| 摘要 |
PROBLEM TO BE SOLVED: To provide a puncture needle easy to use and to form capable of preventing the generation of a core ring by a chip of a plug. SOLUTION: This hollow puncture needle comprises a first puncture part 1 to puncture a living body, a second puncture part 2 having an edge part 6 for puncturing the plug 26 for blocking the mouth part 25 of a vessel 20 storing medical solution W therein formed at the end part; and a base part 3 provided between the first puncture part 1 and the second puncture part 2 and engaged with the mouth part 25 of the vessel 20, wherein the medical solution W introduced through the medicine inlet port 5 of the second puncture part 2 is discharged from the discharge port of the first puncture part. The second puncture part 2 comprises a bent part 7 constituted so that the blade part 6 is displaced radially in relation to the central axis of the first puncture part 1. |
