| 摘要 |
The present invention relates to a device for brushing teeth. It consists of an cylindrical injection unit 1 including the toothbrush 2 with its cylindrical base 12 held inside the unit 1; and, finally, of the reservoir of toothpaste 3 in the form of a cylindrical cartridge screwed to the base of the injection unit 1. Injection is effected via a piston 11 actuated by an endless screw 10 or, alternatively, by a piston-pusher marked with metered amounts on the outer wall of the reservoir 3 of toothpaste. The device according to the invention is intended particularly for children and elderly people. <IMAGE>
|
