CN214804680U - Electronic blood pressure measuring instrument for measuring pressure difference of two arms - Google Patents
Electronic blood pressure measuring instrument for measuring pressure difference of two arms Download PDFInfo
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- CN214804680U CN214804680U CN202120807266.2U CN202120807266U CN214804680U CN 214804680 U CN214804680 U CN 214804680U CN 202120807266 U CN202120807266 U CN 202120807266U CN 214804680 U CN214804680 U CN 214804680U
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Abstract
The utility model discloses a measure blood pressure electronic measurement appearance of both arms pressure differential, including a measuring apparatu host computer and a set of measuring utensil, the measuring apparatu host computer includes: a central processing unit; the driving mechanism is connected with an output control port of the central processing unit; the measuring instrument includes: a first measurer and a second measurer. The utility model discloses an electron korotkoff sound method is measured both arms pressure differential, and it is provided with a set of measuring utensil in the measuring apparatu host computer outside, uses first caliber, second caliber to carry out the blood pressure measurement to both arms simultaneously and collects the korotkoff sound signal of arbitrary single armed through the stethoscope and measures systolic pressure and diastolic pressure of both arms under the same moment, can obtain the both arms pressure differential when then, can provide accurate foundation for measurand's health evaluation and relevant diagnosis.
Description
Technical Field
The utility model relates to a blood pressure electronic meter specifically is a measure blood pressure electronic measurement appearance of both arms pressure differential.
Background
The blood pressure difference of the two arms has corresponding correlation with the health condition of the human body. Recent researchers have suggested: for the blood pressure measurement of the patient, it is preferable to adopt a measurement method of measuring the blood pressure of both arms at the same time. Since the pressure difference between the two arms often exceeds 15 mmHg, it means that the blood vessels delivering blood to the limbs and major organs are in trouble, and the blood vessels may be narrowed or hardened, which may lead to the pathological changes of organs such as heart, cerebral vessels, etc. for a long time. Therefore, accurate measurement of whether the two arms have large pressure difference provides accurate basis for health evaluation of the tested person and diagnosis of related diseases by doctors.
In the existing medical technology, the blood pressure measuring method is a single-arm measuring method, namely, one blood pressure tester can only measure one arm at the same time, and one arm measurement is needed to be done first and then another arm measurement is needed to be done to finish the double-arm blood pressure measurement. Thus, the human body is in different time periods, and although the time is short, the condition change of internal and external factors still inevitably occurs, so that the measured value of the blood pressure has errors. The measured value is not suitable for being used as the basis for the health evaluation and the diagnosis of the related illness state of the tested person.
SUMMERY OF THE UTILITY MODEL
The technical insufficiency to the aforesaid exists, the utility model provides a measure blood pressure electronic measurement appearance of both arms pressure differential, it is provided with a set of measuring utensil in the measuring apparatu host computer outside, uses first caliber, second caliber to carry out blood pressure measurement to both arms simultaneously and collect the kokocuria sound signal of arbitrary single arm through the stethoscope and measure the systolic pressure and the diastolic pressure of both arms under the same moment, can obtain both arms pressure differential when then, can provide accurate foundation for being measured person's health evaluation and relevant diagnosis.
The utility model provides an electronic blood pressure measuring instrument for measuring double-arm differential pressure, which comprises a measuring instrument main machine and a group of measuring instruments,
the gauge mainframe comprises: a central processing unit; the driving mechanism is connected with an output control port of the central processing unit;
the measuring instrument includes: a first measurer and a second measurer; an electronic stethoscope, a pressure sensor and an air bag are arranged in the first measurer and the second measurer, the electronic stethoscope is connected with a sound acquisition port of the central processing unit, the pressure sensor is connected with an analog-to-digital conversion port of the central processing unit through a pressure sensor amplifier, and the air bag is arranged on the pressure sensor; the driving mechanism is connected with the air bag to realize inflation and deflation.
