CN103720465B - A kind of blood pressure measuring device and double bolloon pulse signal detection method - Google Patents
A kind of blood pressure measuring device and double bolloon pulse signal detection method Download PDFInfo
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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 in upstream and downstream air bag, pressure and pulse signal detected, thus accurately, reliably Measure blood pressure, and measurement result is stablized.
Description
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.China Patent No. CN201010247968.6, the patent documentation that title is " a kind of Woundless blood pressure measuring device and measuring method thereof " describes a kind of pulse wave probe that uses and detects 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.China 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 one or two pressure transducer first pressure transducer be connected respectively or simultaneously in upstream air bag and downstream air bag 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 slowly pressurizeed, in the slow pressure 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 the relation between the air pressure in described pulse signal and upstream air bag, determine tested systolic arterial pressure.
Further improvement of the present invention is: in steps A) in, 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, 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.
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, and 200mmHg.
Further improvement of the present invention is: in step B) in, in the process that upstream air bag slowly pressurizes, the air pressure of constantly change in the air bag of described upstream is measured by the first pressure transducer, and measure the pulse signal in the air bag of described downstream by described second pressure transducer simultaneously, according to described pulse signal from big to small, air pressure when finally disappearing in the air bag of described upstream, determines tested systolic arterial pressure.
Further improvement of the present invention is: in step B) in the slow pressure 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 described downstream by described second pressure transducer simultaneously, according to described pulse signal from big to small, the amplitude of last and penultimate pulse signal and time of origin when finally disappearing, with the atmospheric pressure value in the air bag of described time of origin upstream, determine tested arterial blood systolic pressure.
A kind of double bolloon 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 double bolloon 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 slowly pressurizeed, in the slow pressure 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 atmospheric pressure value when pulse signal occurs in the air bag of upstream 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 (3), 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 pressure 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 pulse signal from big to small, air pressure when finally disappearing in the air bag of upstream.
Further improvement of the present invention is: in the slow pressure 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 described downstream by the second pressure transducer, according to pulse signal from big to small, last and penultimate pulse signal time of origin when finally disappearing, measure the air pressure in the air bag of described upstream when described generation.
The invention has the beneficial effects as follows: the device of Measure blood pressure provided by the invention is that colligation two inflatable bladders pressurize on limbs, effectively detects pressure wherein and pulse signal, thus accurately, 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 the pulse signal sequential chart that pressurization of the present invention measures systolic pressure and diastolic pressure.
Fig. 7 is the enlarged drawing of 7A 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, and described blood pressure measuring device comprises the fan-shaped oversleeve 8 of double bolloon, and the fan-shaped oversleeve of double bolloon also can be two common oversleeves, replaces the effect of upstream air bag 1 and downstream air bag 2 respectively.
Embodiment one, use pressurization measure pulse signal method and systolic pressure measuring device
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.
In described microprocessor, be provided with control and data processor, 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 slowly pressurizeed, in upstream air bag 1 slowly pressure 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 relation between the air pressure in described pulse signal and described upstream air bag 1, determine tested systolic arterial pressure.
Scheme one: as shown in Fig. 3 and 6-7, uses pressurization to detect double bolloon pulse signal and systolic 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 second gas bleeder valve cuts out, and the second air pump 2 downwards faint breath capsule 2 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 value, such as a 1.5mmHg between 1.3mmHg to 1.8mmHg;
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 value, such as a 1.5mmHg between 1.3mmHg to 1.8mmHg;
4) the first gas bleeder valve cuts out, and the first air pump upstream air bag 1 is slowly inflated, and upstream air bag 1 pressure slowly increases from zero;
5) continue slowly to pressurize to upstream air bag 1, in the process that upstream air bag 1 is slowly pressurizeed, 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 systolic arterial pressure, describedly determine that the method for tested systolic arterial pressure has 2 kinds, respectively as step 5-1) and 5-2):
5-1) in the process of the slow pressurization of upstream air bag 1, the air pressure of constantly change in upstream air bag 1 is measured by the first pressure transducer 3, and the pulse signal detected by the second pressure transducer 5 in downstream air bag 2, according at described pulse signal from big to small, air pressure when finally disappearing in upstream air bag 1, determine tested systolic arterial pressure, such as, pulse signal in the downstream air bag 2 that measurement detects from big to small, the generation moment of the peak value of last pulse signal when finally disappearing, with the atmospheric pressure value measured at the generation moment upstream air bag 1 of the peak value of last pulse signal described, the atmospheric pressure value of described upstream air bag 1 is tested systolic arterial pressure, or the atmospheric pressure value measured at the generation moment upstream air bag 1 of the peak value of last pulse signal described, with the meansigma methods of the atmospheric pressure value of upstream air bag 1 in former and later two pulse cycles in the generation moment of the peak value at last pulse signal described, described meansigma methods is tested systolic arterial pressure,
5-2) in the process of the slow pressurization of upstream air bag 1, 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 at described pulse signal from big to small, the amplitude of last and penultimate pulse signal and time of origin when finally disappearing, with the atmospheric pressure value in described time of origin upstream air bag 1, determine tested arterial blood systolic pressure.Such as, in the downstream air bag 2 that measurement detects, pulse signal from big to small, last and the amplitude A 41 of penultimate pulse signal and time of origin t41 and t40 of A40 and peak value when finally disappearing, with two atmospheric pressure value P41 and P40 measured in the time of origin t41 and t40 upstream air bag 1 of the peak value of described last and penultimate pulse signal, then tested systolic arterial pressure is (P40-(P40-P41) * A40/ (A40-A41)).
