A - Human Necessities – 61 – C
Patent
A - Human Necessities
61
C
A61C 17/16 (2006.01) A61C 17/22 (2006.01)
Patent
CA 2649594
The invention relates to a device for cleaning teeth. The invention relates particularly to a hand piece in an electric teeth cleaning device comprising a coupling part for coupling various cleaning tools, a drive mechanism for driving the coupled cleaning tools and a control device for controlling the drive mechanism. The invention also relates to said cleaning tools. According to the invention, the hand piece contains an electronic operating lock device which is released only when the cleaning tool is coupled to the hand piece by a coded releasing element disposed on the cleaning tool.
Hilcher Alexander
Reick Hansjoerg
Schwarz-Hartmann Armin
Stratmann Martin
Trawinski Peter
Braun Gmbh
Macrae & Co.
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