Amnio opening occlusion device with removal element

A method for performing minimally invasive fetal surgical procedures in a patient, the method comprising:

• a) providing a collapsible medical device comprising:
• a tubular woven metal fabric comprised of a plurality of braided metal strands, said woven metal fabric having an expanded preset configuration comprising an hourglass-shaped element and a waist at a midpoint of the hourglass-shaped element, and wherein said woven metal fabric is configured to inhibit cell ingrowth when implanted in the patient;
• wherein each end of the hourglass-shaped element has a diameter of about 5 mm;
• wherein the waist has a diameter that is less than a diameter of each end of the hourglass-shaped element;
• said expanded preset configuration of said woven metal fabric further comprising 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 the patient's body to said opening used for fetoscopic surgery;
• and
• the woven metal fabric having a memory property whereby the medical device returns to said expanded preset configuration when unconstrained;
• b) inserting a delivery tube into an opening used for fetoscopic surgery in the patient's body;
• c) moving the medical device in a retracted state through the delivery tube and into the opening;
• d) inserting the medical device in a deployed state into the opening, thereby occluding said opening;
• e) removing the delivery tube from the patient's body;
• and
• f) using the bulbous element to remove the medical device from the opening and the patient's body.

A method for performing minimally invasive fetal surgical procedures in a patient, the method comprising:

• a) providing a collapsible medical device comprising:
• a tubular woven metal fabric comprised of a plurality of braided metal strands, said woven metal fabric having an expanded preset configuration comprising an hourglass-shaped element and a waist at a midpoint of the hourglass-shaped element, and wherein said woven metal fabric is configured to inhibit cell ingrowth when implanted in the patient;
• wherein each end of the hourglass-shaped element has a diameter of about 5 mm;
• wherein the waist has a diameter that is less than a diameter of each end of the hourglass-shaped element;
• said expanded preset configuration of said woven metal fabric further comprising a bulbous element coupled to one end of the hourglass-shaped element via a shaft, wherein said bulbous element is configured for grabbing with forceps;
• wherein the woven metal fabric is deformable to a lesser cross-sectional dimension for delivery through a channel in the patient's body to said opening used for fetoscopic surgery;
• and
• the woven metal fabric having a memory property whereby the medical device returns to said expanded preset configuration when unconstrained;
• b) inserting a delivery tube into an opening used for fetoscopic surgery in the patient's body;
• c) moving the medical device in a retracted state through the delivery tube and into the opening;
• d) inserting the medical device in a deployed state into the opening, thereby occluding said opening;
• e) removing the delivery tube from the patient's body;
• and
• f) using the bulbous element to remove the medical device from the opening and the patient's body.