| 摘要 |
PROBLEM TO BE SOLVED: To provide a needle-like member that can satisfy both contradictory requests of superior puncture properties and suppression of a bend of a tip, and provide a puncture instrument having the needle-like member.SOLUTION: A needle-like member includes a plate-like base having a first surface and a second surface opposed thereto, and a needle integrally projecting along the in-plane direction of the base. The needle has an apex, a tip with a width in the lateral direction gradually increasing from the apex toward the base part, and a needle body continued to the tip and having substantially the same width in the lateral direction. The tip has a first inclination side and a second inclination side. A first tip angle formed by a straight line passing through a first point and a second point on the first inclination side and the second inclination side is 10° or less. A second tip angle formed by a straight line passing through a third point and a fourth point on the first inclination side and the second inclination side is 20° or more.SELECTED DRAWING: Figure 1 |
