BODY FLUID COLLECTION DEVICE AND BODY FLUID COLLECTION METHOD

摘要

A body fluid collection part (18) has a contact member (98) detachably fitted to an end of a piercing device, and the contact member (98) has a center hole (102) in which a piercing needle can be inserted and also has a recessed part (104) formed on the outer peripheral side of the center hole (102) and recessed to the piercing device side. The recessed part (104) includes a concave surface (106) formed on the outer peripheral surface of the contact member (98) and also includes a tilted surface (108) formed between the concave surface (106) and the center hole (102) and tilted at a predetermined angle toward the center hole (102).