Corrosion testing of stents: A novel fixture to hold entire device in deployed form and finish
✍ Scribed by Venugopalan, Ramakrishna
- Publisher
- John Wiley and Sons
- Year
- 1999
- Tongue
- English
- Weight
- 155 KB
- Volume
- 48
- Category
- Article
- ISSN
- 0021-9304
No coin nor oath required. For personal study only.
✦ Synopsis
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.