CN211094071U - Wrist electronic sphygmomanometer calibrating device - Google Patents
Wrist electronic sphygmomanometer calibrating device Download PDFInfo
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- CN211094071U CN211094071U CN201921478407.XU CN201921478407U CN211094071U CN 211094071 U CN211094071 U CN 211094071U CN 201921478407 U CN201921478407 U CN 201921478407U CN 211094071 U CN211094071 U CN 211094071U
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- 210000000707 wrist Anatomy 0.000 title claims abstract description 61
- 238000004088 simulation Methods 0.000 claims abstract description 15
- 210000004204 blood vessel Anatomy 0.000 claims abstract description 14
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 6
- 235000013372 meat Nutrition 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 10
- 230000035488 systolic blood pressure Effects 0.000 description 7
- 210000001367 artery Anatomy 0.000 description 6
- 230000035487 diastolic blood pressure Effects 0.000 description 6
- 230000010355 oscillation Effects 0.000 description 5
- 230000003068 static effect Effects 0.000 description 5
- 230000036772 blood pressure Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 3
- 229910052753 mercury Inorganic materials 0.000 description 3
- 206010020772 Hypertension Diseases 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 208000026106 cerebrovascular disease Diseases 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000002526 effect on cardiovascular system Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Abstract
The utility model belongs to the sphygmomanometer field, in particular to a wrist electronic sphygmomanometer calibrating device, which comprises a main box body and an auxiliary box body, wherein a low-pressure air chamber is arranged in the main box body, an external inflator pump connected with the low-pressure air chamber is arranged on one side of the main box body, the auxiliary box body is arranged in the low-pressure air chamber, a high-pressure air chamber is arranged in the auxiliary box body, an internal inflator pump and a pressure stabilizing valve connected with the high-pressure air chamber are arranged on one side of the auxiliary box body, and a reversing controller is arranged on the top of; the top end of the main box body is provided with a high-pressure gauge connected with the high-pressure air chamber, a low-pressure gauge connected with the low-pressure air chamber and a simulation wrist, a simulation blood vessel is arranged in the simulation wrist, and one end of the simulation blood vessel penetrates through the reversing controller and is connected with the high-pressure air chamber. The utility model discloses the structure science can calibrate wrist formula electrosphygmomanometer through the human wrist of simulation, and calibration process is simple quick, and the degree of accuracy is high, uses the threshold low, thereby is fit for ordinary masses and uses this equipment to remove the person to measure the puzzlement of accuracy to wrist formula electrosphygmomanometer.
Description
Technical Field
The utility model belongs to the sphygmomanometer field, concretely relates to wrist formula electrosphygmomanometer calibrating device.
Background
In modern society, most families need a basic medical instrument which is always provided by most families, particularly families with old people, and many people can prepare the sphygmomanometer at home for the health of elders so as to ensure the health of the elders, and if the condition of high blood pressure occurs, the people can timely seek medical advice, take medicine or treat the hypertension so as to avoid other cardiovascular and cerebrovascular diseases caused by overhigh blood pressure. At present, the common sphygmomanometer is divided into two types, namely mercury type and electronic type, and from the aspect of measuring the accuracy of blood pressure, the traditional mercury hydraulic sphygmomanometer is not easily interfered by other external factors, has the highest accuracy, and is the electronic sphygmomanometer. In terms of convenience of use, the electronic sphygmomanometer is more troublesome to use than mercury sphygmomanometers, and therefore, the electronic sphygmomanometer is considered in most cases when selected by ordinary households. The electronic sphygmomanometer is divided into an upper arm type operation mode and a wrist type operation mode, and the convenience of the wrist type electronic sphygmomanometer is stronger than that of the upper arm type electronic sphygmomanometer. The reason why some people directly select the wrist electronic sphygmomanometer during the blood pressure choosing and timing process but feed back that the blood pressure measurement is inaccurate is that the cuff air bag of the wrist electronic sphygmomanometer is integrated with the instrument, and the cuff air bag and the instrument can not be separated like the arm electronic sphygmomanometer, so that the measurement and verification can not be performed like the arm electronic sphygmomanometer, so that people are confused about the accuracy of the measured data during the use process, but no corresponding equipment is available in the market at present to help people to remove the corresponding confusion.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough that exists among the above-mentioned prior art to a wrist formula electrosphygmomanometer calibrating device is provided.
