Method of reversibly closing a septal defect
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United States of America Patent
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-
Feb 15, 2000
Issued Date -
N/A
app pub date -
Dec 22, 1998
filing date -
Mar 22, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
A catheter delivered device to close a septal defect, the device comprising a cylindrical shaft of metal or polymeric material with concentric parallel cuts through the wall of the device which create flattened support struts. The center of the support struts move radially away from the axis in a hinge like fashion in response to the movement of the device's proximal and distal ends toward the center of the device. This movement is reversibly effected through mechanical means. The device can be coated with growth factors, mitogenic factors or other determinants which can improve tissue growth such that tissue ingrowth can occur over a period of time. The catheter itself may be an ultrasonic imaging catheter.
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