WO2020253738A1 - Sphygmomanomètre et procédé de mesure de la pression artérielle - Google Patents

Sphygmomanomètre et procédé de mesure de la pression artérielle Download PDF

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Publication number
WO2020253738A1
WO2020253738A1 PCT/CN2020/096634 CN2020096634W WO2020253738A1 WO 2020253738 A1 WO2020253738 A1 WO 2020253738A1 CN 2020096634 W CN2020096634 W CN 2020096634W WO 2020253738 A1 WO2020253738 A1 WO 2020253738A1
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WIPO (PCT)
Prior art keywords
blood pressure
pressure
processor
airbag
air
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PCT/CN2020/096634
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English (en)
Chinese (zh)
Inventor
管中达
余文翰
张冠群
Original Assignee
广东乐心医疗电子股份有限公司
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Publication of WO2020253738A1 publication Critical patent/WO2020253738A1/fr

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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
    • A61B5/021—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

Definitions

  • This application relates to the technical field of medical electronic equipment, and specifically to a blood pressure meter and a blood pressure measurement method.
  • the common electronic sphygmomanometer on the market uses an airbag to pressurize the measuring limb and then collect the pressure signal in the airbag, and calculate the blood pressure value according to the oscillometric method.
  • the single measurement mode cannot meet the different needs of users.
  • the pressure in the airbag measured by the current common electronic sphygmomanometer shows a step-like change.
  • the pressure based on has a certain degree of true air pressure/blood pressure. The accuracy of the impact.
  • the purpose of the embodiments of the present application is to provide a blood pressure meter and a blood pressure measurement method.
  • this application provides a technical solution:
  • a blood pressure meter includes a processor and at least one blood pressure detection unit.
  • the blood pressure detection unit includes: an air bag, an inflation component, an air pressure detection component, and a deflation valve group.
  • the inflating component is connected to the air inlet end of the airbag, and the deflation valve group is connected to the first air outlet end of the airbag;
  • the air pressure detection component is connected to the airbag;
  • the air pressure detection component, the inflation component and the deflation valve group are all connected to the processor;
  • the component is configured to receive the inflation signal sent by the processor and inflate the airbag;
  • the air pressure detection component is configured to detect the pressure information in the airbag, convert the pressure information into a pressure signal and transmit it to the processor;
  • the air release valve group includes a first air release valve And the second air release valve, the diameter of the first air release valve is larger than the diameter of the second air release valve;
  • the air release valve group is configured to receive the air release signal sent by the processor, and deflate the air
  • the sphygmomanometer uses a deflation valve group with different diameters for deflation.
  • a second deflation valve with a smaller diameter is used for slow deflation, which reduces the gas flow speed.
  • the interference of gas flow to the pressure sensor measurement is reduced, and the accuracy is improved.
  • the first air release valve with a larger diameter is used to quickly release the gas in the airbag. Due to the characteristics of the air release valve group, the blood pressure value calculated by the processor using the oscillometric method is close to the linear pressure value, which greatly improves the detection accuracy.
  • the first air outlet end of the above-mentioned airbag is connected with a plurality of parallel gas pipelines; at least one gas pipeline is provided with a first air release valve; at least one gas pipeline is provided with a Two bleed valves, and the number of the second bleed valves is at least one.
  • the first air outlet end of the airbag is connected with two parallel gas pipelines; one of the gas pipelines is provided with a first air release valve; the other gas pipeline is provided with a second gas pipeline Release valve.
  • the air pressure detection assembly includes a first pressure sensor and a second pressure sensor; the first pressure sensor is connected to the air pipe between the first air outlet end of the airbag and the air release valve group; The pressure sensor is configured to detect the pressure information at the first air outlet end of the airbag, and convert the pressure information at the first air outlet end of the airbag into the pressure signal at the first air outlet end of the airbag and transmit it to the processor; the second pressure sensor is connected to the air inlet of the airbag The second pressure sensor is configured to detect the airbag inlet end pressure information, convert the airbag inlet end pressure information into the airbag inlet end pressure signal and transmit it to the processor.
  • the air pressure detection assembly includes a first pressure sensor; the airbag has a second air outlet end; the first pressure sensor is connected to the air duct between the second air outlet end of the airbag and the processor; A pressure sensor is configured to detect the pressure information at the second air outlet end of the airbag, convert the pressure information at the second air outlet end of the airbag into the pressure signal at the second air outlet end of the airbag and transmit it to the processor.
  • the processor is configured to receive the first pressure signal sent by the first pressure sensor and calculate the first blood pressure value according to the first pressure signal when the inflatable component inflates the airbag; after the inflation is completed, process
  • the device is configured to send a deflation signal to the first deflation valve;
  • the processor is configured to first send a deflation signal to the second deflation valve after the inflating component finishes inflating the airbag.
  • the processor is configured to receive the second pressure sensor transmitted Pressure signal and calculate the second blood pressure value according to the second pressure signal; after calculating the second blood pressure value, the processor sends a deflation signal to the first deflation valve; the blood pressure value is the first blood pressure value or the second blood pressure value.
  • the processor is configured to receive the first pressure signal sent by the first pressure sensor and calculate the first blood pressure value according to the first pressure signal when the inflatable component inflates the airbag; after the inflation is completed, process
  • the device is configured to send a deflation signal to the first deflation valve;
  • the processor is configured to first send a deflation signal to the second deflation valve after the inflating component finishes inflating the airbag.
  • the processor is configured to receive the second pressure sensor transmitted Pressure signal and calculate a second blood pressure value based on the second pressure signal; after the processor calculates the second blood pressure value, it sends a deflation signal to the first deflation valve; and
  • the processor is configured to calculate a weighted average value for the first blood pressure value and the second blood pressure value to obtain the weighted average blood pressure value; the blood pressure value is the weighted average blood pressure value.
  • the blood pressure monitor includes multiple blood pressure detection units; each blood pressure detection unit calculates a first blood pressure value, and the processor is configured to calculate a first weighted average value for the multiple first blood pressure values; or
  • Each blood pressure detection unit calculates a second blood pressure value
  • the processor is configured to calculate a second weighted average value for a plurality of second blood pressure values; the blood pressure value is the first weighted average value or the second weighted average value.
  • the blood pressure monitor includes multiple blood pressure detection units; the processor is configured to calculate a weighted average of multiple weighted average blood pressure values calculated according to the information detected by the multiple blood pressure detection units; the blood pressure value is weighted average value.
