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Blood pressure determining apparatus

A blood pressure measurement device and blood pressure technology, applied in blood vessel assessment, pressure sensor, medical science, etc., can solve problems such as inability to measure arm average blood pressure and inaccurate cervical systolic blood pressure CBP

Inactive Publication Date: 2004-01-28
OMRON HEALTHCARE CO LTD
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Problems solved by technology

[0008] However, in every blood pressure measurement operation using a cuff, accurate diastolic arm pressure BBP (DIA) can be measured, but accurate mean arm blood pressure BBP (MEAN) cannot be measured
Therefore, if the mean neck blood pressure CBP(MEAN) is replaced by the mean arm blood pressure BBP(MEAN) measured using the cuff, the resulting mean neck blood pressure CBP(MEAN) and the mean neck blood pressure CBP(MEAN) The cervical systolic blood pressure (CBP(SYS)) calculated on the basis may not be accurate enough

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Embodiment Construction

[0038] The above-mentioned first part of a living body is, for example, an arm, a leg or an ankle; and the second part of a living body is, for example, a neck, an arm, a wrist, a leg or an ankle. The first part and the second part may be combined in any manner as long as they are different from each other; such as a combination of the arm as the first part and the neck as the second part.

[0039] Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. figure 2 is a diagrammatic view showing the circuitry of the neck blood pressure determining device 10 to which the present invention is applied. The neck blood pressure determining device 10 can also be used as an arm blood pressure determining device. The present device 10 is suitable for use by a living being in a face-up posture.

[0040] exist figure 2 In, reference numeral 12 represents an inflatable cuff, and the cuff 12 includes a belt-type cloth ba...

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Abstract

A blood-pressure estimating apparatus (10), comprising a pulse-wave detecting device (12, 16, 18, 24, 28, 90) which detects a pulse wave from a portion of a living subject; a blood-pressure measuring device (12, 18, 16, 24, 26, 28, 90, 92) which includes an inflatable cuff (12) adapted to be worn on the portion of the subject and measures, with the cuff, a diastolic blood pressure and a systolic blood pressure of the portion of the subject; and a mean-blood-pressure estimating means (94, 96) for converting, based on a minimum magnitude and a maximum magnitude of the pulse wave detected by the pulse-wave detecting device and the diastolic and systolic blood pressure measured by the blood-pressure measuring device, a magnitude of a gravity center of an area defined by the pulse wave into an estimated mean blood pressure of the portion of the subject.

Description

technical field [0001] The present invention relates to a blood pressure determining device for determining the blood pressure of a part of a living body; the part is, for example, an arm or a neck of a living body. Background technique [0002] When examining a disease in a central artery of a living body such as a coronary artery or an ascending aorta, it is necessary to measure the blood pressure of the central part of the living body. However, measuring blood pressure in a more central location is not as easy as measuring blood pressure in the arm. For example, accurate measurement of blood pressure in the neck (ie, carotid blood pressure) is difficult even with invasive methods. Therefore, even when examining a disease in a central artery such as a coronary artery or an ascending aorta, the blood pressure of the arm is actually measured. [0003] At the same time, we know that when the blood pressure values ​​of a living body in a face-up posture are measured, the dia...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/022A61B5/021A61B5/0245
CPCA61B2562/0247A61B2562/043A61B5/02116A61B5/021A61B5/02
Inventor 成松清幸反保明小椋敏彦
Owner OMRON HEALTHCARE CO LTD
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