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Recursive method, system and storage medium for blood oxygen saturation measurement confidence

A saturation and confidence technology, applied in the field of biomedical signal processing, can solve the problems of distortion, false detection and missed detection of measurement results, and achieve the effect of improving reliability and avoiding missed detection and false detection.

Active Publication Date: 2021-03-02
SHENZHEN TECH UNIV
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Problems solved by technology

The above factors will cause distortion of the measurement results, leading to missed and false detections

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  • Recursive method, system and storage medium for blood oxygen saturation measurement confidence

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Embodiment Construction

[0055] The present invention will be further explained and described below in conjunction with the accompanying drawings and specific embodiments of the description. For the step numbers in the embodiment of the present invention, it is only set for the convenience of explanation and description, and there is no limitation on the order of the steps. The execution order of each step in the embodiment can be carried out according to the understanding of those skilled in the art Adaptive adjustment.

[0056] refer to figure 1 , an embodiment of the present invention provides a recursive method for measuring confidence in blood oxygen saturation, including the following steps:

[0057] S1. Initialize and configure the number of data points;

[0058] In this embodiment, the number n of data points is initially configured as n=2;

[0059] S2. Construct a linear regression model according to the initialization configuration result;

[0060] Further as a preferred implementation o...

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Abstract

Disclosed are a recursion method and system for a confidence degree of blood oxygen saturation measurement, and a storage medium. The method comprises: carrying out initialization configuration on the number of data points (S1); constructing a linear regression model according to an initialization configuration result (S2); acquiring a confidence degree of a blood oxygen saturation measurement result according to the linear regression model (S3); determining whether the confidence degree of the blood oxygen saturation measurement result meets a threshold value requirement, if so, outputting the confidence degree of the blood oxygen saturation measurement result, otherwise, executing the next step until the confidence degree of the blood oxygen saturation measurement result meets the threshold value requirement (S4); updating the number of data points (S5); and updating the linear regression model by means of a recursive algorithm according to an updating result of the data points, and returning to execute the step of acquiring the confidence degree of the blood oxygen saturation measurement result according to the linear regression model (S6). The recursion method for the confidence degree of a blood oxygen saturation measurement improves the reliability of the blood oxygen saturation measurement result, is more scientific and can be widely applied to the technical field of biomedical signal processing.

Description

technical field [0001] The invention relates to the technical field of biomedical signal processing, in particular to a recursive method, system and storage medium for measuring confidence in blood oxygen saturation. Background technique [0002] The diastole and contraction of the heart drive blood to flow through the lungs, so that oxygen is combined with reduced hemoglobin (Hb) to form oxyhemoglobin (Oxyhemoglobin, HbO2), and oxygen is transported to the capillaries through the blood and released. Sufficient oxygen is the material basis for realizing the metabolism of human tissue cells and maintaining life activities. Blood oxygen saturation is an important physiological parameter reflecting the oxygen content in the blood, which is directly related to the respiratory system, circulatory system and cardiopulmonary function. At present, blood oxygen saturation is widely used in intensive care, home health care and high-risk occupations such as firefighters, pilots, etc. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/00A61B5/1455
CPCA61B5/14551A61B5/7221
Inventor 林霖王涛
Owner SHENZHEN TECH UNIV
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