Device for nonoperatively occluding a defect
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United States of America Patent
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-
Dec 15, 1992
Grant Date -
N/A
app pub date -
Dec 3, 1991
filing date -
Apr 2, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The device of the invention is provided with a pair of patches each comprising a resilient, foldable annular frame and a piece of cloth stretched over and fixed to the frame. The patches are so arranged as to face each other across a gap and sewed together concentrically with a thread slightly inwardly of the outer circumferential edge thereof in such a manner that as the thread is pulled, the two patches are moved so as to approach each other.
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Cited Art Landscape
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