Patent ID: 8029278

Claim:
An intra-oral device for effecting an oral treatment, comprising: a mouthpiece having a curvature, the mouthpiece having a cross-section indicative of a H shape so as to have first and second recessed portions that extend in opposite directions from each other, the first recessed portion being configured to accommodate at least part of an upper row of a person's teeth and the second recessed portion being configured to accommodate at least part of a lower row of the person's teeth simultaneously, the mouthpiece further having an inner portion adapted to be situated on a lingual side of teeth when situated in the first and second recessed portions, an outer portion adapted to be situated on a facial side of the teeth when situated in the first and second recessed portions, and a connecting portion that connects the inner and outer portions; a flexible circuit board within confines of the mouthpiece and likewise being curved to follow the curvature of the mouthpiece; a plurality of arrays of lamps electrically connected to the flexible circuit board, the lamps being spaced from each other within the arrays and the arrays being spaced from each other such that at least one array is arranged on a first side of the first and second recessed portions and at least one other array is arranged on a second side of the first and second recessed portions, the arrays extending alone a length of the mouthpiece alongside the first and second recessed portions, the lamps being configured to emit electromagnetic radiation during their operation, the lamps in the arrays of lamps on both the first and second sides of the first and second recessed portions being situated at least partly opposite the connecting portion; and light guiding structure arranged in the mouthpiece in a path of the electromagnetic radiation being emitted by each of the arrays of lamps to guide the electromagnetic radiation being emitted by each array of lamps into both the first and second recessed portions such that electromagnetic radiation from all of the lamps in the array of lamps on the first side of the first and second recessed portions is guided into both the first and second recessed portions from the first side thereof and electromagnetic radiation from all of the lamps in the array of lamps on the second side of the first and second recessed portions is guided into both the first and second recessed portions from the second side thereof, the light guiding structure being situated both above and below the arrays of lamps in both the inner and outer portions.