The utility model provides a technical scheme that its technical problem adopted is:
a wrist electronic sphygmomanometer calibrating device is characterized in that: the air inflation device comprises a main box body, wherein a low-pressure air chamber is arranged in the main box body, and an external air inflation pump connected with the low-pressure air chamber is arranged on one side of the main box body; an auxiliary box body is arranged in the low-pressure air chamber, a high-pressure air chamber is arranged in the auxiliary box body, a built-in inflator pump and a pressure stabilizing valve which are connected with the high-pressure air chamber are arranged on one side of the auxiliary box body, and a reversing controller is arranged at the top of the auxiliary box body; the top end of the main box body is provided with a high-pressure gauge connected with the high-pressure air chamber, a low-pressure gauge connected with the low-pressure air chamber and a simulation wrist, a simulation blood vessel is arranged in the simulation wrist, and one end of the simulation blood vessel penetrates through the reversing controller to be connected with the high-pressure air chamber.
Furthermore, one side of the main box body is provided with a power supply interface which is respectively connected with the external inflator pump and the internal inflator pump. The power interface is used for connecting an external power supply and providing energy required by the operation of the calibration device.
Furthermore, the simulated wrist comprises a simulated skeleton and a simulated skin and meat tissue wrapped outside the simulated skeleton, and the simulated blood vessel is positioned between the simulated skeleton and the simulated skin and meat tissue.
Furthermore, the material of the simulated skin and meat tissue is rubber.
Furthermore, the bottom of the main box body is fixed with a machine leg. The machine leg can keep the main box body stable when the calibration device works so as to ensure the detection accuracy of the calibration device.
Further, one side of the high-pressure gauge is provided with a high-pressure button connected with the built-in inflator pump; one side of the low-pressure gauge is provided with a low-pressure button connected with an external inflator pump.
Compared with the prior art, the utility model, have following advantage and effect: the structure science can be through the calibration of human wrist to wrist formula electrosphygmomanometer of simulation, and the calibration process is simple quick, uses the threshold low, and the calibration accuracy is high.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a top view of an embodiment of the present invention.
Fig. 3 is a sectional view taken along line a-a of fig. 2.
Fig. 4 is a sectional view taken along line B-B in fig. 2.
FIG. 5 is a schematic diagram of the inspection data of the oscillometric method.
FIG. 6 is a state diagram of the use of the embodiment.
Wherein, 1, the main box body; 11. a low pressure gas chamber; 12. a machine leg; 13. an external inflator pump; 14. a power interface; 2. an auxiliary box body; 21. a high pressure gas chamber; 22. an inflator pump is arranged inside; 23. a pressure maintaining valve; 24. a commutation controller; 3. a high pressure gauge; 31. a high-pressure button; 4. a low pressure gauge; 41. a low-pressure button; 5. simulating a wrist; 51. simulating skin and meat tissues; 52. simulating a blood vessel; 6. wrist electronic sphygmomanometer.
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
Examples are given.
As shown in fig. 1 to 4, the present embodiment includes a main casing 1 and a sub-casing 2. A low-pressure air chamber 11 is arranged in the main box body 1, a machine leg 12 is fixed at the bottom of the main box body 1, and an external inflator pump 13 connected with the low-pressure air chamber 11 is arranged on one side of the main box body 1. The external inflator pump 13 can inflate the low-pressure air chamber 11, and the machine leg 12 can keep the main box body 1 stable when the calibration device works, so that the detection accuracy of the calibration device is ensured.
An auxiliary box body 2 with the bottom surface fixed with the main box body 1 is arranged in the low-pressure air chamber 11, a high-pressure air chamber 21 is arranged in the auxiliary box body 2, and a built-in inflator pump 22 and a pressure stabilizing valve 23 which are connected with the high-pressure air chamber 21 are arranged on one side of the auxiliary box body 2. The external inflator pump 13 can inflate the low-pressure air chamber 11, and the pressure stabilizing valve 23 is used for adjusting the air pressure in the high-pressure air chamber 21 to ensure that the air pressure is relatively stable. In this embodiment, the top of the sub-tank 2 is further provided with a reversing controller 24. The reversing controller 24 is a two-position four-way electromagnetic valve controlled by a time relay and has the function of generating pulse airflow on the simulated wrist by switching on or off the high-pressure airflow of the high-pressure air chamber so as to obtain a simulated human wrist pulse signal.