6) open the first gas bleeder valve and the second gas bleeder valve, lose heart to upstream air bag 1 and downstream air bag 2.
Scheme two: as shown in Figure 4, uses pressurization to detect double bolloon pulse signal and systolic 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 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 value, such as a 1.5mmHg between 1.3mmHg to 1.8mmHg;
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 value, such as a 1.5mmHg between 1.3mmHg to 1.8mmHg;
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 slowly inflated, and upstream air bag 1 pressure slowly increases from zero;
5) continue slowly to pressurize to upstream air bag 1, in the process that upstream air bag 1 is slowly pressurizeed, 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 systolic arterial pressure, describedly determine that the method for tested systolic arterial pressure has 2 kinds, respectively as step 5-1) and 5-2):
5-1) in the process of the slow pressurization of upstream air bag 1, the air pressure of constantly change in upstream air bag 1 is measured by the first pressure transducer 3, and the pulse signal detected by the second pressure transducer 5 in downstream air bag 2, according at described pulse signal from big to small, air pressure when finally disappearing in upstream air bag 1, determine tested systolic arterial pressure, such as, pulse signal in the downstream air bag 2 that measurement detects from big to small, the generation moment of the peak value of last pulse signal when finally disappearing, with the atmospheric pressure value measured at the generation moment upstream air bag 1 of the peak value of last pulse signal described, the atmospheric pressure value of described upstream air bag 1 is tested systolic arterial pressure, or measure the atmospheric pressure value of the upstream air bag 1 when the generation of the peak value of last pulse signal described, during generation with the peak value at last pulse signal described, in former and later two pulse cycles, the atmospheric pressure value of upstream air bag 1 obtains meansigma methods, described meansigma methods is tested systolic arterial pressure,
5-2) in the process of the slow pressurization of upstream air bag 1, 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 at described pulse signal from big to small, the amplitude of last and penultimate pulse signal and time of origin when finally disappearing, with the atmospheric pressure value in described time of origin upstream air bag 1, determine tested arterial blood systolic pressure.Such as, in the downstream air bag 2 that measurement detects, pulse signal from big to small, last and the amplitude A 41 of penultimate pulse signal and time of origin t41 and t40 of A40 and peak value when finally disappearing, with two atmospheric pressure value P41 and P40 measured in the time of origin t41 and t40 upstream air bag 1 of the peak value of described last and penultimate pulse signal, then tested systolic arterial pressure is (P40-(P40-P41) * A40/ (A40-A41)).
6) the first gas bleeder valve is opened, and the first switch valve is opened, and second switch valve is opened, and loses heart to upstream air bag 1 and downstream air bag 2.
