Ultraflexible open cell stent
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United States of America Patent
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Apr 1, 2003
Grant Date -
N/A
app pub date -
Jun 30, 2000
filing date -
Jun 30, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
Disclosed is an open cell stent that has adjacent sets of circumferential struts connected by means of highly flexible, undulating, connecting struts. To decrease outward flaring of the circumferential struts when the pre-deployed stent is advanced through highly curved vessels, each unconnected strut of the sets of circumferential struts has a decreased longitudinal length as compared to the longitudinal length of the circumferential struts that are connected by the flexible connecting struts. To decrease the propensity for outward flaring of the end set of circumferential struts, the longitudinal length of the end set of circumferential struts is shorter than the longitudinal length of the interior set of circumferential struts. Also, the attachment point of the flexible connecting struts is off the center of the curved sections of the circumferential struts, thus also decreasing the tendency for outward flaring of the end set of circumferential struts.
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