Patent ID: 8784469

Claim:
A system for occluding a left atrial appendage, the system comprising: a vacuum tube defining a vacuum tube lumen therethrough, the vacuum tube having a suction flange at its distal end; a catheter configured for introduction into a mammalian blood vessel and advancement to a left atrium, the catheter comprising an elongated tubular body defining a central lumen therethrough and further comprising a balloon configured for inflation and deflation, the central lumen configured to slidably receive the vacuum tube therein; and a double stent assembly configured for placement upon the balloon, the double stent assembly comprising an outer scaffold configured for expansion and to be anchored within an interior of a left atrial appendage, and an inner scaffold positioned within the outer scaffold and configured for expansion within the outer scaffold and further configured to receive and engage a distal portion of the left atrial appendage after inversion of the distal portion of the left atrial appendage.