CN110522434A - A kind of pressure-releasing control circuit of blood pressure detector - Google Patents
A kind of pressure-releasing control circuit of blood pressure detector Download PDFInfo
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- CN110522434A CN110522434A CN201910277014.0A CN201910277014A CN110522434A CN 110522434 A CN110522434 A CN 110522434A CN 201910277014 A CN201910277014 A CN 201910277014A CN 110522434 A CN110522434 A CN 110522434A
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- 230000036772 blood pressure Effects 0.000 title claims abstract description 69
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 239000004065 semiconductor Substances 0.000 claims description 30
- 239000003990 capacitor Substances 0.000 claims description 28
- 238000007872 degassing Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 7
- 239000008280 blood Substances 0.000 claims description 3
- 210000004369 blood Anatomy 0.000 claims description 3
- 230000004064 dysfunction Effects 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 2
- 230000002045 lasting effect Effects 0.000 description 4
- 238000005273 aeration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 240000008397 Ganoderma lucidum Species 0.000 description 1
- 235000001637 Ganoderma lucidum Nutrition 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003862 health status Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- 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
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/02141—Details of apparatus construction, e.g. pump units or housings therefor, cuff pressurising systems, arrangements of fluid conduits or circuits
-
- 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
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/022—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
- A61B5/0225—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers the pressure being controlled by electric signals, e.g. derived from Korotkoff sounds
Abstract
The invention discloses a kind of pressure-releasing control circuits of blood pressure detector, its work that fast deflation module and slow play gas module are controlled by main control module, to realize the deflation for carrying out friction speed to blood pressure detector under different conditions, to solve when blood pressure detector in the prior art needs to carry out the measurement of blood pressure by carrying out deflation manually since control of deflating is not accurate, to cause blood pressure data detection inaccuracy, benefit inconvenient for use and the technical issues of need the testing staff with use experience just and can be carried out blood pressure detecting to operate, it provides a kind of with forwarding and slowing airway dysfunction, accurately, the pressure-releasing control circuit of easy-to-use blood pressure detector.
Description
Technical field
The present invention relates to technical field of medical equipment, more particularly, to a kind of pressure-releasing control circuit of blood pressure detector.
Background technique
How important reference indicator of the result of blood pressure detecting as medical diagnosis on disease and Physical Health Status, make blood pressure detecting
Device is accurate, easily carries out blood pressure detecting has great significance.
Traditional blood pressure detector obtains the blood of personnel to be measured by when being deflated manually, observing the variation of mercury column
Data are pressed, however accurate blood pressure data can not be got by carrying out inflation/deflation manually to measure, and when detecting
Must be operated by experienced user of service, having thereby resulted in blood pressure detecting, there are large errors, and for user
The more demanding technical problem of member.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
One purpose is to provide a kind of deflation control with forwarding and slowing airway dysfunction, accurate, easy-to-use blood pressure detector
Circuit.
The technical scheme adopted by the invention is that:
In a first aspect, the present invention provides a kind of pressure-releasing control circuit of blood pressure detector comprising deflation module, slow fastly
Deflation module and main control module；Wherein, the output end of the main control module is connect with the input terminal of the fast deflation module, with
It controls the blood pressure detector and carries out Rapid degassing；The input of the output end of the main control module and the slow play gas module
End connection carries out slow play gas to control the blood pressure detector.
Further, the fast deflation module includes fast pressure-releasing control circuit and the first vent valve；The fast deflation control
First output end of circuit is connect with the first end of first vent valve, the second output terminal of the fast pressure-releasing control circuit
It is connect with the second end of first vent valve；The fast pressure-releasing control circuit includes that fast deflation control signal and over-voltage are protected
Deflation control terminal is protected, the output end of the main control module is deflated with the fast deflation control signal, the overvoltage protection respectively
Control terminal connection.
