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    • 110. 发明授权
    • Injection catheter with needle electrode
    • 注射导管带针电极
    • US08079982B1
    • 2011-12-20
    • US09711648
    • 2000-11-13
    • Dean M. PonziAsher HolzerShlomo Ben-Haim
    • Dean M. PonziAsher HolzerShlomo Ben-Haim
    • A61M5/00A61M31/00
    • A61B18/1492A61B18/1477A61B2017/00243A61B2018/00363A61B2018/00577A61B2018/00839A61B2018/1425A61B2018/1475A61B2218/002
    • An injection catheter for infusing therapeutic and diagnostic agents into the heart is provided. The injection catheter comprises a catheter body comprising a flexible tubing having proximal and distal ends and at least one lumen therethrough. A tip section comprising a flexible tubing having proximal and distal ends is mounted at the distal end of the catheter body. A needle control handle is provided at the proximal end of the catheter body. An injection needle extends through the tip section, catheter body, and needle control handle and has a proximal end attached to the needle control handle and a distal end within the tip section. The injection needle is longitudinally slidable within the tip section so that its distal end can extend beyond the distal end of the tip section upon suitable manipulation of the needle control handle. The catheter further comprises an electrode lead wire having a first end electrically connected to the injection needle and a second end electrically connected to a suitable monitoring apparatus or to a source of ablation energy. The injection needle can thus be used for mapping or ablation in addition to introducing therapeutic and diagnostic agents into the heart.
    • 提供了用于将治疗和诊断剂注入心脏的注射导管。 注射导管包括导管主体,该导管主体包括具有近端和远端以及穿过其中的至少一个腔的柔性管。 包括具有近端和远端的柔性管的尖端部分安装在导管主体的远端。 在导管主体的近端设有针控制手柄。 注射针穿过尖端部分,导管主体和针控制柄,并且具有附接到针控制手柄的近端和尖端部分内的远端。 注射针可以在尖端部分内纵向滑动,使得其适当地操纵针控制手柄时,其远端可以延伸超出尖端部分的远端。 导管还包括电极引线,其具有电连接到注射针的第一端和电连接到合适的监测装置或消融能量源的第二端。 因此,除了将治疗剂和诊断剂引入心脏之外,注射针可用于测绘或消融。