Scheme three: as shown in Figure 5, pressurization is measured systolic pressure double bolloon pulse signal and is detected and blood pressure, 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, gas bleeder valve cuts out, and 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 the downward faint breath capsule 2 of 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 value, such as a 1.5mmHg between 1.3mmHg to 1.8mmHg;
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 value, such as a 1.5mmHg between 1.3mmHg to 1.8mmHg;
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 slowly inflated, and upstream air bag 1 pressure slowly increases from zero;
5) continue slowly to pressurize to upstream air bag 1, in the process that upstream air bag 1 is slowly pressurizeed, 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 systolic arterial pressure, describedly determine that the method for tested systolic arterial pressure has 2 kinds, respectively as step 5-1) and 5-2):
5-1) in the process of the slow pressurization of upstream air bag 1, the air pressure of constantly change in upstream air bag 1 is measured by the first pressure transducer 3, and the pulse signal detected by the second pressure transducer 5 in downstream air bag 2, according at described pulse signal from big to small, air pressure when finally disappearing in upstream air bag 1, determine tested systolic arterial pressure, such as, pulse signal in the downstream air bag 2 that measurement detects from big to small, the generation moment of the peak value of last pulse signal when finally disappearing, with the atmospheric pressure value measured at the generation moment upstream air bag 1 of the peak value of last pulse signal described, the atmospheric pressure value of described upstream air bag 1 is tested systolic arterial pressure, or the atmospheric pressure value measured at the generation moment upstream air bag 1 of the peak value of last pulse signal described, with the meansigma methods of the atmospheric pressure value of upstream air bag 1 in former and later two pulse cycles in the generation moment of the peak value at last pulse signal described, described meansigma methods is tested systolic arterial pressure,
5-2) in the process of the slow pressurization of upstream air bag 1, 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 at described pulse signal from big to small, the amplitude of last and penultimate pulse signal and time of origin when finally disappearing, with the atmospheric pressure value in described time of origin upstream air bag 1, determine tested arterial blood systolic pressure.Such as, in the downstream air bag 2 that measurement detects, pulse signal from big to small, last and the amplitude A 41 of penultimate pulse signal and time of origin t41 and t40 of A40 and peak value when finally disappearing, with two atmospheric pressure value P41 and P40 measured in the time of origin t41 and t40 upstream air bag 1 of the peak value of described last and penultimate pulse signal, then tested systolic arterial pressure is (P40-(P40-P41) * A40/ (A40-A41)).
6) 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, pressurization detect double bolloon pulse signal and diastolic pressure
The pressurization that can also be used for device of the present invention detects double bolloon pulse signal and measures diastolic pressure,
Scheme one: as shown in Figure 3, detection method comprises the steps:
1) by a fan-shaped cuff of double bolloon, or the non-fan-shaped cuff of a double bolloon, 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 upstream air bag 1 is 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;
2) press the start key of main frame 4 keyboard, the second gas bleeder valve cuts out, and the second air pump 2 downwards faint breath capsule 2 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 value, such as a 1.5mmHg between 1.3mmHg to 1.8mmHg;
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 value, such as a 1.5mmHg between 1.3mmHg to 1.8mmHg;
4) the first gas bleeder valve cuts out, and the first air pump upstream air bag 1 is slowly inflated, and upstream air bag 1 pressure slowly increases from zero;
5) in the process of the slow pressurization of upstream air bag 1, 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 5-1), 5-2), 5-3), 5-4), 5-5) and 5-6):
