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Method and device for measuring blood pressure

A blood pressure measurement device and pulse signal technology, applied in vascular assessment, cardiac catheterization, etc., can solve the problems of pulse envelope calculation error, blood pressure calculation error, pulse signal recognition error-prone, etc., to achieve accurate identification and improve accuracy

Active Publication Date: 2019-06-14
GUANGZHOU SHIYUAN ELECTRONICS CO LTD
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Problems solved by technology

When the pulse signal is disturbed, it is easy to make mistakes in the direct identification of the pulse signal, resulting in the wrong calculation of the pulse envelope, which in turn leads to the wrong calculation of the blood pressure

Method used

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  • Method and device for measuring blood pressure
  • Method and device for measuring blood pressure
  • Method and device for measuring blood pressure

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Embodiment Construction

[0051] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0052] see figure 1 , a schematic flow chart of an embodiment of the blood pressure measurement method provided by the present invention, including:

[0053] S1. Detecting the pulse signal of the user;

[0054] S2. Decompose the pulse signal into N decomposed signals within a preset frequency range; wherein, N≥1;

[0055] S3. Calculate the difference sequence mean value of the pulse maximum value sequence in each decomposition signal, and use the decomposition si...

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Abstract

A method for measuring blood pressure, comprising: detecting a user's pulse signal (S1); decomposing the pulse signal into N decomposed signals within a preset frequency range, where N≥1 (S2); calculating the differential sequence mean of pulse maximum sequences in each decomposed signal, and using the decomposed signal with the smallest differential sequence mean as a valid pulse signal (S3); and calculating the user's blood pressure according to the valid pulse signal (S4). Accordingly, further disclosed is an apparatus for measuring blood pressure. The method for measuring blood pressure can improve the accuracy of blood pressure measurement.

Description

technical field [0001] The invention relates to the technical field of signal detection and processing, in particular to a method and device for measuring blood pressure. Background technique [0002] Blood pressure (BP) is the pressure exerted on the wall of the blood vessel when the blood flows in the blood vessel, and it is the power to push the blood to flow in the blood vessel. When the ventricle contracts, blood flows from the ventricle into the artery. At this time, the pressure of the blood on the artery is the highest, which is called systolic blood pressure (SBP). Ventricular diastole, arterial blood vessels elastically retract, blood continues to flow forward slowly, but blood pressure drops, and the pressure at this time is called diastolic blood pressure (DBP). Since blood vessels are divided into arteries, capillaries, and veins, there are also arterial blood pressure, capillary blood pressure, and venous blood pressure. Generally speaking, blood pressure ref...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/022
CPCA61B5/022
Inventor 郑晓波
Owner GUANGZHOU SHIYUAN ELECTRONICS CO LTD
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