Problem to be solved: to provide a medical connector and an infusion set capable of suppressing the falling of the elastic valve body from the housing at the time of insertion of the male connector.Solution: the housing includes a housing for partitioning an insertion opening into which the male connector can be inserted, and an elastic valve body for closing the insertion opening, and the housing is in contact with the bottom surface of the elastic valve body and the bottom surface opposite to the top surface of the elastic valve body The elastic valve body is provided with a clamping portion to be sandwiched, and the elastic valve body is provided with a holding portion sandwiched by the clamping portion, a peripheral portion located outside of the holding portion in the radial direction, and a center in which the slit is formed in the radial direction of the holding portion DepartmentThe housing includes a housing space for accommodating the peripheral portion, and at least one of a convex portion and a concave portion abutting the peripheral portion is provided on the inner wall of the accommodation space.Diagram【課題】オスコネクタの挿入時における弾性弁体のハウジングからの脱落を抑制可能な医療用コネクタ及び輸液セットを提供する。【解決手段】オスコネクタを挿入可能な挿入開口を区画するハウジングと、前記挿入開口を閉塞する弾性弁体と、を備え、前記ハウジングは、前記弾性弁体の天面及び前記天面の反対側の底面、に接触して前記弾性弁体を挟持する挟持部を備え、前記弾性弁体は、前記挟持部により挟持されている被挟持部と、前記被挟持部よりも径方向の外側に位置する周縁部と、前記被挟持部よりも径方向の内側に位置し、スリットが形成されている中央部と、を備え、前記ハウジングは前記周縁部を収容する収容空間を区画しており、前記収容空間を区画する内壁に、前記周縁部と当接する凸部及び凹部の少なくとも一方が設けられている。【選択図】図8
