Barrier device for covering the ostium of left atrial appendage
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United States of America Patent
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-
Nov 25, 2003
Issued Date -
N/A
app pub date -
Aug 18, 2000
filing date -
Oct 27, 1999
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A membrane applied to the ostium of an atrial appendage is disclosed. The membrane prevents blood clots in the atrial appendage from escaping therefrom and entering the blood stream which can result in a blocked blood vessel, leading to strokes and heart attacks. The membrane may be permeable or impermeable with respect to blood flow. The membrane is configured to extend over the ostium of the left atrial appendage. The membrane has an outer periphery with a dimension larger than a corresponding dimension of the ostium. Securement means is provided to secure the outer periphery of the membrane in direct engagement with the atrial wall surrounding the ostium. The securement means may located between the membrane and the atrial wall, or the securement means may extend distally from the membrane through the ostium.
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