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medical stents

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Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005687
EISBN: 978-1-62708-198-6
... Abstract This article tabulates materials that are known to have been used in orthopaedic and/or cardiovascular medical devices. The materials are grouped as metals, ceramics and glasses, and synthetic polymers in order. These tables were compiled from the Medical Materials Database which...
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 Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005658
EISBN: 978-1-62708-198-6
... Abstract This article focuses on the specific aspects of nitinol that are of interest to medical device designers. It describes the physical metallurgy, physical properties, and tensile properties of the nitinol. The article discusses the factors influencing superelastic shape memory effects...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005670
EISBN: 978-1-62708-198-6
... to that described for ruthenium ( Ref 1 ). Iridium oxide is commonly used for stent coatings and bioelectrodes. The medical and dental demand for iridium escalated sharply between 1980 and 1990 ( Fig. 1(b) ) ( Ref 5 , 7 , 11 ). The cost of iridium followed the trends of gold and platinum, showing spikes in 1980...
Book Chapter

By Sam Nasser
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005684
EISBN: 978-1-62708-198-6
.... It discusses the use of tantalum in medical electronics and the advantage of tantalum over stainless steel. The article describes the manufacturing and medical applications of tantalum foam. medical applications medical electronics physical properties stainless steel tantalum tantalum foam...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005660
EISBN: 978-1-62708-198-6
... includes coronary heart disease, heart attacks, stroke, hypertension (high blood pressure), heart failure, arrhythmias (irregular heartbeats), valvular disease, and aortic aneurysms. Medical devices have made a large impact in treating cardiovascular disease and range from drug-eluting stents to treat...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005657
EISBN: 978-1-62708-198-6
... Abstract This article focuses on the analysis of materials and mechanical- (or biomechanical-) based medical device failures. It reviews the failure analysis practices, including evidence receipt, cleaning, nondestructive examination, destructive examination, exemplars analysis, and device...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005673
EISBN: 978-1-62708-198-6
... Abstract Stainless steels are used for medical implants and surgical tools due to the excellent combination of properties, such as cost, strength, corrosion resistance, and ease of cleaning. This article describes the classifications of stainless steels, such as austenitic stainless steels...
Series: ASM Handbook
Volume: 23A
Publisher: ASM International
Published: 12 September 2022
DOI: 10.31399/asm.hb.v23A.a0006889
EISBN: 978-1-62708-392-8
... discussed in detail. Finally, the article provides information on the qualification and certification of AM-processed medical devices. binder jetting biomedical devices certification cobalt-chromium alloys directed-energy deposition electrochemical properties powder-bed fusion qualification...
Series: ASM Handbook
Volume: 23A
Publisher: ASM International
Published: 12 September 2022
DOI: 10.31399/asm.hb.v23A.a0006902
EISBN: 978-1-62708-392-8
... phantom from ABS material. Analysis The use of AM can aid in developing and testing cardiovascular medical devices such as stents. In addition, 3D printing can be used to fabricate cardiovascular 3D models such as heart or mitral valve prototypes. Apart from the educational purpose of 3D models...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004206
EISBN: 978-1-62708-184-9
... behavior scratch test METALLIC BIOMATERIALS have been used for the past several decades in a wide array of applications spanning several medical and dental fields. Much early work in metallic biomaterials was performed in the dental community where gold alloys, dental amalgams, and base metal alloys...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005653
EISBN: 978-1-62708-198-6
... mechanically assisted corrosion mechanically assisted crevice corrosion metallic biomaterials scratch test surface characteristics titanium-base biomedical alloys METALLIC BIOMATERIALS have been used for the past several decades in a wide array of applications spanning several medical and dental...
Series: ASM Handbook
Volume: 23A
Publisher: ASM International
Published: 12 September 2022
DOI: 10.31399/asm.hb.v23A.a0006862
EISBN: 978-1-62708-392-8
... approach is an attractive AM technique for fabrication of high-resolution polymer-based medical devices such as medical stents and surgical guides using biocompatible resins. Lastly, the powder-bed fusion AM technique facilitates the fabrication of medical devices using a wide range of powder materials...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005676
EISBN: 978-1-62708-198-6
... as a stress concentrator. The root cause of failure was contamination during processing. Medical Balloons: Case Study Medical balloons are used for a variety of medical procedures, including angioplasty and stent delivery. Noncompliant nylon balloons were rejected during manufacturing due...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005680
EISBN: 978-1-62708-198-6
... material resistivity. Fig. 15 Schematic showing transition in mechanism of joint formation Research has shown that bonding mechanism can greatly influence the surface finish. This is of particular importance for in vivo medical applications, such as stents and catheters. In these devices...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006404
EISBN: 978-1-62708-192-4
... of tribological pairs, namely, hip-wear simulation standards, knee-wear simulation standards, and spinal disc-wear simulation standards. friction wear medical implants prosthetic devices amphiarthosis joints diarthosis joints mechanical stability nonconstrained knee replacement semiconstrained knee...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005685
EISBN: 978-1-62708-198-6
... Abstract This article focuses on the modes of operation, physical basis, sample requirements, properties characterized, advantages, and limitations of the characterization methods used to evaluate the physical morphology and chemical properties of component surfaces for medical devices...
Series: ASM Handbook
Volume: 24A
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.hb.v24A.a0006948
EISBN: 978-1-62708-439-0
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: 24A
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.hb.v24A.a0006966
EISBN: 978-1-62708-439-0
... Abstract This article provides an overview of currently available metal AM processes for the medical industry; outlines a step-by-step review of the typical workflow for design, manufacturing, evaluation, and implantation of patient-specific AM devices; and examines the existing research trends...