The temporary fixing member has a first connector having a male connector portion having a male internal lumen portion and a first lock portion provided in a direction in which the connection direction to the male connector portion is parallel to each other, and a female connector part having a female side lumen portion and a female side lumen part A female connector portion which can be connected and a second lock portion which is provided so as to be parallel to the female connector portion, and is connectable to the first lock part, and is formed of an elastic material and is connected when the male connector part and the female connector part are connected to each other A member is temporarily fixed to a second connector having a seal member for holding the liquid tightness between the connector portions. This temporary fixing member is in the lock ready state before the male connector portion and the female connector portion are close to each other, and the first lock portion and the second lock part are in close proximity to each other, and the lock portions are locked, and the first connector and second A holding means is provided for temporarily holding the positional relationship with the connector temporarily.仮固定部材は、オス側内腔部を有するオスコネクタ部と、オスコネクタ部と接続方向が互いに平行となるように設けられた第1ロック部とを有する第1のコネクタと、メス側内腔部を有し、メス側内腔部にオスコネクタ部が接続可能なメスコネクタ部と、メスコネクタ部と接続方向が互いに平行となるように設けられ、第1ロック部が連結可能な第2ロック部と、弾性材料で構成され、オスコネクタ部とメスコネクタ部とが接続された際のこれらのコネクタ部同士の液密性を保持するシール部材とを有する第2のコネクタとを仮固定する部材である。この仮固定部材は、、オスコネクタ部とメスコネクタ部とが互いに近接し、かつ、第1ロック部と第2ロック部とが互いに近接し、それらのロック部同士がロック状態となる前のロック準備状態で、第1のコネクタと第2のコネクタとの位置関係を仮固定した仮固定状態を保持する保持手段を備えている。
