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Electronic blood pressure meter

An electronic sphygmomanometer, power supply voltage technology, applied in the direction of blood vessel evaluation, cardiac catheterization, etc., can solve the problem of misjudgment of cuff installation state and other problems, and achieve the effect of correct installation state

Active Publication Date: 2009-11-11
CITIZEN WATCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In any case, in either case, there is a problem of misjudgment of the cuff attachment state

Method used

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Examples

Experimental program
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Effect test

Embodiment approach 1

[0031] figure 1 It is a block diagram showing the overall configuration of the electronic sphygmomanometer according to Embodiment 1 of the present invention. Such as figure 1 As shown, the electronic sphygmomanometer has a cuff 1 , a pressure detection unit 2 , a pressurization unit 3 , a decompression unit 4 , a display unit 5 , an operation unit 6 , and a microcomputer (hereinafter referred to as a microcomputer) 7 . The cuff 1 , the pressure detection unit 2 , the pressurization unit 3 , and the decompression unit 4 are connected by a hose 8 .

[0032] Driving voltages for the pressurization unit 3 and the decompression unit 4 are supplied from a power supply 9 . The power source 9 is constituted by a battery. Here, for example, assume a case where four dry batteries having a nominal voltage (nominal voltage) of 1.5 volts are connected in series. Furthermore, the electronic sphygmomanometer incorporates a regulator 10 for stepping down the power supply voltage of the...

Embodiment approach 2

[0061] The electronic sphygmomanometer of Embodiment 1 is an electronic sphygmomanometer that measures blood pressure while the cuff 1 is being decompressed at a slight speed, but the electronic sphygmomanometer of Embodiment 2 is an electronic sphygmomanometer that measures blood pressure while the cuff 1 is being pressurized. Therefore, the configuration of the electronic sphygmomanometer of Embodiment 2 differs from the configuration of the electronic sphygmomanometer of Embodiment 1 in the following points. In addition, the same reference numerals are assigned to the same configurations as in Embodiment 1, and overlapping descriptions are omitted.

[0062] Figure 8 It is a block diagram showing the overall configuration of the electronic sphygmomanometer according to Embodiment 2 of the present invention. Such as Figure 8 As shown, in the electronic sphygmomanometer of the second embodiment, the rapid exhaust unit 41 is provided as a decompression unit instead of the d...

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Abstract

A blood pressure meter having determination means (12) for determining whether or not the pressure of a cuff at the time point when a predetermined time is elapsed after the start of pressurizing of the cuff exceeds a standard value determined based on a power source voltage. If not exceeding, blood pressure measurement is discontinued, assuming that the cuff is not yet installed or is loosely wrapped. The determination means (12) has standard value calculation means (21), standard value storage means (22), and comparison means (23). The standard value calculation means (21) obtains a standard value by referring to a standard value setting table and based on a power source voltage value measure by power source voltage value measurement means. The standard value storage means (22) stores the standard value obtained by the standard value calculation means (21). The comparison means (23) compares between the standard value stored in the standard value storage means (22) and the pressure of the cuff detected by pressure detection means.

Description

technical field [0001] The present invention relates to an electronic sphygmomanometer, and more particularly to an electronic sphygmomanometer having a function of suspending blood pressure measurement when a cuff is not fitted properly. Background technique [0002] Generally, an electronic sphygmomanometer is configured to detect the pressure of the cuff during pressurization of the cuff attached to a part of the living body such as the upper arm, finger, or wrist, or during decompression of the cuff once pressurized. The blood pressure is measured by fluctuations in pressure (hereinafter referred to as cuff pressure). In order to accurately measure blood pressure, it is necessary to fasten a cuff to an appropriate degree on the upper arm or the like. If the cuff is loosely fastened, the compression efficiency of the artery decreases, so the accuracy of the measured value decreases. [0003] In order to avoid various problems caused when the cuff is not properly fastene...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/022A61B5/0225
CPCA61B5/02141A61B5/022
Inventor 伊藤清
Owner CITIZEN WATCH CO LTD
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