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Stents for vascular or non-vascular applications by minimally invasive implantation include a biodegradable shape-memory polymer material
Stents for vascular or non-vascular applications by minimally invasive implantation include a biodegradable shape-memory polymer material
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机译：通过微创植入用于血管或非血管应用的支架包括可生物降解的形状记忆聚合物材料
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摘要
A stent for vascular or non-vascular applications includes a biodegradable shape-memory polymer material (SMP). Independent claims are also included for (i) production of the stent from the SMP by extrusion, coating, casting or spinning or weaving; (ii) a kit comprising the stent and a heatable balloon catheter or a balloon catheter with a light conductor; and (iii) minimal invasion implantation of the stent comprising (1) placing the stent on a heatable or light-conductive balloon catheter, the SMP material having two programmed memory forms, the first of which is a tube with a greater diameter than the second; (2) introducing the thus-placed stent in its second form at the required place; (3) heating or illuminating the stent at a suitable wavelength (especially by UV); (4) effecting the SMP effect to convert the stent to its first or permanent form; and (5) removing the catheter.
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