支架的腐蚀测试:一种新颖的夹具,以保持整个设备的部署形式和完成。

R Venugopalan
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引用次数: 31

摘要

不锈钢和镍钛合金支架用于心脏、胆道和前列腺的临床应用,由于其小尺寸和独特的几何形状,可能容易失去机械完整性/失效。由于它们的腐蚀行为是其生物相容性的一个关键方面,因此有必要使用最终部署形式和完成条件来测试这些设备的腐蚀行为。焊丝引线或金属夹夹会导致支架表面变化或损坏。本研究设计并评估了一种用于支架腐蚀测试的新型夹具。这种夹具设计对支架性能的影响最小,并且便于在其他类型的表征测试后轻松移除。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Corrosion testing of stents: a novel fixture to hold entire device in deployed form and finish.

Stainless steel and nickel-titanium alloy stents for cardiac, biliary, and prostatic clinical applications may be susceptible to loss of mechanical integrity/failure due to their small size and unique geometry. Because their corrosion behavior is a critical aspect of their biocompatibility, it is necessary to test such devices for corrosion behavior using a final deployed form and finish condition. Welding wire leads or holding with metallic clips can result in surface variability or damage to the stents. A novel fixture to hold stents for corrosion testing was designed and evaluated in this study. This fixture design minimally influenced the properties of stents, and also facilitated easy removal post-testing for other types of characterization.

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