CN113425275A - Heart rate monitoring simulation test module, method and device - Google Patents
Heart rate monitoring simulation test module, method and device Download PDFInfo
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- CN113425275A CN113425275A CN202110696800.1A CN202110696800A CN113425275A CN 113425275 A CN113425275 A CN 113425275A CN 202110696800 A CN202110696800 A CN 202110696800A CN 113425275 A CN113425275 A CN 113425275A
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- 238000004088 simulation Methods 0.000 title claims abstract description 86
- 238000012360 testing method Methods 0.000 title claims abstract description 63
- 238000012544 monitoring process Methods 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 93
- 238000010998 test method Methods 0.000 claims abstract description 12
- 239000011550 stock solution Substances 0.000 claims description 29
- 239000012530 fluid Substances 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 10
- 238000005086 pumping Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 230000006837 decompression Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/024—Detecting, measuring or recording pulse rate or heart rate
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/02—Operational features
- A61B2560/0266—Operational features for monitoring or limiting apparatus function
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- Heart & Thoracic Surgery (AREA)
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- Animal Behavior & Ethology (AREA)
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Abstract
The invention discloses a heart rate monitoring simulation test module, a method and a device, wherein the heart rate monitoring simulation test module comprises a liquid storage chamber, a pressurizing unit, a pressurizing chamber, a pulse simulation unit and a heart rate start-stop valve which are sequentially communicated and form a loop, the pressurizing unit is used for pressurizing liquid in the liquid storage chamber and then flowing to the pressurizing chamber, the heart rate start-stop valve is used for enabling the pulse simulation unit to be communicated with the liquid storage chamber at a preset frequency, and the pulse simulation unit is used for simulating pulse beat. The heart rate monitoring simulation test module, the heart rate monitoring simulation test method and the heart rate monitoring simulation test device are high in test accuracy and more suitable for mass input on a production line, so that the production efficiency is improved.
Description
Technical Field
The invention relates to the technical field of equipment detection, in particular to a heart rate monitoring simulation test module, a heart rate monitoring simulation test method and a heart rate monitoring simulation test device.
Background
With the increasing test requirements of intelligent devices such as watches and the like, the requirements on the quantity and quality of manufacturers of intelligent terminals are higher and higher, so that the requirement on automation is more and more urgent. At present, all domestic large intelligent terminal manufacturers do not have good solutions for heart rate monitoring simulation testing devices and methods, and mainly rely on manual testing. The operation of the mobile intelligent watch is manually controlled, so that the method has the great limitations of high cost, low efficiency, incapability of batch testing and difficulty in large-batch investment of detection equipment of a production line. Is not beneficial to the lifting of the production rhythm and needs manual intervention in the whole process.
Disclosure of Invention
The invention aims to provide a heart rate monitoring simulation test module, a heart rate monitoring simulation test method and a heart rate monitoring simulation test device, which are high in test accuracy and more suitable for mass investment on a production line so as to improve the production efficiency.
The invention discloses a heart rate monitoring simulation test module, which adopts the technical scheme that:
the utility model provides a heart rate monitoring simulation test module, opens the stop valve including stock solution room, pressurizing unit, pumping chamber, pulse analog unit and the heart rate that communicates in proper order and form the return circuit, the pressurizing unit is used for flowing to the pumping chamber behind the liquid pressure boost with the stock solution room, the heart rate opens the stop valve and is used for making pulse analog unit intercommunication stock solution room with predetermineeing the frequency, pulse analog unit is used for simulating the pulse and beats.
Preferably, a pressure detection unit is arranged in the pressurizing chamber, the pressure detection unit acquires pressure information in the pressurizing chamber, and the pressurizing unit pressurizes liquid according to the pressure information.
Preferably, the liquid storage device further comprises a pressure reducing unit, wherein the pressure reducing unit is used for enabling the liquid in the pressurizing chamber to flow to the liquid storage chamber according to the pressure information.
As the preferred scheme, the decompression unit includes pressure balance valve, decompression pump and the return valve that communicates in proper order, pressure balance valve still communicates with the pumping chamber, the return valve still communicates with the stock solution room.
Preferably, the pressurizing unit comprises a heart rate pressurizing pump and a flow stopping valve which are communicated, the heart rate pressurizing pump is further communicated with the liquid storage chamber, and the flow stopping valve is further communicated with the pressurizing chamber.
The scheme also provides a heart rate monitoring simulation test method, which is used for the heart rate monitoring simulation test module and comprises the following steps: pressurizing the liquid in the liquid storage chamber and then flowing to the pressurizing chamber; the heart rate start-stop valve enables the pulse simulation unit to be communicated with the liquid storage chamber at a preset frequency.
