| abstract |
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 |