The present invention comprises a seat member which is disposed with the sealing surfaces sealing unit , and around openings of the through-passage having a movable closure member which is connected to the biasing means , a valve assembly for sealing the through-passage of the catheter introducing device , the biasing means , to prevent the flow of fluid through the valve , is arranged to abut against the sealed type the sealing surface the closure member in response to a closed position , on the valve assembly . The invention also relates to a catheter introducer assembly comprising a valve assembly . [ Selection Figure ] Figure 6A本発明は、付勢手段に接続した可動閉鎖部材を有する密封ユニット、及び貫通路の開口周りに密封面と共に配置した座部材を備える、カテーテル導入デバイスの貫通路を密封する弁組立体であって、付勢手段は、弁を通って流体が流れるのを防止するように、閉鎖位置に対応して閉鎖部材を密封面に密封式に当接させるように配置される、弁組立体に関する。本発明は、弁組立体を備えるカテーテル導入器組立体にも関する。【選択図】 図6A
