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medical device

A medical device and brightness technology, which is applied in measuring devices, medical science, fluorescence/phosphorescence, etc., can solve the problems of excessive brightness of fluorescent images and brightness not suitable for observation

Active Publication Date: 2016-08-10
OLYMPUS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, in the case of simply combining and applying the combination of pixels disclosed in Japanese Patent Laid-Open No. 2001-258820 when generating the composite image disclosed in Japanese Patent Laid-Open No. 2005-329115, for example, the following Problem: The brightness of the fluorescence image is excessive or insufficient relative to the reference light image, and a synthetic image with brightness that is not suitable for observation is generated

Method used

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Embodiment Construction

[0013] Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0014] figure 1 It is a diagram showing the configuration of the main part of the endoscope apparatus according to the embodiment of the present invention.

[0015] Such as figure 1 As shown, the endoscope apparatus 1 is configured to include an endoscope 2 that can be inserted into a subject as a living body, acquire an image of a subject such as a living tissue existing in the subject, and output the acquired subject The image of the subject is used as the imaging signal; the light source device 3, which supplies the light emitted to the subject to the endoscope 2 via the light guide 7 inserted into the interior of the endoscope 2, and the processor 4, which performs Signal processing corresponding to the image pickup signal output by the endoscope 2 and output the image signal after the signal processing as an image signal; the monitor 5, based on the image signal output ...

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Abstract

The medical device of the present invention has: a light source unit capable of alternately irradiating an object with excitation light and reference light; The reflected light obtained by reflecting in the subject is imaged; the pixel addition processing unit performs pixel addition processing of converting signals of a plurality of pixels in a fluorescence image obtained by imaging the fluorescence into a signal of one pixel; a brightness adjustment unit, which adjusts so that the brightness ratio of the fluorescent image subjected to pixel addition processing and the reference light image obtained by imaging the reflected light becomes a constant value; and an image processing unit, which performs brightness adjustment. Pixel interpolation processing is performed on the fluorescence image after brightness adjustment, and image synthesis is performed so that the fluorescence image after pixel interpolation processing and the reference light image after brightness adjustment are included in the same observation image.

Description

Technical field [0001] The present invention relates to a medical device, and particularly to a medical device capable of performing fluorescence observation. Background technique [0002] As a method for discovering lesions such as early cancers, for example, in recent years, methods using the following properties have been studied: when excitation light is irradiated to the observation target portion of the living body, the intensity of fluorescence emitted from normal tissues and the The intensity of the emitted fluorescence is different from each other. [0003] On the other hand, as a configuration for realizing the method, for example, Japanese Patent Application Laid-Open No. 2005-329115 discloses a fluorescence endoscope device that generates and performs the following two image signals: The synthesized image obtained by synthesis, the two image signals are the image signals of the reflected light image obtained by imaging the reflected light of the two narrowband illumina...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B1/04G01N21/64
CPCA61B1/043G01N21/6456A61B1/00009A61B1/045A61B6/52
Inventor 武井俊二道口信行
Owner OLYMPUS CORP