blood pressure measuring device
A blood pressure measurement device and blood pressure measurement technology, applied in blood pressure measurement devices, blood vessel assessment, health index calculation, etc., can solve problems such as expensive, difficult to measure blood pressure, unsuitable for measuring blood pressure in the center, and achieve correct estimation and correct blood pressure Effect
Active Publication Date: 2017-04-12
SEIKO EPSON CORP
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Problems solved by technology
However, these central sphygmomanometers are large-sized fixed and expensive, so they are not suitable for the purpose of measuring the central blood pressure for a long time while being carried by the subject, and are not suitable for the purpose of measuring the central blood pressure at any time.
[0007] The characteristic blood pressure includes central blood pressure as an example, but in addition to central blood pressure, there are also blood pressures that are difficult to measure depending on the type of artery
For such an artery, it is not easy to perform correction of the parameters required for estimating the blood pressure, so it may happen that the blood pressure cannot be estimated
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[0029] Hereinafter, an example of a preferred embodiment to which the present invention is applied will be described with reference to the drawings. In this embodiment, the first artery is defined as a central artery, and the second artery is defined as a peripheral artery, and an embodiment in which parameters of a blood pressure estimation process for estimating blood pressure at the head of the central artery is corrected will be described. In this embodiment, the blood vessel diameter is described as the blood vessel cross-sectional index value, but the blood vessel cross-sectional area may be used instead of the blood vessel diameter (in this case, just replace the "vessel diameter" in the following article with the "vessel cross-sectional area" to read it). The form in which the present invention can be applied is obviously not limited to the embodiments described below.
[0030] 1. Principle
[0031] In the present embodiment, parameters of blood pressure estimation p...
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The present invention provides a blood pressure estimation parameter correction method and a blood pressure measurement device. Combined peripheral blood pressure measurement by combining blood vessel diameter measurement, which is a blood vessel cross-section index value of the central artery, the first artery, and peripheral blood pressure measurement, which measures blood pressure in peripheral arteries, the second artery, as a combination measurement of different arterial blood pressures . Then, using the measurement result of the peripheral blood pressure combined measurement, the parameters of the blood pressure estimation process (for example, the blood vessel hardness parameter or related parameters) for estimating the central blood pressure from the blood vessel diameter of the central artery are corrected.
Description
technical field [0001] The present invention relates to methods and the like for correcting parameters for blood pressure estimation. Background technique [0002] Conventionally, devices have been devised that use ultrasonic waves to measure blood flow, blood vessel diameter, and blood pressure, or that measure the modulus of elasticity of blood vessels. These devices are characterized in that they can perform non-invasive measurements that do not cause pain or discomfort to the subject. [0003] For example, Patent Document 1 discloses a method of capturing the nonlinear relationship between changes in blood vessel diameter or blood vessel cross-sectional area and changes in blood pressure, and estimating blood pressure from a hardness parameter representing blood vessel hardness and the blood vessel diameter or blood vessel cross-sectional area . [0004] Patent Document 1: Japanese Patent Laid-Open No. 2004-41382 [0005] In addition, the central blood pressure known ...
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IPC IPC(8): A61B8/04A61B5/022
CPCA61B8/0891A61B8/5292A61B5/021A61B8/5223A61B8/04G16H50/30
Inventor 水上博光
Owner SEIKO EPSON CORP