Many interventionists are infatuated by the recent resurgence of the coilwire design with the Super Arrow-Flex® sheath (Teleflex, Inc., NC, United States of America). This exclusive sheath is a highly flexible, durable, conduit intended for use in diagnostic and interventional procedures with several advantages and maximum effectiveness in challenging cases. We report failure to easily advance memory shape occluders through Super Arrow-Flex® sheaths larger than the recommended implant French size. We detail the technical reasons behind this non-previously reported drawback and describe benchside tests as possible solutions.

中文翻译：

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Super Arrow-Flex® 护套导引器在先天性心脏病干预中的标签外使用限制

许多干预主义者对最近使用 Super Arrow-Flex® 护套（Teleflex, Inc., NC, United States of America）的线圈线设计的复兴着迷。这种独特的护套是一种高度灵活、耐用的导管，旨在用于诊断和介入程序，在具有挑战性的情况下具有多种优势和最大效率。我们报告未能通过大于推荐的法式种植体尺寸的 Super Arrow-Flex® 护套轻松推进记忆形状封堵器。我们详细介绍了这一非先前报道的缺陷背后的技术原因，并将台式测试描述为可能的解决方案。