A septal defect closure device comprising a first member and a second member each comprising a self-expanding structure exhibiting a spring-like behavioural component for moving the member between a compressed orientation for passage through a medical instrument having an inner diameter and an expanded orientation having an enlarged diameter for tautly holding at least a portion of the closure device against a septum, the enlarged diameter of the member being greater than the inner diameter of the medical instrument; each of the first and second members also including a central portion, at least a substantial portion of the central portion of the first member being in communication with at least a substantial portion of the central portion of the first member. view more

The device of claim 1, wherein the first member in its compressed orientation extends primarily distally from the second member and the second member in its compressed orientation extends primarily proximally from the first member, each member in its expanded orientation extending primarily radially outward from its central portion. view more

The device of claim 1, wherein each of the first and second members comprises a flexible fabric disk.