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19 April 2022 Nondestructive ultrasonic quality testing of endovascular devices
Robert Earl, Richard L. Leask, Paul Fromme
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Proceedings Volume 12048, Health Monitoring of Structural and Biological Systems XVI; 120480R (2022) https://doi.org/10.1117/12.2614511
Event: SPIE Smart Structures + Nondestructive Evaluation, 2022, Long Beach, California, United States
Abstract
Endovascular medical devices such as catheters are composed of multiple thermal plastic components joined by butt-welding. High quality joining of components is required to ensure patient safety. The current practice for assuring quality is limited to process validation and destructive testing. An ultrasonic system for endovascular weld inspection was developed to detect faults (porosity and contamination) post welding in polyamide (Pebax-72D). Results from angled ultrasonic measurements were compared to micro-CT and found to correlate well with weld quality as a potential non destructive index for 100% in-line verification of the joining process.
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Robert Earl, Richard L. Leask, and Paul Fromme "Nondestructive ultrasonic quality testing of endovascular devices", Proc. SPIE 12048, Health Monitoring of Structural and Biological Systems XVI, 120480R (19 April 2022); https://doi.org/10.1117/12.2614511
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KEYWORDS
Ultrasonics
Nondestructive evaluation
Medical devices
Safety
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