| 摘要 |
"Multifunctional bristle" means that said bristle simultaneously effects several actions. In particular, this is obtained by giving to said bristle a suitable shape. The anti-traumatic multifunctional bristle (10, 20) object of the present invention is characterized by the fact that it presents a step structure, wherein said step structure can consist of a plurality of cylinders (11, 12, 13) or cones (21, 22, 23). |
