An illumination system for endoscopic applications

A lighting system and endoscope technology, applied in the field of endoscopy, can solve the problem that precancerous lesions are not detected by doctors, etc.

Inactive Publication Date: 2014-12-24
DANMARKS TEKNISKE UNIV +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The result is that some precancerous tissue may go undetected by doctors

Method used

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  • An illumination system for endoscopic applications
  • An illumination system for endoscopic applications
  • An illumination system for endoscopic applications

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Embodiment Construction

[0040] As mentioned above, the present disclosure relates to an endoscope for inspecting a body cavity including tissue, the endoscope comprising: a light source including a substantially monochromatic light source having a predetermined center wavelength between 400 nm and 550 nm; means for directing light from a substantially monochromatic light source toward at least a portion of tissue; and at least one band-stop filter adapted to attenuate at least said central wavelength, wherein the substantially monochromatic light source is configured to generate in the irradiated tissue Autofluorescence allows the illuminated tissue to be visualized, and wherein the endoscope is configured to display at least a portion of the illuminated tissue through the band-stop filter.

[0041] The present disclosure also relates to a method for illuminating at least a portion of an interior surface of a body cavity, including tissue, of a subject for an observer, the method comprising the steps ...

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Abstract

The present disclosure relates to an illumination system for endoscopic applications comprising at least one substantially monochromatic light source having a predefined central wavelength between 400 and 500 nm or between 500 and 550 nm, an optical transmission path adapted to guide light emanating from the light source to an endoscopic region of examination, and an optical band-rejection filter, wherein the illumination system is adapted to illuminate at least a part of the region of examination by generating autofluorescence in surrounding tissue, and the band-rejection filter is adapted to attenuate at least said light source wavelength to a viewer and wherein said light source is the single light source in the illumination system. A further embodiment relates to an endoscope for examining a body cavity comprising tissue, the endoscope comprising a source of light consisting of a substantially monochromatic light source having a predefined central wavelength between 400 and 550 nm, means for guiding light from the substantially monochromatic light source towards at least a part of the tissue, and at least one band-rejection filter adapted to attenuate at least said central wavelength, wherein the substantially monochromatic light source is configured to generate autofluorescence in the irradiated tissue such that the irradiated tissue is observable, and wherein the endoscope is configured to display at least a part of the irradiated tissue through said band-rejection filter. A system for photodynamic diagnosis and / or therapy of bladder cancer is further disclosed herein.

Description

[0001] The present disclosure relates to endoscopes for inspecting body cavities and systems for illuminating inspection areas in medical endoscopy applications. The present disclosure also relates to methods for illuminating at least a portion of an interior surface of a body cavity. Additionally, disclosed herein are systems for photodynamic diagnosis and / or treatment of bladder cancer. Background technique [0002] Endoscopy is gaining increasing popularity in the medical community due to the reduced costs associated with examination, diagnosis, treatment and surgery and the reduced risk, discomfort and damage to the patient. [0003] Endoscopes typically include a rigid or flexible tube having a distal end that enters the patient and a proximal end that faces toward the user of the endoscope. A light delivery system is usually provided to illuminate the body cavity or organ or object to be examined (examination area); an optical relay system or an electrical relay system ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B1/307A61B1/06A61B1/04
CPCA61B1/00186A61B1/043A61B1/063A61B5/0071F21V9/08G02B6/0008
Inventor 拉尔斯·林德沃尔德格雷格斯·赫尔曼
Owner DANMARKS TEKNISKE UNIV
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