Patent ID: 11026668

Abstract:
A method for fetoscopic surgery using a collapsible medical device for occluding an opening includes a tubular woven metal fabric composed of braided metal strands, said woven metal fabric having an expanded preset configuration comprising an hourglass-shaped element and a waist element at a midpoint, wherein each end of the hourglass-shaped element has a diameter of about 5 mm, wherein the waist element has a diameter that is less than a diameter of each end of the hourglass-shaped element, said woven metal fabric further includes a bulbous element coupled to one end of the hourglass-shaped element via a shaft, wherein the woven metal fabric is deformable to a lesser cross-sectional dimension for delivery through a channel in a patient's body to said opening, and the woven metal fabric having a memory property whereby the medical device returns to said expanded preset configuration when unconstrained.