心脏支架手术：拯救生命的“血管疏通器”
金属裸支架：最早的支架类型，由金属材料制成，无药物涂层。
药物涂层支架：在金属支架表面涂覆药物，以减少再狭窄的风险。
生物可吸收支架：由可降解材料制成，可以在体内逐渐分解并被吸收，恢复血管的自然状态。
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