Variable-scanning-mode eyeball OCT (Optical coherence tomography) endoscope realized by optical fiber imaging fiber bundle
A scanning method and endoscope technology, applied in the field of ophthalmic medical equipment, can solve the problems of limited space for endoscope activity and incapable of 3D imaging in the area, and achieve the effect of good navigation and positioning, simple operation, and realization of navigation and positioning.
Pending Publication Date: 2019-08-02
BEIJING TSINGHUA CHANGGUNG HOSPITAL +1
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[0008] The invention provides an eyeball OCT endoscope with a variable scanning mode realized by optical fiber imaging fiber bundles, which has a variable scanning mode, is simple to operate, can switch the working mode arbitrarily, can perform two-dimensional scanning, and can obtain the image in the observation area. The advantages of 3D images solve the problem that the existing eyeball endoscopes only support lateral scanning, and because the endoscope itself has limited activity space and the scanning range is limited to a single slice, it cannot perform 3D imaging on the region
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[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0028] see Figure 1-3 , an eyeball OCT endoscope with a variable scanning mode realized by an optical fiber imaging fiber bundle, including an optical fiber adjustment mechanism, a front scanning mechanism, and a side scanning mechanism:
[0029] Optical fiber adjustment mechanism, including: optical fiber generator 1, optical fiber collimator 2, optical fiber bundle 3, X-direction reflector 4 and Y-direction reflector 5;
[0030] Front scanning mechanism, i...
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The invention relates to the technical field of ophthalmic medical equipment, and discloses a variable-scanning-mode eyeball OCT (Optical coherence tomography) endoscope realized by an optical fiber imaging fiber bundle. The endoscope comprises an optical fiber adjusting mechanism, a front scanning mechanism, and a side scanning mechanism; the optical fiber adjusting mechanism comprises an opticalfiber generator, an optical fiber collimator, a fiber optics bundle, an X-direction reflecting mirror and a Y-direction reflecting mirror; the front scanning mechanism comprises a metal shell I, a fiber-optic endoscope and a micro lens; the side scanning mechanism comprises a metal shell II, a side-scanning opening and a reflecting mirror with an inclined plane port. According to the variable-scanning-mode eyeball OCT endoscope realized by the optical fiber imaging fiber bundle, through the arrangement of the X-direction reflecting mirror, the Y-direction reflecting mirror and the fiber-opticendoscope, and by adopting a separated structure, computed tomography operation on the two dimensions of X / Y can be realized, so that 3D (Three dimensional) scan images in a viewing zone are obtained, thereby better realizing the navigational positioning effect, and practical clinical usage requirements are further met.
Description
technical field [0001] The invention relates to the technical field of ophthalmic medical equipment, in particular to an eyeball OCT endoscope with a variable scanning mode realized by an optical fiber imaging fiber bundle. Background technique [0002] OCT ophthalmic endoscope can play an important role in navigation and imaging in vitrectomy, which can reduce the difficulty of wave ablation surgery and achieve better surgical results. [0003] In the actual operation process, according to the location of the lesion area, the doctor may need two different scanning methods, lateral OCT scanning and forward OCT scanning, and 3D imaging is required to achieve better navigation and positioning effects. [0004] However, there are the following limitations in terms of the current implementation of ophthalmic endoscopes: [0005] 1. Only lateral scanning is supported. Due to the limited activity space of the endoscope itself, the scanning range cannot cover part of the fundus ar...
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IPC IPC(8): A61B3/10A61B90/00
CPCA61B3/0075A61B3/102A61B90/361A61B90/37A61B2090/3614A61B2090/3735
Inventor 胡运韬王颖奇司山城
Owner BEIJING TSINGHUA CHANGGUNG HOSPITAL