A detection method for calculating heart stroke volume based on pulse wave analysis

A detection method and technology of analysis method, applied in the field of biomedical information processing, can solve the problems of inapplicability to daily family monitoring, easy to cause complications, general accuracy, etc., to achieve the effect of continuous monitoring, simple and convenient operation, and easy to use.

Active Publication Date: 2019-05-31
春曦(上海)信息技术有限公司
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Problems solved by technology

Doppler echocardiography is the most common method for clinical noninvasive measurement of SV (or CO), but its accuracy is average, and more accurate methods, such as the thermodilution method (which has become the "gold standard" for CO monitoring) Invasive detection methods can easily cause complications, or cannot provide continuous monitoring, and are expensive, so they are not suitable for daily monitoring at home

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  • A detection method for calculating heart stroke volume based on pulse wave analysis
  • A detection method for calculating heart stroke volume based on pulse wave analysis
  • A detection method for calculating heart stroke volume based on pulse wave analysis

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Embodiment Construction

[0030] The above-mentioned features and advantages of the present invention can be better understood after reading the detailed description of the embodiments of the present disclosure in conjunction with the following drawings. In the drawings, components are not necessarily drawn to scale, and components with similar related properties or characteristics may have the same or similar reference numerals.

[0031] Before introducing the method of the present invention, the principle of the blood pressure measuring device used in the present invention will be described first. See figure 2 , The blood pressure measuring device includes an air pump, a solenoid valve, a cuff, an air bag inside the cuff, a pressure sensor, a main chip, and a data transmission module.

[0032] The main chip is connected to the air pump through a driver to control the linear pressurization of the air pump. The air pump is connected to the air bag in the cuff, and the cuff is inflated with the linear...

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Abstract

The invention discloses a detecting method for calculating SV (stroke volume) of the heart on the basis of a pulse wave analysis method. The method can be used for performing noninvasive and continuous measurement on SV of the heart, and accordingly, simple and reliable new evaluation indexes are provided for daily monitoring for family health. According to a technical scheme, an air pump is pressurized to drive air inflation of a cuff; vibration pressure wave of the cuff is detected; signals output after detection are subjected to lowpass filtering and operational amplifier processing; the signals subjected to lowpass filtering and operational amplifier processing are subjected to digital filtering in a chip; SV is calculated with the pulse wave analysis method on the basis of the pressure wave signals subjected to digital filtering.

Description

technical field [0001] The present invention relates to a system and method in the technical field of biomedical information processing, in particular to a method for calculating heart stroke volume by collecting, processing and analyzing wrist blood pressure wave oscillation signals. Background technique [0002] Stroke volume (SV) is an important indicator of cardiac function, and cardiac output (CO) can be directly measured on the premise that the heart rate is known. Doppler echocardiography is the most common method for clinical noninvasive measurement of SV (or CO), but its accuracy is average, and more accurate methods, such as the thermodilution method (which has become the "gold standard" for CO monitoring) The invasive detection method may easily cause the risk of complications, or cannot provide continuous monitoring, and is expensive, so it is not suitable for daily monitoring at home. [0003] Therefore, it is necessary to develop a new low-cost and easy-to-ope...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/029
Inventor 梁夫友吕品张纯刚于平
Owner 春曦(上海)信息技术有限公司
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