Expandable stent apparatus and method
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United States of America Patent
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Mar 14, 2006
Issued Date -
N/A
app pub date -
Jun 18, 2002
filing date -
May 2, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An expandable stent has a sheeted material which is expanded from a compacted configuration to an expanded configuration. The sheet is maintained in the compacted configuration at least in part by operation of a dynamic force, and the expansion occurs at least in part by removal of the dynamic force. In preferred embodiments, a biocompatible sheeted material is wrapped around a split reed grasper to produce a compacted configuration, and the split reed grasper is rotated to maintain the compacted configuration during insertion of the stent into a patient. The rotation is continued while the stent is positioned, and then the rotation is stopped or slowed to permit expansion of the sheet.
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