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US 6,994,092 B2Granted
Device for containing embolic material in the LAA having a plurality of tissue retention structures
Assigneeev3 Sunnyvale, Inc.
InventorsErik J. van der Burg, Dino De Cicco, Andrew G. C. Frazier, Alexander K. Khairkhahan, Marc S. Kreidler, Michael D. Lesh, Chad C. Roue
Life of this patent
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Abstract
Disclosed is an occlusion device for use in a body lumen such as the left atrial appendage. The occlusion device includes an occlusion member and a plurality of tissue retention structures. The tissue retention structures inhibits movement of the device from the left atrial appendage. Methods are also disclosed.
Claims12
A device for containing emboli within an atrial appendage of a patient, comprising:
- an expandable frame comprising a plurality of supports projecting distally from a proximal hub toward a distal end, wherein the supports comprise proximal sections adjacent to said proximal hub, wherein at least one of said proximal support sections curves distally, then proximally, and then distally toward said distal end;
- a membrane provided on said proximal sections of supports;
- and
- a plurality of tissue anchors provided on said supports for engaging tissue when the device is positioned in an atrial appendage.
1 more element
Dependencies are inferred from the claim text.