ASTM F2267 测试在静态轴挤压下椎间体融合设备的负载导致下陷的试验方法
椎间盘蜕变后，椎间融合器可以用于帮助促进脊柱节段固定术后的恢复。当两节椎盘相互生长和融合时，医疗器械扮演着支撑前椎柱的角色。椎间融合术比椎间盘置换术应用更加广泛。
ASTM F2267-04 “测试在静态轴挤压下椎间体融合设备的负载导致下陷的试验方法”指定了一种可以在体外进行的静态轴挤压测试方法，以提供不同融合植入物之间的力学性能对比。这个测试的执行可以用金属块或者聚氨酯块为辅助材料。
这个测试可以在横梁上带有移动作动器的万能试验机中进行。但是，我们还是倾向于推荐以下两种系统： ElectroPuls E10000 拉扭双轴电子动静态万能测试系统和8876电液伺服测试系统。这两种系统允许专业夹具在温控浴中进行测试，这种温控浴可以稳定地模拟体内环境。我们的测试系统也允许在移动作动器的末端安装一个传感器用来精确测定下陷力的值。
可以查阅在 ASTM F2077标准中指定的椎间体融合设备在静态、疲劳和表征方法的测试细节。
ElectroPuls® E3000 Linear-Torsion All-Electric Dynamic Test Instrument
The ElectroPuls® E3000 Linear-Torsion is a state-of-the-art, all-electric test instrumentdesigned for dynamic and static testing on a wide range of materials and components. Itincludes Instron® advanced digital control electronics, bi-axial DynacellTM load cell, Consolesoftware, and the very latest in testing technology – hassle-free tuning based on specimenstiffness, electrically operated crosshead lifts, a T-slot table for flexible test set ups and a hostof other user-orientated features. Powered from a single-phase supply it requires no additionalutilities for basic machine operation (for example, pneumatic air, hydraulics, or water).
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- 3/3/2017
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E10000® Combined POD
The ElectroPuls® E10000 is a state-of-the-art, all-electric test instrument designed for dynamic and static testing on a wide range of materials and components. It includes Instron® advanced digital control electronics, bi-axial DynacellTM load cell, Console software, and the very latest in testing technology – hassle-free tuning based on specimen stiffness, electrically operated crosshead lifts, a T-slot table for flexible test set ups and a host of other user-orientated features. Powered from a single-phase supply it requires no additional utilities for basic machine operation (for example, pneumatic air, hydraulics, or water).
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- 7/11/2019
- 0.8 MB