Treating aneurysms by applying hardening/softening agents to
hardenable/softenable substances
    191.
    发明授权
    Treating aneurysms by applying hardening/softening agents to hardenable/softenable substances 失效
    通过将硬化/软化剂施用于可硬化/可软化的物质来治疗动脉瘤

    公开(公告)号:US5921954A

    公开(公告)日:1999-07-13

    申请号:US677811

    申请日:1996-07-10

    Abstract: A method and system for treating aneurysms by applying RF energy to collagen. A catheter is disposed near the aneurysm and collagen is exuded into or near the aneurysm. RF energy is applied, using the same catheter or a second catheter, to the collagen, causing the collagen to harden and cover the weak region of the blood vessel wall, and providing a base onto which epithelial cells of the blood vessel may grow. The catheter comprises an electrophysiology catheter, including a ring electrode preferably disposed to deliver between about 5 and about 30 watts of RF energy at a frequency preferably between about 450 and about 600 Megahertz, to apply sufficient energy to cause the collagen to harden while avoiding damage to surrounding tissue.

    Abstract translation: 通过向胶原蛋白施加RF能量来治​​疗动脉瘤的方法和系统。 导管位于动脉瘤附近,胶原蛋白渗出到动脉瘤内或附近。 使用相同的导管或第二导管将RF能量施加到胶原,使胶原蛋白硬化并覆盖血管壁的弱区域,并提供血管上皮细胞生长的基底。 导管包括电生理学导管,其包括环电极,优选设置为以大约450和大约600兆赫之间的频率递送约5至约30瓦的RF能量,以施加足够的能量以使胶原蛋白硬化,同时避免损伤 到周围的组织。

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