air bag 2, instantly the pulse signal amplitude in faint breath capsule 2 with the increase of the air pressure of upstream air bag 1 from diminishing greatly, when finally disappearing, stop pressurization, now upstream air bag 1 is pressurized to a force value higher than tested systolic arterial pressure;
5-2) upstream air bag 1 segmentation is pressurizeed, the described segmented objects to upstream air bag 1 segmentation pressurization is 180mmHg, 240mmHg, 280mmHg, and after each section of pressurization terminates, detect the pulse signal in downstream air bag 2, after described pulse signal disappears, stop pressurization, now upstream air bag 1 is pressurized to a force value higher than tested systolic arterial pressure;
6) gas bleeder valve is controlled, upstream air bag 1 is slowly lost heart, in upstream air bag 1 slowly bleeding process, the air pressure of constantly change in upstream air bag 1 is measured by the first pressure transducer 3, and measure the pulse signal in downstream air bag 2 by the second pressure transducer, according to the air pressure in described pulse signal and upstream air bag 1, determine tested systolic arterial pressure, describedly determine that the method for tested systolic arterial pressure has 2 kinds, respectively as step 6-1) and 6-2):
6-1) in upstream air bag 1 slowly bleeding process, the air pressure of constantly change in upstream air bag 1 is measured by the first pressure transducer 3, and the time of origin of first pulse signal in downstream air bag 2 is detected by the second pressure transducer 5, according to the air pressure in the upstream air bag 1 when described first pulse signal occurs, determine tested systolic arterial pressure, such as, measure the generation moment of the peak value of first pulse signal in the downstream air bag 2 detected, with the atmospheric pressure value measured at the generation moment upstream air bag 1 of the peak value of described first pulse signal, the atmospheric pressure value of described upstream air bag 1 is tested systolic arterial pressure, or with measurement is at the atmospheric pressure value of the generation moment upstream air bag 1 of described peak value, with the atmospheric pressure value of former and later two moment upstream air bags 1 in the generation moment at described peak value, the meansigma methods of getting these 3 values is tested systolic arterial pressure,
6-2) in upstream air bag 1 slowly bleeding process, the air pressure of constantly change in upstream air bag 1 is measured by the first pressure transducer 3, and amplitude and the time of origin of first and second pulse signal in downstream air bag 2 is measured by the second pressure transducer 5, with the atmospheric pressure value in the upstream air bag 1 when first and second pulse signal occur, determine tested arterial blood systolic pressure, such as measure peak value and the time of origin of first and second pulse signal in the downstream air bag 2 detected, with two atmospheric pressure values of measurement in the time of origin upstream air bag 1 of the peak value of described first and second pulse signal, the time of origin of the previous pulse wave do not detected of first pulse wave signal is extrapolated according to the peak value of first and second pulse signal of above-mentioned surveyed downstream air bag 2 and time of origin, again according to two atmospheric pressure values in the time of origin of the extrapolated previous pulse wave do not detected and above-mentioned surveyed upstream air bag 1, extrapolate the atmospheric pressure value of the generation moment upstream air bag 1 of the previous pulse wave do not detected of downstream air bag 2 first pulse wave signals, this atmospheric pressure value is tested systolic arterial pressure,
8) gas bleeder valve is opened, the path of three-way air valve UNICOM upstream air bag 1 and air pump also blocks the path of downstream air bag 2, lose heart to upstream air bag 1, then the path of three-way air valve UNICOM downstream air bag 2 and air pump is blocked the path of upstream air bag 1, lose heart to downstream air bag 2.
The device of Measure blood pressure provided by the invention is that colligation two aerating gasbags pressurize on limbs, have and the most effectively the blood flow pulse that can be used for tested limbs blood pressure detected at upstream and downstream air bag bandage, the signal of effective detection wherein pulse, Measure blood pressure accurately and reliably, and measurement result is stablized.

