| 摘要 |
<p>In one embodiment, the invention is directed to a stent retention element (200) having an elastic member adapted to be incorporated with a first end (306) of an elongate stent and to coil toward a second end (304) of the elongate stent to anchor the elongate stent at an anatomical site. According to one feature, the stent retention element expands and compresses to effectively lengthen and shorten, respectively, the stent to accommodate ureter lengthening and shortening.</p> |
