Variable stiffness stent
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United States of America Patent
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Nov 25, 2003
Grant Date -
N/A
app pub date -
Jun 7, 2000
filing date -
Jun 7, 2000
priority date (Note) -
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Abstract
A stent having a structure differentiated in terms of its stiffness. Such differentiation is achieved with the use of a superelastic material that transitions between a relatively soft and malleable phase to a stiffer phase at a transition temperature that is adjustable. By differentially adjusting the transition temperature of different portions of the stent, a differentiation of the stiffness of the structure is achieved upon the stent being subjected to body temperature.
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