MEDICAL DEVICE FOR IMPLANTATION INTO LUMINAL STRUCTURES
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United States of America Patent
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Issued Date -
Dec 26, 2013
app pub date -
Jan 27, 2012
filing date -
Jan 27, 2011
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Abstract
The present invention relates to expandable stents with a geometric design that exhibits a high degree of flexibility and significant radial strength. The stents of the present invention comprise a generally cylindrically shaped main body having a plurality of expandable first and second circumferential elements. When the stent is expanded, the second circumferential element forms a ring- or hoop-like structure. In certain embodiments, the main body contains a plurality of expandable first, second and third circumferential elements where both the second and third circumferential elements form a ring- or hoop-like structure when expanded. The stent may further comprise an end zone that caps the main body, or two end zones positioned at both ends of the main body.
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