Abstract
Most of the fixation implants for tibia fracture are made of various metallic alloys based on titanium or even stainless steel. But modern technologies and advanced materials offer endless opportunities of using polymers combined with various fillers to enhance and adjust mechanical properties in order to be as suitable and convenient for any patient.
Highlights
Most of the fixation implants for tibia fracture are made of various metallic alloys based on titanium or even stainless steel
There is currently a large range of osteosynthesis materials used for tibia fracture fixation and only the expertise of the orthopedic surgeon and medical engineer allow the adequate selection for every particular situation.[6]
The failure of fixation implants might occur due to a faulty design or a deficient manufacturing, but the causes may vary from person to person
Summary
Most of the fixation implants for tibia fracture are made of various metallic alloys based on titanium or even stainless steel. The implant materials should be flexible and resistant in order to facilitate the fracture fixation, mostly steel and titanium alloys are the usual choices because of their excellent strength and corrosion resistance. If wear resistance is more important, Co-Cr alloys are sometimes considered.[1] But the costs of the implants are quite high and the wastes become important as the implants can be used only once and the goal is to improve outcome and diminish the costs.[2] The alternative is using implantable polymers, which can be according to the duration in the body, short-term (meaning less than 30 days in contact with the human body) and long-term to permanent.[3] Long-term implantable polymers include biodurable materials like polyethylene and polyketone (PEEK) which have an excellent biocompatibility.[4]The chemical structure of ketones provides stability at high temperatures, resistance to chemical and radiation damage, compatibility with many reinforcing elements, and greater strength than many metals.[5].
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