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Orthopaedic Proceedings
Vol. 96-B, Issue SUPP_11 | Pages 249 - 249
1 Jul 2014
Bociaga D Niedzielski P Grabarczyk J Nowak D Walkowiak B
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Summary Statement

Innovative nanocomposite carbon coating doped with Si can significantly improve the osseintegration of orthopaedics implants. Additionally, this kind of coating increases the mechanical resistance of the implants, what is especially important on case of joints (frictional pairs).

Introduction

Use of layers of carbon-doped silicon, which leads to the synthesis of layers improving mechanical and biological characteristics, let obtain good strength by volume features. Suitable introduction to the structure of amorphous silicon dioxide layer allow for the production of higher adhesion to metallic substrates and consequently the increased thickness and hardness. The increased thickness of the layer leads to a stronger diffusion barrier to harmful metal ions from the implant material and thus consequently improving the biocompatibility of the implant. Moreover, a silicon beneficial effect on stress relaxation layer formed during the synthesis. This allows for improved biocompatibility, also affects other property obtained in the case of silicon carbide layers, the bacteriastability. This further protects the surface of the implant against the risk of bacterial colonization in both the implantation and subsequent use in the body, and preferably suppressing inflammation and faster healing of surgical wounds. The thus obtained product is much better than the biological and mechanical parameters of currently offered.