5-1) in upstream air bag 1 slowly pressure 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, air pressure when diminishing by constant according to described pulse signal in upstream air bag 1, determine tested auterial diastole pressure, such as, as Fig. 7, pulse signal p30 in the downstream air bag 2 detected, p31, p32, p33, the amplitude A 30 of p34 and p35, A31, A32, A33, A34 and A35, obtain A30=A31=A32>A33>A34GreatT.Gr eaT.GTA35, there is the moment in the pulse signal measured last amplitude of described pulse signal is maximum and constant, the i.e. atmospheric pressure value of t32 moment upstream air bag 1, this atmospheric pressure value is tested auterial diastole pressure,
5-2) in upstream air bag 1 slowly pressure 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, air pressure when diminishing by constant according to the time width of described pulse signal all-wave in upstream air bag 1, determine tested auterial diastole pressure, such as, as Fig. 7, pulse signal p30 in the downstream air bag 2 detected, p31, p32, p33, the all-wave time width d20 of p34 and p35, d21, d22, d23, d24 and d25, obtain d20=d21=d22>d23>d24>d2 5, there is the moment in the pulse signal measured last all-wave time width of described pulse signal is maximum and constant, the i.e. atmospheric pressure value of t32 moment upstream air bag 1, this atmospheric pressure value is tested auterial diastole pressure,
5-3) in upstream air bag 1 slowly pressure 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 upstream air bag 1 when half-wave time width diminishes by constant before described pulse signal, determine tested auterial diastole pressure, such as, as Fig. 7, pulse signal p30 in the downstream air bag 2 detected, p31, p32, p33, the front half-wave time width d26 of p34 and p35, d27, d28, d29, d30 and d31, obtain d26=d27=d28>d29>d30GreatT.Gr eaT.GTd31, measure, at the described pulse signal pulse signal that half-wave time width is maximum and constant before last, occur the moment, the i.e. atmospheric pressure value of t32 moment upstream air bag 1, this atmospheric pressure value is tested auterial diastole pressure,
5-4) in upstream air bag 1 slowly pressure 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, air pressure when diminishing by constant according to the rear half-wave time width of described pulse signal in upstream air bag 1, determine tested auterial diastole pressure, such as, as Fig. 7, pulse signal p30 in the lower gasbag 2 detected, p31, p32, p33, the rear half-wave time width d32 of p34 and p35, d33, d34, d35, d36 and d37, obtain d32=d33=d34>d35>d36GreatT.Gr eaT.GTd37, there is the moment in the pulse signal measured last rear half-wave time width of described pulse signal is maximum and constant, the i.e. atmospheric pressure value of t32 moment upstream air bag 1, this atmospheric pressure value is tested auterial diastole pressure,
5-5) in upstream air bag 1 slowly pressure 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, air pressure when diminishing by constant according to the area of described pulse signal in upstream air bag 1, determine tested auterial diastole pressure, such as, as Fig. 7, pulse signal p30 in the downstream air bag 2 detected, p31, p32, p33, the area S30 of p34 and p35, S31, S32, S33, S34 and S35, obtain S30=S31=S32>S33>S34GreatT.Gr eaT.GTS35, there is the moment in the pulse signal measured last area of described pulse signal is maximum and constant, the i.e. atmospheric pressure value of t32 moment upstream air bag 1, this atmospheric pressure value is tested auterial diastole pressure,
5-6) in upstream air bag 1 slowly pressure 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, air pressure when diminishing by constant according to the area of described pulse signal in upstream air bag 1, determine tested auterial diastole pressure, such as, as Fig. 7, pulse signal p30 in the downstream air bag 2 detected, p31, p32, p33, the amplitude A 30 of p34 and p35, A31, A32, A33, A34 and A35, all-wave time width d20, d21, d22, d23, d24 and d25, front half-wave time width d26, d27, d28, d29, d30 and d31, rear half-wave time width d32, d33, d34, d35, d36 and d37, the product of pulse signal amplitude in downstream air bag 2 and above-mentioned random time width, i.e. A30* d20=A31*d21=A32*d22>A33*d23> A34*d24>A35*d25, or A0*d26=A1* d27=A2*d28>A3* d29>A4*d30>A5* d31, or A30*d32=A31* d33=A32*d34>A33*d35>A34*d36G reatT.GreaT.GTA35*d37, 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 t32 moment upstream air bag 1, this atmospheric pressure value is tested auterial diastole pressure,
6) open the first gas bleeder valve and the second gas bleeder valve, lose heart to upstream air bag 1 and downstream air bag 2.
