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Blood pressure measurement apparatus and blood pressure measurement method

A blood pressure measurement device and blood pressure measurement technology, which are applied in the field of blood pressure devices, can solve problems such as difficulties in measuring blood vessel diameters, and achieve the effect of improving measurement accuracy

Active Publication Date: 2013-06-19
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the measurement method of blood vessel diameter to achieve this accuracy is actually considered difficult

Method used

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  • Blood pressure measurement apparatus and blood pressure measurement method
  • Blood pressure measurement apparatus and blood pressure measurement method
  • Blood pressure measurement apparatus and blood pressure measurement method

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Embodiment Construction

[0032] As an embodiment to which the present invention is applied, an embodiment of a blood pressure measurement device that measures a subject's blood pressure using the subject's wrist as the measurement target site and the measurement target artery as the radial artery will be described. However, the form to which the present invention can be applied is of course not limited to the embodiments described below.

[0033] 1. General structure

[0034] figure 1 (1) is a configuration diagram of the blood pressure measurement system of the present embodiment. This blood pressure measurement system is configured to include an ultrasonic sphygmomanometer 1 and a cuff-type sphygmomanometer 3. The ultrasonic sphygmomanometer 1 is configured to be used by the subject wearing it on the wrist, and the cuff-type sphygmomanometer 3 is wrapped around the upper arm of the subject. department to use.

[0035] In the cuff-type sphygmomanometer 3 , a cuff for sensing blood pressure is wra...

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Abstract

In an ultrasound blood pressure monitor (1), a blood pressure diameter measurement section (110) measures blood pressure diameter of a radial artery which is a measurement target based on reception results of ultrasound from an ultrasound sensor (21). In addition, a pressurizing section (30) adds a pressure from a body surface so that the radial artery is pressed. Then, a correlation formula (823), which expresses a relationship between blood vessel diameter and blood pressure of the radial artery under pressurization by the pressurizing section (30), is found and stored in a storage section (800). Then, a blood pressure calculation section (160) calculates blood pressure using the blood vessel diameter which is measured under pressurization and storage data in the storage section (800) by controlling the pressurization operation of the pressurizing section (30).

Description

technical field [0001] The present invention relates to devices and the like for measuring blood pressure of a subject. Background technique [0002] Conventionally, devices that measure blood flow, blood vessel diameter, and blood pressure using ultrasound or the like, and devices that measure the modulus of elasticity of blood vessels have been proposed. These devices are characterized in that they can perform measurements in a manner that does not cause pain or discomfort to the subject. [0003] For example, Patent Document 1 discloses a method of calculating blood pressure from a blood vessel elasticity index called a stiffness parameter and a blood vessel diameter assuming a nonlinear relationship between blood pressure changes and blood vessel diameter changes. [0004] Patent Document 1: Japanese Patent Laid-Open No. 2004-41382 [0005] The technology disclosed in Patent Document 1 is a technology for calculating blood pressure based on correlation characteristics ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/022
CPCA61B8/04A61B8/0891A61B8/5223G16H50/30A61B5/022A61B5/1075A61B5/7225
Inventor 水上博光
Owner SEIKO EPSON CORP
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