Differential covering and coating methods
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United States of America Patent
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Jun 14, 2011
Grant Date -
Jul 1, 2004
app pub date -
Nov 20, 2003
filing date -
Nov 5, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention, in an exemplary embodiment, provides a stent, which combines many of the excellent characteristics of both silicone and metal stents while eliminating the undesirable ones. In particular, a principal objective in accordance with the present invention is to provide a family of stents where the relative hardness/softness of regions of the stent can differ from other regions of the stent to provide additional patient comfort and resistance to compression forces. Exemplary embodiments provide a stent that is covered so as to provide certain predefined characteristics. In particular, a covered stent is provided that is coated internally such that the outer scaffolding surface of the stent has enhanced friction points while the internal surface exemplifies certain characteristics.
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