The top end of the main box body 1 is provided with a high-pressure gauge 3, a low-pressure gauge 4 and a simulation wrist 5, the high-pressure gauge 3 is connected with the high-pressure air chamber 21 through an air pipe, air pressure in the high-pressure air chamber 21 can be read, and numerical values are reflected on the high-pressure gauge 3, the low-pressure gauge 4 is connected with the low-pressure air chamber 11 through an air pipe, and air pressure in the low-pressure air chamber 11 can be read, and numerical values are reflected on the low-pressure. One side of the high pressure gauge 3 is provided with a high pressure button 31 connected with the internal inflator 22, one side of the low pressure gauge 4 is provided with a low pressure button 41 connected with the external inflator 13, and the output value of the corresponding inflator can be controlled through the high pressure button 31 and the low pressure button 41. The simulated wrist 5 is used for simulating a human wrist, when the calibrating device is used, a wrist electronic sphygmomanometer 6 to be calibrated needs to be sleeved on the simulated wrist 5, the simulated wrist 5 comprises a simulated skeleton, simulated skin and flesh tissues 51 wrapped outside the simulated skeleton and simulated blood vessels 52 located between the simulated skeleton and the simulated skin and flesh tissues 51, the simulated blood vessels 52 are flexible tubes capable of passing air, and one end of each simulated blood vessel 52 penetrates through the reversing controller 24 and is connected with the high-pressure air chamber 21. In this embodiment, the simulated flesh tissue 51 is an air bag structure made of rubber, and the simulated flesh tissue 51 is connected with the low-pressure air chamber, so that the wrist flesh can be well simulated, and pulse signals can be transmitted under the change of the air pressure of the wrist strap of the wrist sphygmomanometer.
One side of the main box body 1 is also provided with a power interface 14 which is respectively connected with an external inflator pump 13, an internal inflator pump 22 and a reversing controller 24. The power interface 14 is used for connecting an external power source and providing energy for the operation of the calibration device.
The working principle of the wrist electronic sphygmomanometer 6 is based on the oscillography, and the principle of the oscillography is that the systolic pressure (S) and the diastolic pressure (D) of the artery of the human body are obtained by detecting the gas pressure oscillation wave in the cuff air bag and performing calculation analysis and judgment by using a fixed algorithm program. The work flow of the wrist electronic sphygmomanometer 6 includes: the cuff is worn to carry out quick inflation and then slow deflation, when the static pressure of air in the cuff is greater than the systolic pressure (S) in the process, the artery of the human body is pressed to be forced to be closed, and at the moment, the air pressure sensor in the electronic sphygmomanometer can detect micro oscillating waves; when the static pressure is close to the systolic pressure (S), the pressure of the human artery is reduced, namely the human artery is gradually recovered, and the amplitude of the oscillation wave detected by the air pressure sensor in the electronic sphygmomanometer is gradually increased; when the static pressure tends to average pressure, the amplitude reaches the maximum; when the static pressure is smaller than the average pressure, the amplitude is gradually reduced; when the static pressure is less than the diastolic pressure (D), the amplitude decreases to zero. The specific process is shown in fig. 5, in the graph, p1 is a oscillogram of the blood pressure of the human artery changing with time t, p2 is a oscillogram of the air pressure in the cuff of the wrist sphygmomanometer changing with time t, u is a group of oscillation curves of which the amplitudes change with time t measured by the air pressure sensor in the wrist electronic sphygmomanometer 6, and the envelope of the peak value of the oscillation curve is calculated to obtain a fitting curve f, wherein two characteristic points a and b on the curve f are corresponding points of the systolic pressure (S) and the diastolic pressure (D) of the human artery.
Based on the working principle of the wrist electronic sphygmomanometer 6, the working process of the calibration device of the wrist electronic sphygmomanometer in this embodiment is as follows: the low-pressure button 41 controls the external inflator pump 13 to inflate the low-pressure air chamber 11 according to a preset numerical value (D), meanwhile, the high-pressure button 31 controls the internal inflator pump 22 to inflate the high-pressure air chamber 21 according to a preset numerical value (S), and in the inflation process, the pressure stabilizing valve 23 is adjusted to stabilize the pressure of the high-pressure air chamber 21 so as to keep the output of the high-pressure air chamber stable; the gas entering the high-pressure air chamber 21 from the built-in inflator 22 enters the simulated blood vessel 52, the gas enters the simulated wrist 5 after passing through the reversing controller 24 along the simulated blood vessel 52, gas pulse signals are generated in the process, the gas pulse signals are used for simulating pulse signals, the pressure gauge 13 connected with the high-pressure air chamber 21 displays the contraction pressure (S), and the pressure gauge on the low-pressure chamber displays the relaxation pressure (D); as shown in fig. 6, the wrist electronic sphygmomanometer 6 is sleeved on the simulated wrist 5, and when the wrist electronic sphygmomanometer 6 is started, the wrist electronic sphygmomanometer 6 starts to work, the air pressure sensor gradually detects the amplitude of the oscillation wave, and collects data, so that the detected data, namely the diastolic pressure (Si) and the systolic pressure (Di), are obtained. The obtained diastolic pressure (Si) and systolic pressure (Di) are compared with the values on the high-pressure barometer (S) and the low-pressure barometer (D), and then calibration can be carried out.
