Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Arterial prosthesis – Stent structure
Patent
1998-03-31
2000-05-16
Coggins, Wynn Wood
Prosthesis (i.e., artificial body members), parts thereof, or ai
Arterial prosthesis
Stent structure
623 11, 623 12, 606191, A61F 206
Patent
active
060631112
ABSTRACT:
A vascular stent for opening blood vessel occlusions and for providing support to damaged areas of blood vessel sites includes a proximal end defining a first lumen opening. The helical stent is constructed from a resilient material and has a body portion extending from the proximal end to define a lumen. A distal end defines a second lumen opening a predetermined axial distance from the first lumen opening. The stent is maintained in a stretched linear state when in a catheter for delivery to a vascular site, and resiliently expands into a relaxed helilcal shape when released from the catheter. Various embodiments of the present invention are disclosed, including a stent made of a wire having a flattened cross-section, a helical wire stent having a flat ribbon to span between adjacent loops of wire, multiple intertwined stents in the same blood vessel. A preferred embodiment of the present invention involves treating an aneurysm formed at a vessel branching by arranging multiple helical wire stents in each vessel.
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Hieshima Grant
Jones Donald K.
Mitelberg Vladimir
Coggins Wynn Wood
Cordis Corporation
Maynard Jennifer
Montgomery Michael W.
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