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Arm Mounted Blood Pressure Monitor

A sphygmomanometer and arm technology, applied in the field of sphygmomanometers, can solve problems such as inability to measure blood pressure, and achieve the effect of high-precision blood pressure measurement

Active Publication Date: 2015-09-09
CITIZEN WATCH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The reason is that if the site where the blood pressure is measured is not in the appropriate position, the state of the blood vessel at the site to be measured will change, and the correct blood pressure cannot be measured.

Method used

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  • Arm Mounted Blood Pressure Monitor
  • Arm Mounted Blood Pressure Monitor
  • Arm Mounted Blood Pressure Monitor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0058] The arm-mounted blood pressure monitor uses a microwave Doppler sensor to irradiate microwaves to the body of the subject to be measured and receive the reflected waves to detect the appropriate position of the arm where the cuff is attached (measured part) in blood pressure measurement. Thereby, even in the state of wearing clothes, it is possible to know the proper position for blood pressure measurement, and to perform accurate blood pressure measurement. The proper position refers to a position where the sphygmomanometer and the heart are at the same height, that is, a position where the body's blood pressure measurement site and the heart are at the same height.

[0059] Furthermore, the pulse and respiration of the subject can also be measured based on the reflected wave of the microwave. Thereby, not only the blood pressure measurement but also the physical rest state or the mental stable state of the subject before the blood pressure measurement can be estimated...

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PUM

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Abstract

A method employed in a prior art arm-worn blood pressure monitor to measure the height position of the heart has been an indirect method that merely estimates the position of the heart, and therefore has had the problems that the measurement accuracy and the reliability of the measurement are low, and that the measuring position is awkward and it is difficult to achieve correct position alignment. An arm-worn blood pressure monitor includes a cuff, a microwave transmitting unit for radiating a microwave onto a human subject, a microwave receiving unit for receiving a reflected wave Doppler-shifted relative to the radiated microwave due to a heartbeat of the subject, and a correct position detector for detecting, based on the reflected wave, whether the cuff worn around an arm of the subject is located in a correct position relative to the position of the heart of the subject.

Description

technical field [0001] The present invention relates to a sphygmomanometer using an arm as a measurement site, and more particularly to a sphygmomanometer capable of aligning the height position of the measurement site and the heart at an appropriate position at the time of blood pressure measurement. Background technique [0002] Conventionally, blood pressure measurement at home has been used as a part of daily physical condition management, and it is only necessary to manage the degree of the measurement results without requiring strict measurement results. [0003] However, in recent years, the importance of daily physical condition management has been emphasized, and in a recent report, it is preferable to measure blood pressure multiple times under free movement for 24 hours. If blood pressure values ​​are measured multiple times in 24 hours, it is possible to obtain fluctuations in blood pressure values ​​measured at arbitrary timings that cannot be obtained by normal...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/022
CPCA61B5/0507A61B5/02438A61B5/022A61B5/1107A61B5/6824A61B5/021
Inventor 清水秀树加藤雄一
Owner CITIZEN WATCH CO LTD