| 摘要 |
<p>The invention relates to a toothbrush meant to wash and treat the buccal cavity. According to the invention, the toothbrush consisting of a detachable threaded hollow head, provided with small bristles tufts and crossed by an axial channel for passing the toothpaste from a tank-handle, by displacing a piston actuated by a screw, is characterized in that the small bristles tufts (2) are interleaved with some elastic cilia, having the top edge provided with cogs (5), having the geometry of a hyperboloid and being crossed, from bottom to top, by an axial channel (4) wherethrough the toothpaste is pushed from inside the toothbrush head to the teeth surface, by passing through a lateral orifice (8) provided in the threaded area of the toothbrush head, under the action of a piston (11) displaced by means of a screw (12) which is axially crossed by a channel (4) for passing the water or the washing liquid, the screw being provided, at the exterior end, with an actuation button (13), and, at the interior end, with an eccentric orifice (16) and which, in the position of use, is coaxial with the axial channel (7) of the toothbrush head.</p> |