The scheme also provides a heart rate monitoring simulation test method, which is used for the heart rate monitoring simulation test module and comprises the following steps: acquiring pressure information in a pressure chamber; if the pressure information is smaller than the threshold range, pressurizing the liquid in the liquid storage chamber and then flowing to the pressurizing chamber; the pressure information is in a threshold range, and the liquid flowing from the liquid storage chamber to the pressurizing chamber is stopped pressurizing; the heart rate start-stop valve enables the pulse simulation unit to be communicated with the liquid storage chamber at a preset frequency.
The scheme also provides a heart rate monitoring simulation test method, which is used for the heart rate monitoring simulation test module and comprises the following steps: acquiring pressure information in a pressure chamber; if the pressure information is smaller than the threshold range, pressurizing the liquid in the liquid storage chamber and then flowing to the pressurizing chamber; if the pressure information is in the threshold range, the liquid flowing from the liquid storage chamber to the pressurizing chamber is stopped pressurizing; if the pressure information is larger than the threshold range, the liquid in the pressurizing chamber flows to the liquid storage chamber through the pressure reducing unit; the heart rate start-stop valve enables the pulse simulation unit to be communicated with the liquid storage chamber at a preset frequency.
This scheme still provides a heart rate monitoring simulation test device, a serial communication port, including offering the casing that holds the chamber, the casing top is equipped with supporting panel, the last support that is equipped with and holds the chamber intercommunication of supporting panel, be equipped with the connecting axle on the support, still include above-mentioned heart rate monitoring simulation test module, the intracavity is located to stock solution room, pressure boost unit, plenum chamber and heart rate start-stop valve, the pulse simulation unit is located on the connecting axle.
Preferably, the swing device further comprises a swing assembly, the connecting shaft is rotatably arranged on the support, and the swing assembly is connected with the connecting shaft and used for driving the connecting shaft to swing back and forth.
The embodiment disclosed by the invention has the beneficial effects that: flow to plenum chamber behind the liquid pressure boost in the pressure cell will stock solution room, pressure boost liquid in the plenum chamber flows to pulse analog unit, when the heart rate opens the stop valve and closes, the fluid pressure of pulse analog unit department is great, when the heart rate opens the stop valve and opens, pulse analog unit intercommunication stock solution room, fluid flow is to stock solution room, make the fluid pressure of pulse analog unit department less, when the heart rate opens the stop valve and is used for making pulse analog unit intercommunication stock solution room with predetermineeing the frequency, the fluid pressure of pulse analog unit department simulates the pulse and beats greatly, thereby can be used for smart machine's heart rate test. Carry out the heart rate test through pulse analog unit, compare artifical test, its test accuracy is high, thereby it improves production efficiency to be more suitable for putting into in batches on the production line.
Drawings
Fig. 1 is a schematic structural diagram of a heart rate monitoring simulation test module according to the invention.
Fig. 2 is a schematic structural diagram of the heart rate monitoring simulation test device of the invention.
Detailed Description
The invention will be further elucidated and described with reference to the embodiments and drawings of the specification:
referring to fig. 1, the heart rate monitoring simulation test module includes a liquid storage chamber, a pressurization unit, a pressurization chamber, a pulse simulation unit and a heart rate start/stop valve, which are sequentially connected to form a loop. The pressure boost unit is used for flowing to the pumping chamber behind the liquid pressure boost with in the stock solution room, the heart rate opens the stop valve and is used for making pulse simulation unit intercommunication stock solution room with predetermineeing the frequency, pulse simulation unit is used for simulating the pulse and beats.
Flow to plenum chamber behind the liquid pressure boost in the pressure cell will stock solution room, pressure boost liquid in the plenum chamber flows to pulse analog unit, when the heart rate opens the stop valve and closes, the fluid pressure of pulse analog unit department is great, when the heart rate opens the stop valve and opens, pulse analog unit intercommunication stock solution room, fluid flow is to stock solution room, make the fluid pressure of pulse analog unit department less, when the heart rate opens the stop valve and is used for making pulse analog unit intercommunication stock solution room with predetermineeing the frequency, the fluid pressure of pulse analog unit department simulates the pulse and beats greatly, thereby can be used for smart machine's heart rate test. Carry out the heart rate test through pulse analog unit, compare artifical test, its test accuracy is high, thereby it improves production efficiency to be more suitable for putting into in batches on the production line.
