The Cocoon Septal Occluder is used in transcatheter atrial septal defect closure. It is made of nitinol wires covered with platinum using nano fusion technology. The septal occluder is a self expandable, double disk device connected by a waist at the center of the discs. The discs are filled with polypropylene fabric to assist in thrombogenecity.
- Application: : atrial septal defect