Further, the fast pressure-releasing control circuit specifically includes: first resistor, second resistance, 3rd resistor, the first electricity
Appearance, first diode, the first triode, the first metal-oxide-semiconductor and the second metal-oxide-semiconductor；The first end of the first resistor is described fast
Deflation control signal, the grid of second metal-oxide-semiconductor are the overvoltage protection deflation control terminal, the of the first resistor
One end is connect with the output end of the main control module, and the base stage of the second end of the first resistor and first triode connects
It connects, the collector of first triode is connect with external power supply, and the emitter of first triode is respectively with described first
The first end connection of the grid of MOS pipe, the second resistance, the second end of the second resistance connect with power ground, and described the
The source electrode of one metal-oxide-semiconductor is connect with the drain electrode of second metal-oxide-semiconductor, and the grid of second metal-oxide-semiconductor is that the overvoltage protection is put
Gas control terminal, the grid of second metal-oxide-semiconductor first end with the output end of the main control module, the 3rd resistor respectively
Connection, the second end of the 3rd resistor are connect with external power supply, the source electrode ground connection of second metal-oxide-semiconductor, the first MOS
The drain electrode of pipe is the first output end of the fast pressure-releasing control circuit, and the drain electrode of first metal-oxide-semiconductor is put with described first respectively
The anode connection of the first end of air valve, the first diode, the cathode of the first diode are the fast deflation control electricity
The second output terminal on road, the cathode of the first diode respectively with the second end of first vent valve, the first capacitor
Anode and external power supply connection, the first capacitor cathode ground connection.
Further, the slow play gas module includes slow pressure-releasing control circuit and the second vent valve；The main control module
Output end is connect with the input terminal of the slow pressure-releasing control circuit, the first output end of the slow pressure-releasing control circuit with it is described
The first end of second vent valve connects, and the second of the second output terminal of the slow pressure-releasing control circuit and second vent valve
End connection.
Further, the slow pressure-releasing control circuit specifically includes: the 4th resistance, the 5th resistance, the 6th resistance, the second electricity
Appearance, third capacitor, the second diode, the second triode and third metal-oxide-semiconductor；The first end of 4th resistance is the slow play
The first end of the input terminal of gas control circuit, the 4th resistance is connect with the output end of the main control module, the 4th electricity
The second end of resistance is connect with the first end of the 5th resistance, the base stage of second triode respectively, the 5th resistance
Second end is connect with the emitter of second triode, power ground respectively, the collector of second triode respectively with institute
State the grid connection of the first end of the 6th resistance, the third metal-oxide-semiconductor, the second end of the 6th resistance is respectively with described the
The first end of two capacitors, external power supply connection, the second end of second capacitor are connect with power ground, the third metal-oxide-semiconductor
Source electrode ground connection, the drain electrode of the third metal-oxide-semiconductor are the first output end of the slow pressure-releasing control circuit, the third metal-oxide-semiconductor
Drain electrode is connect with the anode of the first end of second vent valve, second diode respectively, the yin of second diode
The second output terminal of the extremely described slow pressure-releasing control circuit, the cathode of second diode respectively with second vent valve
Second end, the anode of the third capacitor, external power supply connection, the cathode of the third capacitor connect with power ground.
Further, the main control module includes STM32F103R8T6 chip.
The beneficial effects of the present invention are:
A kind of pressure-releasing control circuit of blood pressure detector of the present invention controls fast deflation module and slowly by main control module
The work of deflation module, so that the deflation for carrying out friction speed to blood pressure detector under different conditions is realized, to solve
In the prior art blood pressure detector need by manually carry out deflating the measurement for carrying out blood pressure when since control of deflating is not smart
Standard, to cause blood pressure data detection inaccuracy, benefit inconvenient for use and the testing staff with use experience is needed just to can be carried out
The technical issues of blood pressure detecting operates provides a kind of with forwarding and slowing airway dysfunction, accurate, easy-to-use blood pressure inspection
Survey the pressure-releasing control circuit of device.
