2008-10-15 01:01:02 -

www.researchandmarkets.com - Research and Markets (www.researchandmarkets.com/research/cc699a/shape_memory_alloy) has announced the addition of Woodhead Publishing Ltd's new report "Shape Memory Alloys for Biomedical Applications" to their offering.

This Report:

- comprehensively reviews shape memory metals and devices for medical applications

- discusses materials, mechanical properties, surface modification and biocompatibility

-

reviews medical and dental devices using shape memory metals, including stents and orthodontic devices

Shape memory alloys are suitable for a wide range of biomedical applications, such as dentistry, bone repair and cardiovascular stents. Shape memory alloys for biomedical applications provides a comprehensive review of the use of shape memory alloys in these and other areas of medicine.

Part one discusses fundamental issues with chapters on such topics as mechanical properties, fabrication of materials, the shape memory effect, superelasticity, surface modification and biocompatibility. Part two covers applications of shape memory alloys in areas such as stents and orthodontic devices as well as other applications in the medical and dental fields.

With its distinguished editors and international team of contributors, Shape memory alloys for biomedical applications will be an essential reference for materials scientists and engineers working in the medical devices industry and in academia.

Key Topics Covered:

PART 1 MATERIALS

The shape memory effect and superelasticity in Ti-Ni alloys

S Miyazaki, University of Tsukuba, Japan and R Sachdeva, OraMetrix, USA

Introduction. Shape memory effect and superelasticity. Elasticity and superelasticity. Superelasticity in clinical orthodontics. Superelasticity characteristics. Extraporation factors affecting superelasticity. Conclusions. References.

Mechanical properties of shape memory alloys

H Hosoda, Tokyo Institute of Technology, Japan

Introduction. Stress-strain curves. Stabilization of shape memory effect and superelasticity. Strain-temperature curves. Thermo-mechanical treatment. Multistage transformation. Texture effect. Summary. References.

Thermodynamics of the shape memory effect in Ti-Ni alloys

Y Liu, The University of Western Australia, Australia

Thermal-mechanical coupling of thermoelastic martensitic transformation. Thermoelasticity of martensitic transformations. Equilibrium thermodynamic theory of thermoelastic martensitic transformations. Phenomenological thermodynamic theory of thermoelastic martensitic transformations. Unified thermodynamic expression of thermoelastic martensitic transformations. Thermodynamic expression of transformation temperatures. Transformation heats. Experimental verifications and interpretations. Generality of thermodynamic theories of thermoelastic martensitic transformations. Summary. References.

Alternative shape memory alloys

H Y Kim and S Miyazaki, University of Tsukubs, Japan

Introduction. Shape memory effect and superelasticity in Ti-Nb based alloys. Effect of interstitial alloying elements on shape memory properties of Ti-based shape memory alloys. Effect of heat treatment condition on shape memory properties of Ti-based shape memory alloys. Effect of textures on shape memory properties of Ti-based shape memory alloys. Ti-Mo based shape memory alloys. Ti-V based shape memory alloys. Conclusions. References.

Fabrication of shape memory alloy parts

T Habu, Furukawa Techno Material Co. Ltd, Japan

General processing techniques for Ti-Ni alloys. Other machining methods for Ti-Ni alloys. Required properties of Ti-Ni alloys used in medical devices. Future trends. References.

Response of Ti-Ni alloys for dental biomaterials to conditions in the mouth

Y Oshida, Syracuse University and Indiana University, F Farzin-Nia, Ormco Corporation, USA

Introduction. Discoloration. Corrosion of Ti-Ni alloys in various media. Corrosion behaviour of Ti-Ni alloys in fluoride-containing solution. Corrosion behaviour of Ti-Ni alloys in chlorine ion containing solution. Corrosion behaviour of Ti-Ni alloys in artificial saliva. Corrosion behaviour of Ti-Ni alloys in simulated body fluid. Effects of alloying elements in Ti-Ni alloy on corrosion behaviour. Effect of surface modification on corrosion resistance. Release of metal ions and dissolution of Ti-Ni alloys. Allergic reaction, toxicity, and biocompatibility of Ti-Ni alloys. Galvanic corrosion of Ti-Ni alloys. Microbiology-induced corrosion (MIC) of Ti-Ni alloys. Formation of titanium oxides. Air-formed titanium oxides. Passivation of Ti-Ni alloys. Oxidation at elevated temperatures. Crystal structures of titanium oxides. Characterization of oxides. Oxide growth, stability and breakdown. Reaction with hydrogen peroxide. Reaction of titanium hydrogen. References.

Understanding, predicting and preventing failure of Ti-Ni shape memory alloys used in medical implants

K Gall, Georgia Institute of Technology, USA

Introduction. Overview of Ti-Ni mechanical failure modes. Inelastic deformation and fracture. Fatigue failure and life analysis. Influence of processing and material structure on material failure. Influence of manufacturing and surface finish on material failure. Summary and future trends. Sources of further information and advice. References.

Surface modification of Ti-Ni alloys for biomedical applications

M F Maitz, Leibniz Institute of Polymer Research Dresden, Germany

Introduction. Surface finishing. Surface passivation. Coatings. Sterilization. Summary. References.

Biocompatibility of Nitinol for biomedical applications

S Shabalovskaya, Ames Laboratory, USA and J Van Humbeeck, Katholieke University Leuven, Belgium

Introduction. Biomechanical compatibility. Comparative metal toxicity. Patterns of nickel release from Nitinol. Response of cells to Ni release. Thrombogenic potential, platelet adhesion and protein adsorption. Biological responses to modified Nitinol surfaces. In vivo responses. Conclusions and future trends. References.

PART 2 MEDICAL AND DENTAL DEVICES

Self-expanding Nitinol stents for the treatment of vascular disease

D Stoeckel, A Pelton and T Duerig, Nitinol Devices and Components, USA

Introduction. Nitinol specific device characteristics. Nitinol stent designs. Biocompatibility and corrosion. Fatigue and durability of Nitinol stents. Sources of further information and advice. References.

Orthodontic devices using Ti-Ni shape memory alloys

F Farzin-Nia, Ormco Corporation, USA and T Yoneyama, Nihon University School of Dentistry, Japan

Introduction. Wire properties in various stages of orthodontic treatment. Evolution of orthodontics wires. Ti-Ni orthodontic archwires. Ti-Ni based alloy wires - effects of additional elements. Chemical properties in oral environment. Other orthodontic appliances. Future trends. References.

Endodontic instruments for root canal treatment using Ti-Ni shape memory alloys

T Yoneyama, Nihon University School of Dentistry and C Kobayashi, Tokyo Medical and Dental University, Japan

Root canal treatment. Stainless-steel instruments. Ti-Ni alloy instruments. Root canal preparation system with Ti-Ni alloy instruments. Future development of Ti-Ni alloy instruments. References.

Regulation orthopaedic, dental, endovascular and other applications of Ti-Ni shape memory alloys

L 'H Yahia and F Rayes, Ecole Polytechnique de Montreal and A O Warrak, University of Montreal, Canada

Introduction. USA Food and Drug Administration status of Ti-Ni medical devices. Orthopaedic/dental applications of Ti-Ni shape memory alloys. Endovascular applications or interventions. Other applications of Ti-Ni shape memory alloys. Conclusions. References.

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