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    • 6. 发明申请
    • Method and apparatus for vascular durability and fatigue testing
    • 用于血管耐久性和疲劳试验的方法和装置
    • US20080134763A1
    • 2008-06-12
    • US10947644
    • 2004-09-22
    • Michael R. MorenoJames E. Moore
    • Michael R. MorenoJames E. Moore
    • G01N3/26
    • G01N3/32A61F2240/008G01N2203/0016G01N2203/0021G01N2203/0023
    • A vascular prosthesis tester (10) for inducing stresses upon a vascular prosthesis (22) having a channel extending through the vascular prosthesis is disclosed. The tester includes a pump (18) adaptable to pressurize a fluid disposed within the channel to induce a radial stress upon the vascular prosthesis. The tester may further include a bend applicator (16) operable to induce a bending stress, a torque applicator (12) operable to induce a torque, a linear force applicator (52) operable to induce a linear force, and/or a stop (28) for inducing a lateral push stress upon the vascular prosthesis. A method of fatigue testing a vascular prosthesis contained within a fluid conduit is also disclosed. The method includes injecting a fluid within the inner channel and inducing a torque, bending stress, linear stress, and/or later push stress upon the vascular prosthesis.
    • 公开了一种用于在具有延伸穿过血管假体的通道的血管假体(22)上诱导应力的血管假体检测器(10)。 该测试器包括适于对设置在通道内的流体加压以在血管假体上引起径向应力的泵(18)。 测试器还可以包括可操作以引起弯曲应力的弯曲施加器(16),可操作以引起扭矩的扭矩施加器(12),可操作以引起线性力的线性力施加器(52)和/或停止 28)用于在血管假体上诱导横向推动应力。 还公开了包含在流体导管内的血管假体的疲劳测试方法。 该方法包括在内部通道内注入流体并且在血管假体上引起扭矩,弯曲应力,线性应力和/或稍后的推动应力。