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1. 发明申请

WO2014074117A1 MEDICAL CATHETER WITH BUMP TUBING PROXIMAL SEGMENT 审中-公开
标题翻译：医用导管与保护管接头部分
公开(公告)号：WO2014074117A1
公开(公告)日：2014-05-15
申请号：PCT/US2012/064633
申请日：2012-11-12
申请人： TERUMO MEDICAL CORPORATION , KRONFELD, Alex, M. , NORTON, Derek, L. , YOUNG, Robin, M.
发明人： KRONFELD, Alex, M. , NORTON, Derek, L. , YOUNG, Robin, M.
IPC分类号： A61M25/00
CPC分类号： A61M25/0054 , A61M25/0067 , A61M25/008 , A61M25/0108 , A61M2025/0059
摘要： A medical catheter (10) for inserting into a body includes a bump tubing section with proximal and distal ends, wherein the proximal end is configured to mate with a hub. The bump tubing section has an intermediate portion (22) extending away from the proximal end (21) with a substantially constant outer diameter and thickness, and a taper portion (23) adjacent the distal end with generally decreasing inside and outside diameters to provide a gradually increasing flexibility toward the distal end of the bump tubing section. The bump tubing section is comprised of a polymer having a predetermined flexural modulus. A tip section is (24) disposed distally of the distal end of the bump tubing section comprising a distal liner (30) and a distal cover (31) such that at least a majority of the tip section has a substantially constant stiffness and a flexural modulus substantially equal to or greater than the predetermined flexural modulus.
摘要翻译：用于插入到主体中的医用导管（10）包括具有近端和远端的凸块管段，其中所述近端构造成与毂配合。所述凸块管段具有中间部分（22），所述中间部分（22）具有基本上恒定的外径和厚度的近端（21）延伸，以及与所述远端相邻的锥形部分（23），所述锥形部分（23）具有大体上减小的内径和外径，逐渐增加朝向凸块管段远端的柔性。凸块管段由具有预定挠曲模量的聚合物构成。尖端部分（24）设置在凸起管部分的远端的远侧，包括远侧衬套（30）和远侧盖（31），使得尖端部分的至少大部分具有基本上恒定的刚度和弯曲模量基本上等于或大于预定弯曲模量。

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