COVERED STENT

The present disclosure provides a covered stent. The covered stent has a hollow tubular structure provided with openings at two ends, and includes a main body stent, a window being arranged in a surface of the main body stent. The covered stent further includes an internal covering film; an edge of the internal covering film is connected to the main body stent, and a through hole communicating with an inner cavity of the covered stent is also formed in the internal covering film. The covered stent further includes a window supporting member, the window supporting member being arranged outside the internal covering film and protruding outwardly from a surface of the internal covering film. The covered stent of the present disclosure can effectively isolate the aortic dissection and aortic aneurysm involving a branch artery of the aorta, effectively reconstruct the blood circulation of the branch artery and avoid long-term ischemia of the branch artery, has low operation difficulty, and can be applied to emergency treatment without customization.