| 摘要 |
<p>The invention concerns a device for electrically connecting and electro-analgesia apparatus with a dental handpiece. Said device is characterised in that it comprises an intermediate connector (3c) whereof the front part is adapted to be connected on the active section (3a) of the handpiece and the rear part is adapted to be connected on the power supply section (3b) thereof, and said intermediate connector (3c) comprises a conductive element (2) whereof one internal end is electrically connected with the handpiece working instrument, and the other end forms an external terminal electrically connected to the electro-analgesia apparatus.</p> |
