CN210673304U

CN210673304U - Sphygmomanometer

Info

Publication number: CN210673304U
Application number: CN201920923318.5U
Authority: CN
Inventors: 不公告发明人
Original assignee: Guangdong Transtek Medical Electronics Co Ltd
Current assignee: Guangdong Transtek Medical Electronics Co Ltd
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-06-05
Anticipated expiration: 2029-06-18

Abstract

The application relates to the technical field of medical electronic equipment, in particular to a sphygmomanometer. The sphygmomanometer comprises: a processor and at least one blood pressure detection unit. The blood pressure detection unit includes: the air bag, the inflation component, the air pressure detection assembly and the deflation valve group. The air release valve group comprises a first air release valve and a second air release valve, and the drift diameter of the first air release valve is larger than that of the second air release valve. The air discharge valve group is used for receiving air discharge signals sent by the processor and discharging air to the air bag. The processor is used for receiving the pressure signal and calculating a blood pressure value according to the pressure signal. When the air pressure is detected in the air discharging process, the second air discharging valve with the smaller drift diameter is adopted for slow air discharging, the air flowing speed is reduced, the interference of air flowing on the measurement of the pressure sensor is reduced, and the precision is improved.

Description

Sphygmomanometer

Technical Field

The application relates to the technical field of medical electronic equipment, in particular to a sphygmomanometer.

Background

At present, the common electronic sphygmomanometer on the market adopts an air bag to pressurize a measurement limb, collects a pressure signal in the air bag and calculates a blood pressure value according to an oscillometric method. When measuring blood pressure, generally, only one of the descending blood pressure measurement and the ascending blood pressure measurement can be selected, namely, the blood pressure is measured during the deflation or inflation process. The measurement mode is single, and different requirements of users cannot be met.

In addition, the pressure in the air bag measured by the conventional electronic sphygmomanometer is changed in a manner close to a step, and for a descending blood pressure calculation method, the pressure based on the pressure has certain precision influence on the real air pressure/blood pressure when the blood pressure is calculated.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a sphygmomanometer.

In a first aspect, the present application provides a technical solution:

a sphygmomanometer, comprising: a processor and at least one blood pressure detection unit. The blood pressure detection unit includes: the air bag, the inflation component, the air pressure detection assembly and the deflation valve group. The inflation component is connected to the air inlet end of the air bag, and the deflation valve group is connected to the first air outlet end of the air bag; the air pressure detection assembly is connected with the air bag; the air pressure detection assembly, the inflation component and the deflation valve group are all connected with the processor; the inflation component is used for receiving the inflation signal sent by the processor and inflating the air bag; the air pressure detection assembly is used for detecting pressure information in the air bag and converting the pressure information into a pressure signal to be transmitted to the processor; the air release valve group comprises a first air release valve and a second air release valve, and the drift diameter of the first air release valve is larger than that of the second air release valve; the deflation valve group is used for receiving a deflation signal sent by the processor and deflating the air bag; the processor is used for receiving the pressure signal and calculating a blood pressure value according to the pressure signal.

This sphygmomanometer has adopted the cooperation of the gassing valves of latus rectum variation in size to deflate, when the gassing process carries out the atmospheric pressure and detects, adopts the less second bleed valve of latus rectum to slowly deflate, reduces gas flow speed to reduced gas flow and to pressure sensor measuring interference, improved the precision. After the measurement is finished, the gas in the air bag is rapidly released by the first air release valve with the larger drift diameter. Due to the characteristics of the air release valve group, the blood pressure value finally calculated by the processor by adopting an oscillometric method is a pressure value close to linearity, and the detection precision is greatly improved.

In other embodiments of the present application, the first air outlet end of the air bag is connected to a plurality of air path pipelines connected in parallel; a first air release valve is arranged on at least one air path pipeline; at least one air channel pipeline is provided with a second deflation valve, and the number of the second deflation valves is at least one.

In other embodiments of the present application, the first air outlet end of the air bag is connected with two air path pipelines connected in parallel; one of the gas path pipelines is provided with a first air release valve; and the other gas path pipeline is provided with a second air release valve.

In other embodiments of the present application, the air pressure detection assembly includes a first pressure sensor and a second pressure sensor; the first pressure sensor is connected to an air path pipeline between the first air outlet end of the air bag and the air discharging valve group; the first pressure sensor is used for detecting pressure information of a first air outlet end of the air bag, converting the pressure information of the first air outlet end of the air bag into a pressure signal of the first air outlet end of the air bag and transmitting the pressure signal to the processor; the second pressure sensor is connected to the air path pipeline between the air inlet end of the air bag and the inflatable part; the second pressure sensor is used for detecting the pressure information of the air inlet end of the air bag, converting the pressure information of the air inlet end of the air bag into a pressure signal of the air inlet end of the air bag and transmitting the pressure signal to the processor.

In other embodiments of the present application, the air pressure detection assembly includes a first pressure sensor; the air bag is provided with a second air outlet end; the first pressure sensor is connected to the air path pipeline between the second air outlet end of the air bag and the processor; the first pressure sensor is used for detecting pressure information of a second air outlet end of the air bag, converting the pressure information of the second air outlet end of the air bag into a pressure signal of the second air outlet end of the air bag and transmitting the pressure signal to the processor.

In other embodiments of the present application, the processor is configured to receive a first pressure signal from the first pressure sensor and calculate a first blood pressure value based on the first pressure signal when the inflation component inflates the airbag; after the inflation is finished, the processor is used for sending a deflation signal to the first deflation valve; or

The processor is used for sending a deflation signal to the second deflation valve firstly after the inflation component finishes inflating the air bag, and in the deflation process of the second deflation valve, the processor is used for receiving a second pressure signal transmitted by the second pressure sensor and calculating a second blood pressure value according to the second pressure signal; after the processor calculates the second blood pressure value, a deflation signal is sent to the first deflation valve; the blood pressure value is the first blood pressure value or the second blood pressure value.

