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Balloon expandable bioabsorbable stent with a single stress concentration region interconnecting adjacent struts
Balloon expandable bioabsorbable stent with a single stress concentration region interconnecting adjacent struts
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机译:具有单个应力集中区域的球囊扩张式生物可吸收支架,该应力集中区域将相邻的撑杆互连
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摘要
An expandable, implantable medical device, such as an intraluminal stent fabricated from polymeric materials, includes a plurality of elongated struts in consecutive series and alternating stress concentration junctions interconnecting ends of adjacent struts. When the stent is in an expanded condition, the adjacent struts form expanded substantial V-shapes and stresses are concentrated within the junctions. The junctions define pivot points for the respective attached, adjacent struts. Each of the pivot points is located substantially on a line bisecting the V-shapes formed by the struts, when the stent is expanded.
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