Patent ID: 7828818
Filing Date: 2010-11-09
Classification: A61B

Abstract:
1. A heart septal defect occlusion device, comprising: a right disc made from an interwoven metal mesh, the metal mesh having a plurality of openings; a left disc comprising at least two skeletons that are covered by a membrane, with each skeleton passing through some openings of the metal mesh to interlock the right and left discs, wherein the left disc is different from the right disc, wherein each skeleton has a U-shaped middle segment, with the skeletons forming a left disc plane after being assembled together, with the left disc plane covered by the membrane; wherein a portion of the right disc lies in the left disc plane, with the U-shaped middle segments interlocked with the metal mesh of the right disc; and wherein the right and left discs are individual components that can deploy completely after releasing to avoid forming a cucurbit shape.