In other embodiments of the present application, the processor is configured to receive a first pressure signal from the first pressure sensor and calculate a first blood pressure value based on the first pressure signal when the inflation component inflates the airbag; after the inflation is finished, the processor is used for sending a deflation signal to the first deflation valve;

the processor is used for sending a deflation signal to the second deflation valve firstly after the inflation component finishes inflating the air bag, and in the deflation process of the second deflation valve, the processor is used for receiving a second pressure signal transmitted by the second pressure sensor and calculating a second blood pressure value according to the second pressure signal; after the processor calculates the second blood pressure value, a deflation signal is sent to the first deflation valve; and

the processor is used for calculating a weighted average value of the first blood pressure value and the second blood pressure value to obtain a weighted average blood pressure value; the blood pressure value is a weighted average blood pressure value.

In other embodiments of the present application, a sphygmomanometer comprises a plurality of blood pressure detecting units; each blood pressure detection unit calculates to obtain a first blood pressure value, and the processor is used for calculating a first weighted average value of the plurality of first blood pressure values; or

Each blood pressure detection unit calculates to obtain a second blood pressure value, and the processor is used for calculating a second weighted average value of the plurality of second blood pressure values; the blood pressure value is a first weighted average or a second weighted average.

In other embodiments of the present application, a sphygmomanometer comprises a plurality of blood pressure detecting units; the processor is used for calculating a weighted average value of a plurality of weighted average blood pressure values obtained by calculation according to the information detected by the plurality of blood pressure detection units; the blood pressure values are weighted averages.

In other embodiments of the present application, a sphygmomanometer comprises a plurality of blood pressure detecting units; the processor is used for receiving a first pressure signal sent by the first pressure sensor and calculating a first blood pressure value according to the first pressure signal when the air bag is inflated by the inflating component; after the inflation is finished, the processor is used for sending a deflation signal to the first deflation valve;

the processor is used for sending a deflation signal to the second deflation valve firstly after the inflation component finishes inflating the air bag, and in the deflation process of the second deflation valve, the processor is used for receiving a second pressure signal transmitted by the second pressure sensor and calculating a second blood pressure value according to the second pressure signal; after the processor calculates the second blood pressure value, a deflation signal is sent to the first deflation valve;

the processor is used for calculating a weighted average value of a plurality of first blood pressure values obtained by calculation according to the information detected by the plurality of blood pressure detection units to obtain a first weighted average blood pressure value; the processor is used for calculating a weighted average value of a plurality of second blood pressure values obtained by calculation according to the information detected by the plurality of blood pressure detection units to obtain a second weighted average blood pressure value; and

the processor is used for calculating a weighted average value of the first weighted average blood pressure value and the second weighted average blood pressure value; the blood pressure values are weighted averages.

In other embodiments of the present application, the sphygmomanometer comprises two blood pressure detecting units.

In other embodiments of the present application, the blood pressure monitor includes a mode selection key, the mode selection key 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 a user, and send the blood pressure detection mode signal to the blood pressure detection unit;

the blood pressure detection mode signal includes: detecting a mode signal during inflation, detecting a mode signal during deflation or detecting a mode signal during inflation and deflation simultaneously.

In a second aspect, the present application provides a technical solution:

a sphygmomanometer, comprising: a processor and at least one blood pressure detection unit;

the blood pressure detection unit includes: the air bag, the inflation component, the air release valve and the air pressure detection assembly; the inflation component is connected to the air inlet end of the air bag, and the deflation valve is connected to the first air outlet end of the air bag; the air pressure detection assembly, the inflation component and the air release valve are all connected with the processor;

the inflation component is used for receiving the inflation signal sent by the processor and inflating the air bag;

the air pressure detection assembly comprises at least two pressure sensors, and at least one pressure sensor is connected to an air path pipeline between an air inlet end of the air bag and the inflatable part; the pressure sensor is used for detecting pressure information of the air inlet end of the air bag, converting the pressure information of the air inlet end of the air bag into a pressure signal of the air inlet end of the air bag and transmitting the pressure signal to the processor; at least one pressure sensor is connected to the air path pipeline between the first air outlet end of the air bag and the air release valve; the pressure sensor is used for detecting pressure information of a first air outlet end of the air bag, converting the pressure information of the first air outlet end of the air bag into a pressure signal of the first air outlet end of the air bag and transmitting the pressure signal to the processor;

the processor is used for receiving the pressure signal and calculating a blood pressure value according to the pressure signal.

According to the sphygmomanometer, the air pressure detection assembly can select multiple modes of measurement in the inflation process, measurement in the deflation process or simultaneous measurement in the inflation and deflation process to carry out blood pressure measurement. Because the second pressure sensor is arranged on the air path pipeline between the air inlet end of the air bag and the inflatable part, the influence of the deflation process on the detection precision of the second pressure sensor is low, and the relative precision of the blood pressure value calculated by the measurement information of the second pressure sensor is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a schematic structural diagram of a first blood pressure monitor provided by an embodiment of the present application, including an air bag and two air pressure detecting assemblies;

FIG. 2 is a schematic structural diagram of a second sphygmomanometer provided in an embodiment of the present application, including an air bag and an air pressure detecting assembly;

FIG. 3 is a schematic structural diagram of a third blood pressure monitor according to an embodiment of the present application, including an air bag and an air pressure detecting assembly, wherein the difference from FIG. 2 is that the air pressure detecting assembly is disposed at a different position;

FIG. 4 is a schematic structural diagram of a fourth sphygmomanometer provided in an embodiment of the present application, including two air bags and four air pressure detecting assemblies;

fig. 5 is a schematic structural diagram of a fifth sphygmomanometer according to an embodiment of the present application, including an air bag and an air pressure detecting assembly, wherein the difference between the air pressure detecting assembly and the air pressure detecting assembly in fig. 2 is that the air pressure detecting assembly is installed in a different position;

fig. 6 is a schematic structural diagram of a sixth blood pressure monitor provided in the embodiment of the present application, which includes an air bag and two air pressure detecting assemblies, and includes only one deflation valve.

