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Endoscope

An endoscope and terminal technology, applied in the field of endoscope, can solve the problems of obstructing and affecting observation and treatment, and achieve the effect of strengthening tolerance

Active Publication Date: 2017-01-18
FUJIFILM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the input and output of the image sensor are easily affected by the noise radiated from the high-frequency treatment instrument inserted through the treatment instrument channel.
In addition, there is concern that appropriate observation and treatment will be hindered when noise is mixed into the image signal output from the image sensor.

Method used

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Examples

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Embodiment Construction

[0022] figure 1 An example of an endoscope system for describing an embodiment of the present invention is shown.

[0023] The endoscope system 1 has an endoscope 2 , a light source unit 3 , and a processor unit 4 . The endoscope 2 has an insertion part 6 inserted into the subject, an operation part 7 connected to the insertion part 6, and a universal cable 8 extending from the operation part 7. The bending part 11 and the flexible part 12 connecting the bending part 11 and the operation part 7 are constituted.

[0024] An illumination optical system that emits illumination light for illuminating an observed site, an image sensor, and an imaging optical system that captures an image of the observed site are provided in the distal end portion 10 . The bending portion 11 is configured to be bendable in a direction perpendicular to the long axis of the insertion portion 6 , and the bending operation of the bending portion 11 is operated by the operation portion 7 . Furthermore...

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Abstract

The endoscope can reduce the influence on image signals of an image sensor imposed by a high frequency band leaked from a treatment tool channel without constraining the diameter taping of an insertion unit. The endoscope has an image sensor (20) which is at a tip portion (10) of the insertion unit (6) and also a tip portion of the treatment tool channel (14) which extends along the longitudinal axis (A) of the insertion unit (6). The image sensor (20) includes a plurality of terminals which include a video terminal (23a) which outputs a video signal, a distance (La) of the video terminal (23a) is longest among distances of the respective terminals from a center C of the treatment tool channel (14) in a plane (S) that is perpendicular to the longitudinal axis (A).

Description

technical field [0001] The present invention relates to an endoscope having an image sensor at the tip of an insertion portion inserted into a subject. Background technique [0002] The insertion part of the endoscope is provided with a treatment instrument channel through which the treatment instrument is inserted, and sometimes not only the observation using the image sensor provided at the front end of the insertion part is performed, but also the treatment instrument inserted through the treatment instrument channel is used. Perform treatment specific to the observed site. [0003] As a treatment device, a high-frequency treatment instrument such as an electric scalpel may be used. In the endoscope described in Patent Document 1, a shielding sheet is connected to the circuit board to which the image sensor is connected, and the conductor exposed part of the electric wire group connected to the circuit board is covered with the shielding sheet to suppress radiation from ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B1/00A61B1/04
CPCA61B1/0008A61B1/04A61B1/0011A61B1/00114A61B2018/00982A61B18/1402A61B1/051A61B18/18
Inventor 铃木一诚矢代孝石井秀一高桥一昭
Owner FUJIFILM CORP
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