Claims (8)

1. a blood pressure measuring device, described measuring device is used for measuring arteriotony by measured's body part, it is characterized in that: described measuring device comprises
Two aerating gasbags: upstream air bag (1) with and downstream air bag (2); Described upstream air bag (1) and downstream air bag (2) are in same cuff or in two different cufves be connected or in two different cufves be not connected, described cuff is for being bundled in described limbs;
Two pressure transducers: the first pressure transducer (3) be connected with described upstream air bag (1) and the second pressure transducer (5) be connected with described downstream air bag (2);
A microprocessor, described microprocessor performs the blood pressure measurement comprised the following steps:
A) described downstream air bag (2) is pressurized to a force value between tested systolic arterial pressure and diastolic pressure, or the mean blood pressure value of tested tremulous pulse subtracts 10mmHg and average pressure value and adds a force value between 20mmHg, or a force value, makes the pulse signal amplitude detected in described downstream air bag (2) when this force value be greater than a set-point;
B) described upstream air bag (1) is pressurized to a force value higher than tested systolic arterial pressure;
C) slowly lost heart in described upstream air bag (1), in described upstream air bag (1) slowly bleeding process, the air pressure of constantly change in described upstream air bag (1) is measured by described first pressure transducer (3), and the pulse signal simultaneously measured by described second pressure transducer (5) in described downstream air bag (2), according to the air pressure in described pulse signal and described upstream air bag (1), determine tested auterial diastole pressure;
Wherein:
At described step C) in, in described upstream air bag (1) slowly bleeding process, the air pressure of constantly change in described upstream air bag (1) is measured by described first pressure transducer (3), and the pulse signal measured by described second pressure transducer (5) in described downstream air bag (2), according to described pulse signal change from small to big last no longer change time described upstream air bag (1) in air pressure, determine tested auterial diastole pressure.
2. a kind of blood pressure measuring device according to claim 1, is characterized in that:
In described steps A) in, the method that the mean blood pressure value described downstream air bag (2) being pressurized to a force value between the systolic pressure of tested tremulous pulse and diastolic pressure and described downstream air bag (2) being pressurized to tested tremulous pulse subtracts the force value that 10mmHg and average pressure value add between 20mmHg is in the process of pressurizeing to described downstream air bag (2), pulse signal in real-time detection described downstream air bag (2) entrained by air pressure signal, when described pulse signal amplitude is increased to maximum by zero, when then starting to decline, stop pressurization; A force value is pressurized to by downstream air bag (2), with the method making the pulse signal amplitude detected in downstream air bag (2) when this force value be greater than a set-point be, will in the process pressurizeed in described downstream air bag (2), pulse signal in real-time detection described downstream air bag (2) entrained by air pressure signal, when described pulse signal amplitude by zero be increased to be greater than set-point time, stop pressurization;
In described steps A) in, described pulse signal amplitude set-point is a value between 1.3mmHg to 1.8mmHg;
At described step B) in, by the method that described upstream air bag (1) is pressurized to higher than a force value of tested systolic arterial pressure be, in the process pressurizeed in described upstream air bag (1), the change of the pulse signal amplitude in Real-Time Monitoring downstream air bag (2), when the pulse signal amplitude in described downstream air bag (2) with the increase of the air pressure of described upstream air bag (1) from diminishing greatly, when finally disappearing, stop pressurization.
3. a kind of blood pressure measuring device according to claim 1, it is characterized in that: described downstream air bag (2) is pressurized to a force value, the method making the pulse signal amplitude detected in downstream air bag (2) when this force value be greater than a set-point is, downstream air bag (2) segmentation is pressurizeed, and after each section of pressurization terminates, detect the pulse signal in downstream air bag (2), when described pulse signal amplitude is greater than set-point, stop pressurization, the segmented objects of described downstream air bag (2) segmentation pressurization is: 80mmHg, 120mmHg, 160mmHg, 200mmHg.
4. a kind of blood pressure measuring device according to claim 1, it is characterized in that: at described step C) in described upstream air bag (1) slowly bleeding process, the air pressure of constantly change in described upstream air bag (1) is measured by described first pressure transducer (3), and the pulse signal measured by described second pressure transducer (5) in described downstream air bag (2), according to one of following parameters of described pulse signal change from small to big last no longer change time described upstream air bag (1) in atmospheric pressure value, determine tested arterial blood diastolic pressure: half-wave time width before pulse signal, rear half-wave time width, all-wave time width, amplitude, the product of amplitude and above-mentioned random time width, area.