Icon: 10-a blood pressure detection unit; 101-a first detection unit; 102-a second detection unit; 11-an air bag; 113-a first balloon; 114-a second balloon; 12-an inflatable member; 121-a first air pump; 122-a second air pump; 13-an air pressure detection assembly; 131-a first pressure sensor; 132-a second pressure sensor; 133-a pressure sensor; 14-a bleed valve block; 141-a first purge valve; 142-a second purge valve; 15-gas path pipeline; 151-first air outlet end; 152-a second air outlet end; 16-a deflation valve; 20-a processor.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present application, it should be understood that the terms "upper", "inner", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when products of the application are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are used only for convenience in describing the application and simplifying the description, but do not indicate or imply that the devices or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, should not be construed as limiting the application.

Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may for example be fixedly connected, detachably connected, or integrally connected; they may be directly connected or indirectly connected through an intermediate medium, or they may be connected through the inside or through an electrical connection between two members. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Referring to fig. 1 to 5, the present application provides a blood pressure monitor, including: 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 to output. The number of the blood pressure detecting units 10 may be one or more.

The blood pressure detection unit 10 includes: an air bag 11, an inflation component 12, an air pressure detection assembly 13 and a deflation valve set 14.

The inflation member 12 is connected to an air inlet end of the air bag 11, and the deflation valve set 14 is connected to a first air outlet end 151 of the air bag 11. The air pressure detecting unit 13 is connected to the airbag 11. The air pressure detecting assembly 13, the inflation component 12 and the deflation valve set 14 are all connected with the processor 20. The processor 20 is used for receiving the pressure signal transmitted by the air pressure detecting component 13 and calculating the blood pressure value according to the pressure signal. The inflation component 12 is used for receiving the inflation signal sent by the processor 20 and inflating the airbag 11. The air pressure detecting assembly 13 is used for detecting the pressure information in the air bag 11 and converting the pressure information into a pressure signal to be transmitted to the processor 20. The bleed valve group 14 includes a first bleed valve 141 and a second bleed valve 142, and the first bleed valve 141 has a larger diameter than the second bleed valve 142. Deflation valve set 14 is used for receiving deflation signal from processor 20 and deflating air bag 11.

The air pressure detecting assembly 13, the inflation unit 12, and the deflation valve set 14 are all connected to the processor 20 through wires.

In other alternative embodiments of the present application, air pressure detecting assembly 13, inflation member 12, and deflation valve set 14 may also be connected to processor 20 via, for example, a wireless connection.

At present, when the blood pressure is measured in the deflation process of a common sphygmomanometer, the common electromagnetic valve quickly releases the gas in the air bag, and the rapid flow of the gas influences the detection of the pressure sensor. The blood pressure value calculated by the processor of the sphygmomanometer by adopting the currently general oscillometric method is in a step shape, and the error of the step-shaped pressure value is large, so the blood pressure measurement precision is low.

The sphygmomanometer provided by the embodiment of the application adopts the deflation valve group 14 with different drift diameters to cooperate for deflation, and when the air pressure detection is carried out in the deflation process, the second deflation valve 142 with the smaller drift diameter is adopted to slowly deflate, so that the air flow speed is reduced, the interference of the air flow on the measurement of the pressure sensor is reduced, and the precision is improved. Due to the characteristics of the air release valve group 14, the blood pressure value calculated by the processor 20 by adopting the oscillometric method is not a stepped pressure value but a linear pressure value, so that the detection precision is greatly improved.

Specifically, when the air pressure is detected in the deflation stage, the second deflation valve 142 is used to deflate slowly, and after the processor 20 calculates the blood pressure value, the first deflation valve 141 is opened to completely deflate the air in the air bag 11. In the process of blood pressure measurement, in the deflation process, the gas is released slowly and uniformly all the time, so that the influence on the air pressure in the air bag is small, the error caused by air pressure release is reduced, and the detection accuracy is improved.

The drift diameter is a dimension of a passage in the valve body through which gas passes. The diameter of the second purge valve 142 is smaller than that of the first purge valve 141, that is, the amount of gas passing through the second purge valve 142 per unit time is smaller than that of the first purge valve 141 per unit time. Thus, the speed of opening only the second purge valve 142 for purging may be lower than the speed of opening only the first purge valve 141 for purging.

Further, a plurality of air passages 15 are connected to the first air outlet end 151 of the airbag 11, and the air passages 15 are connected in parallel. A first purge valve 141 is provided on at least one of the air path pipes 15. At least one air path pipeline 15 is provided with at least one second release valve 142, and the number of the second release valves 142 is at least one. Since the first and

second purge valves

141 and 142 are arranged in parallel, in the process of purging, the gas path pipeline 15 in which the first purge valve 141 is located may be selected to be purged or the gas path pipeline 15 in which the second purge valve 142 is located may be selected to be purged.

