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medical stents

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Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001841
EISBN: 978-1-62708-241-9
... 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. catheter wire medical stents...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006811
EISBN: 978-1-62708-329-4
... Abstract Bearing in mind the three-legged stool approach of device design/manufacturing, patient factors, and surgical technique, this article aims to inform the failure analyst of the metallurgical and materials engineering aspects of a medical device failure investigation. It focuses...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c9001690
EISBN: 978-1-62708-226-6
.... In recent years, the emphasis on Nitinol has shifted to its superelastic behavior, and there are several applications in the medical device industries, including hip implants, bone spacers, bone staples, bone anchors, skull plates, vascular and nonvascular stents, and medical guidewires. 29 , 30...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006836
EISBN: 978-1-62708-329-4
... in medical devices and surgical implants. Example 16: Ultrasonic Cleaning-Induced Failures in Medical Devices Investigation A nitinol stent subjected to an unintentionally long ultrasonic cleaning treatment fractured during bend testing ( Ref 11 ). SEM analysis showed that striations were present...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.9781627083294
EISBN: 978-1-62708-329-4
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006943
EISBN: 978-1-62708-395-9
... medical implants (e.g., stents), are often too small for preparation of a specimen to confirm standard properties and specification verification in the design documents. However, fractographic examination alone can often generate enough information to allow determination of the failure mode without...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.9781627083959
EISBN: 978-1-62708-395-9