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DEVICE FOR REPAIRING AORTIC ANEURYSIS IN CHEST BASKET
DEVICE FOR REPAIRING AORTIC ANEURYSIS IN CHEST BASKET
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机译:胸腔主动脉瘤修复装置
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摘要
A stent graft for deploying a stent graft at a lesion site is provided. The stent graft comprises a tubular graft and a support stent, at least a portion of which lies within the tubular graft. The graft has a proximal end and a distal end. The support stent has a proximal end and a distal end, and comprises at least one wire forming a first helical wire portion having a first translational direction about an axis of the support stent and a second helical wire portion having a second translational direction about the axis opposite the first translational direction. When the support stent is in a compressed delivery configuration, the support stent has a first length, and when the support stent is in an expanded deployed configuration, the support stent has a second length which is less than the first length. When in the delivery configuration, the support stent is attached to the graft only at or near the proximal end of the graft.
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