Preferably, the driving mechanism comprises an inflator and an air valve, the air valve is connected with the inflator to control inflation and deflation of the inflator, and the inflator is fixedly connected with the air bag through a pipeline to realize inflation and deflation.
Preferably, the gauge host further comprises:
the liquid crystal display screen is connected with the display output port of the central processing unit;
the power supply device is connected with a power supply port of the central processing unit to supply power, and comprises a rechargeable battery and/or an external power supply;
the group of control keys are connected with the input control port of the central processing unit;
and the loudspeaker is connected with the sound signal output port of the central processing unit.
Preferably, the electronic stethoscope includes:
an electronic sound pickup;
the amplifier is connected with the electronic sound pick-up;
and the input end of the interference elimination circuit is connected with the amplifier, and the output end of the interference elimination circuit is connected with the sound acquisition port of the central processing unit.
Preferably, the first measuring device and the second measuring device are both cuff type measuring devices.
Preferably, the first and second gauges are both chambered gauges.
The beneficial effects of the utility model reside in that: the electronic Korotkoff sound method is adopted for measuring the pressure difference of the two arms in the design, a group of measuring instruments are arranged outside the main machine of the measuring instrument, the first measuring instrument and the second measuring instrument are used for simultaneously measuring the blood pressure of the two arms, the stethoscope is used for collecting Korotkoff sound signals of any one single arm to measure the systolic pressure and the diastolic pressure of the two arms at the same moment, the pressure difference of the two arms at the moment can be obtained, accurate basis can be provided for health evaluation and relevant diagnosis of a measured person, the electronic automation is realized through the matching of the two measuring instruments and the main machine of the measuring instrument in the whole process, the operation is simple and fast, and the medical resources and the doctor-patient time are greatly saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a cuff-type electronic blood pressure measuring instrument for measuring a pressure difference between two arms according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a chamber type electronic blood pressure measuring instrument for measuring a two-arm pressure difference provided by an embodiment of the present invention;
FIG. 3 is a schematic diagram of the connection between the first measurer and the CPU;
FIG. 4 is a system block diagram of a connection configuration of a measurement instrument to a meter host;
FIG. 5 is a graph showing the relationship (p-t) between time and blood pressure values of two arms when measuring blood pressure of two arms.
Description of reference numerals:
1-a measuring instrument host, 2-a first measuring instrument, 3-a second measuring instrument, 11-a central processing unit, 12-a power supply device, 13-an inflator pump, 14-an air valve, 15-a loudspeaker, 16-a liquid crystal display screen, 17-a control key, 21-an electronic stethoscope, 22-a pressure sensor, 23-an air bag, 24-a pressure sensor amplifier, 211-an electronic sound pick-up, 212-an amplifier and 213-an interference elimination circuit.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example (b):
as shown in fig. 1 to 5, the utility model provides an electronic blood pressure measuring instrument for measuring the pressure difference between two arms, which comprises a main machine 1 and a group of measuring instruments,
the gauge main body 1 includes: a central processing unit 11; a driving mechanism connected with the output control port of the central processing unit 11;
the measuring instrument includes: a first measurer 2 and a second measurer 3; an electronic stethoscope 21, a pressure sensor 22 and an air bag 23 are arranged in the first measurer 2 and the second measurer 3, the electronic stethoscope 21 is connected with a sound collecting port of the central processing unit 11, the pressure sensor 22 is connected with an analog-to-digital conversion port of the central processing unit 11 through a pressure sensor amplifier 24, the air bag 23 is arranged on the pressure sensor 22, and the air bag 23 is attached to the pressure sensor 22; the driving mechanism is connected with the air bag 23 to realize inflation and deflation;
the central processing unit 11 is used for controlling the driving mechanism to inflate and deflate the air bag 23 so as to linearly apply or release pressure to the biceps brachii artery blood vessels;
the pressure sensor 22 is used for acquiring pressure signals in the first measurer 2 and the second measurer 3 in the process that the air bag 23 linearly applies or releases pressure to the biceps brachii artery, the pressure sensor 22 converts the pressure signals into usable electric signals, and the pressure sensor amplifier 24 connected with the pressure sensor 22 amplifies the electric signals and transmits the electric signals to the analog-to-digital conversion port of the central processing unit 11 for pressure acquisition;
the electronic stethoscope 21 is used for acquiring Korotkoff sound signals emitted by the blood vessels of the brachial artery of the two arms during the process of linearly applying or releasing pressure to the blood vessels of the brachial artery of the two arms by the air bag 23.
