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    • 35. 发明授权
    • Balloon catheter having improved balloon seal
    • 球囊导管具有改善的球囊密封
    • US08221350B2
    • 2012-07-17
    • US13039500
    • 2011-03-03
    • John A. Simpson
    • John A. Simpson
    • A61M29/00
    • A61M25/10A61M2025/1093Y10T156/10Y10T156/1005
    • The end cap is preferably formed of a relatively high durometer material with an inner surface on an outer surface of the shaft and on an outer surface of the balloon skirt section, and contacts a compression member on the balloon outer surface. The configuration prevents or inhibits failure at the balloon seals which otherwise results from the compression member moving or the balloon pulling off the shaft and out from under the compression member during inflation of the balloon. As a result, the balloon catheter of the invention has an improved consistent burst pressure and/or failure mode.
    • 端帽优选地由相对高的硬度材料形成,其具有在轴的外表面上的内表面和球囊裙部的外表面上,并且与球囊外表面上的压缩构件接触。 该构造防止或抑制球囊密封件处的失效,否则气囊膨胀期间由压缩构件移动或气囊从轴承下拉并从压缩构件下方引起。 结果,本发明的气囊导管具有改进的一致的爆裂压力和/或失效模式。