  • the sphygmomanometer includes a plurality of blood pressure detection units; the processor is configured to receive the first pressure signal sent by the first pressure sensor and calculate the first pressure signal according to the first pressure signal when the inflatable component inflates the airbag. Blood pressure value; after the inflation is completed, the processor is configured to send a deflation signal to the first deflation valve;
  • the processor is configured to first send a deflation signal to the second deflation valve after the inflating component finishes inflating the airbag.
  • the processor is configured to receive the second pressure sensor transmitted Pressure signal and calculate a second blood pressure value according to the second pressure signal; after the processor calculates the second blood pressure value, it sends a deflation signal to the first deflation valve;
  • the processor is configured to calculate a weighted average of multiple first blood pressure values calculated according to the information detected by the multiple blood pressure detection units to obtain the first weighted average blood pressure value; Calculating the weighted average of the multiple second blood pressure values to obtain the second weighted average blood pressure value; and
  • the processor is configured to calculate a weighted average value of the first weighted average blood pressure value and the second weighted average blood pressure value; the blood pressure value is the weighted average value.
  • the blood pressure meter includes two blood pressure detection units.
  • the blood pressure meter includes a mode selection button, which is connected to the processor, and the processor is configured to generate a blood pressure detection mode signal according to a blood pressure detection mode instruction selected by the user, and send the blood pressure detection mode signal to Blood pressure detection unit;
  • the blood pressure detection mode signal includes: a detection mode signal during inflation, a detection mode signal during deflation, or a simultaneous detection mode signal during inflation and deflation.
  • this application provides a technical solution:
  • a blood pressure measurement method adopts a blood pressure meter to perform blood pressure measurement.
  • the blood pressure meter includes: at least one blood pressure detection unit and a processor;
  • the blood pressure detection unit includes: an airbag, an inflation component, an air pressure detection component, and a deflation valve group;
  • the inflation component is connected to the airbag At the air inlet end of the airbag, the deflation valve group is connected to the first air outlet end of the airbag;
  • the air pressure detection component is connected to the airbag;
  • the air pressure detection component, the inflation component and the deflation valve group are all connected to the processor;
  • the inflation component is configured to receive the inflation signal sent by the processor and inflate the airbag;
  • the air pressure detection component is configured to detect the pressure information in the airbag, convert the pressure information into a pressure signal and transmit it to the processor;
  • the air release valve group includes a first air release valve and a second air release valve, the diameter of the first air release valve is larger than that of the second air release valve; the air release valve group is configured to receive the air release signal sent by the processor, And deflate the airbag;
  • the processor is configured to receive the pressure signal, and calculate the blood pressure value according to the pressure signal;
  • Blood pressure measurement methods include:
  • the inflatable component receives the inflation signal sent by the processor and inflates the airbag;
  • the air pressure detection component detects the pressure information in the airbag, converts the pressure information into a pressure signal and transmits it to the processor;
  • the deflation valve group receives the deflation signal sent by the processor and deflates the airbag;
  • the processor receives the pressure signal and calculates the blood pressure value according to the pressure signal.
  • the blood pressure measurement method through the use of a deflation valve group, reduces the influence of gas flow on air pressure detection during the deflation process, and improves the accuracy of blood pressure measurement.
  • the step of the processor receiving the pressure signal and calculating the blood pressure value according to the pressure signal includes: the processor calculates the first blood pressure value according to the first pressure information detected by the air pressure detection component during the inflation process , Output the first blood pressure value as the blood pressure value; or
  • the processor calculates the second blood pressure value according to the second pressure information detected by the air pressure detection component during the deflation process, and outputs the second blood pressure value as the blood pressure value.
  • the step of the processor receiving the pressure signal and calculating the blood pressure value according to the pressure signal includes:
  • the processor calculates the first blood pressure value according to the first pressure information detected by the air pressure detection component during the inflation process
  • the processor calculates the second blood pressure value according to the second pressure information detected by the air pressure detection component during the deflation process
  • the processor calculates the weighted average value of the first blood pressure value and the second blood pressure to obtain the weighted average blood pressure value; the processor outputs the weighted average blood pressure value as the blood pressure value.
  • the blood pressure monitor includes multiple blood pressure detection units
  • the blood pressure measurement method includes: each blood pressure detection unit calculates a first blood pressure value, and the processor calculates a first weighted average of the multiple first blood pressure values Value, the processor outputs the first weighted average value as the blood pressure value; or
  • Each blood pressure detection unit calculates a second blood pressure value
  • the processor calculates a second weighted average value of the multiple second blood pressure values
  • the processor outputs the second weighted average value as the blood pressure value.
  • the sphygmomanometer includes multiple blood pressure detection units
  • the blood pressure measurement method includes: the processor calculates a weighted average of multiple weighted average blood pressure values calculated according to the information detected by the multiple blood pressure detection units; processing; The device outputs the weighted average value as the blood pressure value.
  • the blood pressure monitor includes multiple blood pressure detection units;
  • the blood pressure measurement method includes: the processor calculates a weighted average of multiple first blood pressure values calculated according to the information detected by the multiple blood pressure detection units to obtain The first weighted average blood pressure value; the processor calculates the weighted average of the multiple second blood pressure values calculated according to the information detected by the multiple blood pressure detection units to obtain the second weighted average blood pressure value; then, the processor calculates the first weighted average The blood pressure value and the second weighted average blood pressure value calculate a weighted average; the processor outputs the weighted average as the blood pressure value.
  • each air pressure detection component includes a first pressure sensor and a second pressure sensor; the first pressure sensor is connected to the air pipe between the first air outlet end of the airbag and the air release valve group ; The first pressure sensor is configured to detect the pressure information at the first air outlet end of the airbag, and convert the pressure information at the first air outlet end of the airbag into the pressure signal at the first air outlet end of the airbag and transmit it to the processor;
  • the second pressure sensor is connected to the air path pipe between the air inlet end of the airbag and the inflating component; the second pressure sensor is configured to detect the airbag inlet end pressure information, and convert the airbag inlet end pressure information into the airbag inlet
  • the air port pressure signal is transmitted to the processor; the step of detecting the first pressure information by the air pressure detecting component during the inflation process includes:
  • the first pressure sensor detects the pressure information of the first air outlet end of the airbag at the air path pipe between the first air outlet end of the airbag and the deflation valve group;
  • the steps of the air pressure detection component detecting the second pressure information during the deflation process include:
  • the second pressure sensor detects the pressure information of the air bag inlet end at the air path pipe between the air inlet end of the air bag and the inflatable component.
