Device for Measuring and Analysing the Colour of the Outer Ear and Ear Canal
The present invention concerns a device for measurement and analysis of the middle ear and ear channel colour. This device allows thus automatic patient middle ear colour measurement and intends to be auxiliary equipment for health professionals in the diagnosis of ear infections. The device is composed of a standard otoscope (1), modified to include two optical fiber (2a and 2b) : one for ear illumination and another which returns the reflected light. The electronic unit (3) can change linearly the power of emitted light, as well as, its colour (by combining the intensity of green, blue and red). The received light is also independently measure, according to the three components, thus enabling the determination of changes on colour and texture, normally associated with the ear inflammations.; Command buttons in the otoscope handler (4) enable the user to save the values of the three colour components. The combined value of the components is shown in the digital display (5) of the electronic unit, as well as, by a set of LEDs (6) green, yellow and red that gives a diagnosis in a simple and immediate way. The otoscope allows, simultaneously, directly ear view through a magnifying glass (7) applied in the head of the otoscope, with a standard white light. This device is useful when it is necessary to evaluate the colour, particularly in the areas of medicine, veterinary and food industry.
MAGALHAES MENDES JOAQUIM GABRIEL [PT]; MATOS REIS JORGE MANUEL [PT]; RIBEIRO DA SILVA TAVARES JOAO MANUEL [PT]; COSTA ALVES DE O
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