Sandwiched radiopaque marker on covered stent

Details Sandwiched radiopaque marker on covered stent Sandwiched radiopaque marker on covered stent

A - Human Necessities

61

F

A61F 2/06 (2006.01)

Patent

CA 2526632

A stent (100) comprises a tubular framework having an outer surface (116) and an inner surface (124) and a plurality of interconnected struts (108). An outer covering (112) of PTFE extends along at least a portion of the outer surface of the expandable framework and an inner covering (120) of PTFE extends along at least a portion of the inner surface of the expandable framework. At least a portion of the inner and outer coverings are contiguous with one another. The stent further comprises at least one radiopaque marker (128) disposed between the inner covering and the outer covering.

L'invention concerne un stent (100) qui comprend une charpente présentant une surface extérieure (116) et une surface intérieure (124) et une pluralité d'entretoises interconnectées (108). Une couverture extérieure (112) en PTFE s'étend sur au moins une partie de la surface extérieure de la charpente expansible et une couverture intérieure (120) en PTFE s'étend sur au moins une partie de la surface intérieure de la charpente expansible. Au moins une partie de la couverture intérieure et au moins une partie de la couverture extérieure sont contiguës. Le stent comprend également au moins un marqueur radio-opaque (128) disposé entre la couverture intérieure et la couverture extérieure.

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