Self-expanding double-layer tower type covered stent and delivery device thereof
The invention discloses a self-expanding double-layer tower type covered stent and a delivery device thereof. Compared with a traditional covered stent, the double-layer tower-shaped covered stent has the advantages that the effect of isolating an aneurysm cavity is enhanced by adding a layer of cov...
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Format: | Patent |
Sprache: | chi ; eng |
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