| 摘要 |
A stent arrangement which has at least a first ring ( 3 ) and zig zag struts ( 5 ) extending axially from the periphery of the ring. There can be first and second rings ( 3, 4 ) axially spaced apart and defining substantially parallel planes and a plurality of zig zag portions ( 5 ) between the first and second ring portions around the periphery thereof. The stent can be formed from a single wire or laser cut from a cannula and can be covered or uncovered.
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