Medical hole closure device and methods of use
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United States of America Patent
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-
Nov 2, 1999
Grant Date -
N/A
app pub date -
Dec 15, 1997
filing date -
Dec 15, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A hole closure device for use in medical applications, especially in treating cardiac septal defects, is provided that seals a hole by exerting pressure on an interior edge of the hole. The device includes a flexible tube that extends through a hole, and has an expansion ring disposed within it adjacent to the tissue on either side of the hole. The expansion rings, which have deployed diameters larger than that of the hole, cause the material of the tube in a mid-region of the tube to contact and conform to the interior edge of the hole. Methods for deploying the hole closure device to correct septal defects are also described.
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