| 摘要 |
The invention relates to a device characterised in that it consists of a needle formed by a full rod (10) of a rigid and biocompatible material, having a length of between approximately 80mm and 130mm and a diameter of between approximately 1.5 and 3mm, said rod (10) having a first so-called proximal part (1) with a smooth or substantially smooth outer surface, juxtaposed with a second so-called distal part (2), provided with at least one protruding element (3). |
