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Method for improving imaging resolution of electrical impedance tomography

A technology of electrical impedance tomography and resolution, applied in diagnosis, diagnostic recording/measurement, medical science, etc., can solve problems such as inability to achieve therapeutic effects, and achieve the effect of improving resolution

Active Publication Date: 2013-07-03
SPRING FOUND OF NCTU
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  • Abstract
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  • Claims
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Problems solved by technology

[0008] In view of the above-mentioned shortcomings of the prior art, one of the main purposes of the present invention is to provide a method that can quickly and effectively obtain better resolution, so as to increase the accuracy of follow-up diagnosis and treatment and surgery, and overcome the inability to quickly obtain resolution due to electrical impedance tomography. The lack of expected therapeutic effect caused by images with better resolution

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  • Method for improving imaging resolution of electrical impedance tomography
  • Method for improving imaging resolution of electrical impedance tomography
  • Method for improving imaging resolution of electrical impedance tomography

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Embodiment Construction

[0042] The following describes the technical content of the present invention with specific specific embodiments, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied by other different specific embodiments, and various details in this specification can also be based on different viewpoints and applications, and various modifications and changes can be made without departing from the spirit of the present invention.

[0043] The method for improving the image resolution of electrical impedance tomography proposed in the present invention is applied to a plurality of signal electrodes on the periphery or inside of the tissue structure. The first embodiment can be referred to Figure 2A The step-by-step flowchart and Figure 5A to Figure 5C The floor plan.

[0044] As shown in the figure, in step S21a, at least two of the signal...

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Abstract

The present disclosure provides a method for improving imaging resolution of electrical impedance tomography (EIT). More specifically, the present disclosure forms virtual electrode(s) using an electric current steering technique, which is used to improve imaging resolution of an EIT system without physically increasing a number of conducting electrodes. The EIT system of the present disclosure may includes a plurality of conducting electrodes, at least one signal generator, at least one signal receiver and at least one electric current steering device. In other words, the present disclosure applies both the electric current steering technique and the virtual electrode technique to EIT. Consequently, imaging resolution of EIT can be improved without physically increasing the number of conducting electrodes.

Description

Technical field [0001] The invention relates to a method for improving the image resolution of electrical impedance tomography and a two-dimensional and three-dimensional electrical impedance tomography system, in particular to a method for improving the image resolution of electrical impedance tomography with current control technology and a three-dimensional electrical impedance Tomography system. Background technique [0002] In recent years, the development of medical imaging technology enables medical imaging technologies such as Computed Tomography (CT), Magnetic Resonance Imaging (MRI) and Positron Emission Tomography (PET) to generate three-dimensional image. [0003] Although the existing scanning imaging technology can generate a two-dimensional static image on the output film, it requires multiple image scans to obtain a three-dimensional image. The 3D ultrasound imaging technology uses a similar technology. In addition, when medical personnel diagnose specific parts o...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/053
CPCA61B5/0536A61B5/12A61B5/4064A61B5/407A61B5/6814A61B5/6822A61B5/6823A61B5/6868A61B5/7225A61B5/7278
Inventor 蔡德明孙树海
Owner SPRING FOUND OF NCTU
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