Drive device

A driving device and filter technology, used in medical science, telescopes, optics, etc., can solve the problems of lower and higher position accuracy, and achieve the effect of suppressing overload

Active Publication Date: 2017-11-28
OLYMPUS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, there arises the problem that the positional accuracy decreases when the optical filter is arranged at a predetermined position, or the possibility of failure due to overload of the drive motor increases.

Method used

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Embodiment Construction

[0019] Hereinafter, the present invention will be described with reference to the illustrated embodiments. The drawings used in the following description are schematic, and the dimensional relationship or scale of each member may be different for each constituent element in order to show each constituent element in a size that can be recognized on the drawing. show. Therefore, the number of constituent elements, the shape of the constituent elements, the ratio of the size of the constituent elements, and the relative positional relationship of the constituent elements described in each of the drawings according to the present invention are not limited to those shown in the drawings.

[0020] Figure 1 to Figure 5 It is a figure which shows one Embodiment of this invention. in, figure 1 It is a schematic perspective view showing the overall configuration of an endoscope system including a light source device for an endoscope having the driving device according to the present...

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PUM

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Abstract

The purpose of the present invention is to provide a drive device for an observation light switching mechanism, the device enabling the size thereof to be reduced and overloading of a drive motor to be prevented. In order to achieve such purpose this drive device includes the following: a filter unit 42 in which an optical filter 32 for generating light having specific wavelength characteristics is disposed, and in which the optical filter can be disposed in a first position and a second position different from the first position; a protruding part 42x provided to the filter unit; a transmission part 43 which includes a first groove 43d that the protruding part makes contact with, which rotates about a prescribed rotation shaft 41d, and which causes the optical filter to move from the first position to the second position by causing the protruding part to move along the first groove; and a second groove 43e which is provided in the transmission part, and in a state where the optical filter has been moved to the second position, is provided along the protruding part tangent-line direction the center of which is the rotation shaft of the transmission part.

Description

technical field [0001] The present invention relates to a drive device for an observation light switching mechanism for switching observation light by inserting and removing an optical filter on an optical path in a light source device for an endoscope. Background technique [0002] Conventionally, endoscopes having an insertion portion in the shape of an elongated tube have been widely used in, for example, the medical field and the industrial field. Among them, the medical endoscope used in the medical field is configured so that the insertion part can be inserted into the body cavity of the subject, such as a living body, to observe the organs, etc., or it can be inserted into the endoscope if necessary The treatment tool penetrates the treatment tool inserted into the channel to perform various treatments on the organ or the like. In addition, industrial endoscopes used in the industrial field are configured so that the insertion part can be inserted into a device or eq...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B1/06A61B1/00
CPCA61B1/0655A61B1/0638A61B1/0646A61B1/00A61B1/00013A61B1/00048A61B1/0005A61B1/00188A61B1/043A61B1/045A61B1/053G02B23/26
Inventor 代田雄高渡部正晃端山贵洋熊田鲇子
Owner OLYMPUS CORP
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