In addition, a kind of pressure-releasing control circuit of blood pressure detector of the present invention in fast pressure-releasing control circuit by being provided with
Overvoltage protection deflation control terminal, when carrying out blood pressure detecting and main control module and receiving the signal of device over-voltage, main control module is defeated
Control signal to overvoltage protection deflation control terminal control blood pressure detector is deflated out, in case equipment caused by over-voltage is damaged
The safety problem of personnel bad or used in connection with, solve blood pressure detecting equipment in the prior art do not have over-voltage protecting function and
Caused by safety problem, provide a kind of pressure-releasing control circuit of safe blood pressure detector.
Detailed description of the invention
Fig. 1 is an a kind of specific embodiment module frame chart of the pressure-releasing control circuit of blood pressure detector of the present invention；
Fig. 2 is a specific implementation of fast pressure-releasing control circuit in a kind of pressure-releasing control circuit of blood pressure detector of the present invention
Example circuit diagram；
Fig. 3 is a specific implementation of slow pressure-releasing control circuit in a kind of pressure-releasing control circuit of blood pressure detector of the present invention
Example circuit diagram；
Fig. 4 is the specific embodiment circuit signal of main control module in a kind of pressure-releasing control circuit of blood pressure detector of the present invention
Figure.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
A kind of basic thought principle of the pressure-releasing control circuit of blood pressure detector of the present invention is:
In the different phase that blood pressure detecting carries out, by being provided with fast deflation module and slow play gas module to blood pressure detecting
Device carries out the deflation control of friction speed.Wherein, fast deflation module work terminates rank in device aeration phase and blood pressure detecting
Section, in device aeration phase, main control module gets the pressure value of present apparatus, is more than the first threshold of setting in the pressure value
When value, main control module controls fast deflation module progress Rapid degassing by sending continuous signal to reduce the pressure of device, incites somebody to action
Pressure value is down to the second threshold of setting, avoids injury to personnel to be measured or blood pressure detecting equipment is impaired；In blood pressure detecting knot
Beam stage, main control module control fast deflation module progress Rapid degassing by sending continuous signal, save needed for blood pressure detecting
Time, improve the working efficiency of equipment.The work of slow play gas module is carrying out the blood pressure measurement stage, completes to carry out blood in inflation
Pressure detection when, main control module by send in short-term, intermittent signal control device carry out discontinuity slow deflation, by
Disconnected property, slow deflate in short-term can accurately measure the blood pressure data of personnel to be measured, avoid manually deflate by
Measured blood pressure data is inaccurate in the operation the problem of.
As shown in Figure 1, a kind of pressure-releasing control circuit of blood pressure detector of the present invention comprising main control module, fast deflation
Module and slow play gas module, the output end of main control module is connect with the input terminal of fast deflation module, to control blood pressure detector
Carry out Rapid degassing, the output end of main control module connect with the input terminal of slow play gas module, with control blood pressure detecting village ganoderma lucidum into
Row slow play gas.Wherein, fast deflation module includes fast pressure-releasing control circuit and the first vent valve, and slow play gas module includes slow play gas
Control circuit and the second vent valve, fast pressure-releasing control circuit is according to signal of the reception from main control module to control the first deflation
Valve opens or closes, so that whether control device carries out Rapid degassing, slow pressure-releasing control circuit comes from master control mould according to reception
The signal of block is to control opening or closing for the second vent valve, so that whether control device carries out slow play gas.