In the illustrated embodiment, two air passage tubes 15 are connected in parallel to the first air outlet end 151 of the air bag 11. One of the air passage pipelines 15 is provided with a first air release valve 141; the other air passage pipe 15 is provided with a second purge valve 142. In the deflation process, the first deflation valve 141 can be selectively opened to deflate the airbag 11 from the air path pipeline 15 where the first deflation valve 141 is located or the second deflation valve 142 is opened to deflate from the air path pipeline 15 where the second deflation valve 142 is located.

Further, the 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 passage pipeline 15 between the first air outlet end 151 of the air bag 11 and the air bleeding valve group 14; the first pressure sensor 131 is configured to detect first air outlet end pressure information of the air bag 11, convert the first air outlet end pressure information of the air bag 11 into a first air outlet end pressure signal of the air bag 11, and transmit the first air outlet end pressure signal to the processor 20.

The second pressure sensor 132 is connected to the air passage pipe 15 between the air inlet end of the airbag 11 and the inflatable member 12; the second pressure sensor 132 is configured to detect pressure information at the gas inlet end of the airbag 11, convert the pressure information at the gas inlet end of the airbag 11 into a pressure signal at the gas inlet end of the airbag 11, and transmit the pressure signal to the processor 20.

It should be noted that the first pressure sensor 131 and the second pressure sensor 132 can be a pressure sensor of a type commonly used in the art, such as a MPS-500G type pressure sensor.

In other alternative embodiments of the present application, the air pressure detecting assembly 13 may be selectively set to only one. Referring to fig. 2, for example, air pressure detecting assembly 13 may be disposed in air passage conduit 15 between first air outlet end 151 and air bleed valve block 14. Alternatively, referring to fig. 3, the air pressure detecting assembly 13 is disposed in the air passage conduit 15 between the air inlet end and the inflatable member 12.

Alternatively, the aforementioned inflation component 12 is selected from an inflator. The first and

second purge valves

141 and 142 select solenoid valves.

Further, in some embodiments of the present application, the blood pressure monitor includes a blood pressure detecting unit 10. The processor 20 is used for receiving the pressure signal transmitted by the air pressure detecting component 13 and calculating the blood pressure value according to the pressure signal. The processor 20 is used for receiving a first pressure signal sent by the first pressure sensor 131 and calculating a first blood pressure value according to the first pressure signal when the air inflating component 12 inflates the air bag 11; after inflation is complete, the processor 20 is configured to send a deflation signal to the first deflation valve 141. The processor 20 outputs the first blood pressure value as a final blood pressure value.

In the embodiment shown in fig. 1, the air bag 11 is first inflated by the inflating component 12, during the inflation process, the second pressure sensor 132 detects the pressure information at the air outlet of the air bag 11, and converts the pressure information at the air inlet of the air bag 11 into a pressure signal to be transmitted to the processor 20, and the processor 20 receives the pressure signal and calculates a first blood pressure value, which is a final blood pressure value. After the inflation is finished, the processor 20 sends out a deflation signal, and the first deflation valve 141 releases the gas of the airbag 11 quickly.

In the process, because the measured first blood pressure value is obtained from the first pressure information at the air path pipeline 15 at the air outlet of the air bag 11 in the deflation process of the inflation component 12, and the influence of the air flow on the air path pipeline 15 at the air outlet of the air bag 11 is small in the inflation process, the first blood pressure value is calculated by adopting the first pressure information at the air path pipeline 15 at the air outlet of the air bag 11 in the inflation process, so that the measurement accuracy can be improved, and the influence of the air flow on the pressure in the air bag 11 in the inflation process can be reduced.

In some embodiments of the present application, the processor 20 is configured to send a deflation signal to the second deflation valve 142 after the inflation component 12 finishes inflating the air bag 11, and during the deflation 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; the processor 20 sends a deflation signal to the first deflation valve 141 after calculating the second blood pressure value; the blood pressure value is the first blood pressure value or the second blood pressure value.

In the embodiment shown in fig. 1, the air bag 11 is first inflated by the inflating component 12, and after the inflation is finished, the processor 20 sends a deflation signal to the second deflation valve 142, so that the second deflation valve 142 is slowly deflated. During deflation, the processor 20 sends a detection signal to the second pressure sensor 132, and the second pressure sensor 132 detects second pressure information at the air passage 15 at the air inlet of the air bag 11, converts the second pressure information into a pressure signal, and transmits the pressure signal to the processor 20. The processor 20 calculates a second blood pressure value from the second pressure signal and outputs the second blood pressure value as a final blood pressure value.

In the process, because the measured second blood pressure value is obtained from the second pressure information at the air path pipeline 15 at the air inlet of the air bag 11 in the deflation process of the inflation component 12, and the influence of the air flow on the air path pipeline 15 at the air inlet of the air bag 11 is small in the deflation process, the second blood pressure value is calculated by adopting the second pressure information at the air path pipeline 15 at the air inlet of the air bag 11 in the deflation process, so that the measurement accuracy can be improved, and the influence of the deflation on the pressure in the air bag 11 is reduced. More importantly, in the deflation process, the second deflation valve 142 is used for slowly deflating, meanwhile, the second pressure information is measured, and after the processor 20 calculates the second blood pressure value, the first deflation valve 141 is used for quickly deflating, so that the error caused by the quick flow of gas to the pressure in the air bag 11 during deflation is greatly reduced. And then improved the gassing in-process, blood pressure measurement's precision.

