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Noninvasive continuous blood pressure measurement method, device and system based on heart sound signals

A blood pressure measurement device and blood pressure measurement technology, which can be used in cardiac catheterization, vascular assessment, medical science, etc., can solve problems such as large deviations in diastolic blood pressure measurement, and achieve the effect of simplifying operations and saving costs

Active Publication Date: 2015-12-02
SHENZHEN INST OF ADVANCED TECH
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Problems solved by technology

[0008] The pulse transit time method overcomes the shortcomings of the above two, but it is only good for measuring systolic blood pressure, and the measurement deviation for diastolic blood pressure is relatively large

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  • Noninvasive continuous blood pressure measurement method, device and system based on heart sound signals
  • Noninvasive continuous blood pressure measurement method, device and system based on heart sound signals
  • Noninvasive continuous blood pressure measurement method, device and system based on heart sound signals

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Embodiment Construction

[0056] In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the implementation of the present invention. example, not all examples. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.

[0057] figure 1 It is a method flow chart of the non-invasive continuous blood pressure measurement method based on the heart sound signal provided by the present invention. refer to figure 1 As shown, the non-invasive continuous blood pressure measurement method based on the heart sound signal includes:

[0058] S101. Obtain the heart sound signal of the subject. ...

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Abstract

The invention discloses a noninvasive continuous blood pressure measurement method, device and system based on heart sound signals. The method includes the steps that the heart sound signals of a measured person are acquired; feature points of the heart sound signals are extracted; heart sound feature vectors are extracted according to the feature points; a blood pressure regression model corresponding to the measured person is called from a blood pressure regression model base, and the heart sound feature vectors are input into the blood pressure regression model to estimate blood pressure. Only one path of physiological signals needs to be collected, so that the cost is lowered, operation is simplified, and greater convenience and comfort are brought to a user. Besides, the method, device and system are simple, convenient to operate, suitable for portable or wearable medical equipment and also suitable for measurement outside hospitals and long-term continuous blood pressure measurement, and have the same measurement precision for systolic pressure, diastolic pressure and mean pressure.

Description

technical field [0001] The invention relates to the technical field of blood pressure measurement, in particular to a non-invasive continuous blood pressure measurement method, device and system based on heart sound signals. Background technique [0002] Blood pressure is one of the important vital signs. The measurement of blood pressure is not only an important basis for clinical diagnosis and treatment of cardiovascular diseases, but also an important means of early prevention and early detection of cardiovascular diseases in daily life. The measurement methods of blood pressure can be divided into invasive measurement and non-invasive measurement, intermittent measurement and continuous measurement. The efficacy of hypertension drugs and other aspects are of great significance. [0003] At present, the commonly used non-invasive continuous blood pressure measurement methods include arterial tension method, volume clamp method and pulse transit time method. [0004] Th...

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Application Information

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IPC IPC(8): A61B5/021A61B7/04
CPCA61B7/00
Inventor 彭荣超严文荣周小林
Owner SHENZHEN INST OF ADVANCED TECH
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