  • the step of calculating the first blood pressure value by the processor according to the first pressure information detected by the air pressure detecting component during the inflation process includes:
  • the processor receives the first pressure signal sent by the first pressure sensor and calculates the first blood pressure value according to the first pressure signal; after the inflation is completed, the processor sends a deflation signal to the first deflation valve .
  • the step of calculating the second blood pressure value by the processor according to the second pressure information detected by the air pressure detecting component during the deflation process includes:
  • the processor After the airbag is inflated by the inflating component, the processor first sends a deflation signal to the second deflation valve. During the deflation of the second deflation valve, the processor receives the second pressure signal transmitted by the second pressure sensor and then The second pressure signal calculates a second blood pressure value; after the processor calculates the second blood pressure value, it sends a deflation signal to the first deflation valve.
  • this application provides a technical solution:
  • a sphygmomanometer including: a processor and at least one blood pressure detection unit;
  • the blood pressure detection unit includes: an airbag, an inflation component, a deflation valve, and an air pressure detection component; the inflation component is connected to the air inlet end of the airbag, and the deflation valve is connected to the first air outlet end of the airbag; All air valves are connected to the processor;
  • the inflation component is configured to receive the inflation signal sent by the processor and inflate the airbag;
  • the air pressure detection assembly includes at least two pressure sensors, at least one pressure sensor is connected to the air path pipe between the air inlet end of the airbag and the inflatable component; at least one pressure sensor is configured to detect the pressure information at the air inlet end of the airbag, and The air intake port pressure information is converted into the air bag air intake port pressure signal and transmitted to the processor; at least one pressure sensor is connected to the air pipeline between the first air outlet end of the air bag and the air release valve; at least one pressure sensor is configured as Detecting pressure information at the first air outlet end of the airbag, converting the pressure information at the first air outlet end of the airbag into a pressure signal at the first air outlet end of the airbag, and transmitting it to the processor;
  • the processor is configured to receive the pressure signal and calculate the blood pressure value based on the pressure signal.
  • the air pressure detection component can be selected to measure blood pressure during inflation, deflation, or simultaneous measurement during inflation and deflation. Since the second pressure sensor is installed on the air pipe between the air bag inlet end and the inflating component, the deflation process has a relatively low impact on the detection accuracy of the second pressure sensor, which is calculated based on the measurement information of the second pressure sensor The relative accuracy of blood pressure values is improved.
  • Fig. 1 is a schematic structural diagram of a first blood pressure monitor provided by an embodiment of the application, including an air bag and two air pressure detection components;
  • FIG. 2 is a schematic structural diagram of a second type of blood pressure monitor provided by an embodiment of the application, including an air bag and an air pressure detection assembly;
  • FIG. 3 is a schematic structural diagram of a third type of blood pressure monitor provided by an embodiment of the application, including an air bag and an air pressure detecting assembly, where the difference from FIG. 2 is that the air pressure detecting assembly has a different setting position;
  • FIG. 4 is a schematic structural diagram of a fourth type of blood pressure monitor provided by an embodiment of the application, including two airbags and four air pressure detection components;
  • FIG. 5 is a schematic structural diagram of a fifth type of blood pressure monitor provided by an embodiment of the application, including an airbag and an air pressure detection assembly, where the difference from FIG. 2 is that the installation position of the air pressure detection assembly is different;
  • Fig. 6 is a schematic structural diagram of a sixth sphygmomanometer provided by an embodiment of the application, which includes an air bag and two air pressure detection components, and only includes a deflation valve.
  • Icon 10-blood pressure detection unit; 101-first detection unit; 102-second detection unit; 11-airbag; 113-first airbag; 114-second airbag; 12-inflating component; 121-first air pump; 122 -Second air pump; 13-Air pressure detection component; 131-First pressure sensor; 132-Second pressure sensor; 133-Pressure sensor; 14-Air release valve group; 141-First air release valve; 142-Second air release Air valve; 15-air pipeline; 151-first air outlet end; 152-second air outlet end; 16-vent valve; 20-processor.
  • orientation or positional relationship indicated by the terms “upper” and “inner” is based on the orientation or positional relationship shown in the drawings, or is a customary swing when the application product is used.
  • the orientation or positional relationship, or the orientation or positional relationship commonly understood by those skilled in the art is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation or must It is constructed and operated in a specific orientation, so it cannot be understood as a limitation of this application.
  • the terms “setup”, “installation” and “connection” should be understood in a broad sense, for example, it may be a fixed connection or It is a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal communication between the two components, or it can be an electrical connection.
  • the specific meanings of the above-mentioned terms in this application can be understood under specific circumstances.
  • an embodiment of the present application provides a blood pressure monitor, which includes a blood pressure detection unit 10 and a processor 20.
  • the processor 20 receives the information detected by at least one blood pressure detection unit 10, and calculates the blood pressure value and outputs it.
  • the number of blood pressure detection units 10 may be one or more.
  • the blood pressure detection unit 10 includes: an airbag 11, an inflator 12, an air pressure detection assembly 13 and a deflation valve group 14.
  • the inflatable component 12 is connected to the air inlet end of the airbag 11, and the deflation valve group 14 is connected to the first air outlet end 151 of the airbag 11.
  • the air pressure detection assembly 13 is connected to the airbag 11.
  • the air pressure detection component 13, the inflation component 12 and the air release valve group 14 are all connected to the processor 20.
  • the processor 20 is configured to receive the pressure signal transmitted by the air pressure detection component 13 and calculate the blood pressure value according to the pressure signal.
  • the inflator 12 is configured to receive an inflation signal sent by the processor 20 and inflate the airbag 11.
  • the air pressure detection component 13 is configured to detect the pressure information in the airbag 11, convert the pressure information into a pressure signal and transmit it to the processor 20.
  • the purge valve group 14 includes a first purge valve 141 and a second purge valve 142.
  • the diameter of the first purge valve 141 is larger than that of the second purge valve 142.
  • the deflation valve group 14 is configured to receive the deflation signal sent by the processor 20 and deflate the airbag 11.
