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System and method for dectecting oral diseases, and environment light management system

A light source and fluorescence technology, which is applied in dental mirrors, diagnostic recording/measurement, medical science, etc., can solve problems, such as weak autofluorescent signals, and achieve the effect of increasing and reducing the amount

Inactive Publication Date: 2012-06-20
LED MEDICAL DIAGNOSTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, autofluorescence detection is problematic in traditional dental and medical environments because the autofluorescence signal itself is very, very faint compared to the ambient light typically found in exam rooms, operating rooms, etc.

Method used

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  • System and method for dectecting oral diseases, and environment light management system
  • System and method for dectecting oral diseases, and environment light management system
  • System and method for dectecting oral diseases, and environment light management system

Examples

Experimental program
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Effect test

Embodiment 1

[0218] Example 1: Identifying major dysplasia in the oral cavity using a viewing monitor

[0219] Major dysplasia in the oral cavity was identified based on autofluorescence using a viewing monitor (N=49). The optical path of the display sequentially has a collimator, a 430+ / -30nm filter (filter 1), a dichroic filter (filter 2), a light-proof absorber, a glass window, mucosal tissue or other targets Tissue, dichroic filter (filter 2 (light reverses through same dichroic filter)) 475, longpass filter (filter 3), 590nm notch filter (filter Light sheet 4), eyepiece. The display is used with a vestibular device with an opening that is operably connected to the display and blocks substantially all ambient light from reaching the target.

[0220] For major lesions in patients without a history of oral cancer, the monitor correctly identified most dysplasias (70%), especially high-grade premalignant lesions (86%). Approximately 18% of nondysplastic lesions were also positive using...

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Abstract

Methods and systems related to detecting disease, such as oral cancer, in a patient, using a viewing scope to investigate a patient's tissues. The systems and methods excite and detect fluorescence from the tissue. The fluorescence can then be evaluated, and the possibility of certain diseases such as cancer can be determined. The devices include an ambient light management system ALMS, often referred to as a vestibular device that manages background light in the health practitioner's office. This device can be used with scope systems for fluorescence based detection of abnormal tissue.

Description

[0001] This application is a divisional application of the application dated April 14, 2005, the application number is 200580019353.5, and the title of the invention is "system and method for detecting diseases including oral cavity range and ambient light management system (ALMS)". [0002] Cross-references to related applications [0003] This application claims U.S. Provisional Patent Application No. 60 / 562469, filed April 14, 2004; U.S. Provisional Patent Application No. 60 / 618287, filed October 12, 2004; and Priority to US Provisional Patent Application No. 11 / 016567, all of which are incorporated by reference in their entirety for all teachings, disclosures and purposes. Background of the invention [0004] Cancer detection, including precancerous cells and early cancer cells, has long been a difficult and uncertain process. One way to identify cancer cells is to measure the autofluorescence signal of the cells, since cancer cells have a different autofluorescence sign...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B1/24A61B1/06A61B1/00A61B5/00
CPCA61B1/043A61B5/0088A61B1/24A61B1/06
Inventor 特伦斯·J·吉尔胡利彼得·怀特黑德
Owner LED MEDICAL DIAGNOSTICS
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