In some embodiments of the present application, the processor 20 is configured to receive a first pressure signal from the first pressure sensor 131 and calculate a first blood pressure value according to the first pressure signal when the air bag 11 is inflated by the inflating component 12; after inflation is complete, the processor 20 is configured to send a deflation signal to the first deflation valve 141. Then, the processor 20 is configured to send a deflation signal to the second deflation valve 142 after the inflation component 12 finishes inflating the air bag 11, and during the deflation 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; the processor 20 calculates the second blood pressure value and sends a deflation signal to the first deflation valve 141. Finally, the processor 20 is configured to calculate a weighted average value for the first blood pressure value and the second blood pressure value, so as to obtain a weighted average blood pressure value, where the blood pressure value is the weighted average blood pressure value.

When the processor 20 calculates the weighted average 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 different weights can be given to the first blood pressure value or the second blood pressure value in advance; or different weights may be assigned by the processor 20 to different detection processes depending on how accurately the detection signal is received during the detection process.

In the embodiment shown in fig. 1, the air bag 11 is first inflated by the inflating component 12, and during the inflation process, the second pressure sensor 132 detects the pressure information at the air outlet of the air bag 11, converts the pressure information at the air inlet of the air bag 11 into a pressure signal and transmits the pressure signal to the processor 20, and the processor 20 receives the pressure signal and calculates the first blood pressure value. After the inflation is finished, the processor 20 sends out a deflation signal, and the processor 20 sends out a deflation signal to the second deflation valve 142 first, so that the second deflation valve 142 deflates slowly. During the deflation process, the processor 20 sends a detection signal to the second pressure sensor 132, and the second pressure sensor 132 detects the second pressure information at the air path pipeline 15 at the air inlet of the air bag 11, converts the second pressure information into a pressure signal, and transmits the pressure signal to the processor 20. The processor 20 calculates a second blood pressure value based on the second pressure signal. Then, the processor 20 calculates a weighted average value of the first blood pressure value and the second blood pressure value, obtains a weighted average blood pressure value, and outputs the weighted average blood pressure value as a blood pressure value.

In the process, the blood pressure is measured simultaneously in the processes of inflation and deflation. Then, the first blood pressure value measured in the inflation process and the second blood pressure value measured in the deflation process are weighted and averaged, and the weighted average value is output as the final blood pressure value. The blood pressure values are measured in the inflating and deflating processes respectively, and then the weighted average value is calculated, so that the data accuracy is improved.

In some embodiments of the present application, the sphygmomanometer comprises a plurality of blood pressure detecting units 10. The processor 20 is used for calculating a weighted average value of a plurality of weighted average blood pressure values obtained by calculation according to the information detected by the plurality of blood pressure detection units 10; the blood pressure values are weighted averages.

In some embodiments of the present application, the sphygmomanometer comprises a plurality of blood pressure detecting units 10. Each blood pressure detecting unit 10 calculates a first blood pressure value, and the processor 20 is configured to calculate a first weighted average value for the plurality of first blood pressure values; or each blood pressure detecting unit 10 calculates a second blood pressure value, and the processor 20 is configured to calculate a second weighted average value for the plurality of second blood pressure values; the blood pressure value is a first weighted average or a second weighted average.

In some embodiments of the present application, the sphygmomanometer comprises a plurality of blood pressure detecting units 10; the processor 20 is used for calculating a weighted average value of a plurality of weighted average blood pressure values obtained by calculation according to the information detected by the plurality of blood pressure detection units 10; the blood pressure values are weighted averages.

In some embodiments of the present application, the sphygmomanometer comprises a plurality of blood pressure detecting units 10. The processor 20 receives a first pressure signal from the first pressure sensor 131 and calculates a first blood pressure value according to the first pressure signal when the air cell 11 is inflated by the inflating component 12; after the inflation is finished, the processor 20 sends a deflation signal to the first deflation valve 141; and the processor 20 calculates a weighted average of a plurality of first blood pressure values calculated from the information detected by the plurality of blood pressure detecting units 10 to obtain a first weighted average blood pressure value. Then, the processor 20 sends a deflation signal to the second deflation valve 142 after the inflation component 12 finishes inflating the air bag 11, and in the deflation process of the second deflation valve 142, the processor 20 receives the second pressure signal transmitted by the second pressure sensor 132 and calculates a second blood pressure value according to the second pressure signal; the processor 20 calculates the second blood pressure value, and then sends a deflation signal to the first deflation valve 141, and the processor 20 calculates a weighted average value of a plurality of second blood pressure values calculated based on the information detected by the plurality of blood pressure detecting units 10, and obtains a second weighted average blood pressure value. Finally, the processor 20 performs a weighted average of the first weighted average blood pressure value and the second weighted average blood pressure value, and outputs the weighted average as a final blood pressure value.

In the embodiment shown in fig. 4, the sphygmomanometer comprises two blood pressure detecting units 10. A first detecting unit 101 and a second detecting unit 102, respectively. The airbag 11 of the first detecting unit 101 is named as a first airbag 113, and the inflating part 12 is named as a first air pump 121. The air cell 11 of the second sensing unit 102 is named as a second air cell 114 and the air charging part 12 is named as a second air pump 122. The sphygmomanometer is named as a double-air-bag sphygmomanometer.

The double-air bag sphygmomanometer has three blood pressure measurement modes. Respectively, a falling blood pressure measurement, an ascending blood pressure measurement and a falling + ascending composite blood pressure measurement. The three blood pressure measurement modes provided by the double-air-bag sphygmomanometer can bring various measurement experiences for users. The user can select different measurement modes according to different requirements (including requirements on precision, comfort experience requirements and the like). Compared with a single-air-bag sphygmomanometer which can only provide descending blood pressure measurement or ascending blood pressure measurement and is common in the current market, the double-air-bag sphygmomanometer provided by the embodiment can provide multiple measurement modes, different measurement requirements of users are met, and the double air bags are adopted, so that a weighted average value is calculated for blood pressure values measured in the same mode of the two air bags, and the detection precision is further improved.

