Abstract
The results of the synthesis of magnesium matrices with a porous structure have been presented. The cavities sizes vary from 10 microns to hundreds of microns. It has been obtained porous magnesium samples coated by spin-coating with biodegradable polycaprolactone. It has been shown that a dense layer of biodegradable polymer more than 50 μm thickness can be formed on the sample surface. Study of the electrochemical properties of the obtained coatings has been carried out. Obtained results suggest that porous magnesium metals with protective coatings can be used as degradable bone substitute implants.
Highlights
Advances in the medical materials science and tissue engineering led to a reorientation of views on the treatment of bone defects and the production of bone implants
One way to form a protective coating on alloys, including magnesium, is plasma electrolytic oxidation (PEO) characterized by high adhesion and composition variability of the formed layers [18,19,20]
This paper presents the results of the formation of multifunctional materials based on magnesium for the needs of implant surgery
Summary
Advances in the medical materials science and tissue engineering led to a reorientation of views on the treatment of bone defects and the production of bone implants. The problems of design a novel implant materials implies a multidisciplinary integrated approach It includes the application of both traditional and additive technologies in the production of required implant material. The main disadvantage of magnesium products is the high rate of degradation in the human body This drawback is eliminated by the additional operation of forming a multifunctional coating on the implant [15,16,17]. The synthesis of porous materials for implantation has already been carried out, including the use of magnesium [4, 21, 22] Protection of such materials from premature and uncontrolled dissolution in the human body is required. We have synthesized and investigated the properties of composite materials based on magnesium foam and a protective coating consisting biodegradable polyester
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