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1. 发明授权

US06527732B1 Torsionally compensated guidewire 有权
标题翻译：扭转补偿导丝
公开(公告)号：US06527732B1
公开(公告)日：2003-03-04
申请号：US09690914
申请日：2000-10-17
申请人： Brian M. Strauss , Amanda M. Conner , Nelson Peralta
发明人： Brian M. Strauss , Amanda M. Conner , Nelson Peralta
IPC分类号： A61B500
CPC分类号： A61M25/09 , A61M2025/09083
摘要： A guidewire includes a core and a coil in composite cooperation to enable the guidewire to be used within tortuous regions of the vasculature. The core has a proximal region and a distal region. The distal region includes a flattened end and a tang for connecting the core to the coil. The coil has a proximal end, a distal end and a length extending between the proximal end and the distal end. The ratio between the proximal region and the coil diameter is 1.4:1 or greater. The guidewire includes three joints for attaching the coil to the core. A distal joint attaches the distal end of the coil to the flattened end of the core. A proximal joint attaches proximal end of the coil to the core. A medial joint attaches the length of the coil to the tang. The three joints cooperate with the 1.4:1 ratio to improve torque transmission ability of the guidewire to enable the guidewire to steer through vessels with bends of over 90 degrees and with lumen diameters of less than 3 mm.
摘要翻译：引导线包括复合材料中的芯和线圈，以使引导线能够在脉管系统的曲折区域内使用。芯具有近端区域和远端区域。远侧区域包括扁平端和用于将芯连接到线圈的柄脚。线圈具有近端，远端和在近端和远端之间延伸的长度。近端区域与线圈直径之比为1.4:1或更大。导线包括用于将线圈附接到芯的三个接头。远端接头将线圈的远端连接到芯的扁平端。近端接头将线圈的近端附接到芯部。内侧关节将线圈的长度连接到柄脚。三个接头配合1.4：1的比例，以提高导丝的扭矩传递能力，使引导线能够转向具有超过90度弯曲且管腔直径小于3 mm的血管。

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