A needle member according to an embodiment of the present disclosure is a metal tube part that partitions a hollow part, and extends along the axial direction of the tube part in the hollow part to partition the hollow part into a plurality of spaces and the tube part. And a reinforcing portion for reinforcing.本開示に係る針部材は、中空部を区画する金属製の管部と、前記中空部において前記管部の軸方向に沿って延在し、前記中空部を複数の空間に仕切ると共に前記管部を補強する補強部と、を備える。