  • the air pressure detection assembly 13, the inflatable component 12, and the air release valve group 14 may also be connected to the processor 20 by means of, for example, wireless connection.
  • the common sphygmomanometer measures the blood pressure during the deflation process, because the common solenoid valve quickly releases the gas in the airbag, and the rapid flow of the gas affects the detection of the pressure sensor.
  • the blood pressure value calculated by the processor of this sphygmomanometer using the current general oscillometric method is in a stepped shape. This stepped pressure value has a large error, so the accuracy of blood pressure measurement is low.
  • the sphygmomanometer provided by the embodiment of the present application adopts the deflation valve group 14 with different diameters to cooperate with the deflation, so when the air pressure is detected in the deflation process, a second deflation valve with a smaller diameter is used. 142 performs slow deflation to reduce the gas flow speed, thereby reducing the interference of the gas flow on the pressure sensor measurement and improving the accuracy. Due to the characteristics of the purge valve group 14, the blood pressure value calculated by the processor 20 by the oscillometric method is not a stepped pressure value, but a linear pressure value, which greatly improves the accuracy of detection.
  • the second deflation valve 142 is used to deflate slowly.
  • the first deflation valve 141 is opened to remove all the air in the airbag 11. Finished.
  • the gas is always released slowly and more evenly, so the influence on the air pressure in the air bag is small, thereby reducing the error caused by the air pressure release and improving the accuracy of detection .
  • the diameter refers to the size of the channel in the valve body through which the gas passes.
  • the diameter of the second purge valve 142 is smaller than the diameter of the first purge valve 141, that is, the amount of gas passed by the second purge valve 142 per unit time is less than the amount of gas passed by the first purge valve 141 per unit time. In this way, the speed at which only the second purge valve 142 is opened for deflation is lower than the speed at which only the first purge valve 141 is opened for deflation.
  • first air outlet end 151 of the airbag 11 is connected with a plurality of gas path pipes 15, and these gas path pipes 15 are connected in parallel.
  • At least one gas pipeline 15 is provided with a first air release valve 141.
  • At least one gas path pipeline 15 is provided with a second air release valve 142, and the number of the second air release valve 142 provided is at least one. Since the first bleed valve 141 and the second bleed valve 142 are arranged in parallel, in the bleed process, you can choose to bleed through the gas path 15 where the first bleed valve 141 is located or use the second bleed The gas pipeline 15 where the gas valve 142 is located is deflated.
  • the first air outlet end 151 of the airbag 11 is connected with two parallel air passage pipes 15.
  • One of the gas pipelines 15 is provided with a first air release valve 141; the other air pipeline 15 is provided with a second air release valve 142.
  • the gas pipeline 15 where the gas valve 142 is located is deflated.
  • the aforementioned air pressure detecting assembly 13 includes a first pressure sensor 131 and a second pressure sensor 132.
  • the first pressure sensor 131 is connected to the air path 15 between the first air outlet end 151 of the airbag 11 and the deflation valve group 14; the first pressure sensor 131 is configured to detect the pressure information at the first air outlet end of the airbag 11, and The pressure information at the first air outlet end of the airbag 11 is converted into a pressure signal at the first air outlet end of the airbag 11 and transmitted to the processor 20.
  • the second pressure sensor 132 is connected to the air duct 15 between the air inlet end of the airbag 11 and the inflator 12; the second pressure sensor 132 is configured to detect the pressure information at the air inlet end of the airbag 11 and to detect the air inlet end of the airbag 11 The end pressure information is converted into an air inlet end pressure signal of the airbag 11 and transmitted to the processor 20.
  • first pressure sensor 131 and second pressure sensor 132 can be selected from common types of pressure sensors in the art, such as MPS-500G pressure sensors.
  • the above-mentioned air pressure detection component 13 may also be selected to be only one.
  • the air pressure detecting assembly 13 may be arranged on the air path 15 between the first air outlet end 151 and the air release valve group 14.
  • the air pressure detection assembly 13 is provided in the air path 15 between the air inlet end and the inflatable component 12.
  • the aforementioned inflating component 12 selects an inflatable pump.
  • the first purge valve 141 and the second purge valve 142 select solenoid valves.
  • the blood pressure meter includes a blood pressure detection unit 10.
  • the processor 20 is configured to receive the pressure signal transmitted by the air pressure detection component 13 and calculate the blood pressure value according to the pressure signal.
  • the processor 20 is configured to receive the first pressure signal sent by the first pressure sensor 131 when the inflatable component 12 inflates the airbag 11 and calculate the first blood pressure value according to the first pressure signal; after the inflation is completed, the processor 20 is configured to The first purge valve 141 sends out a purge signal.
  • the processor 20 outputs the first blood pressure value as the final blood pressure value.
  • the inflator 12 first inflates the airbag 11.
  • the second pressure sensor 132 detects the pressure information at the air outlet of the airbag 11 and compares the pressure information at the air inlet of the airbag 11. It is converted into a pressure signal and transmitted to the processor 20.
  • the processor 20 receives the pressure signal and calculates a first blood pressure value.
  • the first blood pressure value is the final blood pressure value.
  • the processor 20 sends a deflation signal, and the first deflation valve 141 quickly releases the air in the airbag 11.
  • the measured first blood pressure value comes from the first pressure information at the air duct 15 at the air outlet of the airbag 11.
  • the airflow is relative to the air outlet of the airbag 11.
  • the influence of the air duct 15 at the position is relatively small. Therefore, during the inflation process, the first pressure information from the air duct 15 at the air outlet of the airbag 11 is used to calculate the first blood pressure value, which can improve the accuracy of the measurement. The influence of airflow on the pressure inside the airbag 11 during inflation is reduced.
  • the processor 20 is configured to first send a deflation signal to the second deflation valve 142 after the inflation component 12 inflates the airbag 11, and during the deflation process of the second deflation valve 142,
  • the processor 20 is configured to receive the second pressure signal transmitted by the second pressure sensor 132 and calculate a second blood pressure value according to the second pressure signal; after the processor 20 calculates the second blood pressure value, it sends a deflation to the first deflation valve 141 Signal; blood pressure value is the first blood pressure value or the second blood pressure value.
  • the inflator 12 first inflates the airbag 11.
  • the processor 20 first sends a deflation signal to the second deflation valve 142, so that the second deflation valve 142 slowly Perform deflation.
