Patent ID: 6270343
Filing Date: 2001-08-07
Classification: A61C

Abstract:
A self-contained root canal heated condenser dental instrument, comprising:a hollow handle component for gripping and including a conductive path substantially from end to end;a removable closure mountable at one end of said handle and having a first terminal therein for connection to said conductive path;a battery power source seated inside the hollow of said handle and having a first terminal in contact with the first terminal of said closure;a switch mounted on said handle for selectively applying a second terminal of said power source to a balance resistor located inside said handle;a plugger component having a heat-dissipating resistive tip bonded to an extended portion and a pair of conductive leads internal to said extended portion and in contact with said tip, said plugger coPonent being insertable into another end of said handle such that said resistor makes electrical contact with one of said pair of conductive leads, and the other of said conductive leads completes a conductive circuit to said conductive path;whereby upon depression of said switch power is applied through said pair of internal conductive leads to generate heat at the heat-dissipating tip for heating, spreading and condensing root canal filling material when filling root canal cavities.