As a preferred embodiment of the present invention, the driving mechanism includes an inflator 13 and an air valve 14, the air valve 14 is connected to the inflator 13 to control the inflation and deflation of the inflator 13, the inflator 13 and the air bag 23 are fixedly connected to each other through a pipe 131 to realize inflation and deflation, and preferably, the pipe 131 and the air bag 23 are made of rubber.
As a preferred embodiment of the present invention, the measuring instrument main unit 1 further includes:
a liquid crystal display screen 16 connected with the display output port of the central processing unit 11 for displaying the blood pressure values and the blood pressure difference values of the two arms;
a power supply device 12 connected to the power port of the central processing unit 11 for supplying power, the power supply device 12 including a rechargeable battery 121 and/or an external power supply;
a set of control keys 17 connected to the input control port of the cpu 11 to control the power supply unit 12 and the driving mechanism;
and the loudspeaker 15 is connected with the sound signal output port of the central processing unit 11 to broadcast the blood pressure measurement result by voice.
As a preferred embodiment of the present invention, the electronic stethoscope 21 includes:
an electronic sound pickup 211;
an amplifier 212, the amplifier 212 is connected with the electronic sound pick-up 211;
and an interference elimination circuit 213, wherein the input end of the interference elimination circuit 213 is connected with the amplifier 212, and the output end is connected with the sound collection port of the central processing unit 11.
The amplifier 212 amplifies the current signal collected by the electronic sound pickup 211, and then the interference removing circuit 213 removes the over-frequency current signal formed by noise and the like to obtain a current signal formed by pulse sound sensing, the central processing unit 11 records the time when the first korotkoff sound and the last korotkoff sound are emitted after receiving the electrical signal transmitted from the electronic stethoscope 21, as shown in fig. 5, i.e. the time corresponding to t1 and t2, wherein t1 is the time when the first korotkoff sound appears, t2 is the time when the last korotkoff sound appears, p1 is the curve value of the brachial artery blood pressure of the right arm changing along with the deflation time of the air bag 23, and p2 is the curve value of the brachial artery blood pressure of the left arm changing along with the deflation time of the air bag 23.
As a preferred embodiment of the present invention, the first measuring device 2 and the second measuring device 3 are both cuff-type measuring devices, the first measuring device 2 corresponds to a first cuff, and the second measuring device 3 corresponds to a second cuff.
As a preferred embodiment of the present invention, the first measuring device 2 and the second measuring device 3 are chamber type measuring devices, the first measuring device 2 corresponds to the first chamber, and the second measuring device 3 corresponds to the second chamber.