Scheme two: pressurization detects diastolic pressure double bolloon pulse signal and detects and blood pressure
The pressurization that can also be used for device of the present invention detects diastolic pressure double bolloon pulse signal and detects and Measure blood pressure,
As shown in Figure 4, detection method comprises the steps:
1) by a fan-shaped cuff of double bolloon, or the non-fan-shaped cuff of a double bolloon, 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 upstream air bag 1 is 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;
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 value, such as a 1.5mmHg between 1.3mmHg to 1.8mmHg;
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 value, such as a 1.5mmHg between 1.3mmHg to 1.8mmHg;
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 slowly inflated, and upstream air bag 1 pressure slowly increases from zero;
5) in the process of the slow pressurization of upstream air bag 1, 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 5-1), 5-2), 5-3), 5-4), 5-5) and 5-6):
5-1) in upstream air bag 1 slowly pressure 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, air pressure when diminishing by constant according to described pulse signal in upstream air bag 1, determine tested auterial diastole pressure, such as, as Fig. 7, pulse signal p30 in the downstream air bag 2 detected, p31, p32, p33, the amplitude A 30 of p34 and p35, A31, A32, A33, A34 and A35, obtain A30=A31=A32>A33>A34GreatT.Gr eaT.GTA35, there is the moment in the pulse signal measured last amplitude of described pulse signal is maximum and constant, the i.e. atmospheric pressure value of t32 moment upstream air bag 1, this atmospheric pressure value is tested auterial diastole pressure,
5-2) in upstream air bag 1 slowly pressure 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, air pressure when diminishing by constant according to the time width of described pulse signal all-wave in upstream air bag 1, determine tested auterial diastole pressure, such as, as Fig. 7, pulse signal p30 in the downstream air bag 2 detected, p31, p32, p33, the all-wave time width d20 of p34 and p35, d21, d22, d23, d24 and d25, obtain d20=d21=d22>d23>d24>d2 5, there is the moment in the pulse signal measured last all-wave time width of described pulse signal is maximum and constant, the i.e. atmospheric pressure value of t32 moment upstream air bag 1, this atmospheric pressure value is tested auterial diastole pressure,
5-3) in upstream air bag 1 slowly pressure 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 upstream air bag 1 when half-wave time width diminishes by constant before described pulse signal, determine tested auterial diastole pressure, such as, as Fig. 7, pulse signal p30 in the downstream air bag 2 detected, p31, p32, p33, the front half-wave time width d26 of p34 and p35, d27, d28, d29, d30 and d31, obtain d26=d27=d28>d29>d30GreatT.Gr eaT.GTd31, measure, at the described pulse signal pulse signal that half-wave time width is maximum and constant before last, occur the moment, the i.e. atmospheric pressure value of t32 moment upstream air bag 1, this atmospheric pressure value is tested auterial diastole pressure,
5-4) in upstream air bag 1 slowly pressure 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, air pressure when diminishing by constant according to the rear half-wave time width of described pulse signal in upstream air bag 1, determine tested auterial diastole pressure, such as, as Fig. 7, pulse signal p30 in the lower gasbag 2 detected, p31, p32, p33, the rear half-wave time width d32 of p34 and p35, d33, d34, d35, d36 and d37, obtain d32=d33=d34>d35>d36GreatT.Gr eaT.GTd37, there is the moment in the pulse signal measured last rear half-wave time width of described pulse signal is maximum and constant, the i.e. atmospheric pressure value of t32 moment upstream air bag 1, this atmospheric pressure value is tested auterial diastole pressure,
5-5) in upstream air bag 1 slowly pressure 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, air pressure when diminishing by constant according to the area of described pulse signal in upstream air bag 1, determine tested auterial diastole pressure, such as, as Fig. 7, pulse signal p30 in the downstream air bag 2 detected, p31, p32, p33, the area S30 of p34 and p35, S31, S32, S33, S34 and S35, obtain S30=S31=S32>S33>S34GreatT.Gr eaT.GTS35, there is the moment in the pulse signal measured last area of described pulse signal is maximum and constant, the i.e. atmospheric pressure value of t32 moment upstream air bag 1, this atmospheric pressure value is tested auterial diastole pressure,
5-6) in upstream air bag 1 slowly pressure 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, air pressure when diminishing by constant according to the area of described pulse signal in upstream air bag 1, determine tested auterial diastole pressure, such as, as Fig. 7, pulse signal p30 in the downstream air bag 2 detected, p31, p32, p33, the amplitude A 30 of p34 and p35, A31, A32, A33, A34 and A35, all-wave time width d20, d21, d22, d23, d24 and d25, front half-wave time width d26, d27, d28, d29, d30 and d31, rear half-wave time width d32, d33, d34, d35, d36 and d37, the product of pulse signal amplitude in downstream air bag 2 and above-mentioned random time width, i.e. A30* d20=A31*d21=A32*d22>A33*d23> A34*d24>A35*d25, or A0*d26=A1* d27=A2*d28>A3* d29>A4*d30>A5* d31, or A30*d32=A31* d33=A32*d34>A33*d35>A34*d36G reatT.GreaT.GTA35*d37, 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 t32 moment upstream air bag 1, this atmospheric pressure value is tested auterial diastole pressure,
6) the first gas bleeder valve is opened, and the first switch valve is opened, and second switch valve is opened, and loses heart to upstream air bag 1 and downstream air bag 2.
