Identification method and prompting system for depth of vein blood vessel

A technology of venous vessels and recognition methods, applied in medical science, sensors, diagnostic recording/measurement, etc., to achieve the effect of improving the success rate of puncture

Active Publication Date: 2014-12-24
SHENZHEN VIVOLIGHT MEDICAL DEVICE & TECH CO LTD
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Problems solved by technology

[0005] In order to meet the above-mentioned needs of clinical application, while the existing vascular imaging instrument prompts the position of venous blood vessels, the present inv...

Method used

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  • Identification method and prompting system for depth of vein blood vessel
  • Identification method and prompting system for depth of vein blood vessel
  • Identification method and prompting system for depth of vein blood vessel

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Experimental program
Comparison scheme
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Embodiment

[0063] figure 1 It is a blood vessel depth recognition method according to a preferred embodiment of the present invention, including a machine learning-based regression model training process and a blood vessel depth prediction process.

[0064] The training process based on the machine learning regression model includes steps: constructing a training image set 101, extracting a region of interest 102, extracting features 103, constructing a training image depth label set 104, and training a random forest model 105. The specific steps of the machine learning-based regression model training process are as follows:

[0065] First construct the training image set and the training image depth marking set: 210 images of veins and blood vessels at different positions and depths in 30 volunteers were irradiated with near-infrared light, and the reflected images were received by a camera to form a training image set; correspondingly, through ultrasound The instrument measures the th...

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Abstract

The invention relates to an identification method and a prompting system for depth of a vein blood vessel. The identification method and the prompting system solve the problem that judgment of the depth of the blood vessel cannot be carried out in the prior art. The identification method and the prompting system have the advantages that a mapping relationship between the image mode and the depth of the blood vessel is established by a machine learning regression module in machine visual learning according to the image of the vein blood vessel, so the depth of the blood vessel is automatically identified on the basis of images; the information of the depth of the blood vessel is prompted by voice and projection, and a medical staff can position the blood vessel, and can also determine the depth of the blood vessel, so the needle entry angle is accurately controlled, the success rate of vein puncturing is improved, and the pain of a patient due to the vein puncturing is reduced.

Description

technical field [0001] The invention relates to an auxiliary medical device, in particular to a venous blood vessel depth recognition method and a prompting system. Background technique [0002] In clinical medicine, intravenous infusion is commonly used to deliver medicine to the human body. During intravenous infusion, medical personnel must perform venipuncture. The venipuncture process is generally as follows: firstly, the venous blood vessel is protruded by binding with a tourniquet, and then the medical staff judges the position of the blood vessel and the depth of the blood vessel under the skin by visual inspection and touch on the skin, and finally selects the appropriate needle insertion position and insertion position based on experience. needle angle. The above operations require high professional skills, work experience, and psychological quality of medical staff, especially when dealing with children, obesity, and patients with heavy skin. Since the position a...

Claims

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Application Information

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IPC IPC(8): A61B5/00
Inventor 曹一挥朱锐米磊
Owner SHENZHEN VIVOLIGHT MEDICAL DEVICE & TECH CO LTD
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