Micro optical probe of endoscope

A technology for optical probes and endoscopes, applied in the field of micro-optical probes for endoscopes, can solve problems affecting the market development of disposable probes, longer processing cycles, and high costs, so as to improve reliability and optical calibration accuracy, reduce Difficulty in assembly, achieving precise positioning effect

Active Publication Date: 2012-04-04
无锡微文半导体科技有限公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] from figure 1 It can be seen that the asymmetric structure of the probe base brings great difficulties to the processing, which is not conducive to the mass production of the probe
In order to realize the popularization of disposable MEMS-OCT probes, the design scheme shown in Figure 1 will be limited to the research and development stage, and the use of wire electric discharge machining will make the processing cycle longer and the cost is high, which affects the market development of disposable probes

Method used

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  • Micro optical probe of endoscope
  • Micro optical probe of endoscope
  • Micro optical probe of endoscope

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Experimental program
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Effect test

Embodiment Construction

[0041] (1) Endoscopic probe and its structure

[0042] The core issue of the application of OCT technology in endoscopes is the miniaturization of the endoscopic probe. With the development of MEMS technology, the miniaturization of the endoscopic probe can be realized by combining MEMS micromirrors.

[0043] The probe structure is designed with two modes of side scanning and forward scanning. This patent is mainly used for side scanning. The overall appearance of the probe is as figure 2 As shown, it includes an optical fiber connection end 21, an electrical connection end 22, a window 23, and a housing 24. It adopts a completely sealed structure, which not only protects the MEMS micromirror from environmental factors, but also electrically connects the inner and outer layers of the MEMS micromirror. Insulation protection is carried out, and at the same time, it can ensure a firmer connection between the parts in the probe, so that the probe has a certain ability to resist ...

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Abstract

The invention discloses a micro optical probe of endoscope, which comprises an MEMS microscope, a circuit board, a self focusing optical assembly, a locating bottom plate and a housing; the micro optical probe of endoscope is characterized in that: the endoscope probe is designed by using integrated symmetrical structure, the MEMS microscope; the circuit board and the self focusing optical assembly are assembled on the locating bottom plate according to design requirements of optomechatronics to form a probe body, and a probe housing is formed by injection molding or casting and is tightly connected with the probe body. The housing opposite to the microscope surface of the MEMS microscope can be formed with an optical window, or the housing material is transparent to the used light. The probe housing is formed at a time by injection molding / casting technology, and this structure can protect the MEMS microscope from being influenced with environment factor and can bear a certain vibration impact and random shock; the sealed probe can work in various liquid environments; and large-batch and low-cost processing production of probes can be realized, and the aim of disposable probes will be fulfilled.

Description

technical field [0001] The invention belongs to the technical field of medical equipment, in particular to an endoscope micro optical probe. Background technique [0002] Combining microelectromechanical systems (MEMS) scanning micromirrors with Optical Coherence Tomography (OCT) technology to develop endoscopic imaging systems is the main development project of the patent applicant. The first MEMS-OCT endoscopic probe in the world was developed by one of the members of the R&D team of the applicant unit in 2001. The endoscope uses a one-dimensional MEMS scanning micromirror driven by electrothermal technology, and successfully demonstrated the function of living pig bladder. Two-dimensional cross-sectional OCT image. The probe has obtained the US patent (patent number: US7,450244 Full circumferential scanning OCT intravascular imaging probe based on canning MEMS mirror), figure 1 It is a three-dimensional design drawing of the probe, which includes a probe base 14, a Gree...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B26/08G02B23/24A61B1/00A61B5/00
Inventor 傅霖来谢会开
Owner 无锡微文半导体科技有限公司
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