Scheme three: as shown in Figure 5, pressurization detects diastolic pressure double bolloon pulse signal and detects and blood pressure
The pressurization that can also be used for device of the present invention detects diastolic pressure double bolloon pulse signal and detects and Measure blood pressure,
1) by a fan-shaped cuff of double bolloon, or the non-fan-shaped cuff of a double bolloon, 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 upstream air bag 1 is 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;
2) press the start key of main frame 4 keyboard, gas bleeder valve cuts out, and 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 the downward faint breath capsule 2 of 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 value, such as a 1.5mmHg between 1.3mmHg to 1.8mmHg;
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 value, such as a 1.5mmHg between 1.3mmHg to 1.8mmHg;
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 thinks that upstream air bag 1 is slowly inflated, and upstream air bag 1 pressure slowly increases from zero;
5) in the process of the slow pressurization of upstream air bag 1, 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 5-1), 5-2), 5-3), 5-4), 5-5) and 5-6):
5-1) in upstream air bag 1 slowly pressure 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, air pressure when diminishing by constant according to described pulse signal in upstream air bag 1, determine tested auterial diastole pressure, such as, as Fig. 7, pulse signal p30 in the downstream air bag 2 detected, p31, p32, p33, the amplitude A 30 of p34 and p35, A31, A32, A33, A34 and A35, obtain A30=A31=A32>A33>A34GreatT.Gr eaT.GTA35, there is the moment in the pulse signal measured last amplitude of described pulse signal is maximum and constant, the i.e. atmospheric pressure value of t32 moment upstream air bag 1, this atmospheric pressure value is tested auterial diastole pressure,
5-2) in upstream air bag 1 slowly pressure 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, air pressure when diminishing by constant according to the time width of described pulse signal all-wave in upstream air bag 1, determine tested auterial diastole pressure, such as, as Fig. 7, pulse signal p30 in the downstream air bag 2 detected, p31, p32, p33, the all-wave time width d20 of p34 and p35, d21, d22, d23, d24 and d25, obtain d20=d21=d22>d23>d24>d2 5, there is the moment in the pulse signal measured last all-wave time width of described pulse signal is maximum and constant, the i.e. atmospheric pressure value of t32 moment upstream air bag 1, this atmospheric pressure value is tested auterial diastole pressure,
5-3) in upstream air bag 1 slowly pressure 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 upstream air bag 1 when half-wave time width diminishes by constant before described pulse signal, determine tested auterial diastole pressure, such as, as Fig. 7, pulse signal p30 in the downstream air bag 2 detected, p31, p32, p33, the front half-wave time width d26 of p34 and p35, d27, d28, d29, d30 and d31, obtain d26=d27=d28>d29>d30GreatT.Gr eaT.GTd31, measure, at the described pulse signal pulse signal that half-wave time width is maximum and constant before last, occur the moment, the i.e. atmospheric pressure value of t32 moment upstream air bag 1, this atmospheric pressure value is tested auterial diastole pressure,
5-4) in upstream air bag 1 slowly pressure 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, air pressure when diminishing by constant according to the rear half-wave time width of described pulse signal in upstream air bag 1, determine tested auterial diastole pressure, such as, as Fig. 7, pulse signal p30 in the lower gasbag 2 detected, p31, p32, p33, the rear half-wave time width d32 of p34 and p35, d33, d34, d35, d36 and d37, obtain d32=d33=d34>d35>d36GreatT.Gr eaT.GTd37, there is the moment in the pulse signal measured last rear half-wave time width of described pulse signal is maximum and constant, the i.e. atmospheric pressure value of t32 moment upstream air bag 1, this atmospheric pressure value is tested auterial diastole pressure,
5-5) in upstream air bag 1 slowly pressure 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, air pressure when diminishing by constant according to the area of described pulse signal in upstream air bag 1, determine tested auterial diastole pressure, such as, as Fig. 7, pulse signal p30 in the downstream air bag 2 detected, p31, p32, p33, the area S30 of p34 and p35, S31, S32, S33, S34 and S35, obtain S30=S31=S32>S33>S34GreatT.Gr eaT.GTS35, there is the moment in the pulse signal measured last area of described pulse signal is maximum and constant, the i.e. atmospheric pressure value of t32 moment upstream air bag 1, this atmospheric pressure value is tested auterial diastole pressure,
5-6) in upstream air bag 1 slowly pressure 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, air pressure when diminishing by constant according to the area of described pulse signal in upstream air bag 1, determine tested auterial diastole pressure, such as, as Fig. 7, pulse signal p30 in the downstream air bag 2 detected, p31, p32, p33, the amplitude A 30 of p34 and p35, A31, A32, A33, A34 and A35, all-wave time width d20, d21, d22, d23, d24 and d25, front half-wave time width d26, d27, d28, d29, d30 and d31, rear half-wave time width d32, d33, d34, d35, d36 and d37, the product of pulse signal amplitude in downstream air bag 2 and above-mentioned random time width, i.e. A30* d20=A31*d21=A32*d22>A33*d23> A34*d24>A35*d25, or A0*d26=A1* d27=A2*d28>A3* d29>A4*d30>A5* d31, or A30*d32=A31* d33=A32*d34>A33*d35>A34*d36G reatT.GreaT.GTA35*d37, 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 t32 moment upstream air bag 1, this atmospheric pressure value is tested auterial diastole pressure,
6) 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, effectively in upstream and downstream air bag, pressure and pulse signal detected, thus accurately, reliably Measure blood pressure, and measurement result is stablized.