  • the processor 20 sends a detection signal to the second pressure sensor 132.
  • the second pressure sensor 132 detects the second pressure information at the air duct 15 at the air inlet of the airbag 11, and sends the second pressure information It is converted into a pressure signal and transmitted to the processor 20.
  • the processor 20 calculates the second blood pressure value according to the second pressure signal, and outputs the second blood pressure value as the final blood pressure value.
  • the measured second blood pressure value comes from the second pressure information at the air duct 15 at the air inlet of the airbag 11.
  • the air duct 15 at the air inlet has less influence. Therefore, during the deflation process, the second pressure information from the air duct 15 at the air bag 11 inlet is used to calculate the second blood pressure value, which can increase The accuracy of the measurement reduces the influence of deflation on the pressure in the airbag 11. More importantly, during the deflation process, the second deflation valve 142 is used to slowly deflate the air while measuring the second pressure information. After the processor 20 calculates the second blood pressure value, the first deflation is used. The valve 141 performs rapid deflation, which greatly reduces the error caused by the rapid gas flow on the internal pressure of the airbag 11 during deflation. This further improves the accuracy of blood pressure measurement during the deflation process.
  • the processor 20 is configured to receive the first pressure signal sent by the first pressure sensor 131 and calculate the first blood pressure value according to the first pressure signal when the airbag 11 is inflated by the inflator 12; After that, the processor 20 is configured to send a purge signal to the first purge valve 141. Then, the processor 20 is configured to first send a deflation signal to the second deflation valve 142 after the inflator 12 has completed the inflation of the airbag 11, and the processor 20 is configured to receive The second pressure signal transmitted by the second pressure sensor 132 calculates a second blood pressure value according to the second pressure signal; after the processor 20 calculates the second blood pressure value, it sends a deflation signal to the first deflation valve 141. Finally, the processor 20 is configured to calculate a weighted average value of the first blood pressure value and the second blood pressure value to obtain the weighted average blood pressure value, and the blood pressure value is the weighted average blood pressure value.
  • the processor 20 calculates the weighted average value of the first blood pressure value and the second blood pressure value
  • the weight is selected and set according to actual needs. For example, it may be preset that the first blood pressure value and the second blood pressure value have the same weight; or the first blood pressure value or the second blood pressure value may be assigned different weights in advance; or the processor 20 may be based on the information received during the detection process. The accuracy of the detection signal assigns different weights to different detection processes.
  • the inflator 12 first inflates the airbag 11.
  • the second pressure sensor 132 detects the pressure information at the air outlet of the airbag 11 and compares the pressure information at the air inlet of the airbag 11.
  • the pressure signal is converted to the processor 20, and the processor 20 receives the pressure signal and calculates the first blood pressure value.
  • the processor 20 sends a deflation signal, and the processor 20 first sends a deflation signal to the second deflation valve 142, so that the second deflation valve 142 slowly deflates.
  • the processor 20 sends a detection signal to the second pressure sensor 132.
  • the second pressure sensor 132 detects the second pressure information at the air duct 15 at the air inlet of the airbag 11, and sends the second pressure information It is converted into a pressure signal and transmitted to the processor 20.
  • the processor 20 calculates a second blood pressure value according to the second pressure signal. Then, the processor 20 calculates the weighted average value of the first blood pressure value and the second blood pressure value to obtain the weighted average blood pressure value, and outputs the weighted average blood pressure value as the blood pressure value.
  • the blood pressure is measured at the same time during the process of inflation and deflation. Then, the weighted average value of the first blood pressure value measured during the inflation process and the second blood pressure value measured during the deflation process is calculated, and the weighted average value is output as the final blood pressure value.
  • the accuracy of the data is improved.
  • the blood pressure meter includes a plurality of blood pressure detection units 10.
  • the processor 20 is configured to calculate a weighted average value of multiple weighted average blood pressure values calculated according to the information detected by the multiple blood pressure detection units 10; the blood pressure value is the weighted average value.
  • the blood pressure meter includes a plurality of blood pressure detection units 10.
  • Each blood pressure detection unit 10 calculates a first blood pressure value, and the processor 20 is configured to calculate a first weighted average of multiple first blood pressure values; or each blood pressure detection unit 10 calculates a second blood pressure value, and the processor 20 is configured to calculate a second weighted average value for a plurality of second blood pressure values; the blood pressure value is the first weighted average value or the second weighted average value.
  • the sphygmomanometer includes multiple blood pressure detection units 10; the processor 20 is configured to calculate a weighted average of multiple weighted average blood pressure values calculated according to the information detected by the multiple blood pressure detection units 10; The value is a weighted average.
  • the blood pressure meter includes a plurality of blood pressure detection units 10.
  • the processor 20 receives the first pressure signal sent by the first pressure sensor 131 and calculates the first blood pressure value according to the first pressure signal; after the inflation is completed, the processor 20 deflates to the first The valve 141 sends out a deflation signal; and the processor 20 calculates a weighted average of the multiple first blood pressure values calculated based on the information detected by the multiple blood pressure detection units 10 to obtain the first weighted average blood pressure value.
  • the processor 20 first sends a deflation signal to the second deflation valve 142 after the inflating component 12 inflates the airbag 11, and during the process of deflating the second deflation valve 142, the processor 20 receives the second pressure sensor 132 transmits the second pressure signal and calculates the second blood pressure value according to the second pressure signal; after the processor 20 calculates the second blood pressure value, it sends a deflation signal to the first deflation valve 141, and the processor 20 calculates the second blood pressure value according to the The multiple second blood pressure values calculated from the information detected by the blood pressure detection unit 10 are weighted average to obtain the second weighted average blood pressure value. Finally, the processor 20 calculates a weighted average value of the first weighted average blood pressure value and the second weighted average blood pressure value, and outputs the weighted average value as the final blood pressure value.
  • the blood pressure meter includes two blood pressure detection units 10. They are the first detection unit 101 and the second detection unit 102 respectively.
  • the airbag 11 of the first detection unit 101 is named the first airbag 113
  • the inflator 12 is named the first air pump 121.
  • the airbag 11 of the second detection unit 102 is named the second airbag 114
  • the inflator 12 is named the second air pump 122.
  • the sphygmomanometer is named a dual-balloon sphygmomanometer.
