BRUSH HEAD FOR A SONIC OR ULTRASONIC TOOTHBRUSH AND TOOTHBRUSH

摘要

The invention relates to a brush head with an integrated ultrasonic transducer and with a plurality of bristle tufts that are arranged on a baseplate and can be caused to vibrate by the ultrasonic transducer during operation, wherein the bristle tufts are arranged in a plurality of substantially parallel rows aligned symmetrically relative to a central longitudinal axis or central plane of the baseplate, wherein a first row and at least one second row are provided in the transverse direction as viewed from the central longitudinal axis or central plane, and wherein all bristle tufts of a row are the same length. Such a The brush head is to be improved so that a particularly thorough and reliable cleaning of the teeth is possible when a fixedly installed brace is present. For this purpose, the bristle tufts of the second row are designed according to the invention to be longer than the bristle tufts of the first row.

主权项

1. A brush head for a sonic or ultrasonic toothbrush, comprising:
an ultrasonic generator and a plurality of bristle bundles, which are arranged on a base plate and during operation are set into oscillations by the ultrasonic generator, the plurality of bristle bundles being arranged in a plurality of rows oriented essentially parallel and symmetrical to a middle longitudinal axis of the base plate, at least one first row of bristle bundles and thereon adjoining at least one second row of bristle bundles provided in a crosswise direction to the middle longitudinal axis, the plurality of bristle bundles in each row being of a same length or essentially the same length, the plurality of bristle bundles of at least one second row of bristle bundles being longer than the plurality of bristle bundles of the at least one first row of bristle bundles.