In this embodiment, the liquid storage chamber is used for storing liquid after the backward flow to the pressure unit carries out the pressure boost to liquid, and the liquid after the pressure boost collects at the pressure boost, and high-pressure liquid is thereby extruded to pulse simulation unit by its export by the pressure boost chamber. The pulse simulation unit comprises a pulse hose and a pulse bounce pressurization valve which is communicated with the pulse hose and a pressurization chamber. The pulse hose can be provided with one or more, and the pulse hose has elasticity, consequently can be along with the big one little of fluid pressure to produce the effect that the pulse is beated. In another embodiment, the pulse simulation unit can be communicated with the liquid storage chamber by adjusting the opening degree of the heart rate start-stop valve, when the opening degree of the heart rate start-stop valve is smaller, the liquid pressure at the pulse simulation unit is larger, and when the opening degree of the heart rate start-stop valve is larger, the liquid pressure at the pulse simulation unit is smaller.
Furthermore, a pressure detection unit is arranged in the pressurizing chamber, the pressure detection unit acquires pressure information in the pressurizing chamber, and the pressurizing unit pressurizes liquid according to the pressure information. The pressure detection unit can be a pressure sensor, in the embodiment, the liquid pressure in the pressure boost chamber is required to reach the threshold range, so that the pulse simulation unit can be ensured to have a better pulse simulation effect, and the upper limit and the lower limit of the threshold range are related to the pulse simulation unit for simulating pulse beating. When the detected value is smaller than the threshold range, the pressurizing unit works and pressurizes the liquid in the liquid storage chamber and then flows to the pressurizing chamber; when the detected value is in or larger than the threshold value range, the pressurization unit stops working. The work of the pressurizing unit is controlled through the pressure information acquired by the pressure detection unit, so that the liquid pressure in the pressurizing chamber is ensured to reach the threshold range, and the pulse simulation unit has a better pulse simulation effect.
Further, the heart rate monitoring simulation test module further comprises a pressure reduction unit, and the pressure reduction unit is used for enabling liquid in the pressure chamber to flow to the liquid storage chamber according to pressure information. When the pressure in the pressurizing chamber is detected to be larger than the threshold range, the pressure reducing unit enables the liquid in the pressurizing chamber to flow to the liquid storage chamber, and therefore the pressure of the liquid in the pressurizing chamber is reduced to the threshold range. Through the cooperation of pressure boost unit and decompression unit for the liquid pressure in the pressure boost chamber reaches dynamic balance, thereby makes pulse simulation unit reach best pulse simulation effect.
Specifically, the pressure boost unit is including the heart rate booster pump and the flow stopping valve of intercommunication, the heart rate booster pump still communicates with the stock solution room, the flow stopping valve still communicates with the booster chamber. The heart rate booster pump is used for liquid pressurization, and the check valve is used for preventing liquid in the pressurization chamber from flowing back. Specifically, the decompression unit is including the pressure balance valve, the decompression pump and the backward flow valve that communicate in proper order, the pressure balance valve still communicates with the pumping chamber, the backward flow valve still communicates with the stock solution room.
Furthermore, the liquid storage chamber is also provided with a liquid discharge valve and an air valve, wherein the liquid discharge valve is used for replacing liquid, and the air valve is used for air inlet or air exhaust.
The embodiment also provides a heart rate monitoring simulation test method, which is used for the heart rate monitoring simulation test module, and the method comprises the following steps:
pressurizing the liquid in the liquid storage chamber and then flowing to the pressurizing chamber;
the heart rate start-stop valve enables the pulse simulation unit to be communicated with the liquid storage chamber at a preset frequency.
The embodiment also provides a heart rate monitoring simulation test method, which is used for the heart rate monitoring simulation test module, and the method comprises the following steps:
acquiring pressure information in a pressure chamber;
if the pressure information is smaller than the threshold range, pressurizing the liquid in the liquid storage chamber and then flowing to the pressurizing chamber;
if the pressure information is in the threshold range, the liquid flowing from the liquid storage chamber to the pressurizing chamber is stopped pressurizing;
the heart rate start-stop valve enables the pulse simulation unit to be communicated with the liquid storage chamber at a preset frequency.
The embodiment also provides a heart rate monitoring simulation test method, which is used for the heart rate monitoring simulation test module, and the method comprises the following steps:
acquiring pressure information in a pressure chamber;
if the pressure information is smaller than the threshold range, pressurizing the liquid in the liquid storage chamber and then flowing to the pressurizing chamber;
if the pressure information is in the threshold range, the liquid flowing from the liquid storage chamber to the pressurizing chamber is stopped pressurizing;
if the pressure information is larger than the threshold range, the liquid in the pressurizing chamber flows to the liquid storage chamber through the pressure reducing unit;
the heart rate start-stop valve enables the pulse simulation unit to be communicated with the liquid storage chamber at a preset frequency.
