US Patent 7401373 Powered toothbrush with associated oral solution dispenser mechanism

An oral solution dispenser apparatus for attachment to a powered toothbrush handle having a drive coupling mounted thereon, includes a housing adapted for attachment to the handle, the housing having a recess therein for receiving a cartridge containing the oral solution, a pump disposed in the housing for moving the oral solution from the cartridge, and an outlet nozzle extending from the housing and adapted to permit movement of the oral solution from the pump and from the housing. A head having bristles thereon is adapted to interconnect with the handle drive coupling and the housing outlet nozzle, to facilitate powered movement of the bristles and movement of the oral solution from the outlet nozzle to proximate the bristles.