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Abstract

Ultrasonic cleaning is widely used in the production of medical devices such as guide wires and vascular implants. There are many cases, however, where cleaning frequencies have been close to the natural frequency of the device, producing resonant vibrations large enough to cause damage or premature failure. Several cases of ultrasonic cleaning-induced fatigue and corresponding failures of medical devices are examined in this review. Preventative measures to ensure that ultrasonic cleaning frequencies do not pose a threat are also provided.

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B.A. James, Ultrasonic Cleaning-Induced Failures in Medical Devices, Handbook of Case Histories in Failure Analysis, Vol 3, Edited By Larry Berardinis, ASM International, 2019, p 630–634, https://doi.org/10.31399/asm.fach.v03.c9001841

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