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Rapid cervical cancer screening system and method

A technology for cervical cancer and cervix, applied in the field of cervical cancer rapid screening system, can solve the problems of high prevalence and fatality rate of cervical cancer, lack of professionally trained doctors, low detection accuracy, etc. Easy to use and improve the survival rate

Inactive Publication Date: 2020-04-14
SUZHOU INST OF BIOMEDICAL ENG & TECH CHINESE ACADEMY OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In recent years, with the development and promotion of cervical cancer detection technology, the incidence of cervical cancer has generally declined globally. However, in some poor or remote areas, due to poor medical conditions, there is a lack of professionally trained doctors, especially professional colposcopy and Cytopathologists, because cervical cancer cannot be detected in time, the morbidity and mortality of cervical cancer remain high
The current cervical cancer screening equipment has defects such as low detection accuracy and inconvenient use

Method used

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  • Rapid cervical cancer screening system and method
  • Rapid cervical cancer screening system and method
  • Rapid cervical cancer screening system and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] The present invention provides a method for rapid screening of cervical cancer through the above principles, the method comprising the following steps:

[0044] 1) Perform electrical testing:

[0045] 1-1) In the low frequency range (below 1MHz), due to the large leakage resistance of the cell membrane, the equivalent circuit model of a single cell in a biological tissue can be simplified as figure 2 shown, where R i , R e and C m Represent the equivalent intracellular, external fluid resistance and membrane capacitance, respectively. So, using the parameters given by R i , R e and C m The composed bioimpedance model is used as a single-cell equivalent circuit model of biological cervical tissue, using the Cole-Cole impedance equation to describe the impedance of biological cervical tissue. The Cole-Cole impedance equation is:

[0046]

[0047] In the formula, R 0 =R e ,R∞=R i *R e / (R i +R e ), f c =1 / [2π(R i +R e )C m ] (2);

[0048] Among them, ...

Embodiment 2

[0061] On the basis of the method in Example 1, a rapid screening system for cervical cancer is provided in this embodiment, which uses the rapid screening method for cervical cancer in Example 1 to detect cervical cancer. The hosts connected by communication;

[0062] The handheld device is provided with a pair of first electrode pairs used as excitation electrodes to generate current signals, a pair of second electrode pairs used as measurement electrodes to detect impedance, a light source and a detector;

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Abstract

The invention discloses a rapid cervical cancer screening system and method. The system comprises a handheld device and a host in communication connection with the handheld device. The handheld deviceis provided with a first electrode pair used as excitation electrodes to generate current signals, a second electrode pair used as measuring electrodes to detect impedance, a light source and a detector. The host comprises a control module and a data processing module, the control module is used for controlling the handheld device, and the data processing module is used for processing detection data of the handheld device to obtain a detection result. According to the method, normal cervical tissues are distinguished from cancerous cervical tissues by detecting the difference of the normal cervical tissue and the cancerous cervical tissue in electrical and optical properties. According to the invention, electrical detection is conducted on the cervical tissue, optical detection is combined to serve as compensation, rapid screening of cervical cancer can be achieved according to the difference of electrical and optical characteristics of normal cervical tissue and abnormal cervical tissue, and the accuracy of diagnosis results can be improved.

Description

technical field [0001] The invention relates to the field of cervical cancer screening, in particular to a system and method for rapid screening of cervical cancer. Background technique [0002] Cervical cancer is one of the most common malignant tumors in women worldwide, second only to breast cancer in incidence. According to the statistics of the World Health Organization, about 500,000 women are diagnosed with cervical cancer every year in the world, and about 288,000 patients die, seriously endangering women's lives and health. [0003] In recent years, with the development and promotion of cervical cancer detection technology, the incidence of cervical cancer has generally declined globally. However, in some poor or remote areas, due to poor medical conditions, there is a lack of professionally trained doctors, especially professional colposcopy and Cytopathologists, because cervical cancer cannot be detected in time, the morbidity and mortality of cervical cancer rem...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/02G01N21/47G01N21/49
CPCG01N27/02G01N21/49G01N21/4738G01N2021/4735
Inventor 唐艳秋赵建
Owner SUZHOU INST OF BIOMEDICAL ENG & TECH CHINESE ACADEMY OF SCI
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