“…In this therapy, occluders need to be transported to the lesion site through a catheter and precisely deployed to block abnormal shunts of blood. At present, the widely used occluders are mainly made from nondegradable nitinol (Ni–Ti) alloys as support frames and polyethylene terephthalate (PET) fabric films as occluder membranes. , However, the lifelong presence of such a nondegradable implant can lead to long-term foreign body response and serious complications. − Additionally, patients need to take anticoagulant drugs for a long time to prevent thrombosis, which increases the economic burden and also has the risk of bleeding. , …”