Referring to Fig. 2 and Fig. 4, specifically, as shown in Fig. 2, a kind of present invention pressure-releasing control circuit of blood pressure detector
Fast pressure-releasing control circuit comprising first resistor R1, second resistance R2,3rd resistor R3, the first triode Q1, the first PMOS
Pipe Q2, the second PMOS tube Q3, first diode D1 and first capacitor C1；Wherein, first capacitor C1 is polar capacitor, the first electricity
The first end for hindering R1 is the control terminal NIBP_def_fast of fast pressure-releasing control circuit, the first end and master control mould of first resistor R1
Block connection, the second end of first resistor R1 connect with the base stage of the first triode Q1, the collector of the first triode Q1 with it is external
The connection of+5VD power supply, the emitter of the first triode Q1 grid with the first end of second resistance R2, the first PMOS pipe Q2 respectively
Connection, the second end of second resistance R2 are connect with power ground, and the drain electrode of the source electrode of the first PMOS tube Q2 and the second PMOS tube Q3 connect
Connect, the grid of the second PMOS tube Q3 is the enable end of fast pressure-releasing control circuit, the grid of the second PMOS tube Q3 respectively with master control mould
The first end connection of block, 3rd resistor R3, the second end of 3rd resistor R3 are connect with external+5VD power supply, the 2nd PNOS pipe Q3
Source electrode connect with power ground, the drain electrode of the first PMOS tube Q2 respectively with the anode of first diode D1, the first vent valve the
One end N_F_K connection, the cathode of first diode D1 respectively with the second end of the first vent valve, first capacitor C1 it is positive, outer
The connection of+5VD power supply is connect, the cathode of first capacitor C1 is connect with power ground.Referring to Fig. 4, a kind of blood pressure detector in the present invention
The main control module of pressure-releasing control circuit include STM32F103R8T6 chip U1, with over-voltage control output end NIBP_EN
It is connect with the second PMOS tube in fast pressure-releasing control circuit, fast deflation control output end NIBP_def_fast and fast deflate control
The first end of first resistor R1 in circuit connects, and by above-mentioned fast pressure-releasing control circuit, blood pressure detector is in booting
As fast deflation status, the i.e. fast deflation control output end NIBP_def_fast of main control module and over-voltage control output end
NIBP_EN exports lasting low level signal, first diode D1, the first PMOS tube Q2 and the second PMOS tube Q3 conducting, the
One vent valve is to open, when device is inflated, the fast deflation control output end NIBP_def_fast and mistake of main control module
Pressure control output end NIBP_EN exports lasting high level signal and the first vent valve is closed, and the pressure of device rises,
To carry out blood pressure detecting.But when the pressure value that main control module obtains is more than that the first threshold of setting or blood pressure detecting terminate
When, the fast deflation control output end NIBP_def_fast and over-voltage control output end NIBP_EN of main control module, which are exported, to be continued
Low level signal avoid personnel to be measured so that the pressure value of device drops to preset second threshold in safe range
Injured or blood pressure detecting equipment is impaired；In blood pressure detecting ending phase, main control module is put fastly by sending continuous signal control
Gas module carries out Rapid degassing, the time needed for saving blood pressure detecting, improves the working efficiency of equipment.
