Real-time monitoring method and system for blood perfusion of skin at different depths

A real-time monitoring and skin technology, applied in blood flow measurement, diagnostic recording/measurement, medical science, etc., can solve the problems of inability to monitor blood flow perfusion and obtain skin blood perfusion in real time, so as to improve the scope of application and expand Scope of application, effect of real-time collection

Active Publication Date: 2021-03-26
XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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Problems solved by technology

[0003] In order to solve the problem that the existing methods in the background technology cannot obtain the blood perfusion of different depths of the skin in real time, so that it cannot more accurately reflect the blood perfusion characteristics of different layers in the direction of skin depth, and cannot monitor the blood perfusion in real time Problem, the present invention provides a method and system for real-time monitoring of blood perfusion at different depths of the skin

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  • Real-time monitoring method and system for blood perfusion of skin at different depths
  • Real-time monitoring method and system for blood perfusion of skin at different depths
  • Real-time monitoring method and system for blood perfusion of skin at different depths

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[0044] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are part of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0045] In the description of the present invention, it should be noted that the terms "first" and "second" are used for description purposes only, and should not be understood as indicating or implying relative importance.

[0046] In the description of the present invention, it should also be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be interpreted in a broad sense, for example, it can be a fixed connection or a flexible connection. D...

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Abstract

The invention discloses a real-time monitoring method and system for blood perfusion at different depths of the skin. The method mainly comprises the following steps of 1, splitting reflected light ofa to-be-monitored skin area; 2, collecting image information of the reflected light, and calculating a blood volume signal of each pixel point in a to-be-monitored skin area image along with time change; 3, collecting image information of each spectral section of transmission light, and calculating a spectral pulse wave signal under each spectral section in the to-be-monitored skin area image; and 4, performing cross-correlation operation on the pulse wave signal of each spectral section and the corresponding blood volume signal to obtain blood perfusion images of the to-be-monitored skin area at different depths. According to the invention, monitoring of blood perfusion at different depths of skin tissues is realized, and the application range of blood perfusion monitoring based on an imaging method is greatly expanded.

Description

technical field [0001] The invention relates to a skin blood perfusion monitoring technology, in particular to a real-time monitoring method and system for skin blood perfusion at different depths. Background technique [0002] Skin blood perfusion reflects the amount of blood flowing through the skin per unit time. It is an important indicator to measure the process of skin tissue healing, microcirculation, metabolism, etc. It has important application value in the fields of health monitoring, mental state assessment, and surgical care. . At present, related methods and technologies that are widely used in skin blood perfusion monitoring in practical applications include laser speckle contrast imaging and laser Doppler imaging. But their common disadvantage is that the equipment is complicated and expensive. At the same time, there are still some low-cost imaging methods in the market that can realize non-contact and portable monitoring of skin blood perfusion, but these ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/00A61B5/026
CPCA61B5/0064A61B5/0075A61B5/0077A61B5/0261A61B5/441A61B5/4866
Inventor 周亮刘朝晖孙笑敩李治国刘凯单秋莎
Owner XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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