US10980996B2 Magnetically operated switches and methods of making magnetically operated switches

摘要

• 问题:MRI扫描中RF能量耦合导线导致电极周围组织过度加热
• 方案:交替铁磁/非磁层构造的双执行器开关被静磁场激活自动断开导线至电极的连接
• 效果:未公开定量的阻抗值、温度减少幅度或SAR数据
• 形态:20条权利要求；可调参数：铁磁和非磁层厚度、材料选择（Permenorm合金/黄铜/钛/PEEK等）、执行器间隙、弹簧负载强度

关联

• 原文(Google Patents):https://patents.google.com/patent/US10980996B2/en
• 危害:Hazard-rf-heating