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Devices and methods for in situ fenestration of a stent-graft at the site of a branch vessel
Devices and methods for in situ fenestration of a stent-graft at the site of a branch vessel
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机译:用于在分支血管部位原位开窗覆膜支架的装置和方法
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摘要
The present disclosure includes a stent-graft comprising a first portion that is configured to engage a vessel wall, a second portion that is configured not to engage the vessel wall, and a perfusion window that is configured to permit blood flow. The stent-graft may further comprise a transition portion between the first portion and the second portion, and the perfusion window may be formed in the first portion, the second portion, and/or the transition portion. In a variety of embodiments, one of the first and the second portion may have a smaller diameter than the other. Similarly, in a variety of embodiments, the transition portion may be frustoconically shaped.
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