By ASTM International
Reactive metals and their alloys are utilized in a number of biomedical purposes from velocity makers to hips implants. This new ASTM e-book offers the newest advancements on those alloys, their processing innovations for scientific purposes, characterization of basic fabrics homes serious to their use for biomedical purposes, and assessment of organic and medical functionality.
Eighteen peer-reviewed papers conceal:
Alloy Processing—includes info at the formula and processing of 5 vital, new implantable metal biomaterials:
• Ti-12Mo-6Zr-2Fe alloy (''TMZF'') • Zr-2.5Nb alloy (''Oxidized Zirconium'', ''Oxinium'') • Tantalum foam (''Trabecular Metal'') • Ti-35Nb-7Zr-5Ta alloy (''TiOsteum'') • Ti-15Mo alloy
Alloy Properties—focuses at the bulk and floor houses, specially pressure corrosion cracking and fatigue, of a couple of assorted titanium alloys, that could be used for implants. additional info is equipped at the fracture mechanisms of numerous of those alloys.
Biological and medical Evaluation—deals with the organic and scientific overview of titanium, niobium, zirconium and tantalum utilized in the clinical and surgical surroundings, together with a brand new approach to grit-blasting for implant surfaces, medical overview of 14 retrieved modular physique (SROM) overall hip stems got rid of on the time of revision surgical procedure, and a pragmatic method to generate titanium and chrome steel put on particles debris to be used in additional research of the method of osteolysis and its remedy.
Read Online or Download Niobium, Zirconium, and Tantalum for Medical and Surgical PDF
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Additional info for Niobium, Zirconium, and Tantalum for Medical and Surgical
Example text
Bobyn, J. , Toh, K. , Tanzer, J. , and Krygier, J. , “Fibrous Tissue Ingrowth and Attachment to Porous Tantalum,” J of Arthroplasty, Vol. 14, No. 3, April 1999, pp. 347–354. Medlin, D. , “Metallurgical Characterization of a Porous Tantalum Biomaterial (Trabecular Metal™) for Orthopedic Implant Applications,” Proceedings from Materials and Processes for Medical Devices, 8– 10 September, 2003, ASM International, 2004, pp. 394–398. Annual Book of ASTM Standards, Section Thirteen, “Medical Devices and Services,” Vol.
The polyurethane cell density and pore geometry dictate the final pore size and homogeneous Manuscript received 19 October 2004; accepted for publication 25 April 2005; published November 2005. Presented at ASTM Symposium on Titanium, Niobium, Zirconium, and Tantalum for Medical and Surgical Applications on 9-10 November 2004 in Washington, DC. O. Box 708, Warsaw, IN, 46581, USA. O. Box 708, Warsaw, IN 46581, USA. Copyright © 2006 by ASTM International 30 MEDLIN ET AL. ON POROUS TANTALUM FOAM 31 mechanical properties of the tantalum foam.
The method of using a sprayed titanium powder as an interlayer between the tantalum foam and the titanium substrate resulted in a metallurgical bond between the sintered titanium powder and the substrate and a predominately mechanical interlock between the tantalum foam and the sintered powder. The diffusion bond method resulted in a metallurgical bond between the tantalum foam and the titanium substrate with evidence of tantalum diffusion into the titanium. Both attachment methods resulted in satisfactory mechanical bond strengths.
