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Endoscope device

A technology for endoscopes and connecting parts, which is applied in the field of endoscope devices, and can solve problems such as temperature rise of the connecting part of the light source, insufficient radiation of lighting lamps, and difficulty in quickly replacing lighting lamps, etc.

Inactive Publication Date: 2003-09-10
OLYMPUS OPTICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In addition, in the case where the distance between the lighting lamp and the light source connection part is very short like battery-driven light source equipment, since the temperature of the light source connection part rises, the radiation of the lighting lamp becomes insufficient, so that the life of the lighting lamp decreases.
In addition, during the use of the endoscope, when the lighting lamp burns out, it may be difficult to quickly replace the lighting lamp due to the influence of the temperature rise of the light source connection part

Method used

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Examples

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Embodiment Construction

[0028] Hereinafter, the preferred embodiments of the present invention will be described with reference to the accompanying drawings.

[0029] figure 1 is a view of the overall structure of the endoscope apparatus according to the first embodiment of the present invention. The endoscope 1 includes an insertion portion 2 to be inserted into an area to be observed, a manipulation portion 3 provided at a proximal end of the insertion portion 2 , and an eyepiece portion 4 provided at a proximal end of the manipulation portion 3 .

[0030] The insertion portion 2 has a tip portion 5, a bending portion 6 bendable under the manipulation of the manipulation portion 3, and a flexible portion 7 having flexibility, all of which are arranged from the end of the insertion portion 2 in the order described above. Ventilation passages 8 (to be described in each embodiment below, for air supply and suction, hereinafter simply referred to as air supply and suction passages 8 ) and observation ...

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Abstract

Endoscope apparatus having a space through which a cooling fluid flows in the inside of a connection portion between the endoscope and a light source device in order to cool heat generated in the connection portion. For example, a device for performing air supply or air suction (at least either one of air supply and air suction) in the endoscope communicates with the space, and cooling is effected by the flow of air formed by the device. In a preferred example of a cooling method, when neither air supply nor air suction is needed during manipulation of the endoscope, the device and the space are connected to each other to effect cooling, and when air supply or air suction is needed, the flow of air used for cooling is intercepted, and is exclusively directed to an air channel in the endoscope.

Description

technical field [0001] The present invention relates to a technique for cooling heat generated in a connection portion of an endoscope by which the illumination light enters the endoscope when external illumination light is guided to the endoscope. Background technique [0002] In the medical field and industrial field, endoscopes are widely used, and a target area to be diagnosed or observed is inside a living body, an implant, or the like. For this reason, it is necessary to illuminate the target area to be observed. A general endoscope apparatus is equipped with a light source device as an endoscope attachment, and is configured to guide illumination light emitted from an illuminating lamp inside the light source device to an illumination light guide fiber provided inside the endoscope. This illumination light exits a window provided at the end of the insertion portion of the endoscope and illuminates the area to be observed. [0003] An example of a light source device...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B1/00A61B1/005A61B1/015A61B1/12
CPCA61B1/00126A61B1/015A61B1/0051A61B1/0669A61B1/00128A61B1/12A61B1/128
Inventor 梶国英
Owner OLYMPUS OPTICAL CO LTD
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