  • the dual balloon sphygmomanometer has three blood pressure measurement modes. They are descending blood pressure measurement, ascending blood pressure measurement, and descending + ascending compound blood pressure measurement.
  • the three blood pressure measurement modes provided by the dual airbag sphygmomanometer can provide users with multiple measurement experiences. Users can choose different measurement modes according to different requirements (including accuracy requirements and comfort experience requirements, etc.).
  • the dual-balloon sphygmomanometer Compared with the single-balloon sphygmomanometer that can only provide descending blood pressure measurement or ascending blood pressure measurement, the dual-balloon sphygmomanometer provided in this embodiment can provide multiple measurement modes to meet different measurement needs of users, and adopts Double airbags calculate the weighted average of the blood pressure values measured in the same mode of the two airbags, which further improves the detection accuracy.
  • the dual balloon sphygmomanometer works like this:
  • the first detection unit 101 and the second detection unit 102 operate simultaneously.
  • the processor 20 first sends a deflation signal to the second deflation valve 142 of the first detection unit 101.
  • processing The processor 20 receives the second pressure signal transmitted by the second pressure sensor 132 of the first detection unit 101 and calculates the second blood pressure value according to the second pressure signal; after the processor 20 calculates the second blood pressure value, it sends the signal to the first detection unit 101
  • the first deflation valve 141 sends out a deflation signal, and the first deflation valve 141 quickly releases the gas in the first airbag 113.
  • the processor 20 first sends a deflation signal to the second deflation valve 142 of the second detection unit 102, and the second deflation valve 142 slowly deflates.
  • the processor 20 receives the second pressure signal transmitted by the second pressure sensor 132 of the second detection unit 102 and calculates the second blood pressure value according to the second pressure signal; after the processor 20 calculates the second blood pressure value, it sends the second detection
  • the first deflation valve 141 of the unit 102 sends out a deflation signal, and the first deflation valve 141 quickly releases the gas in the first airbag 113.
  • the processor 20 calculates a weighted average value (ie, a second weighted average value) of the two second blood pressure values, and outputs the weighted average value as the final blood pressure value as the descending blood pressure value of the user.
  • the dual airbag sphygmomanometer works like this:
  • the first detection unit 101 and the second detection unit 102 operate simultaneously.
  • the processor 20 receives the first pressure signal sent by the first pressure sensor 131 of the first detection unit 101 and calculates the first blood pressure value according to the first pressure signal; after the inflation is completed, The processor 20 sends a deflation signal to the first deflation valve 141 of the first detection unit 101, and the first deflation valve 141 quickly releases all the gas in the first airbag 113.
  • the processor 20 receives the first pressure signal sent by the first pressure sensor 131 of the second detection unit 102 and calculates the first blood pressure value according to the first pressure signal; After the end, the processor 20 sends a deflation signal to the first deflation valve 141 of the second detection unit 102, and the first deflation valve 141 quickly releases all the gas in the second airbag 114. Finally, the processor 20 calculates a weighted average value (ie, the first weighted average value) of the two first blood pressure values and outputs the weighted average value as the final blood pressure value as the user's rising blood pressure value.
  • a weighted average value ie, the first weighted average value
  • the dual-balloon sphygmomanometer works like this:
  • the first detection unit 101 and the second detection unit 102 operate simultaneously.
  • the processor 20 receives the first pressure signal sent by the first pressure sensor 131 of the first detection unit 101 and calculates the first blood pressure value according to the first pressure signal; similarly, the second When the air pump 122 inflates the second airbag 114, the processor 20 receives the first pressure signal sent by the first pressure sensor 131 of the second detection unit 102 and calculates the first blood pressure value according to the first pressure signal; then, the processor 20 calculates two The first weighted average blood pressure value of each first blood pressure value;
  • the processor 20 After the first airbag 113 has been inflated, the processor 20 first sends a deflation signal to the second deflation valve 142 of the first detection unit 101. During the slow deflation of the second deflation valve 142, the processor 20 receives A second pressure signal transmitted by the second pressure sensor 132 of a detection unit 101 and calculates a second blood pressure value according to the second pressure signal; after the processor 20 calculates the second blood pressure value, it deflates to the first detection unit 101 The valve 141 sends out a deflation signal, and the first deflation valve 141 quickly releases the gas in the first airbag 113.
  • the processor 20 first sends a deflation signal to the second deflation valve 142 of the second detection unit 102.
  • the processor 20 20 receives the second pressure signal transmitted by the second pressure sensor 132 of the second detection unit 102 and calculates the second blood pressure value according to the second pressure signal; after the processor 20 calculates the second blood pressure value, it sends the second pressure signal to the second detection unit 102 A deflation valve 141 sends out a deflation signal, and the first deflation valve 141 quickly releases the gas in the second airbag 114. Then, the processor 20 calculates a second weighted average blood pressure value of the two second blood pressure values.
  • the processor 20 calculates a weighted average value of the first weighted average blood pressure value and the second weighted average blood pressure value, and outputs the weighted average value as the final blood pressure value as the user's descending + rising composite blood pressure value.
  • the blood pressure meter provided by the embodiment of the present application includes a mode selection button, which is connected to the processor 20, and the processor 20 is configured to generate a blood pressure detection mode signal according to a blood pressure detection mode instruction selected by the user, and combine the blood pressure detection mode signal Send to the blood pressure detection unit 10.
  • the blood pressure detection mode signal includes: a detection mode signal during inflation, a detection mode signal during deflation, or a simultaneous detection mode signal during inflation and deflation. The user can select the detection mode during inflation, the detection mode during deflation, or the simultaneous detection mode during inflation and deflation by pressing the mode selection button.
  • the above-mentioned mode selection buttons include three, each case is connected to the processor 20, each case corresponds to a detection mode, and each button is provided with a mark. The user can press the corresponding mode To select the corresponding blood pressure measurement mode.
  • the above-mentioned mode selection button includes one, and the number of times the button is pressed represents different modes, for example, pressing the button once represents the detection mode signal during inflation; pressing the button once represents the detection mode signal during deflation; Pressing this button three times means that the mode signal is detected while charging and discharging.
  • the user can select different blood pressure detection modes by pressing the number of times the mode selection button.
  • the above-mentioned mode selection button may be a button installed on the blood pressure monitor, or a virtual button when the screen on the blood pressure monitor is touched.
  • the processor 20 calculates the final output blood pressure value in a different manner.
