Metal structure compatible with MRI imaging, and method of manufacturing such a structure
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United States of America Patent
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Sep 7, 2010
Grant Date -
Aug 3, 2006
app pub date -
Mar 14, 2003
filing date -
Mar 14, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention relates to tubular radially expansible metal structures, having an abluminal wall, a luminal wall and a radial wall thickness therebetween with struts defining through-apertures in the wall, the structure further defining a plurality of expansible rings arranged adjacent one another along the longitudinal axis of the structure, each of the rings defining at least one bridge strut, and adjacent rings being linked by a bridge extending between adjacent bridge struts on adjacent rings. The bridges, a plurality of which are distributed throughout the length of the tubular structure and are configured and arranged to divide the tubular structure into axially spaced and electrically insulated sections, advantageously exhibit reduced electrical conductivity throughout their wall thickness. The present invention relates furthermore to a method of manufacturing such a tubular structure, as well as a method of visualizing a bodily lumen supported by such a tubular structure deployed therein.
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