As shown in figure 3, a kind of slow pressure-releasing control circuit of the pressure-releasing control circuit of blood pressure detector of the present invention comprising
4th resistance R4, the 5th resistance R5, the 6th resistance R6, the second capacitor C2, third capacitor C3, the second triode Q4, third
PMOS tube Q5 and the second diode D2；Wherein, third capacitor C3 is polar capacitor, and the first end of the 4th resistance R4 is slow play gas
The control terminal NIBP_def_slow of control circuit, the first end of the 4th resistance R4 are connect with main control module, the 4th resistance R4's
Second end is connect with the base stage of the first end of the 5th resistance R5, the second triode Q4 respectively, the second end difference of the 5th resistance R5
Connect with the emitter of the second triode Q4, power ground, the collector of the second triode Q4 respectively with the 6th resistance R6 first
End, third PMOS tube Q5 grid connection, the second end of the 6th resistance R6 respectively with the first end of the second capacitor C2, it is external+
The connection of 5VD power supply, the second end of the second capacitor C2 are connect with power ground, and the source electrode of third PMOS tube Q5 is connect with power ground, the
The drain electrode of three PMOS tube Q5 is connect with the first end N_S_K of the anode of the second diode D2, the second vent valve respectively, and the two or two
The cathode of pole pipe D2 is connect with the first end of third capacitor C3, external+5VD power supply respectively, the second end and electricity of third capacitor C3
Connect to source.Referring to Fig. 4, main control module has in slow play gas control output end NIBP_def_slow and slow pressure-releasing control circuit
The 4th resistance R4 first end connection, blood pressure detector booting when be in slow play gaseity, i.e. the slow play of main control module
Gas control output end NIBP_def_slow exports lasting high level signal, so that the second triode Q4, third PMOS tube Q5
Conducting, the second vent valve are opened, and device carries out slow play gas；When device is inflated, the slow play gas control system of main control module is exported
End NIBP_def_slow exports lasting low level signal, so that the second vent valve is closed, when carrying out blood pressure detecting, master control
The slow play gas control output end NIBP_def_slow output discontinuity of module, high level pulse signal in short-term make second
Vent valve is opened, so that device, which carries out discontinuity, in short-term slow play gas, passes through interruption to measure the blood pressure data of personnel to be measured
Property, slow deflate in short-term can accurately measure the blood pressure data of personnel to be measured, avoid manually deflate due to
The problem of operation it is measured blood pressure data it is inaccurate.
It is to be illustrated to preferable implementation of the invention, but the invention is not limited to the implementation above
Example, those skilled in the art can also make various equivalent variations on the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (6)
1. a kind of pressure-releasing control circuit of blood pressure detector, which is characterized in that including module of deflating fastly, slow play gas module and master
Control module；The output end of the main control module is connect with the input terminal of the fast deflation module, to control the blood pressure detecting dress
Set carry out Rapid degassing；The output end of the main control module is connect with the input terminal of the slow play gas module, to control the blood
Detection device is pressed to carry out slow play gas.
2. the pressure-releasing control circuit of blood pressure detector according to claim 1, which is characterized in that the fast deflation module
Including fast pressure-releasing control circuit and the first vent valve；First output end of the fast pressure-releasing control circuit and first vent valve
First end connection, the second output terminal of the fast pressure-releasing control circuit connect with the second end of first vent valve；It is described
Fast pressure-releasing control circuit includes fast deflation control signal and overvoltage protection deflation control terminal, the output end point of the main control module
It is not connect with the fast deflation control signal, the overvoltage protection deflation control terminal.
3. the pressure-releasing control circuit of blood pressure detector according to claim 2, which is characterized in that the fast deflation control
Circuit specifically includes: first resistor, second resistance, 3rd resistor, first capacitor, first diode, the first triode, first
Metal-oxide-semiconductor and the second metal-oxide-semiconductor；The first end of the first resistor is the fast deflation control signal, the grid of second metal-oxide-semiconductor
The extremely described overvoltage protection deflation control terminal, the first end of the first resistor are connect with the output end of the main control module, institute
The second end for stating first resistor is connect with the base stage of first triode, the collector and external power supply of first triode
Connection, the emitter of first triode connect with the first end of the grid of first metal-oxide-semiconductor, the second resistance respectively
It connects, the second end of the second resistance is connect with power ground, the drain electrode of the source electrode of first metal-oxide-semiconductor and second metal-oxide-semiconductor
Connection, the grid of second metal-oxide-semiconductor are the overvoltage protection deflation control terminal, the grid of second metal-oxide-semiconductor respectively with institute
The output end of main control module, the first end connection of the 3rd resistor are stated, the second end and external power supply of the 3rd resistor connect
It connects, the source electrode ground connection of second metal-oxide-semiconductor, the drain electrode of first metal-oxide-semiconductor is the first output of the fast pressure-releasing control circuit
End, the drain electrode of first metal-oxide-semiconductor are connect with the anode of the first end of first vent valve, the first diode respectively,
The cathode of the first diode is the second output terminal of the fast pressure-releasing control circuit, the cathode difference of the first diode
It is connect with the second end of first vent valve, the anode of the first capacitor and external power supply, the cathode of the first capacitor
Ground connection.
