Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Arterial prosthesis – Stent structure
Reexamination Certificate
2011-01-25
2011-01-25
Truong, Kevin T (Department: 3734)
Prosthesis (i.e., artificial body members), parts thereof, or ai
Arterial prosthesis
Stent structure
Reexamination Certificate
active
07875068
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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Alexander Tony D.
Borg Ulf R.
Mangiardi Eric K.
Reynolds Jason M.
Merit Medical Systems Inc.
Stoel Rives LLP
Truong Kevin T
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