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US 2012/0233791 A1Published application
Brush body and toothbrush
AssigneePanasonic Electric Works Co., Ltd.
InventorsSatoshi Uchida, Masayoshi Nagayama
Life of this patent
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Abstract
Provided is a brush body for selectively applying localized currents, for oral care, to oral interstices such as periodontal pockets. Said brush body has a plurality of bristle bundles in a brush head. A bristle bundle contains a bristle having a core and a sheath. The core comprises a conductive member and the sheath comprises an insulating member that covers that core. At the tip portion of the bristle, the core protrudes further than the sheath and acts as an electrode.
Claims10
A brush body comprising a plurality of bristle bundles on a brush head, wherein:
- the plurality of bristle bundles includes a bristle that includes a core, which is formed by a conductive member, and a sheath, which covers the core and is formed by an insulative member;
- and
- the core projects from the sheath at a tip portion of the bristle and functions as an electrode that energizes an oral cavity.
Dependencies are inferred from the claim text.