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Ultra-wide-range skin imaging device and method

A skin imaging and range technology, applied in the field of OCT imaging, can solve the problem of not improving the detection depth

Pending Publication Date: 2019-10-01
FOSHAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In the prior art, the patent application number CN200910076054.5 for "real-time imaging optical coherence tomography skin diagnostic equipment" can realize real-time rapid imaging of skin everywhere in the human body, while the patent application number CN201711340695.8 "applied to vascular skin diseases Detection and positioning device and system and working method" patents achieve consistent scanning positions before and after, and high detection stability, but these two patents are aimed at small-scale imaging and do not improve the detection depth

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Embodiment 1

[0040] Embodiment 1, with reference to figure 1 , an ultra-wide-range skin imaging device, comprising: a light source 100, a fiber coupler 200, a reference arm device 300, a sample arm device 400, a spectrometer device 500 and a computer processing terminal 600; the reference arm device 300 includes a first A collimator lens 301 and a reflector 302, the first collimator lens 301 and the reflector 302 are connected by light;

[0041] The sample arm device 400 includes a second collimating lens 401, a two-dimensional galvanometer scanning system 402, and a first focusing lens 403. The first focusing lens 403, the outgoing light of the first focusing lens 403 enters the skin 700 to be tested;

[0042] The spectrometer device 500 includes a third collimating lens 501, a grating 502, a triangular prism 503, a second focusing lens 504, and an image acquisition module 505 connected by light, and the outgoing light of the third collimating lens 501 passes through the grating 502 in s...

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Abstract

The invention discloses an ultra-wide-range skin imaging device and method. The device comprises a light source, an optical fiber coupler, a reference arm device, a sample arm device, a spectrograph device and a computer processing terminal. The reference arm device comprises a first collimating lens and a reflector. The first collimating lens and the reflector are connected through light rays. The sample arm device comprises a second collimating lens, a two-dimensional galvanometer scanning system and a first focusing lens. The spectrograph device comprises a third collimating lens, an optical grating, a triangular prism, a second focusing lens and an image collecting module. By means of the skin imaging device, real-time large-range imaging is conducted on to-be-detected skin; by improving the spectral resolution of the spectrograph device, the imaging range in the depth direction is enlarged; meanwhile, by means of the skin imaging method, through an image splicing algorithm, a large-range imaging image is obtained.

Description

technical field [0001] The invention relates to the technical field of OCT imaging, and more specifically relates to an ultra-wide-range skin imaging device and method. Background technique [0002] The skin is the largest organ of the human body and a very important organ of the human body. Optical coherence tomography (OCT) is a cross-sectional imaging technology based on the principle of low-coherence light interference. With its advantages of high resolution, real-time and non-contact, it has broad application prospects in the clinical diagnosis of human skin diseases. . For example, skin cancer (such as basal cell carcinoma), port wine stain, and diagnosis and treatment of skin and vascular diseases. [0003] However, SDOCT has certain limitations in skin application. In the SDOCT system, the interference signal between the sample arm and the reference arm is received by the spectrometer. The spectral resolution of the spectrometer is limited by the grating's light-s...

Claims

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Application Information

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IPC IPC(8): A61B5/00
CPCA61B5/0082A61B5/0066A61B5/441
Inventor 吴小翠蓝公仆秦嘉安林许景江黄银瑞
Owner FOSHAN UNIVERSITY
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