| 摘要 |
<p>In at least one embodiment, a stent includes a side branch structure comprising a first serpentine ring comprising alternating inner turns and outer turns connected by straight struts. The inner turns are distributed around a reference circle centered upon a side branch center point. The side branch structure further comprises a second serpentine ring extending around the first serpentine ring. The second serpentine ring comprises alternating inner turns and outer turns connected by straight struts. The second serpentine ring has the same number of inner turns and outer turns as the first serpentine ring. The side branch structure further comprises a plurality of inner side branch connectors spanning between the first serpentine ring and the second serpentine ring in a side branch radial direction.</p> |
