Plugging device and plugging system

The invention provides a plugging device which is used for plugging defects in a vasculature, the plugging device comprises a first plugging disc and a second plugging disc which are connected with each other, the first plugging disc comprises a first supporting framework, and the first supporting framework comprises a plurality of supporting pieces arranged in the circumferential direction of the first plugging disc; the plurality of supporting pieces comprise a first supporting piece and a second supporting piece which are adjacently arranged, the first supporting piece comprises a plurality of strands of first weaving wires, and the second supporting piece comprises at least one strand of second weaving wires; at least part of the second weaving wires in the second supporting piece are inserted into first gaps formed among the multiple strands of the first weaving wires in a penetrating mode. The invention further provides a plugging system provided with the plugging device. 本发明提供了一种封堵器，用于封堵脉管系统中的缺损，所述封堵器包