Specifically, when the user selects the fall blood pressure measurement mode, the dual-air-bag sphygmomanometer operates as follows:

the first detection unit 101 and the second detection unit 102 operate simultaneously. After the first air pump 121 finishes inflating the first air bag 113, the processor 20 firstly sends an air release signal to the second air release valve 142 of the first detection unit 101, and in the process of slowly releasing air by the second air release valve 142, the processor 20 receives a second pressure signal transmitted by the second pressure sensor 132 of the first 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 sends a deflation signal to the first deflation valve 141 of the first detection unit 101, and the first deflation valve 141 quickly releases the gas in the first air bag 113. Similarly, after the second air pump 122 finishes inflating the second air bag 114, the processor 20 first sends a deflation signal to the second deflation valve 142 of the second detection unit 102, and during the process of slowly deflating the second deflation valve 142, the processor 20 receives the second pressure signal transmitted by the second pressure sensor 132 of the second detection unit 102 and 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 of the second detection unit 102, and the first deflation valve 141 quickly releases the gas in the first air bag 113. Finally, the processor 20 calculates a weighted average of the two second blood pressure values (i.e., a second weighted average), and outputs the weighted average as a final blood pressure value as the user's descending blood pressure value.

When the user selects the ascending blood pressure measuring mode, the double-air bag sphygmomanometer works as follows:

the first detection unit 101 and the second detection unit 102 operate simultaneously. When the first air pump 121 inflates the first air bag 113, the processor 20 receives a first pressure signal sent by the first pressure sensor 131 of the first detection unit 101 and calculates a first blood pressure value according to the first pressure signal; after the inflation is finished, 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 air bag 113. Similarly, when the second air pump 122 inflates the second air bag 114, the processor 20 receives the first pressure signal from the first pressure sensor 131 of the second detection unit 102 and calculates a first blood pressure value according to the first pressure signal; after the inflation is finished, 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 air bag 114. Finally, the processor 20 calculates a weighted average of the two first blood pressure values (i.e., a first weighted average) and outputs the weighted average as a final blood pressure value as the user's ascending blood pressure value.

When the user selects the descending type and ascending type composite blood pressure measuring mode, the double-air-bag sphygmomanometer works as follows:

the first detection unit 101 and the second detection unit 102 operate simultaneously. When the first air pump 121 inflates the first air bag 113, the processor 20 receives a first pressure signal sent by the first pressure sensor 131 of the first detection unit 101 and calculates a first blood pressure value according to the first pressure signal; similarly, when the second air pump 122 inflates the second air bag 114, the processor 20 receives the first pressure signal from the first pressure sensor 131 of the second detection unit 102 and calculates a first blood pressure value according to the first pressure signal; the processor 20 then calculates a first weighted average blood pressure value of the two first blood pressure values;

after the first air bag 113 is inflated, the processor 20 firstly sends a deflation signal to the second deflation valve 142 of the first detection unit 101, and in the process of slowly deflating the second deflation valve 142, the processor 20 receives a second pressure signal transmitted by the second pressure sensor 132 of the first 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 sends a deflation signal to the first deflation valve 141 of the first detection unit 101, and the first deflation valve 141 quickly releases the gas in the first air bag 113. Similarly, after the inflation of the second air bag 114 is finished, the processor 20 firstly sends a deflation signal to the second deflation valve 142 of the second detection unit 102, and during the slow deflation process of the second deflation valve 142, the processor 20 receives a second pressure signal transmitted by the second pressure sensor 132 of the second detection unit 102 and 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 of the second detection unit 102, and the first deflation valve 141 quickly releases the gas in the second air bag 114. The processor 20 then calculates a second weighted average blood pressure value of the two second blood pressure values.

Finally, the processor 20 calculates a weighted average of the first weighted average blood pressure value and the second weighted average blood pressure value, and outputs the weighted average as a final blood pressure value as a falling type + rising type composite blood pressure value of the user.

Further, the blood pressure monitor provided by the embodiment of the present application includes a mode selection key, the mode selection key 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 command selected by a user, and send the blood pressure detection mode signal to the blood pressure detection unit 10. The blood pressure detection mode signal includes: detecting a mode signal during inflation, detecting a mode signal during deflation or detecting a mode signal during inflation and deflation simultaneously. The user can select the detection mode during inflation, the detection mode during deflation or the simultaneous detection mode for inflation and deflation by pressing the mode selection key.

In some embodiments of the present application, the mode selection keys include three, each case is connected to the processor 20, each case corresponds to one detection mode, and each key is provided with a mark, so that a user can select a corresponding blood pressure measurement mode by pressing the key of the corresponding mode.

In other embodiments of the present application, the mode selection keys include one, and the number of times the key is pressed represents different modes, for example, pressing the key once represents detecting a mode signal when inflating; pressing the key once represents detecting a mode signal when the air is deflated; pressing the key three times represents detecting the mode signal of charging and discharging simultaneously. The user can select different blood pressure detection modes by pressing the mode selection key for times.

The mode selection key may be a key installed on the sphygmomanometer, or may be a virtual key on a touch screen on a display screen of the sphygmomanometer.

In some embodiments of the present application, the processor 20 calculates the final output blood pressure value in a different manner when the sphygmomanometer is in the fall + rise combined blood pressure measurement mode. Specifically, the sphygmomanometer includes a plurality of blood pressure detection units 10; the processor 20 is used for calculating a weighted average value of a plurality of weighted average blood pressure values obtained by calculation according to the information detected by the plurality of blood pressure detection units 10; the blood pressure values are weighted averages.

