| 摘要 |
The nail has a solid rod (1) of cylindrical section with a bent end (1a) having a spatula-shaped profile (1b), where a flattened region (1c) is provided over the entire length of the rod. The flattened region is formed in the extension of the bent end of the rod, where the flattened region is formed on a convex side of the bent end or a concave side of the bent end. The solid rod with the cylindrical section is made out of steel or titanium. |
