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公开(公告)号：US5599325A
公开(公告)日：1997-02-04
申请号：US350779
申请日：1994-12-07
CPC分类号： A61M25/0045 , A61L29/049 , A61L29/06 , A61L29/18 , A61M25/005 , A61M2025/0098 , A61M25/0069
摘要： A diagnostic catheter comprises an inner layer of substantially unmodified polyamide over which is a reinforcing means and an outer layer of polymer having a hardness of 50 Shore D to 70 Shore D, along with a suitable radiopaque filler. Affixed either directly to the end of the above tubular body or to a stem member secured to that tubular body is a soft-tip formed from a blend of PEBA whose hardness is such that the catheter can be Considered as having an atraumatic tip. The resulting catheter exhibits excellent torque and column strength characteristics while providing a relatively large diameter lumen for a given outside diameter.
摘要翻译： 诊断导管包括基本上未改性的聚酰胺的内层，其上是硬化度为50肖氏D至70肖氏D的加强装置和聚合物外层，以及合适的不透射线填料。 直接连接到上述管状体的端部或固定到该管状体的杆构件是由PEBA的混合物形成的软尖端，其硬度使得导管可以被认为具有无创伤的尖端。 所得到的导管表现出优异的扭矩和柱强度特性，同时为给定的外径提供相对较大直径的腔。
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公开(公告)号：US5403292A
公开(公告)日：1995-04-04
申请号：US245428
申请日：1994-05-18
申请人： Byung H. Ju
发明人： Byung H. Ju
CPC分类号： A61M25/0045 , A61L29/049 , A61L29/06 , A61L29/18 , A61M25/005 , A61M2025/0098 , A61M25/0069
摘要： A diagnostic catheter comprises an inner layer of 100 percent polyamide over which is a braided metal wire sleeve and an outer layer formed as a blend of either the polyamide and PEBA along with a suitable radiopaque filler or, alternatively, a blend of PEBA having different durometers. Affixed either directly to the end of the above tubular body or to a stem member secured to that tubular body is a soft-tip formed from a blend of PEBA whose hardness is such that the catheter can be considered as having an atraumatic tip. The resulting catheter exhibits excellent torque and column strength characteristics while providing a relatively large diameter lumen for a given outside diameter.
摘要翻译： 诊断导管包括100％聚酰胺的内层，编织的金属线套管和内层由聚酰胺和PEBA与合适的不透射线填料一起混合而形成，或者另外具有不同硬度的PEBA的共混物 。 直接粘贴到上述管状体的端部或固定到该管状体的杆部件上，是由PEBA的混合物形成的软尖端，其硬度使导管可以被认为具有无创伤的尖端。 所得到的导管表现出优异的扭矩和柱强度特性，同时为给定的外径提供相对较大直径的腔。
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公开(公告)号：US06217566B1
公开(公告)日：2001-04-17
申请号：US08943036
申请日：1997-10-02
申请人： Byung H. Ju , Jose D. Alejandro
发明人： Byung H. Ju , Jose D. Alejandro
IPC分类号： A61M2500
CPC分类号： A61M25/0052 , A61M25/005 , A61M25/0053 , A61M25/0054 , A61M2025/0081
摘要： This is a delivery catheter assembly used typically, but not exclusively, in the peripheral vasculature of the human body. The catheter is configured in such a way that the lumen is exceptionally large and the catheter wall is exceptionally thin for a catheter of this class. The distal portion of the catheter contains a kink-resisting member, preferably a super-elastic alloy ribbon braid, which is embedded in the catheter wall. Proximally of the kink-resisting member, the catheter typically will have no other kink-resisting members. Finally, the catheter assembly uses long conical joints between component tubular members to provide smooth and strong transitions between those members.
摘要翻译： 这是一种通常但并非排他地在人体外周脉管系统中使用的输送导管组件。 导管被配置成使得管腔异常大，并且对于这类导管的导管壁异常薄。 导管的远侧部分包含嵌入在导管壁中的抗扭转构件，优选为超弹性合金带编织物。 近似于耐扭结构件，导管通常将不具有其它抗扭结构件。 最后，导管组件在组件管状构件之间使用长圆锥形接头，以在这些构件之间提供平滑和强烈的过渡。
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公开(公告)号：US5725513A
公开(公告)日：1998-03-10
申请号：US794607
申请日：1997-02-03
CPC分类号： A61M25/0045 , A61L29/049 , A61L29/06 , A61L29/18 , A61M25/005 , A61M2025/0098 , A61M25/0069
摘要： A diagnostic catheter comprises an inner layer of substantially unmodified polyamide over which is a reinforcing means and an outer layer of polymer having a hardness of 50 Shore D to 70 Shore D, along with a suitable radiopaque filler. Affixed either directly to the end of the above tubular body or to a stem member secured to that tubular body is a soft-tip formed from a blend of PEBA whose hardness is such that the catheter can be considered as having an atraumatic tip. The resulting catheter exhibits excellent torque and column strength characteristics while providing a relatively large diameter lumen for a given outside diameter.
摘要翻译： 诊断导管包括基本上未改性的聚酰胺的内层，其上是硬化度为50肖氏D至70肖氏D的加强装置和聚合物外层，以及合适的不透射线填料。 直接粘贴到上述管状体的端部或固定到该管状体的杆部件上，是由PEBA的混合物形成的软尖端，其硬度使导管可以被认为具有无创伤的尖端。 所得到的导管表现出优异的扭矩和柱强度特性，同时为给定的外径提供相对较大直径的腔。
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