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Light shields for skin examination lamps and skin examination lamps with light shields

A technology for inspection lamps and hoods, which is applied in the field of medical diagnosis, can solve problems such as inconvenient use of skin inspection lamps, and achieve the effects of simple structure, convenient use, and convenient manufacturing process

Active Publication Date: 2016-03-30
SHANGHAI SIGMA HIGH TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Generally, it should be used in a dark room or a place with weak external light, which brings inconvenience to the use of skin inspection lamps

Method used

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  • Light shields for skin examination lamps and skin examination lamps with light shields
  • Light shields for skin examination lamps and skin examination lamps with light shields
  • Light shields for skin examination lamps and skin examination lamps with light shields

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Such as figure 1 , figure 2 with image 3 As shown, 1 is the installation part, and the installation part is a groove, which matches the convex groove on the skin examination lamp, so that the hood is fixed on the skin examination lamp; 2 is the inspection port of the hood, and the inspection port is larger than The installation port at one end of the skin inspection lamp, the diameter of the inspection port is 150mm. This caliber can be used for examination of skin lesions on the back or legs.

Embodiment 2

[0035] Such as Figure 4 with Figure 5 As shown, 1 is the installation part, and the installation part is a groove, which matches the convex groove on the skin examination lamp, so that the hood is fixed on the skin examination lamp; 2 is the inspection port of the hood, and the inspection port is larger than The installation port at one end of the skin inspection lamp, the diameter of the inspection port is 60mm. This caliber can be used for the inspection of facial skin lesions.

Embodiment 3

[0037] In this embodiment, the shading cover of the present invention further includes a light detection module configured to detect the intensity of external light entering the shading cover. Such as Figure 9 As shown, the light detection module includes a photoresistor, a resistance adjustment circuit, a signal conversion circuit, a signal processing circuit and a light intensity indicating circuit, and its working process is as follows:

[0038] The photoresistor changes its resistance value according to the intensity of the external light it receives into the hood, the signal conversion circuit converts the resistance value into a voltage signal, and inputs the voltage signal into the signal processing circuit for processing, and the signal processing circuit outputs the control signal accordingly The signal is sent to the light intensity indicating circuit, and the light intensity indicating circuit correspondingly outputs a light intensity indicating signal to indicate ...

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PUM

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Abstract

The invention discloses a lens hood for a skin check lamp. The lens hood comprises a hood body and an installing part installed on the skin check lamp. The hood body comprises two openings, and the two openings are respectively the installing opening formed in the skin check lamp and the check opening for being attached to checked skin for check. The lens hood is characterized in that the height of the hood body is the same as the skin check lamp in focal distance. The invention further discloses the skin check lamp with the lens hood. The lens hood is simple in structure, the manufacturing process is convenient to conduct, the problem that the skin check lamp must be used in a darkroom is solved, convenience is brought to doctors and patients, and capacity and accuracy of skin check lamp check and skin disease diagnosis are improved. The lens hood and the skin check lamp have high application value in the fields of skin check and diagnosis due to the advantages.

Description

technical field [0001] The invention relates to the field of medical diagnosis, in particular to a shading cover for a skin inspection lamp and a skin inspection lamp with the shading cover. Background technique [0002] Skin inspection lamp (Wood lamp) was invented by American physicist Wood in 1903. It was first used in dermatology in 1925 as a practical medical tool for the diagnosis of fungal infections of the hair. At that time, the Wood lamp used a high-pressure mercury lamp as the emission light source, and emitted light waves with a wavelength of 320nm to 400nm through a barium silicate filter (called Wood filter) containing 9% nickel oxide, and its peak was at 365nm. Later, ultraviolet fluorescent lamps were used as the light source for skin examination lamps, and now the emergence of LEDs provides a new light source for skin examination lamps. [0003] Melanin in the epidermis and dermis and collagen in the dermis can emit blue light-based fluorescence after abso...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/00
Inventor 吴昌琳
Owner SHANGHAI SIGMA HIGH TECH