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Blood pressure measurement device, electronic device, and blood pressure measurement method

A blood pressure measurement device, technology of electronic equipment, applied in the direction of cardiac catheterization, etc.

Inactive Publication Date: 2016-06-29
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The devices disclosed in the aforementioned Patent Documents 1 and 2 do not use a cuff and are technical methods for obtaining blood pressure with high precision, but require an ultrasonic sensor for measuring blood flow velocity and an optical sensor for measuring volumetric pulse waves. The two sensors

Method used

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  • Blood pressure measurement device, electronic device, and blood pressure measurement method
  • Blood pressure measurement device, electronic device, and blood pressure measurement method
  • Blood pressure measurement device, electronic device, and blood pressure measurement method

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Embodiment Construction

[0033] figure 1 It is an external view showing an example of the overall configuration of the blood pressure measurement device 10 in this embodiment. The blood pressure measurement device 10 is an electronic device that non-invasively measures the blood pressure of the subject 2 using light. Such as figure 1 As shown, the blood pressure measuring device 10 is a wristwatch type, and includes a main body housing 12, and a strap part having a hook and loop buckle for mounting and fixing the main body housing 12 on the wrist or arm of the subject 2 for measurement. The fixing belt 14 is constituted.

[0034] A touch panel 16, operation switches 18, and a speaker 20 are provided on the surface of the main body casing 12 (the surface facing outward when the subject 2 is installed). The subject 2 uses the touch panel 16 and the operation switch 18 to input a measurement start instruction, outputs voice guidance related to the measurement from the speaker 20, and displays the measureme...

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Abstract

The invention relates to a blood pressure measurement device an electronic device and a blood pressure measurement method. The blood pressure measurement device includes: a light emitting unit configured to irradiate a living body with measurement light; a light receiving unit configured to receive reflected or transmitted light of the measurement light; and a computational unit configured to calculate a blood flow and a volume pulse wave based on a light-receiving result from the light receiving unit, and to calculate blood pressure based on the blood flow and blood vessel resistance that is obtained from the volume pulse wave.

Description

[0001] This application claims the priority of Japanese Patent Application No. 2014-254708 filed on December 17, 2014, and uses the entire content here. Technical field [0002] The present invention relates to a blood pressure measuring device and the like that use light to measure blood pressure. Background technique [0003] Nowadays, instead of a compression type using a cuff that is generally widespread, development of a blood pressure measurement device using ultrasound and light is progressing as a new method (for example, refer to Patent Documents 1 and 2). [0004] Patent Document 1: Japanese Patent Application Publication No. 2004-201868 [0005] Patent Document 2: Japanese Patent Application Publication No. 2004-154231 [0006] The above-mentioned devices disclosed in Patent Documents 1 and 2 do not use a cuff and are a technical method for obtaining blood pressure with high accuracy. However, an ultrasonic sensor for measuring blood flow velocity and an optical sensor for m...

Claims

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Application Information

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IPC IPC(8): A61B5/0225
Inventor 西田和弘宇都宫纯夫
Owner SEIKO EPSON CORP
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