As shown in fig. 1 to 5, the measurement method is executed by the central processing unit 11, and the measurement method includes:
the central processor 11 controls the driving mechanism to inflate and deflate the air bag 23 so as to linearly apply or release pressure to the double-arm brachial artery blood vessels;
the central processing unit 11 obtains pressure signals in the first measurer 2 and the second measurer 3, which are obtained by the pressure sensor 22 in the process that the air bag 23 linearly applies or releases pressure to the biceps brachii artery, specifically, the pressure sensor 22 converts the pressure signals into usable electric signals, and the pressure sensor amplifier 24 connected with the pressure sensor 22 amplifies the electric signals and transmits the electric signals to an analog-to-digital converter port of the central processing unit 11;
the central processor 11 acquires a Korotkoff sound signal emitted by the blood vessels of the brachial arteries of the two arms, which is acquired by the electronic stethoscope 21 in the process that the air bag 23 linearly applies or releases pressure to the blood vessels of the brachial arteries of the two arms;
during measurement, after the air bag 23 releases pressure to the brachial artery blood vessels on the two arms at the same time, the first Korotkoff sound signal of one arm is taken as a judgment basis, and the central processing unit 11 records the blood pressure value of the two arms and the blood pressure difference value of the two arms at the moment, and the blood pressure value is corresponding to systolic pressure; then, the last korotkoff sound signal of the same single arm is taken as a judgment basis, and the central processing unit 11 records the blood pressure value of the two arms and the blood pressure difference value of the two arms at the moment, and the blood pressure value corresponds to the diastolic pressure.
As a preferred embodiment of the present invention, the driving mechanism includes an inflator 13 and an air valve 14, the air valve 14 is connected with the inflator 13 to control the inflation and deflation of the inflator 13, the inflator 13 and the air bag 23 are fixedly connected through a pipe 131 to realize the inflation and deflation, preferably, the pipe 131 and the air bag 23 are made of rubber, and the central processing unit 11 controls the inflator 13 and the air valve 14 to inflate and deflate the air bag 23 to linearly apply or release the pressure to the brachial artery blood vessels of both arms.
As a preferred embodiment of the present invention, the measuring instrument main unit 1 further includes:
the liquid crystal display screen 16 is connected with the display output port of the central processing unit 11, and the central processing unit 11 controls the liquid crystal display screen 16 to display the blood pressure values and the blood pressure difference values of the two arms when the measurement is finished;
a power supply device 12 connected to the power port of the central processing unit 11 for supplying power, the power supply device 12 including a rechargeable battery 121 and/or an external power supply;
a group of control keys 17 connected with the input control port of the central processing unit 11, the central processing unit 11 controls the power supply device 12 and the driving mechanism through the control keys 17;
a loudspeaker 15 is connected with central processing unit 11's acoustic signal output port, and central processing unit 11 control loudspeaker 15 carries out voice broadcast blood pressure measurement result when finishing measuring.
As a preferred embodiment of the present invention, the electronic stethoscope 21 includes:
an electronic sound pickup 211;
an amplifier 212, the amplifier 212 is connected with the electronic sound pick-up 211;
an interference elimination circuit 213, the input end of the interference elimination circuit 213 is connected with the amplifier 212, and the output end is connected with the sound collection port of the central processing unit 11;
the amplifier 212 amplifies the current signal collected by the electronic sound pickup 211, and then the interference removing circuit 213 removes the over-frequency current signal formed by noise and the like to obtain a current signal formed by pulse sound sensing, the central processing unit 11 records the time when the first korotkoff sound and the last korotkoff sound are emitted after receiving the electrical signal transmitted from the electronic stethoscope 21, as shown in fig. 5, i.e. the time corresponding to t1 and t2, wherein t1 is the time when the first korotkoff sound appears, t2 is the time when the last korotkoff sound appears, p1 is the curve value of the brachial artery blood pressure of the right arm changing along with the deflation time of the air bag 23, and p2 is the curve value of the brachial artery blood pressure of the left arm changing along with the deflation time of the air bag 23.
The central processor 11 controls the inflator 13 and the air valve 14 to deflate the air bag 23 so as to determine a first Korotkoff sound signal and a last Korotkoff sound signal through the electronic sound pick-up 211 in the process of linearly releasing the pressure of the brachial artery of the two arms, so as to obtain the blood pressure values and the blood pressure difference values of the two arms under the systolic pressure and the diastolic pressure.
