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Applications of ceramics in medicine

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by

varin suwanwalaikorn

on 6 December 2013

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Transcript of Applications of ceramics in medicine

Use of ceramic in prosthetic hip replacements
Use of ceramics in hip implants
Artificial hip implants
Properties required
Micro structure
Material selection charts
Why might ceramic-ceramic be better than metal-metal?
Why?
Summary
Production process




Prosthetic ceramic-ceramic femur structure
Bio compatible
Tough
Stiff (high Young's modulus
Chemically inert
Hypoallergenic
Resistant to degradation
Hard
molecular structure
individual grains
Bibliography
Digestion
Clarification
Precipitation
Evaporation and classification
Calcination
Alumina
4 main types:
metal-metal
ceramic-ceramic
ceramic-plastic
metal-plastic
Ceramics
History
Classification
Structures
Medical aspect
grain boundary
ionic bonds formed between oxide ions and aluminium ions
Applicability?
Potential allergies?
Problematic kidney?
http://www.azom.com/article.aspx?ArticleID=5697
http://en.wikipedia.org/wiki/Ceramic
http://en.wikipedia.org/wiki/Hip_replacement
http://www.ncbi.nlm.nih.gov/pubmed/3069846
http://www.ceramics.org/
http://global.kyocera.com/prdct/fc/list/tokusei/gousei/index.html
http://www.morgantechnicalceramics.com/products-materials/about-ceramics/advanced-ceramics/alumina/
http://ceramics.org/learn-about-ceramics/microstructure-of-ceramics
http://www.matweb.com/search/DataSheet.aspx?MatGUID=af224bdb74ca4e44bbf65319d8461894&ckck=1
http://bauxite.world-aluminium.org/refining/process.html

ceramic used in prosthetic implant needs to be:
Bio compatible
Tough (high Young's Modulus)
Chemically inert
Hypoallergenic
Resistant to degradation
Hard
Arrangement
rhombohedral crystals arranged in hexagonal structure
polycrystalline structure
metals
composite
polymers
ceramic
?
Full transcript