Perforating injection needle for e.g. human body, has tubular body with end comprising primary bevel opposite to which secondary bevel is provided, where secondary bevel forms, with primary bevel, single incision edge and tip

摘要

The needle has a tubular body (1) comprising an end (2) connected to a rotative driving unit and to a product supplying unit and another end for penetration into the soft and hard tissues of a human or animal body. The latter end has a primary bevel (6) opposite to which a secondary bevel (8) is provided, where the bevel (8) forms, with the bevel (6), a single incision edge (11) and a tip (20) for the needle.