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1. 发明申请

WO2007075585A2 MULTI-LAYER BALLOONS FOR MEDICAL APPLICATIONS AND METHODS FOR MANUFACTURING THE SAME 审中-公开
标题翻译：用于医疗应用的多层气球及其制造方法
公开(公告)号：WO2007075585A2
公开(公告)日：2007-07-05
申请号：PCT/US2006048268
申请日：2006-12-15
申请人： INTERFACE ASSOCIATES INC , STUPECKY JOSEF J , MABRY ERIC
发明人： STUPECKY JOSEF J , MABRY ERIC
IPC分类号： A61M29/00
CPC分类号： A61M25/1036 , A61M25/10 , A61M2025/1004 , A61M2025/1075 , Y10T156/101 , Y10T428/1317
摘要： A multi-layered balloon (120) is provided where each layer is formed such that each layer is made from tubing that optimizes the inner wall stretch thus providing maximum balloon strength. The high pressure, multi-layer balloon (120) is provided with layers (100), (110) that allow for slipping, such that the balloon (120) has a very high pressure rating and toughness, yet excellent folding characteristics. Methods for producing such multi-layer balloons (120) using existing balloon forming equipment are also provided. The multi-layer balloons (120) can have alternating structural (102), (112) and lubricating layers (114), or layers with low-friction surfaces. The multi-layer balloons (120) are preferably manufactured using a variety of methods including nesting, co-extrusion, or a combination of nesting and co-extrusion. The multi-layer balloons (120) have balloon layers (100), (110) having substantially similar, or the same, high degree of biaxial orientation of their polymer molecules such that each balloon layer of the multi-layer balloon (120) will fail at approximately the same applied pressure.
摘要翻译：提供了一种多层气囊（120），其中每层形成为每层由优化内壁拉伸的管道制成，从而提供最大的球囊强度。高压多层气囊（120）设置有允许滑动的层（100），（110），使得球囊（120）具有非常高的压力等级和韧性，但是优异的折叠特性。还提供了使用现有的气球成形设备生产这种多层气球（120）的方法。多层气囊（120）可以具有交替的结构（102），（112）和润滑层（114）或具有低摩擦表面的层。多层气囊（120）优选使用各种方法制造，包括嵌套，共挤出或嵌套和共挤出的组合。多层气囊（120）具有球囊层（100），（110），其聚合物分子具有基本相似或相同的高度的双轴取向，使得多层球囊（120）的每个球囊层将在大致相同的施加压力下失效。

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