| 摘要 |
The present invention relates to a puncture needle device, mainly for a closed system introduction of a catheter into a blood vessel, consisting of a needle (1) and a body (2). It can also be used for introducing pacemaker electrodes, guide wires or the like. The device according to the invention consists of a needle (1) and a body (2), wherein said body (2) is provided with two tubes (4, 5), each being arranged at the end of a duct (9, 12). A catheter duct (9) is connected to the passage (7) of the needle (1) via smooth surface, meanwhile a syringe duct (12) includes an acute angle with the passage of the needle (1). The catheter duct (9) contains a lock element (11) between the catheter tube and the intersection of the ducts (9, 12). The device is preferably provided with a catheter holder consisting of plates, wherein the lower part of the holder is a single plate and the upper part thereof is made of two foldable plates. |