The wrist electronic sphygmomanometer calibration device of the embodiment is used for detecting 2 types of wrist electronic sphygmomanometers 6, namely, an ohm dragon wrist type electronic sphygmomanometerThe sub-sphygmomanometer 6HEM-845 is a fish wrist type electronic sphygmomanometer 6YE8900A, and the specific detection data are shown in the following table 1 (unit is mmHg):
as can be seen from the above table, the calibration device has 3 test points, namely, 113/70 for systolic pressure (S) and diastolic pressure (D); 123/80 and 123/90, the detection times are 5, the measured average value is compared with the reference value set by the calibration device, the result shows that the consistency is better, the deviation of the indication value is within the range of +/-3 mmHg, the measurement repeatability of 12 groups of data is represented by a range difference division coefficient, the maximum value is 2.6/1.3mmHg, and the calibration device has better repeatability and small deviation.
The wrist electronic sphygmomanometer calibration device described in the embodiment has a scientific structure, can calibrate the wrist electronic sphygmomanometer 6 by simulating the wrist of a human body, is simple and quick in calibration process, high in accuracy and low in use threshold, and is suitable for common people to use the device, so that the doubts of the measurement accuracy of the wrist electronic sphygmomanometer can be relieved.
The above description in this specification is merely illustrative of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (6)
1. The utility model provides a wrist formula electrosphygmomanometer calibrating device, includes the main tank body, its characterized in that: a low-pressure air chamber is arranged in the main box body, and an external inflator pump connected with the low-pressure air chamber is arranged on one side of the main box body; an auxiliary box body is arranged in the low-pressure air chamber, a high-pressure air chamber is arranged in the auxiliary box body, a built-in inflator pump and a pressure stabilizing valve which are connected with the high-pressure air chamber are arranged on one side of the auxiliary box body, and a reversing controller is arranged at the top of the auxiliary box body;
the top end of the main box body is provided with a high-pressure gauge connected with the high-pressure air chamber, a low-pressure gauge connected with the low-pressure air chamber and a simulation wrist, a simulation blood vessel is arranged in the simulation wrist, and one end of the simulation blood vessel penetrates through the reversing controller and is connected with the high-pressure air chamber.
2. The wrist electronic sphygmomanometer calibration apparatus according to claim 1, wherein: and one side of the main box body is provided with a power supply interface which is respectively connected with the external inflator pump and the internal inflator pump.
3. The wrist electronic sphygmomanometer calibration apparatus according to claim 1, wherein: the simulated wrist comprises a simulated skeleton and simulated skin and meat tissues wrapped outside the simulated skeleton, and the simulated blood vessel is located between the simulated skeleton and the simulated skin and meat tissues.
4. The wrist electronic sphygmomanometer calibration apparatus according to claim 3, wherein: the simulated skin and meat tissue is made of rubber.
5. The wrist electronic sphygmomanometer calibration apparatus according to claim 1, wherein: the bottom of the main box body is fixed with a machine leg.
6. The wrist electronic sphygmomanometer calibration apparatus according to claim 1, wherein: one side of the high-pressure gauge is provided with a high-pressure button connected with the built-in inflator pump; one side of the low-pressure gauge is provided with a low-pressure button connected with an external inflator pump.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921478407.XU CN211094071U (en) | 2019-09-06 | 2019-09-06 | Wrist electronic sphygmomanometer calibrating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921478407.XU CN211094071U (en) | 2019-09-06 | 2019-09-06 | Wrist electronic sphygmomanometer calibrating device |
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| CN211094071U true CN211094071U (en) | 2020-07-28 |
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| CN201921478407.XU Active CN211094071U (en) | 2019-09-06 | 2019-09-06 | Wrist electronic sphygmomanometer calibrating device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110420018A (en) * | 2019-09-06 | 2019-11-08 | 桐庐县检验检测中心 | A kind of Wrist-cuff device calibrating installation |
| CN113925477A (en) * | 2021-07-08 | 2022-01-14 | 哈尔滨铂云医疗器械有限公司 | Automatic calibration system of electronic sphygmomanometer |
-
2019
- 2019-09-06 CN CN201921478407.XU patent/CN211094071U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110420018A (en) * | 2019-09-06 | 2019-11-08 | 桐庐县检验检测中心 | A kind of Wrist-cuff device calibrating installation |
| CN110420018B (en) * | 2019-09-06 | 2024-09-17 | 桐庐县检验检测中心 | Wrist type electronic sphygmomanometer calibrating device |
| CN113925477A (en) * | 2021-07-08 | 2022-01-14 | 哈尔滨铂云医疗器械有限公司 | Automatic calibration system of electronic sphygmomanometer |
| CN113925477B (en) * | 2021-07-08 | 2023-10-27 | 哈尔滨铂云医疗器械有限公司 | Automatic calibration system of electronic sphygmomanometer |
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