人工管腔内由金属支撑物或者支架支撑。
生物分解聚合物就像个支架，研究专家表示这个支架能支撑，让脑细胞增生。
The biodegradable polymer ACTS like a scaffold and researchers say that it can support the growth of new brain cells.
新一代药物洗脱支架由可吸收多聚物为平台，具有与金属支架相当的的支撑力，以及良好的生物相容性。
Bioabsorbable polymers have been used as the platform of a novel coronary stent, which has strength comparable to stainless steel stents and biocompatibility with the vessel wall.
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