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Graphene Coatings for Biomedical Implants
Published on: March 1, 2013
21.8K
Functional Coatings or Films for Hard-Tissue Applications.
1Biomaterials and Tissue Engineering Research Unit, School of AMME, The University of Sydney, Sydney 2006, Australia. guocheng.wang@sydney.edu.cn.
Materials (Basel, Switzerland)
|September 9, 2017
Summary
Metallic implants face challenges like corrosion, poor fixation, and infection. Surface modifications using coatings offer solutions for improved biocompatibility, wear resistance, and antibacterial properties in medical devices.
Area of Science:
- Biomaterials Science
- Materials Engineering
- Surface Chemistry
Background:
- Metallic biomaterials (stainless steel, Co-based alloy, Ti alloys) are crucial for implants like artificial hip joints and dental implants.
- Surface issues include corrosion, wear, poor osseointegration, and infection, limiting implant longevity and efficacy.
- Current limitations necessitate advanced surface engineering to address these challenges.
Purpose of the Study:
- To review surface modification techniques for metallic implants.
- To survey coatings providing anti-corrosion, anti-wear, biocompatibility, bioactivity, and antibacterial properties.
- To highlight solutions for common surface-originated problems in metallic implants.
Main Methods:
- Literature review of surface modification techniques for metallic implants.
- Analysis of coatings applied to metallic biomaterials.
- Survey of studies focusing on anti-corrosion, anti-wear, biocompatibility, bioactivity, and antibacterial effects.
Main Results:
- Various chemical, physical, and biological methods are employed for surface modification.
- Coatings can impart crucial properties like corrosion resistance, wear reduction, enhanced biocompatibility, and bioactivity.
- Surface modifications are effective in providing antibacterial activity, reducing implant-associated infections.
Conclusions:
- Surface modification is essential for overcoming the limitations of metallic implants.
- Advanced coatings significantly enhance implant performance by addressing corrosion, wear, osseointegration, and infection.
- Future research should focus on developing multifunctional coatings for superior implant outcomes.
