Removable biliary stent
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United States of America Patent
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Jan 25, 2011
Issued Date -
N/A
app pub date -
Sep 30, 2003
filing date -
Nov 5, 2002
priority date (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 generally and a biliary stent in particular 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 radial forces. An exemplary embodiment also provides a family of stents with novel interstice configurations that facilitate flexibility, durability and/or proper installation. Additionally, the biliary stent in accordance with the present invention provides enhanced flow mechanics to ensure the adequate clearance of viscid fluids such as bile.
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