Meibomian gland imaging system

An imaging system and meibomian gland technology, applied in the field of medical devices, can solve the problems of increased diagnosis of diseases, visible light interference of blood vessels, inability to distinguish meibomian glands, etc., and achieve the effect of convenient observation

Inactive Publication Date: 2013-02-13
SUZHOU SIHAITONG INSTR
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

At present, the meibomian glands are usually imaged and photographed by infrared rays, and the disease is found from the photos to prevent or treat eye diseases; however, many blood vessels and other visible light interference can be seen on the pictures of the meibomian glands taken now. The meibomian glands cannot be clearly distinguished, which makes it more difficult to judge the disease

Method used

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  • Meibomian gland imaging system

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Embodiment Construction

[0011] Such as figure 1 A meibomian gland imaging system shown includes a magnifying lens assembly 2, an infrared camera 5 is arranged at the rear end of the magnifying lens assembly 2, and an annular infrared emitting device 1 is provided at the front end of the magnifying lens assembly 2, and the emitted infrared rays The wavelength is 25-1000 μm, and an infrared filter 3 is provided between the extender lens assembly 2 and the infrared camera 5 . A polarizer 4 is arranged between the magnifier assembly 2 and the infrared camera 5 ; the infrared camera 5 is connected to a computer 6 .

[0012] The infrared filter 3 can also be arranged at the front end of the extender assembly 2 , and the polarizer 4 can also be arranged at the front end of the extender assembly 2 .

[0013] When in use, infrared rays are emitted to the eyelid plate through the annular infrared emitting device 1, and the emitted infrared rays pass through the extender lens assembly 2, and then other light r...

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Abstract

The invention relates to a meibomian gland imaging system which comprises a converter assembly. An infrared camera is arranged at the rear end of the converter assembly. An annular infrared emitting device is arranged at the front end of the converter assembly. An infrared optical filter is arranged at the front end of the converter assembly or between the converter assembly and the infrared camera. Due to adoption of the preceding mode and structure, when a picture of a meibomian gland is shot, vessels on an eyelid plate can be filtered out in the picture, the meibomian gland can be clearly presented, and accordingly a doctor can conveniently observe and diagnose.

Description

technical field [0001] The invention relates to the medical equipment industry, in particular to a meibomian gland imaging system capable of taking pictures of the eyelids. Background technique [0002] The meibomian glands are buried in the upper and lower tarsus, and their openings are located on the eyelid margins. The lipid secretions discharged form the surface layer of tears, and the lipid components can prevent excessive evaporation of tears. Defective meibomian glands can cause dry eyes, a very common eye condition, and can also cause blepharitis, an inflammation of the skin at the edge of the eyelids that usually affects both eyes. If the meibomian glands become infected May become meibomianitis. Obstructions in the meibomian glands can be broken down by bacterial lipolytic enzymes, releasing fatty acids that can irritate the eye and sometimes cause keratitis. Therefore, the health of the meibomian glands can ensure the health of the eyes, so it is necessary to ch...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B3/15
Inventor 沈激张晓峰姚晓明
Owner SUZHOU SIHAITONG INSTR
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