4. the pressure-releasing control circuit of blood pressure detector according to any one of claims 1 to 3, which is characterized in that described
Slow play gas module includes slow pressure-releasing control circuit and the second vent valve；The output end of the main control module and the slow play gas control system
The input terminal of circuit connects, and the first output end of the slow pressure-releasing control circuit is connect with the first end of second vent valve,
The second output terminal of the slow pressure-releasing control circuit is connect with the second end of second vent valve.
5. the pressure-releasing control circuit of blood pressure detector according to claim 4, which is characterized in that the slow play gas control system
Circuit specifically includes: the 4th resistance, the 5th resistance, the 6th resistance, the second capacitor, third capacitor, the second diode, the two or three pole
Pipe and third metal-oxide-semiconductor；The first end of 4th resistance is the input terminal of the slow pressure-releasing control circuit, the 4th resistance
First end is connect with the output end of the main control module, the second end of the 4th resistance respectively with the 5th resistance first
End, second triode base stage connection, the second end of the 5th resistance respectively with the emitter of second triode,
Power ground connection, the collector of second triode grid with the first end of the 6th resistance, the third metal-oxide-semiconductor respectively
Pole connection, the second end of the 6th resistance are connect with the first end of second capacitor, external power supply respectively, second electricity
The second end of appearance is connect with power ground, and the source electrode ground connection of the third metal-oxide-semiconductor, the drain electrode of the third metal-oxide-semiconductor is the slow play
First output end of gas control circuit, the drain electrode of the third metal-oxide-semiconductor respectively with the first end of second vent valve, described the
The anode of two diodes connects, and the cathode of second diode is the second output terminal of the slow pressure-releasing control circuit, described
The cathode of second diode is connect with anode, the external power supply of the second end of second vent valve, the third capacitor respectively,
The cathode of the third capacitor is connect with power ground.
6. the pressure-releasing control circuit of blood pressure detector according to claim 5, which is characterized in that the main control module packet
Include STM32F103R8T6 chip.
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| CN201910277014.0A CN110522434A (en) | 2019-04-08 | 2019-04-08 | A kind of pressure-releasing control circuit of blood pressure detector |
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| CN201910277014.0A CN110522434A (en) | 2019-04-08 | 2019-04-08 | A kind of pressure-releasing control circuit of blood pressure detector |
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| CN102100552A (en) * | 2009-12-21 | 2011-06-22 | 通用电气公司 | Adaptive pump control during non-invasive blood pressure measurement |
| WO2013061779A1 (en) * | 2011-10-26 | 2013-05-02 | オムロンヘルスケア株式会社 | Electronic sphygmomanometer |
| CN103829934A (en) * | 2012-11-22 | 2014-06-04 | 陕西亚泰电器科技有限公司 | Electronic sphygmomanometer based on single-chip microcomputer |
| CN203943663U (en) * | 2014-04-25 | 2014-11-19 | 深圳市阳邦电子有限公司 | A kind of electric sphygmomanometer application circuit |
| CN205458649U (en) * | 2016-03-30 | 2016-08-17 | 苏州贝莱弗医疗科技有限公司 | A device for controlling gassing is filled in blood pressure measurement |
| CN107744400A (en) * | 2017-11-20 | 2018-03-02 | 深圳市贝斯曼精密仪器有限公司 | A kind of peripheral vascular detector of the electronic pressare-measuring of the flat probe of ultrasonic Doppler |
| CN210433475U (en) * | 2019-04-08 | 2020-05-01 | 深圳市贝斯曼精密仪器有限公司 | Deflation control circuit of blood pressure detection device |
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