5. a pulse signal detection method, the method, for detecting air pressure in the cuff be bundled on tested limbs and pulse signal and interrelationship, is characterized in that: described pulse signal detection method comprises the following steps:
(1) by a upstream air bag (1) and once faint breath capsule (2) be bundled on tested limbs, described upstream air bag (1) and described downstream air bag (2) are in same cuff or in two different cufves be connected or in two different cufves be not connected;
(2) the first pressure transducer (3) is connected with described upstream air bag (1), described second pressure transducer (5) is connected with described downstream air bag (2);
(3) described downstream air bag (2) is pressurized to a force value between tested systolic arterial pressure and diastolic pressure, or the mean blood pressure value of tested tremulous pulse subtracts 10mmHg and average pressure value and adds a force value between 20mmHg, or a force value, makes the pulse signal amplitude detected in described downstream air bag (2) when this force value be greater than a set-point;
(4) described upstream air bag (1) is pressurized to a force value higher than tested systolic arterial pressure;
(5) slowly lost heart in described upstream air bag (1), in described upstream air bag (1) slowly bleeding process, the air pressure of constantly change in upstream air bag (1) is measured by described first pressure transducer (3), and the pulse signal measured by described second pressure transducer (5) in described downstream air bag (2), thus measure the relation between the time or the middle atmospheric pressure value of range parameter and described upstream air bag (1) of described pulse signal;
Wherein:
In described upstream air bag (1) slowly bleeding process, the air pressure of constantly change in described upstream air bag (1) is measured by described first pressure transducer (3), and measure pulse signal in described downstream air bag (2) by described second pressure transducer (5), thus measure described pulse signal change from small to big last no longer change time upstream air bag (1) in air pressure.
6. a kind of pulse signal detection method according to claim 5, is characterized in that:
In described step (3), the method that the method described downstream air bag (2) being pressurized to a force value between the systolic pressure of tested tremulous pulse and diastolic pressure and the mean blood pressure value described downstream air bag (2) being pressurized to tested tremulous pulse subtract the force value that 10mmHg and average pressure value add between 20mmHg is, in the process pressurizeed in described downstream air bag (2), pulse signal in real-time detection described downstream air bag (2) entrained by air pressure signal, when described pulse signal amplitude is increased to maximum by zero, when then starting to decline, stop pressurization; A force value is pressurized to by described downstream air bag (2), with the method making the pulse signal amplitude detected in described downstream air bag (2) when this force value be greater than a set-point be, will in the process pressurizeed in described downstream air bag (2), pulse signal in real-time detection described downstream air bag (2) entrained by air pressure signal, when described pulse signal amplitude by zero be increased to be greater than set-point time, stop pressurization;
In described step (4), by the method that described upstream air bag (1) is pressurized to higher than a force value of tested systolic arterial pressure be, in the process that upstream air bag (1) is pressurizeed, the change of the pulse signal amplitude in Real-Time Monitoring downstream air bag (2), instantly the pulse signal amplitude in faint breath capsule (2) with the increase of the air pressure of upstream air bag (1) from diminishing greatly, when finally disappearing, stop pressurization, described pulse signal amplitude set-point is a value between 1.3mmHg-1.8 mmHg.
7. a kind of pulse signal detection method according to claim 5, it is characterized in that: described downstream air bag (2) is pressurized to a force value, the method making the pulse signal amplitude detected in described downstream air bag (2) when this force value be greater than described set-point is, air bag (2) segmentation of described downstream is pressurizeed, and after each section of pressurization terminates, detect the pulse signal in described downstream air bag (2), when described pulse signal amplitude is greater than described set-point, stop pressurization, the segmented objects of described downstream air bag (2) segmentation pressurization is, 80mmHg, 120mmHg, 160mmHg and 200mmHg.
8. a kind of pulse signal detection method according to claim 5, it is characterized in that: in described upstream air bag (1) slowly bleeding process, the air pressure of constantly change in described upstream air bag (1) is measured by described first pressure transducer (3), and the pulse signal measured by described second pressure transducer (5) in described downstream air bag (2), according to one of following parameters of described pulse signal change from small to big last no longer change time described upstream air bag (1) in atmospheric pressure value, determine tested arterial blood diastolic pressure: half-wave time width before pulse signal, rear half-wave time width, all-wave time width, amplitude, the product of amplitude and above-mentioned random time width, area.
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