When in use, the power supply key on the control key 17 is pressed, after the doctor and the measured person are ready, the first measurer 2 and the second measurer 3 are arranged on the two arms of the person to be measured, then the inflation key is pressed, the central processing unit 11 controls the inflator 13 and the air valve 14 to inflate the air bag 23, so that the brachial artery blood vessels on both arms are pressed, the pressure sensor 22 stops inflating after sensing the pressure reaching the preset value, the central processor 11 controls the air valve 14 to deflate the air bag 23, as shown in figure 5, during deflation, the CPU 11 controls the electronic stethoscope 21 to monitor the blood vessels of the brachial artery on both arms to determine the time when the first Korotkoff sound and the last Korotkoff sound are generated, the blood pressure value of both arms and both arms blood pressure difference value at corresponding moment are noted respectively through the current signal, and central controller 11 controls liquid crystal display 16 and loudspeaker 15 and carries out screen display and voice broadcast. The whole process realizes electronic automation through the cooperation of the two measuring instruments and the measuring instrument host 1, the operation is simple and fast, and medical resources and doctor-patient time are greatly saved.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. An electronic blood pressure measuring instrument for measuring the pressure difference of two arms is characterized by comprising a measuring instrument main machine and a group of measuring instruments,
the gauge mainframe comprises: a central processing unit; the driving mechanism is connected with an output control port of the central processing unit;
the measuring instrument includes: a first measurer and a second measurer; an electronic stethoscope, a pressure sensor and an air bag are arranged in the first measurer and the second measurer, the electronic stethoscope is connected with a sound acquisition port of the central processing unit, the pressure sensor is connected with an analog-to-digital conversion port of the central processing unit through a pressure sensor amplifier, and the air bag is arranged on the pressure sensor; the driving mechanism is connected with the air bag to realize inflation and deflation.
2. The electronic blood pressure measuring instrument for measuring two-arm differential pressure of claim 1, wherein the driving mechanism comprises an inflator and an air valve, the air valve is connected with the inflator to control inflation and deflation of the inflator, and the inflator is fixedly connected with the air bag through a pipeline to realize inflation and deflation.
3. An electronic blood pressure measuring instrument according to claim 1, wherein the main unit further comprises:
the liquid crystal display screen is connected with the display output port of the central processing unit;
the power supply device is connected with a power supply port of the central processing unit to supply power, and comprises a rechargeable battery and/or an external power supply;
the group of control keys are connected with the input control port of the central processing unit;
and the loudspeaker is connected with the sound signal output port of the central processing unit.
4. An electronic blood pressure measuring instrument measuring differential pressure across arms as claimed in claim 1, wherein said electronic stethoscope comprises:
an electronic sound pickup;
the amplifier is connected with the electronic sound pick-up;
and the input end of the interference elimination circuit is connected with the amplifier, and the output end of the interference elimination circuit is connected with the sound acquisition port of the central processing unit.
5. An electronic blood pressure measuring instrument according to any one of claims 1 to 4, wherein the first and second measuring instruments are cuff measuring instruments.
6. An electronic blood pressure measuring instrument according to any one of claims 1 to 4, wherein the first and second measuring instruments are all canulas.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120807266.2U CN214804680U (en) | 2021-04-20 | 2021-04-20 | Electronic blood pressure measuring instrument for measuring pressure difference of two arms |
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| CN202120807266.2U CN214804680U (en) | 2021-04-20 | 2021-04-20 | Electronic blood pressure measuring instrument for measuring pressure difference of two arms |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113143235A (en) * | 2021-04-20 | 2021-07-23 | 徐州市双惠医疗设备有限公司 | Electronic blood pressure measuring instrument for measuring double-arm pressure difference and measuring method thereof |
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- 2021-04-20 CN CN202120807266.2U patent/CN214804680U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113143235A (en) * | 2021-04-20 | 2021-07-23 | 徐州市双惠医疗设备有限公司 | Electronic blood pressure measuring instrument for measuring double-arm pressure difference and measuring method thereof |
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