| 摘要 |
PURPOSE:To provide a medical piercing tool capable of being safely pierced into a body cavity. CONSTITUTION:A medical piercing tool is provided with a constituted of a mantle tube 1 and an inner needle 2, and at least the tip piercing section 18 of the needle 2 is divided into multiple needle sections 5, 6 so that at least one of them can be moved and operated along the longitudinal axis direction. The needle sections 5, 6 on one side are pierced first, then the other needle sections 5, 6 can be easily pierced. |
