PROBLEM TO BE SOLVED: To provide a medical valve body which is easy to manufacture and has excellent durability. A medical valve body (40) for inserting and removing a long insert while maintaining liquid tightness. A through-hole which is made of a plate-like body having rubber elasticity and has a first surface P1 as an inlet surface of the long insert and a second surface P2 opposite to the first surface P1 and through which the long insert can be inserted and removed. A first valve portion 41 having one hole 41a, a third surface P3 that comes into pressure contact with the second surface P2, and a plate surface having rubber elasticity having a fourth surface P4 as an exit surface of the long insert. A second valve portion 42 having a second hole 42a formed of a body and capable of inserting and removing a long insert, the second hole 42a being arranged at a different position so as not to overlap the first hole 41a； Have. [Selection diagram] Fig. 1B【課題】製造が容易で、耐久性に優れた医療用弁体を提供すること。【解決手段】長尺挿入物を液密性を保持しつつ挿抜可能な医療用弁体４０である。長尺挿入物の入口面としての第１の面Ｐ１およびこれと反対側の第２の面Ｐ２を備えるゴム弾性を有する板状体からなり、長尺挿入物を挿抜可能な貫通孔である第１の孔４１ａを備える第１の弁部４１と、第２の面Ｐ２に圧接する第３の面Ｐ３および長尺挿入物の出口面としての第４の面Ｐ４を備えるゴム弾性を有する板状体からなり、長尺挿入物を挿抜可能な貫通孔であって第１の孔４１ａとは重ならないように異なる位置に配置された第２の孔４２ａを備える第２の弁部４２と、を有する。【選択図】図１Ｂ