  • the sphygmomanometer includes multiple blood pressure detection units 10; the processor 20 is configured to calculate a weighted average of multiple weighted average blood pressure values calculated based on the information detected by the multiple blood pressure detection units 10; the blood pressure value is the weighted average value.
  • the dual-airbag sphygmomanometer works as follows:
  • the first detection unit 101 and the second detection unit 102 operate simultaneously.
  • the processor 20 receives the first pressure signal sent by the first pressure sensor 131 of the first detection unit 101 and calculates the first blood pressure value according to the first pressure signal; similarly, the second When the air pump 122 inflates the second airbag 114, the processor 20 receives the first pressure signal sent by the first pressure sensor 131 of the second detection unit 102 and calculates the first blood pressure value according to the first pressure signal;
  • the processor 20 After the first airbag 113 has been inflated, the processor 20 first sends a deflation signal to the second deflation valve 142 of the first detection unit 101. During the slow deflation of the second deflation valve 142, the processor 20 receives A second pressure signal transmitted by the second pressure sensor 132 of a detection unit 101 and calculates a second blood pressure value according to the second pressure signal; after the processor 20 calculates the second blood pressure value, it deflates to the first detection unit 101 The valve 141 sends out a deflation signal, and the first deflation valve 141 quickly releases the gas in the first airbag 113.
  • the processor 20 first sends a deflation signal to the second deflation valve 142 of the second detection unit 102.
  • the processor 20 20 receives the second pressure signal transmitted by the second pressure sensor 132 of the second detection unit 102 and calculates the second blood pressure value according to the second pressure signal; after the processor 20 calculates the second blood pressure value, it sends the second pressure signal to the second detection unit 102 A deflation valve 141 sends out a deflation signal, and the first deflation valve 141 quickly releases the gas in the second airbag 114.
  • the processor 20 calculates the final output blood pressure value, it first calculates the first weighted average value of the first blood pressure value and the second blood pressure value obtained by the first detection unit 101, and then calculates the first blood pressure value and the second blood pressure value obtained by the second detection unit 102. Calculate the second weighted average of the two blood pressure values. Finally, calculate the weighted average of the first weighted average and the second weighted average, and use the weighted average as the final blood pressure value as the user's descending + rising composite blood pressure value Output.
  • each blood pressure detection unit 10 includes only one pressure sensor.
  • the air pressure detection component 13 of each blood pressure detection unit 10 includes a first pressure sensor 131.
  • the airbag 11 has a second air outlet end, and the first pressure sensor 131 is connected to the air path 15 between the second air outlet end 152 of the airbag 11 and the processor 20; the first pressure sensor 131 is configured to detect the second air outlet end of the airbag 11
  • the pressure information at the air port end is converted into the pressure information at the second air outlet end of the airbag 11 and the signal is transmitted to the processor 20.
  • a blood pressure detection unit 10 is taken as an example.
  • the first pressure sensor 131 of the first detection unit 101 is directly connected to the first airbag 113 and the processor 20 through the gas path 15; therefore, whether in the inflation mode or the deflation mode, the first pressure sensor 131 detects As a result, the influence of the gas flow is small, and therefore, the detection accuracy can also be improved.
  • the blood pressure monitor includes: at least one blood pressure detection unit and a processor;
  • the blood pressure detection unit includes: an air bag, an inflation component, an air pressure detection component, and a deflation valve Group;
  • the inflatable component is connected to the air inlet end of the airbag, and the deflation valve group is connected to the first air outlet end of the airbag;
  • the air pressure detection component is connected to the airbag;
  • the air pressure detection component, the inflation component and the deflation valve group are all connected to the processor ;
  • the inflation component is configured to receive the inflation signal sent by the processor and inflate the airbag;
  • the air pressure detection component is configured to detect the pressure information in the airbag, convert the pressure information into a pressure signal and transmit it to the processor;
  • the air release valve group includes a first air release valve and a second air release valve, the diameter of the first air release valve is larger than that of the second air release valve; the air release valve group is configured to receive the air release signal sent by the processor, And deflate the airbag;
  • the processor is configured to receive the pressure signal, and calculate the blood pressure value according to the pressure signal;
  • Blood pressure measurement methods include:
  • the inflation component receives the inflation signal sent by the processor and inflates the airbag.
  • the air pressure detection component detects the pressure information in the airbag, converts the pressure information into a pressure signal and transmits it to the processor.
  • each air pressure detection component includes a first pressure sensor and a second pressure sensor
  • the first pressure sensor is connected to the gas pipeline between the first air outlet end of the airbag and the deflation valve group; the first pressure sensor is configured to detect the pressure information of the first air outlet end of the airbag, and determine the pressure at the first air outlet end of the airbag The information is converted into a pressure signal at the first air outlet of the airbag and transmitted to the processor;
  • the second pressure sensor is connected to the air path pipe between the air inlet end of the airbag and the inflating component; the second pressure sensor is configured to detect the airbag inlet end pressure information, and convert the airbag inlet end pressure information into the airbag inlet
  • the pressure signal at the port end is transmitted to the processor;
  • the steps of the air pressure detecting component detecting the first pressure information during the inflation process include:
  • the first pressure sensor detects the pressure information of the first air outlet end of the airbag at the air path pipe between the first air outlet end of the airbag and the deflation valve group;
  • the steps of the air pressure detection component detecting the second pressure information during the deflation process include:
  • the second pressure sensor detects the pressure information of the air bag inlet end at the air path pipe between the air inlet end of the air bag and the inflatable component.
  • the processor receives the pressure signal, and calculates the blood pressure value according to the pressure signal.
  • the step of calculating the first blood pressure value by the processor according to the first pressure information detected by the air pressure detecting component during the inflation process includes:
  • the processor receives the first pressure signal sent by the first pressure sensor and calculates the first blood pressure value according to the first pressure signal; after the inflation is completed, the processor sends a deflation signal to the first deflation valve .
  • the step of calculating the second blood pressure value by the processor according to the second pressure information detected by the air pressure detecting component during the deflation process includes:
  • the processor After the airbag is inflated by the inflating component, the processor first sends a deflation signal to the second deflation valve. During the deflation of the second deflation valve, the processor receives the second pressure signal transmitted by the second pressure sensor and then The second pressure signal calculates a second blood pressure value; after the processor calculates the second blood pressure value, it sends a deflation signal to the first deflation valve.
