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Apparatus and method for cleaning teeth

  • US 6,375,459 B1
  • Filed: 08/07/2000
  • Issued: 04/23/2002
  • Est. Priority Date: 03/26/1998
  • Status: Active Grant
First Claim
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1. An apparatus for cleaning a surface, the apparatus comprising:

  • a hand-holdable housing having a base component and a head component, the head component detachably coupled to the base component at a proximal end and also having a distal end;

    a flexible membrane retaining a cleaning fluid composition within the head component of the housing;

    a pump drive mechanism disposed within the base component of the housing for driving the flexible membrane, the membrane having a substantially planar dimension the pump drive mechanism and the flexible membrane comprising a pump, in such a manner as to impel the cleaning fluid composition toward the surface and to return the cleaning fluid from the vicinity of the surface to the head component.

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