Taking two blood pressure detecting units 10 as an example, referring to fig. 4, in the fall type + rise type combined blood pressure measuring mode of the sphygmomanometer, the dual air bag sphygmomanometer operates as follows:

the first detection unit 101 and the second detection unit 102 operate simultaneously. When the first air pump 121 inflates the first air bag 113, the processor 20 receives a first pressure signal sent by the first pressure sensor 131 of the first detection unit 101 and calculates a first blood pressure value according to the first pressure signal; similarly, when the second air pump 122 inflates the second air bag 114, the processor 20 receives the first pressure signal from the first pressure sensor 131 of the second detection unit 102 and calculates a first blood pressure value according to the first pressure signal;

after the first air bag 113 is inflated, the processor 20 firstly sends a deflation signal to the second deflation valve 142 of the first detection unit 101, and in the process of slowly deflating the second deflation valve 142, the processor 20 receives a second pressure signal transmitted by the second pressure sensor 132 of the first 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 sends a deflation signal to the first deflation valve 141 of the first detection unit 101, and the first deflation valve 141 quickly releases the gas in the first air bag 113. Similarly, after the inflation of the second air bag 114 is finished, the processor 20 firstly sends a deflation signal to the second deflation valve 142 of the second detection unit 102, and during the slow deflation process of the second deflation valve 142, the processor 20 receives a second pressure signal transmitted by the second pressure sensor 132 of the second detection unit 102 and 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 of the second detection unit 102, and the first deflation valve 141 quickly releases the gas in the second air bag 114.

When the processor 20 calculates the final output blood pressure value, first, a first weighted average value is calculated from the first blood pressure value and the second blood pressure value obtained by the first detecting unit 101, then, a second weighted average value is calculated from the first blood pressure value and the second blood pressure value obtained by the second detecting unit 102, finally, the first weighted average value and the second weighted average value are used for calculating a weighted average value, and the weighted average value is used as the final blood pressure value to be output as the descending type and ascending type compound blood pressure value of the user.

In some embodiments of the present application, referring to fig. 5, each blood pressure detecting unit 10 includes only one pressure sensor. Specifically, the air pressure detecting assembly 13 of each blood pressure detecting 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 passage pipeline 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 second air outlet end pressure information of the air bag 11, convert the second air outlet end pressure information of the air bag 11 into a second air outlet end pressure signal of the air bag 11, and transmit the second air outlet end pressure signal to the processor 20.

Referring to fig. 5, a blood pressure detecting unit 10 is taken as an example. Since the first pressure sensor 131 of the first sensing unit 101 is directly connected to the first airbag 113 and the processor 20 through the air passage tube 15, the sensing result of the first pressure sensor 131 is less affected by the flow of the gas in both the inflation mode and the deflation mode, and thus, the sensing accuracy can be improved.

Some embodiments of the present application also provide a sphygmomanometer, referring to fig. 6, including: a processor 20 and at least one blood pressure detection unit 10.

Further, the blood pressure detecting unit 10 includes: an airbag 11, an inflation component 12, a deflation valve 16 and an air pressure detection assembly 13; the inflation component 12 is connected to the air inlet end of the air bag 11, and the deflation valve 16 is connected to the first air outlet end of the air bag 11; the air pressure detecting assembly 13, the inflation component 12 and the deflation valve 16 are all connected with the processor 20.

The inflation component 12 is used for receiving the inflation signal sent by the processor 20 and inflating the airbag 11.

The air pressure detecting assembly 13 comprises at least two pressure sensors 133, wherein at least one pressure sensor 133 is connected to the air channel pipeline 15 between the air inlet end of the air bag 11 and the inflating part 12; the at least one pressure sensor 133 is configured to detect pressure information at the gas inlet end of the airbag 11, convert the pressure information at the gas inlet end of the airbag 11 into a pressure signal at the gas inlet end of the airbag 11, and transmit the pressure signal to the processor 20; at least one pressure sensor 133 is connected to the air passage pipeline 15 between the first air outlet end of the air bag 11 and the deflation valve 16; the at least one pressure sensor 133 is configured to detect pressure information at the first air outlet end of the air bag 11, convert the pressure information at the first air outlet end of the air bag 11 into a pressure signal at the first air outlet end of the air bag 11, and transmit the pressure signal to the processor 20.

The processor 20 is configured to receive the pressure signal and calculate a blood pressure value based on the pressure signal.

In the blood pressure monitor, the processor 20 receives the pressure signal and calculates the blood pressure value according to the pressure signal by any one of the calculation methods provided in the foregoing embodiments.

According to the sphygmomanometer, the measuring positions of the pressure sensors at different positions are selected according to different modes, so that the measuring accuracy of the blood pressure is improved.

Taking a blood pressure detecting unit 10 as an example, please refer to fig. 6, in the inflation stage of the sphygmomanometer, since at least one pressure sensor 133 is installed on the air path pipeline 15 between the first air outlet end of the air bag 11 and the air release valve 16, the influence of the inflation process on the detection accuracy of the pressure sensor 133 at the position is low, and the relative accuracy of the blood pressure value calculated by the measurement information of the pressure sensor 133 at the position is improved. In the deflation stage, since at least one pressure sensor 133 is installed on the air path pipeline 15 between the air inlet end of the air bag 11 and the inflation component 12, the deflation process has low influence on the detection accuracy of the pressure sensor 133 at the position, and the relative accuracy of the blood pressure value calculated by the measurement information of the pressure sensor 133 at the position is improved. The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A sphygmomanometer, comprising: a processor and at least one blood pressure detection unit;

the blood pressure detection unit includes:

the air bag, the inflation component, the air pressure detection assembly and the air discharge valve group;

the inflation component is connected to the air inlet end of the air bag, and the deflation valve group is connected to the first air outlet end of the air bag; the air pressure detection assembly is connected to the air bag; the air pressure detection assembly, the inflation component and the deflation valve group are all connected with the processor;

the air pressure detection assembly is used for detecting pressure information in the air bag, converting the pressure information into a pressure signal and transmitting the pressure signal to the processor;

the air release valve group comprises a first air release valve and a second air release valve, and the drift diameter of the first air release valve is larger than that of the second air release valve; the deflation valve group is used for receiving a deflation signal sent by the processor and deflating the air bag;

