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OCT (Optical Coherence Tomography) probe assembly and imaging system comprising same

A component and ball lens technology, applied in the field of medical devices, can solve problems such as imaging aberrations

Active Publication Date: 2022-05-03
SUZHOU PULSE RONGYING MEDICAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the invention is to solve the problem of aberration in imaging

Method used

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  • OCT (Optical Coherence Tomography) probe assembly and imaging system comprising same

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Embodiment Construction

[0028] The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. Although the description of the present invention will be presented in conjunction with a preferred embodiment, it does not mean that the features of the invention are limited to this embodiment. On the contrary, the purpose of introducing the invention in conjunction with the embodiments is to cover other options or modifications that may be extended based on the claims of the present invention. The following description contains numerous specific details in order to provide a thorough understanding of the present invention. The invention may also be practiced without these details. Also, some specific details will be omitted from the description in order to avoid obscuring or obscuring the gist of the present invent...

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Abstract

The invention discloses an OCT (Optical Coherence Tomography) probe assembly, which comprises an optical fiber; the spherical lens is connected with the optical fiber, one end, far away from the optical fiber, of the spherical lens is provided with a circular tangent plane, an included angle of 43-47 degrees is formed between the optical axis of the optical fiber and the vertical projection of the optical axis on the circular tangent plane, a groove is formed in the circular tangent plane of the spherical lens, and the groove surface of the groove is a cylindrical surface. The axis of the cylinder where the groove is located is perpendicular to the plane where the optical axis and the vertical projection of the optical fiber are located. The circle center of the circular section is located in a notch formed by the groove in the circular section. And the shell is provided with a cylindrical inner cavity and is used for accommodating the spherical lens. By adopting the technical scheme, the spherical lens is used for focusing the light beam, and the groove with the cylindrical surface is formed in the spherical lens, so that the imaging aberration can be corrected within the required imaging depth, and the imaging reaches the optimal resolution at the required imaging depth. The invention further provides an imaging system comprising the OCT probe assembly.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to an OCT probe assembly and an imaging system containing the OCT probe assembly. Background technique [0002] Optical coherence tomography (OCT) can non-invasively image biological tissues. OCT is widely used in biomedical analysis and medical diagnosis, and can perform high-resolution (about 10 μm) imaging of biological tissues, and its penetration depth of biological scattering tissues is about 1mm-2mm. In endoscopic OCT for coronary artery and esophageal imaging, a catheter is guided into the lumen of the organ under study by using a guidewire or endoscopic instrument port. [0003] The catheter is usually a transparent shell that separates the tissue being imaged from the fiber optic section and protects the interior of the catheter from blood and mechanical damage. However, while the catheter effectively separates the tissue and internal devices, since the cathe...

Claims

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Application Information

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IPC IPC(8): A61B5/00A61B1/07G02B6/255G02B6/32G02B27/00
CPCA61B5/0066A61B5/0084A61B1/07G02B6/32G02B6/2551G02B27/0025
Inventor 吴继刚张驰李莹光
Owner SUZHOU PULSE RONGYING MEDICAL TECH CO LTD