一个新型的自我扩张的跨导管中枢,具有双环/门直径
1E. Meshalkin National Medical Research Center, Ministry of Health of Russian Federation, 15 Rechkunovskaya St., Novosibirsk 630055, Russia.
Journal of functional biomaterials
|July 25, 2025
概括
一种新型的自我扩张的跨导管 mitra (TMV) 支架是从单个尼提诺管中开发出来的. 这种双直径的设计为患有 mitrale 吐的高风险患者提供了一个有前途的解决方案.
科学领域:
- 生物医学工程 生物医学工程
- 心血管研究研究心血管研究
- 医疗器械开发 医疗器械开发
背景情况:
- 通过导管的 mitra 门 (TMVs) 对于管理老年患者的 mitra 吐至关重要.
- 老年人经常患有二次腹吐,但在手术门置换时面临高风险.
- 开发少入侵的TMV解决方案对于这个日益增长的人口来说至关重要.
研究的目的:
- 为了设计一种新型的自我扩张的跨导管关 (TMV) 支架.
- 支架是由单个尼醇管设计的,其直径为门封闭和环状固.
- 评估这种创新的TMV支架设计对高风险患者的可行性.
主要方法:
- 使用COMSOL多物理6.0进行生物技术工程模拟.
- 激光切割的尼醇管被制造成五种尺寸的双直径支架.
- 集成的猪心膜门,并评估了与24 Fr输送系统和脉动流量的兼容性.
主要成果:
- 一种新型的双直径TMV支架与集成的猪心脉膜成功地进行了生物工程.
- 支架是用尼醇管制造的,并经过热处理,以达到特定的环形直径 (40-48毫米).
- 在脉动流量测试期间,TMV系统显示出正确的功能,包括打开和关闭.
结论:
- 这项研究证实了单元,双直径TMV支架的可行性.
- 这种创新的设计为手术候选人不佳的 mitrale 吐患者提供了一个有前途的替代方案.
- 开发的TMV支架代表了跨导管技术的重大进步.
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