Power toothbrush brushhead with fluid-directing member

Details Power toothbrush brushhead with fluid-directing member Power toothbrush brushhead with fluid-directing member

A - Human Necessities

61

C

A61C 17/22 (2006.01)

Patent

CA 2548803

The brushhead includes a brushhead member which includes a bristle field, the brushhead member being adapted for cleaning teeth as part of a power toothbrush, wherein the brushhead in operation moves in a reciprocating action. In one embodiment the brushhead includes a rim member which extends around at least a substantial portion of the brushhead, the rim member extending around the entire bristle field and having an upper edge which is lower than the top of the bristles. The rim member has a different flexibility than the bristles so that the movement of the rim member and the bristles is out of phase during operation of the toothbrush, which results in fluid from the bristles being directed toward the teeth during operation of the toothbrush.

Cette tête de brosse comprend un élément de tête faisant partie d'une brosse à dents électrique, ledit élément comportant une zone de poils et étant conçu pour nettoyer les dents. En cours de fonctionnement, la tête de brosse se déplace selon un mouvement alternatif. Dans un mode de réalisation, la tête de brosse comprend une bordure qui s'étend au moins autour d'une partie importante de ladite tête et autour de la totalité de la zone de poils, cette bordure présentant une limite supérieure plus basse que le sommet des poils. La flexibilité de la bordure n'est pas égale à celle des poils, de sorte que le mouvement de la bordure ne coïncide pas avec celui des poils lorsque la brosse électrique est utilisée. En conséquence, le fluide provenant des poils est dirigé vers les dents au cours du fonctionnement de la brosse électrique.

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