A medical connector of the present invention is a medical connector having a medical instrument connecting part communication passage which is partitioned by a housing and a valve body and guides a fluid from a first medical instrument connecting part to a second medical instrument connecting part, wherein the male connector connecting part , The head portion of the valve body is pushed in while shrinking and deforming the trunk portion to insert the male connector into the male connector connecting portion from the male connector connecting portion only through a gap formed between the head portion and the housing And leads the fluid to the medical instrument connection part communication passage.本発明の医療用コネクタは、ハウジング及び弁体によって区画され、第１医療器具接続部から第２医療器具接続部まで流体を導く医療器具接続部連通路を備える医療用コネクタにおいて、オスコネクタ接続部へのオスコネクタの挿入にて、前記弁体の頭部が胴部を収縮変形させつつ押し込まれることで前記頭部と前記ハウジングとの間に形成される隙間のみを通じて、前記オスコネクタ接続部から前記医療器具接続部連通路まで流体を導くことを特徴とするものである。