  • the processor when the sphygmomanometer includes a blood pressure detection unit, the processor receives the pressure signal and calculates the blood pressure value according to the pressure signal.
  • the step includes: the processor detects the first pressure according to the air pressure detection component during the inflation process. Information is calculated to obtain the first blood pressure value, and the first blood pressure value is output as the blood pressure value; or
  • the processor calculates the second blood pressure value according to the second pressure information detected by the air pressure detection component during the deflation process, and outputs the second blood pressure value as the blood pressure value.
  • the processor receives the pressure signal, and the steps of calculating the blood pressure value according to the pressure signal include:
  • the processor calculates the first blood pressure value according to the first pressure information detected by the air pressure detection component during the inflation process
  • the processor calculates the second blood pressure value according to the second pressure information detected by the air pressure detection component during the deflation process
  • the processor calculates the weighted average value of the first blood pressure value and the second blood pressure to obtain the weighted average blood pressure value; the processor outputs the weighted average blood pressure value as the blood pressure value.
  • each blood pressure detection unit calculates a first blood pressure value
  • the processor calculates the first weighted average of the multiple first blood pressure values
  • the processor calculates the first blood pressure value.
  • a weighted average value is output as the blood pressure value.
  • each blood pressure detection unit calculates a second blood pressure value
  • the processor calculates the second weighted average value of the multiple second blood pressure values
  • the processor calculates the first The two-weighted average is output as the blood pressure value.
  • the processor calculates a weighted average of multiple weighted average blood pressure values calculated based on the information detected by the multiple blood pressure detection units; the processor uses the weighted average as Blood pressure value output.
  • the processor calculates a weighted average of multiple first blood pressure values calculated according to the information detected by the multiple blood pressure detection units to obtain the first weighted average blood pressure value ;
  • the processor calculates a weighted average of multiple second blood pressure values calculated based on information detected by multiple blood pressure detection units to obtain a second weighted average blood pressure value;
  • the processor calculates a weighted average value for the first weighted average blood pressure value and the second weighted average blood pressure value; the processor outputs the weighted average value as the blood pressure value.
  • the deflation valve group receives the deflation signal sent by the processor and deflates the airbag.
  • the deflation valve group deflates the airbag by selecting the first deflation valve or the second deflation valve for deflation according to the deflation signal sent by the processor.
  • the blood pressure monitor includes a processor 20 and at least one blood pressure detection unit 10.
  • the blood pressure detection unit 10 includes: an airbag 11, an inflator 12, a deflation valve 16 and an air pressure detection assembly 13; the inflator 12 is connected to the air inlet end of the airbag 11, and the deflation valve 16 is connected to the first of the airbag 11.
  • the air outlet end; the air pressure detection assembly 13, the inflation component 12 and the air release valve 16 are all connected to the processor 20.
  • the inflator 12 is configured to receive an inflation signal sent by the processor 20 and inflate the airbag 11.
  • the air pressure detecting assembly 13 includes at least two pressure sensors 133, and at least one pressure sensor 133 is connected to the air duct 15 between the air inlet end of the airbag 11 and the inflator 12; at least one pressure sensor 133 is configured to detect the air intake of the airbag 11. Port pressure information, and convert the air bag 11 air inlet end pressure information into air bag 11 air inlet end pressure signals and transmit it to the processor 20; at least one pressure sensor 133 is connected to the first air outlet end of the air bag 11 and the air release valve 16 between the air path 15; at least one pressure sensor 133 is configured to detect the first air outlet end pressure information of the airbag 11, and convert the airbag 11 first air outlet end pressure information into the airbag 11 first air outlet end pressure signal transmission To processor 20.
  • the processor 20 is configured to receive the pressure signal and calculate the blood pressure value based on the pressure signal.
  • the processor 20 receives the pressure signal, and calculates the blood pressure value according to the pressure signal can adopt any of the calculation methods provided in the foregoing embodiments.
  • the blood pressure monitor improves the accuracy of blood pressure measurement by selecting the measurement position of the pressure sensor in different positions according to different modes.
  • the sphygmomanometer is in the inflation stage, because at least one pressure sensor 133 is installed in the air pipe 15 between the first air outlet end of the airbag 11 and the air release valve 16 Therefore, the inflation process has a lower influence on the detection accuracy of the pressure sensor 133 at this position, and the relative accuracy of the blood pressure value calculated with the measurement information of the pressure sensor 133 at this position is improved.
  • the deflation stage since at least one pressure sensor 133 is installed on the air pipe 15 between the air inlet end of the airbag 11 and the inflator 12, the deflation process has a relatively low impact on the detection accuracy of the pressure sensor 133 at this position.

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Abstract

L'invention concerne un sphygmomanomètre, comprenant : un processeur et au moins une unité de mesure de pression sanguine (10). L'unité de mesure de pression sanguine (10) comprend : un coussin gonflable (11), un composant de gonflage (12), un ensemble de mesure de pression d'air (13) et un ensemble valves de dégonflage (14). L'ensemble valves de dégonflage (14) comprend une première valve de dégonflage (141) et une seconde valve de dégonflage (142), le diamètre nominal de la première valve de dégonflage (141) étant supérieur au diamètre nominal de la seconde valve de dégonflage (142). L'ensemble valves de dégonflage (14) est conçu pour recevoir un signal de dégonflage envoyé par le processeur et pour dégonfler le coussin gonflable (11). Le processeur est conçu pour recevoir un signal de pression et calculer une valeur de pression sanguine en fonction du signal de pression. Lorsqu'une mesure de pression d'air est effectuée pendant un processus de dégonflage, la seconde valve de dégonflage (142), dont le diamètre nominal est plus petit, est utilisée pour effectuer un dégonflage lent, et une vitesse d'écoulement d'air est réduite, de telle sorte que l'interférence d'écoulement d'air sur l'ensemble de mesure de pression d'air (13) réalisant une mesure est réduite, et la précision est améliorée.
PCT/CN2020/096634 2019-06-18 2020-06-17 Sphygmomanomètre et procédé de mesure de la pression artérielle WO2020253738A1 (fr)

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CN113615902A (zh) * 2020-05-08 2021-11-09 研能科技股份有限公司 智能衣
CN114469032B (zh) * 2022-01-25 2024-05-17 深圳市奥极健康科技有限公司 一种血压测量方法、装置、设备及可读存储介质

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