PROBLEM TO BE SOLVED: To provide a blood vessel occlusion and a drug delivery device. SOLUTION: An inner expandable member 210, an outer drug delivery component 220 provided with a drug injectable layer 221 and coupled with the inner expandable member, and an expandable tube configured to flip the inner expandable member. A vascular delivery device comprising an elongated member with a cavity and a hub with an inlet and a vent, the inlet is fluid communicating with an outer drug delivery component through the infusion lumen, and the vent is A vascular delivery device that fluidly communicates with the outer drug delivery component through a ventilation cavity. [Selection diagram] FIG. 2B【課題】血管の閉塞及び薬物送達装置を提供する。【解決手段】内側拡張可能部材２１０と、薬物注入可能層２２１を具備し内側拡張可能部材と結合された外側薬物送達構成要素２２０と、内側拡張可能部材を裏返すように構成された拡張可能な管腔を具備する細長部材と、注入口及び通気口を具備するハブとを具備する血管送達装置であって、注入口は注入管腔を介して外側薬物送達構成要素と流体連通し、通気口は通気管腔を介して外側薬物送達構成要素と流体連通する、血管送達装置。【選択図】図２Ｂ