2. The sphygmomanometer according to claim 1,

the first air outlet end of the air bag is connected with a plurality of air path pipelines connected in parallel;

the first air release valve is arranged on at least one air path pipeline;

at least one gas circuit pipeline is provided with the second bleed valve, and the quantity of the second bleed valve that just sets up is at least one.

3. The sphygmomanometer of claim 2, wherein the first air outlet end of the air bag is connected with two air passage pipelines connected in parallel;

one of the gas path pipelines is provided with the first air release valve;

and the other gas path pipeline is provided with the second air release valve.

4. The sphygmomanometer according to claim 1,

the air pressure detection assembly comprises a first pressure sensor and a second pressure sensor;

the first pressure sensor is connected to an air path pipeline between a first air outlet end of the air bag and the air bleeding valve group; the first pressure sensor is used for detecting pressure information of a first air outlet end of the air bag, converting the pressure information of the first air outlet end of the air bag into a pressure signal of the first air outlet end of the air bag and transmitting the pressure signal to the processor;

the second pressure sensor is connected to an air path pipeline between the air inlet end of the air bag and the inflatable part; the second pressure sensor is used for detecting pressure information of the air inlet end of the air bag, converting the pressure information of the air inlet end of the air bag into a pressure signal of the air inlet end of the air bag and transmitting the pressure signal to the processor.

5. The sphygmomanometer according to claim 1,

the air pressure detection assembly comprises a first pressure sensor; the air bag is provided with a second air outlet end;

the first pressure sensor is connected to an air path pipeline between the second air outlet end of the air bag and the processor; the first pressure sensor is used for detecting pressure information of a second air outlet end of the air bag, converting the pressure information of the second air outlet end of the air bag into a pressure signal of the second air outlet end of the air bag and transmitting the pressure signal to the processor.

6. A sphygmomanometer according to claim 4,

the processor is used for receiving a first pressure signal sent by the first pressure sensor and calculating a first blood pressure value according to the first pressure signal when the inflating component inflates the air bag; after the inflation is finished, the processor is used for sending a deflation signal to the first deflation valve; or

7. A sphygmomanometer according to claim 4,

the processor is used for receiving a first pressure signal sent by the first pressure sensor and calculating a first blood pressure value according to the first pressure signal when the inflating component inflates the air bag; after the inflation is finished, the processor is used for sending a deflation signal to the first deflation valve;

the processor is used for calculating a weighted average value of the first blood pressure value and the second blood pressure value to obtain a weighted average blood pressure value;

the blood pressure value is the weighted average blood pressure value.

8. A sphygmomanometer according to claim 6,

the sphygmomanometer comprises a plurality of blood pressure detection units; each blood pressure detection unit calculates to obtain one first blood pressure value, and the processor is used for calculating a first weighted average value of the first blood pressure values; or

Each blood pressure detection unit calculates to obtain one second blood pressure value, and the processor is used for calculating a second weighted average value of the second blood pressure values;

the blood pressure value is the first weighted average or the second weighted average.

9. A sphygmomanometer according to claim 7,

the sphygmomanometer comprises a plurality of blood pressure detection units; the processor is used for calculating a weighted average value of a plurality of weighted average blood pressure values obtained by calculation according to the information detected by the plurality of blood pressure detection units;

the blood pressure value is the weighted average.

10. A sphygmomanometer according to claim 4,

the sphygmomanometer comprises a plurality of blood pressure detection units;

the processor is configured to perform a weighted average of the first weighted average blood pressure value and the second weighted average blood pressure value;

the blood pressure value is the weighted average.

11. A sphygmomanometer according to claim 6 or 7,

the sphygmomanometer comprises two blood pressure detection units.

12. A sphygmomanometer according to claim 6 or 7,

the blood pressure monitor comprises a mode selection key, the mode selection key is connected with the processor, and the processor is used for generating a blood pressure detection mode signal according to a blood pressure detection mode instruction selected by a user and sending the blood pressure detection mode signal to the blood pressure detection unit;

the blood pressure detection mode signal comprises: detecting a mode signal during inflation, detecting a mode signal during deflation or detecting a mode signal during inflation and deflation simultaneously.

13. A sphygmomanometer, characterized by comprising: a processor and at least one blood pressure detection unit;

the air pressure detection assembly comprises at least two pressure sensors, and at least one pressure sensor is connected to an air path pipeline between an air inlet end of the air bag and the inflation component; the pressure sensor is used for detecting pressure information of the air inlet end of the air bag, converting the pressure information of the air inlet end of the air bag into a pressure signal of the air inlet end of the air bag and transmitting the pressure signal to the processor; at least one pressure sensor is connected to an air path pipeline between the first air outlet end of the air bag and the air release valve; the pressure sensor is used for detecting pressure information of a first air outlet end of the air bag, converting the pressure information of the first air outlet end of the air bag into a pressure signal of the first air outlet end of the air bag and transmitting the pressure signal to the processor;