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medical polymers

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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
... Abstract Polymers offer a wide range of choices for medical applications because of their versatility in properties and processing. This article provides an overview of polymeric materials and the characteristics that make them a unique class of materials. It describes the ways to classify...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005682
EISBN: 978-1-62708-198-6
... to replace the dysfunctional natural joints for prolonged pain relief and mobility. Thus, the field of arthroplasty has become popular in the surgical world and, according to the medical term, means surgical repair of joints ( Ref 2 ). Currently, one of the main achievements in the field of...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005659
EISBN: 978-1-62708-198-6
... Abstract This article provides a summary of biocompatibility or biological response of metals, ceramics, and polymers used in medical implant, along with their clinical issues. The polymers include ultrahigh-molecular-weight polyethylene, nonresorbable polymer, and resorbable polymers...
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 is a...
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
... cardiovascular applications ceramics composites dental applications drug-delivery systems endovascular devices glass knee implants medical device design metals nanomaterials natural materials neurostimulation ophthalmic applications orthopedic applications polymers stem cells total hip...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005667
EISBN: 978-1-62708-198-6
... the medical device arena. The additional properties of polymers, such as their high strength-to-weight ratio, radiopacity, and reduced modulus over traditionally used materials, have given medical device designers a new dimension and versatility that previously could not be obtained solely with metals...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005686
EISBN: 978-1-62708-198-6
... programs regardless of the criticality of the device or its function. The aqueous nonvolatile residue is designed to determine the presence of water-soluble substances without regard to their identity. Figure 3 shows the results of aqueous extractions of polymers commonly used in medical devices...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005672
EISBN: 978-1-62708-198-6
..., adhesive selection, and medical applications for adhesives. Curing, as defined in polymer chemistry, is a cross-linking reaction between monomers, oligomers, or polymers that involves the formation of covalent bonds as linkages. However, the term cure is broadly used in the industry...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005678
EISBN: 978-1-62708-198-6
... simulators medical implants metals orthopedic surgery physical properties pin-on-disk experiments pin-on-plate experiments total joint replacement total replacement synovial joints tribological characteristics ultrahigh molecular weight polyethylene wear SYNOVIAL JOINTS are remarkable bearings...
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 common characterization methods that are used to evaluate the physical morphology and chemical properties of component surfaces for medical...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005666
EISBN: 978-1-62708-198-6
... such as metal-on-metal produce smaller-sized (nanometer and submicron) particles that are fairly round in shape (i.e., have an average aspect ratio < 2, where the aspect ratio is the average measure of the length/width of a particle). Traditional, more popular metal-on-polymer articulating bearings...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005655
EISBN: 978-1-62708-198-6
... classification of the different types of bioceramics, and an examination of several methods used to test the biocompatibility of ceramics. An exhaustive review of the range of ceramics in current use in medical applications is not discussed. Humans have sought to replace parts of the human body with foreign...
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
... precious metals is provided in Table 1 . Table 2 provides the corresponding pure metal mechanical properties, and Table 3 contains linear expansion coefficient values for the pure metals. Figures 1(a) and 1(b) examine fluctuations in the U.S. industrial demand for medical and dental usage of the...
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
... synthetic materials such as polypropylene sutures and mesh and acrylic cranial plates. These polymers are at least as well tolerated, are less expensive, and are far easier to manufacture. Fig. 1 Tantalum cranial plate used circa 1945 With respect to contemporary medical uses, tantalum is used...
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: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006776
EISBN: 978-1-62708-295-2
... magnification are then described. Typical microscopic features observed on structural metals are presented subsequently, followed by a brief discussion on fatigue in polymers and polymer-matrix composites. engineering components fatigue fracture fractography metals polymer-matrix composites polymers...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006011
EISBN: 978-1-62708-172-6
... Abstract Polyurethane is any polymer consisting of a chain of repeating organic units joined by urethane linkages. Polyurethane polymers are formed through step-growth polymerization by making a monomer containing at least two isocyanate functional groups to react with another monomer...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003047
EISBN: 978-1-62708-200-6
... fillers, adhesion promoters, tackifiers, and tougheners. It gives a short note on functions of primers and primerless bonding. Applications of adhesives in automotive, aerospace, electronics, electrical, medical, sports, and construction sectors are also described. Finally, the article describes the steps...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003061
EISBN: 978-1-62708-200-6
... Abstract Structural applications for advanced ceramics include mineral processing equipment, machine tools, wear components, heat exchangers, automotive products, aerospace components, and medical products. This article begins with an overview of the wear-resistant applications and the...
Book Chapter

By Matthew Donachie
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003168
EISBN: 978-1-62708-199-3
... grafts. Balloons for angioplasties are made from polyester film. The use of polymers is expanding, especially in the realm of resorbable materials. Common polymers and their medical uses are listed in Table 6 . Table 6 Common polymers and their medical uses Polymer Typical usage...