Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Arterial prosthesis – Stent structure
Patent
1997-10-29
2000-09-19
Snow, Bruce
Prosthesis (i.e., artificial body members), parts thereof, or ai
Arterial prosthesis
Stent structure
623 13, 623 115, 606194, A61F 206
Patent
active
061205346
ABSTRACT:
Apparatus and methods for regulating the flow of fluids through a body vessel or organ are provided by a stent comprising a deformable mesh covered with a biocompatible material, the mesh having a conical portion and a constricted region. The stent may be percutaneously and transluminally delivered and deployed in a vessel. The constricted region may then be selectively enlarged employing a conventional dilatation device to adjust the flow impedance created by the constricted region. In an alternative embodiment, the constricted region is preferably formed from a shape-memory material, so that the maximum degree of constriction may be recovered by heating the shape-memory material. Methods of implanting the stent and adjusting and optimizing the degree of flow impedance are also provided.
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Pisano Nicola A.
Snow Bruce
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