Patent ID: 8926635
Filing Date: 2015-01-06
Classification: A61B

Abstract:
1. A system for occluding a left atrial appendage of a patient, the system comprising: a ring occluder that can be positioned around the left atrial appendage; and a ring applicator to position the ring occluder with respect to the left atrial appendage, the ring applicator including a ring spreader with a spreader hinge coupled to a first end of an upper spreader jaw and to a first end of a lower spreader jaw, the upper and lower spreader jaws each terminating at a second end opposite the corresponding first end, the ring occluder coupled to the lower spreader jaw and the upper spreader jaw such that an outer edge of the ring occluder is positioned between the lower spreader jaw and the upper spreader jaw, the spreader hinge having a four-bar assembly and moving between an open position in which the ring occluder has a first diameter and a closed position in which the ring occluder has a second diameter, the first diameter being larger than the second diameter, wherein the upper spreader jaw between the corresponding first and second ends is substantially parallel with the lower spreader jaw between the corresponding first and second ends in the open position and in the closed position.