Flow to plenum chamber behind the liquid pressure boost in the pressure cell will stock solution room, pressure boost liquid in the plenum chamber flows to pulse analog unit, when the heart rate opens the stop valve and closes, the fluid pressure of pulse analog unit department is great, when the heart rate opens the stop valve and opens, pulse analog unit intercommunication stock solution room, fluid flow is to stock solution room, make the fluid pressure of pulse analog unit department less, when the heart rate opens the stop valve and is used for making pulse analog unit intercommunication stock solution room with predetermineeing the frequency, the fluid pressure of pulse analog unit department simulates the pulse and beats greatly, thereby can be used for smart machine's heart rate test. Carry out the heart rate test through pulse analog unit, compare artifical test, its test accuracy is high, thereby it improves production efficiency to be more suitable for putting into in batches on the production line.
Referring to fig. 2, the present embodiment further provides a heart rate monitoring simulation testing device, which includes a housing 10 having a cavity, a supporting panel is disposed on the top of the housing 10, a bracket 20 communicated with the cavity is disposed on the supporting panel, and a connecting shaft 30 is disposed on the bracket 20. Still include above-mentioned heart rate monitoring simulation test module, the appearance intracavity is located to stock solution room 40, pressure boost unit, plenum chamber 50 and heart rate start-stop valve, pulse simulation unit 60 is located on connecting axle 30. After locating the pulse simulation unit at connecting axle 30, be convenient for smart machine 70 to carry out the heart rate test in pulse simulation unit 60.
Flow to plenum chamber behind the liquid pressure boost in the pressure cell will stock solution room, pressure boost liquid in the plenum chamber flows to pulse analog unit, when the heart rate opens the stop valve and closes, the fluid pressure of pulse analog unit department is great, when the heart rate opens the stop valve and opens, pulse analog unit intercommunication stock solution room, fluid flow is to stock solution room, make the fluid pressure of pulse analog unit department less, when the heart rate opens the stop valve and is used for making pulse analog unit intercommunication stock solution room with predetermineeing the frequency, the fluid pressure of pulse analog unit department simulates the pulse and beats greatly, thereby can be used for smart machine's heart rate test. Carry out the heart rate test through pulse analog unit, compare artifical test, its test accuracy is high, thereby it improves production efficiency to be more suitable for putting into in batches on the production line.
Further, heart rate monitoring simulation test device still includes the swing subassembly, the rotatable support 20 of locating of connecting axle 30, the swing subassembly is connected with connecting axle 30 for drive connecting axle 30 swing back and forth. Specifically, the swing assembly includes a motor, a driving wheel connected to the motor, a driven wheel provided on the connecting shaft 30, and a transmission belt connecting the driving wheel and the driven wheel. The forward and reverse rotation of the driven wheel is realized through the forward and reverse rotation of the motor, so that the swing of the connecting shaft 30 is realized. The connecting shaft 30 drives the pulse simulation unit to swing after swinging, so that the intelligent device mounted on the pulse simulation unit can be used for step counting test.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The utility model provides a heart rate monitoring simulation test module, its characterized in that, opens the stop valve including stock solution room, pressurizing unit, pumping chamber, pulse analog unit and the heart rate that communicates in proper order and form the return circuit, the pressurizing unit is used for flowing to the pumping chamber behind the liquid pressure boost in the stock solution room, the heart rate opens the stop valve and is used for making pulse analog unit intercommunication stock solution room with predetermineeing the frequency, pulse analog unit is used for simulating the pulse and beats.
2. The heart rate monitoring simulation test module of claim 1, wherein a pressure detection unit is disposed in the pumping chamber, the pressure detection unit obtains pressure information in the pumping chamber, and the pumping unit pressurizes the liquid according to the pressure information.
3. The heart rate monitoring simulation test module of claim 2, further comprising a pressure reduction unit for flowing fluid within the plenum to the reservoir based on the pressure information.
4. The heart rate monitoring simulation test module of claim 3, wherein the pressure reduction unit comprises a pressure balance valve, a pressure reduction pump and a return valve in sequential communication, the pressure balance valve further in communication with the plenum chamber, the return valve further in communication with the reservoir chamber.
5. The heart rate monitor simulation test module of claim 1 wherein the pressurizing unit includes a heart rate pressurizing pump and a flow stop valve in communication, the heart rate pressurizing pump further in communication with the reservoir chamber, the flow stop valve further in communication with the pressurizing chamber.
