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Blood pressure measurement device and blood pressure measurement device control method

A measuring device and blood pressure technology, which is applied in blood vessel assessment, pressure sensor, diagnostic recording/measurement, etc., can solve the problems of reduced blood pressure measurement times, increased power consumption of piezoelectric pumps, etc., and achieves the effect of reducing power consumption

Active Publication Date: 2014-08-27
OMRON HEALTHCARE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in driving such a high-voltage pump, the power consumption of the piezoelectric pump increases, which reduces the number of times blood pressure can be measured without battery replacement.

Method used

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  • Blood pressure measurement device and blood pressure measurement device control method
  • Blood pressure measurement device and blood pressure measurement device control method
  • Blood pressure measurement device and blood pressure measurement device control method

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Embodiment Construction

[0037] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In addition, the same or equivalent parts in the drawings are denoted with the same reference numerals, and the description is not repeated.

[0038] In this embodiment, the drive control of the piezoelectric pump when the pressure measurement is performed in the pressure measurement type sphygmomanometer of the oscillometric measurement method will be described with respect to the embodiment of the present invention. However, it is not limited to this. As long as there is a sphygmomanometer that uses a piezoelectric pump to pressurize, the present invention can also be applied to other types of sphygmomanometers. For example, it can also be applied to a decompression measurement type sphygmomanometer. .

[0039] First, the structure of the sphygmomanometer 1 of this embodiment will be described. figure 1 It is a perspective view showing the appearance of the sphygm...

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Abstract

A blood pressure measurement device determines an amplitude and a frequency of a voltage applied to a piezoelectric pump, carries out control so that a voltage at the determined amplitude and frequency is applied to the piezoelectric pump, and calculates a blood pressure value based on a detected cuff pressure during inflation when the cuff pressure is increased by the piezoelectric pump. A control frequency at which a pump efficiency of the piezoelectric pump is maximum in the case where the fluid is supplied to the cuff at a required flow rate during inflation using a predetermined voltage as the voltage is determined, and first control that applies a voltage at the amplitude of the predetermined voltage and at the determined control frequency is carried out. The amount of power consumed can be reduced when increasing the cuff pressure for blood pressure measurement using the piezoelectric pump.

Description

Technical field [0001] The present invention relates to a blood pressure measurement device and a control method of the blood pressure measurement device, and particularly relates to a blood pressure measurement device and a control method of the blood pressure measurement device suitable for measuring blood pressure during the process of pressurizing a cuff. Background technique [0002] Currently, as a general electronic sphygmomanometer, an electronic sphygmomanometer using the oscillometric method is used. In an electronic sphygmomanometer using the oscillometric method, a wristband with a built-in air bag is evenly wound around a part of the living body, and the air bag is pressurized and decompressed with air to capture the air bag pressure (cuff The change in the amplitude of the pressure fluctuation is used as the change in the volume of the compressed arterial vessel, and the blood pressure is calculated from this. In order to measure blood pressure with high accuracy w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/0225A61B5/022
CPCA61B2562/0247A61B5/02233A61B5/6831A61B5/0225
Inventor 山下祐辉小林达矢
Owner OMRON HEALTHCARE CO LTD
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