| 摘要 |
A cannula-needle (1 ) with a protective member (8) comprising: A needle holder (2) that holds a needle (3) which is designed to be coaxially coupled with a cannula (4) for making an injection into a blood vessel and has a stem (3b) having a longitudinal axis (A), a distal tip (3a) and transverse engagement means (9) in the proximity of said tip (3a); a cannula holder (5), with said cannula extending from a distal end thereof, and with an inner cavity (6) mating with said needle holder (5), and having inner walls (7) formed at the opposite proximal end (6); a protective member (8) for protecting said needle tip (3a), and movable from a disabled position to an enabled position in which it is irreversibly placed beyond the needle tip (3a) after the use of the cannula-needle, said protective member (8) being housed between said walls (7) of said inner cavity in said disabled position, when in said disabled position. |
