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Device for noninvasively detecting property of stomach tissue

A detection device and stomach technology, applied in the field of biological spectrum analysis, can solve the problems of low precision, waste of a large amount of information in the whole spectrum, etc., and achieve the effects of avoiding missed detection, reducing pain, and shortening the time required for diagnosis

Active Publication Date: 2011-02-16
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Moreover, the current spectrum research is still at the stage of characteristic spectrum peak comparison, wasting a lot of information of the whole spectrum, and relying too much on subjective judgment, so the accuracy is not high

Method used

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  • Device for noninvasively detecting property of stomach tissue
  • Device for noninvasively detecting property of stomach tissue
  • Device for noninvasively detecting property of stomach tissue

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Embodiment Construction

[0053] Below in conjunction with accompanying drawing and specific embodiment, technical scheme of the present invention is described in further detail:

[0054] Such as Figure 1 to Figure 4 As shown, the non-invasive detection device for gastric tissue properties of the present invention includes the following parts:

[0055] The secondary ATR probe 6 and the miniature image acquisition device 10 are located at the bottom end of the soft part 15 extending into the patient's body, and the middle-infrared incident optical fiber 5 and the mid-infrared outgoing optical fiber 8 form a Y-shaped optical fiber bundle and are connected to the secondary ATR crystal 17; The soft part 15 inserted into the patient's body can be bent and controlled. By operating the bendable part, the maximum angle of bending can be 100° up and down, and 50° to the left and right. It is helpful to adjust the direction of the bending angle. The tip part passes through the curved cavity in the stomach to i...

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Abstract

The invention relates to a device and a method for noninvasively detecting the property of the stomach tissue. The device comprises a light source part, a flexible part extended into a human body, a light spectrum collection device, a computer, and the like. Stomach images are acquired by a micro image acquisition device and sent to the computer; after incident infrared light passes through a secondary attenuated total reflection (ART) probe, the absorption information of the stomach tissue is transmitted to the in-vitro light spectrum collection device, converted into an electrical signal and then sent to the computer; and after a mode identification module distinguishes and analyzes the images and the light spectrum information of the stomach tissue, the mode identification module outputs a detected tissue property. The method comprises the following steps: before measuring and after establishing a distinguishing and analyzing model by utilizing the images and light spectrums of thein-vivo stomach tissue, acquiring the images and the light spectrums of a part to be detected and inputting the images and the light spectrums to the established distinguishing and analyzing model toobtain an analyzing result of the stomach tissue of a patient to be detected. The invention can realize in-vivo, noninvasive, quick and multi-point measurement, avoid missed detection, reduce the pain of the patients, establish the distinguishing and analyzing model by combining the images and full light spectrum information and has high accuracy.

Description

technical field [0001] The invention relates to the technical field of biological spectrum analysis, in particular to a device and method for non-invasive detection of gastric tissue properties. Background technique [0002] Cancer is a kind of disease that seriously threatens human health and even life. Gastric cancer is one of the most common malignant tumors, and its mortality rate ranks first among malignant tumors in my country. The main factor affecting its treatment is the disease stage. The 5-year survival rate of early gastric cancer can reach more than 90%. At present, the most effective method for examining gastric lesions is fiber optic endoscopy, which can understand the location and extent of lesions, and can draw suspicious lesions for pathological diagnosis. In the results of clinical gastroscopy, generally a very small proportion of cases are cancers, and the vast majority of patients suffer from various chronic inflammations. If the inflammatory lesions ar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B1/273A61B1/07A61B1/005
Inventor 李庆波李响张广军
Owner BEIHANG UNIV
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