6. A heart rate monitoring simulation test method for a heart rate monitoring simulation test module according to claim 1, the method comprising:
pressurizing the liquid in the liquid storage chamber and then flowing to the pressurizing chamber;
the heart rate start-stop valve enables the pulse simulation unit to be communicated with the liquid storage chamber at a preset frequency.
7. A heart rate monitoring simulation test method for a heart rate monitoring simulation test module according to claim 2, the method comprising:
acquiring pressure information in a pressure chamber;
if the pressure information is smaller than the threshold range, pressurizing the liquid in the liquid storage chamber and then flowing to the pressurizing chamber;
if the pressure information is in the threshold range, the liquid flowing from the liquid storage chamber to the pressurizing chamber is stopped pressurizing;
the heart rate start-stop valve enables the pulse simulation unit to be communicated with the liquid storage chamber at a preset frequency.
8. A heart rate monitoring simulation test method for a heart rate monitoring simulation test module according to claim 3, the method comprising:
acquiring pressure information in a pressure chamber;
if the pressure information is smaller than the threshold range, pressurizing the liquid in the liquid storage chamber and then flowing to the pressurizing chamber;
if the pressure information is in the threshold range, the liquid flowing from the liquid storage chamber to the pressurizing chamber is stopped pressurizing;
if the pressure information is larger than the threshold range, the liquid in the pressurizing chamber flows to the liquid storage chamber through the pressure reducing unit;
the heart rate start-stop valve enables the pulse simulation unit to be communicated with the liquid storage chamber at a preset frequency.
9. The heart rate monitoring simulation testing device is characterized by comprising a shell with an accommodating cavity, wherein a supporting panel is arranged at the top of the shell, a support communicated with the accommodating cavity is arranged on the supporting panel, a connecting shaft is arranged on the support, the heart rate monitoring simulation testing device further comprises the heart rate monitoring simulation testing module as claimed in any one of claims 1 to 5, a liquid storage chamber, a pressurizing unit, a pressurizing chamber and a heart rate start-stop valve are arranged in the accommodating cavity, and the pulse simulation unit is arranged on the connecting shaft.
10. The heart rate monitoring simulation test device of claim 9, further comprising a swinging assembly, wherein the connecting shaft is rotatably disposed on the support, and the swinging assembly is connected with the connecting shaft and used for driving the connecting shaft to swing back and forth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110696800.1A CN113425275A (en) | 2021-06-23 | 2021-06-23 | Heart rate monitoring simulation test module, method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110696800.1A CN113425275A (en) | 2021-06-23 | 2021-06-23 | Heart rate monitoring simulation test module, method and device |
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| CN113425275A true CN113425275A (en) | 2021-09-24 |
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| CN202110696800.1A Pending CN113425275A (en) | 2021-06-23 | 2021-06-23 | Heart rate monitoring simulation test module, method and device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101303811A (en) * | 2008-04-29 | 2008-11-12 | 中国人民解放军军事医学科学院卫生装备研究所 | Model for training hemostasis operation of artery and vein |
| CN102568289A (en) * | 2011-12-26 | 2012-07-11 | 北京医模科技有限公司 | Simulation model of arteriovenous blood circuit circulating system |
| KR20160072913A (en) * | 2014-12-15 | 2016-06-24 | 한국표준과학연구원 | Radial pulsation simulator with blood circulatory method of left atrium and left ventricle and method for simulating radial pulsation based on pressure feedback |
| CN205612475U (en) * | 2016-01-21 | 2016-10-05 | 深圳市一测医疗测试技术有限公司 | Wearing formula pulse measurement analogue means |
| CN107468230A (en) * | 2017-08-02 | 2017-12-15 | 东北大学 | A kind of body circulation model and its method for detecting electronic sphygmomanometer |
-
2021
- 2021-06-23 CN CN202110696800.1A patent/CN113425275A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101303811A (en) * | 2008-04-29 | 2008-11-12 | 中国人民解放军军事医学科学院卫生装备研究所 | Model for training hemostasis operation of artery and vein |
| CN102568289A (en) * | 2011-12-26 | 2012-07-11 | 北京医模科技有限公司 | Simulation model of arteriovenous blood circuit circulating system |
| KR20160072913A (en) * | 2014-12-15 | 2016-06-24 | 한국표준과학연구원 | Radial pulsation simulator with blood circulatory method of left atrium and left ventricle and method for simulating radial pulsation based on pressure feedback |
| CN205612475U (en) * | 2016-01-21 | 2016-10-05 | 深圳市一测医疗测试技术有限公司 | Wearing formula pulse measurement analogue means |
| CN107468230A (en) * | 2017-08-02 | 2017-12-15 | 东北大学 | A kind of body circulation model and its method for detecting electronic sphygmomanometer |
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