BRIEF DESCRIPTION OF THE DRAWINGS [0014]FIG. 1 is a diagrammatic sectional view of a Patent Foramen Ovale (PFO) between the right atrium and the left atrium; [0015]FIGS. 2a and 2 b are a front elevational view and a side view, respectively, of a PFO closure clip according to a first embodiment of the present invention; [0016]FIGS. 3a and 3 b are side elevational views of the PFO closure clip of FI