Claims (6)
1. a blood pressure measuring device, described measuring device is used for measuring arteriotony by measured one body part, it is characterized in that: described measuring device comprises
Two aerating gasbags: upstream air bag (1) 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) slowly pressurizeed in described upstream air bag (1), in described upstream air bag (1) slowly pressure 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 the relation between the air pressure in described pulse signal and described upstream air bag (1), determine tested systolic arterial pressure;
Wherein:
At described step B) in, in described upstream air bag (1) slowly pressure 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 described pulse signal from big to small, air pressure when finally disappearing in described upstream air bag (1), determines tested systolic arterial pressure;
Or at described step B) in the process of the slow pressurization in described upstream air bag (1), 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 described pulse signal from big to small, the amplitude of last and penultimate pulse signal and time of origin when finally disappearing, with the atmospheric pressure value in described time of origin upstream air bag (1), determine tested arterial blood systolic 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 downstream air bag (2), 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; 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.
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 described downstream air bag (2) when this force value be greater than a 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.
4. a double bolloon 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 double bolloon pulse signal detection method comprises the following steps:
(1) be bundled on tested limbs by upstream air bag (1) and downstream air bag (2), 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 downstream air bag (2) when this force value be greater than a set-point;
(4) slowly pressurizeed in described upstream air bag (1), in the process slowly pressurizeed in described upstream air bag (1), 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), thus measure the atmospheric pressure value when described pulse signal occurs in upstream air bag (1);
Wherein:
In the process slowly pressurizeed in described upstream air bag (1), 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), thus measure described pulse signal from big to small, air pressure when finally disappearing in described upstream air bag (1);
Or in described upstream air bag (1) slowly pressure 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 from big to small, when finally disappearing, the time of origin of last and penultimate pulse signal, measures the air pressure in upstream air bag (1) described in described time of origin.
5. a kind of double bolloon pulse signal detection method according to claim 4, 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, 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 (3), described pulse signal amplitude set-point is a value between 1.3mmHg-1.8 mmHg.
6. a kind of double bolloon pulse signal detection method according to claim 4, 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.
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| PCT/CN2014/090345 WO2015067174A1 (en) | 2013-11-06 | 2014-11-05 | Blood pressure measuring device and dual-balloon pulse signal detection method |
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| CN101912259A (en) * | 2010-08-06 | 2010-12-15 | 深圳瑞光康泰科技有限公司 | Non-invasive blood pressure measuring device and measuring method thereof |
| CN202568225U (en) * | 2012-04-16 | 2012-12-05 | 深圳瑞光康泰科技有限公司 | Double-gasbag bandage |
| CN102949187A (en) * | 2011-08-19 | 2013-03-06 | 中原大学 | Pulse pressure signal measuring system and measuring method thereof |
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| CN100500085C (en) * | 2000-01-14 | 2009-06-17 | 微生命知识产权股份有限公司 | Blood pressure measuring equipment |
| CN101912259A (en) * | 2010-08-06 | 2010-12-15 | 深圳瑞光康泰科技有限公司 | Non-invasive blood pressure measuring device and measuring method thereof |
| CN102949187A (en) * | 2011-08-19 | 2013-03-06 | 中原大学 | Pulse pressure signal measuring system and measuring method thereof |
| CN202568225U (en) * | 2012-04-16 | 2012-12-05 | 深圳瑞光康泰科技有限公司 | Double-gasbag bandage |
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