| 摘要 |
<p>The toothbrush can be of any suitable design and fitted with a straight, bent, or elastic handle (9) and with bristles of the same length or arranged in groups of different lengths (5, 17, 27). A toothpaste container (20) is either integrated in or attached to the handle (9) and operated with a suitable mechanism. All parts can be exchanged with other units if required. The outlet (7) between the bristles (5, 17, 27) can be closed after an appropriate amount of toothpaste (2) has been released by switching a button (4).</p> |
