外国人在研发金属心脏支架的取出技术吗

2025年03月13日 16:47
有2个网友回答
网友(1):

目前取出办法是 开胸 做 冠状动脉内膜剥脱术 可以取出

未来导管取出是有可能的 但是缺少利益的驱使,得等可降解支架的材料镁合金类材质特别接近金属替代90%以上的金属支架 才可能研究金属支架的取出,

如果你有钱,我告诉你怎么取,你去研究吧

1冠状动脉内膜把支架包住了 贴血管壁上了的解决办法
10-20年后类似达芬奇机器人的那种外科使用的辅助智能机器 代替介入医生在心血管内去剥这个支架,毕竟智能机器会参考模拟(如同科幻电影)它进去后是探头,外面电脑显示,它在血管内工作 或 介入科医生在血管内工作很久慢慢给你把血管内膜包裹的支架都裸出来

2支架比血管粗,撑开后无法复原退出的解决办法
物理角度出发,使用比如电磁铁装置或有电子元件的机械装置,可以把支架变成关闭状态,恢复成一个很细的状态从而取出,反正在困难他们也有办法应对,无论什么血管不是直的,电的力量不足等,他们都可以解决发展,因为这方面发展飞速应该比医学更快!他们想的话是有办法的。 放一个这种东西到支架内配合1 使支架变成关闭状态或近似关闭状态,至少小于你血管半径的50%,就可以取出来了

问题是 1 血管壁内膜被破坏了很可能出血栓 需要有什么药物直接压制他出血或增生?如果可能发生这种情况,金属支架撤退后,马上一个新一代可降解支架取代它的位置从而释放药物去对抗?这就是不好说了!

网友(2):

不可能取出,一般植入一定时间后,血管内膜会覆盖支架,也就是支架内皮化,你想把血管内皮再撕开吗?况且金属支架被撑开后,紧紧的贴在血管上,如何让他缩回去?

不过现在国外和国内有实力的厂家都在做可降解支架,不需要将支架取出,支架会在血管内降解掉。国外的有雅培的absorb目前未取得CFDA,无法再国内使用。国内厂家有乐普的NeoVas,微创的Firesorb,还有上海微特的Xinsorb

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