This puncture needle is a medical puncture needle in which a blade face is formed at the tip of a rod-like body. The blade face includes: a first blade face part that extends so as to incline with respect to the central axis of the body； and a second blade face part that forms a blade edge one end of which is a needle tip by the ridge line that intersects the first blade face part. The first blade face part is configured from a recessed surface having a recessed shape in a lateral surface view of the body in which the first blade surface part looks linear.本發明提供一種具有無關刃面長而能夠縮小刃尖角度的刃面形狀的穿刺針及包含穿刺針的導管組合體，該穿刺針係於棒狀的一本體部的前端部形成有一刃面的醫療用穿刺針，該刃面包含一第一刃面部及一第二刃面部，該第一刃面部係相對於該本體部的一中心軸線傾斜而延伸，該第二刃面部係形成於該第一刃面部的背側，且藉由與該第一刃面部交錯的稜線而形成以一針尖作為一端的一刃緣，其中該第一刃面部，係由一凹形面所構成，該凹形面係在該第一刃面部為線狀而視之時的該本體部的側面視角下為凹形狀。
