| Issue |
MATEC Web of Conferences
Volume 7, 2013
JA 2013 – Journées Annuelles de la SF2M 2013 / SF2M Annual Meeting 2013
|
|
|---|---|---|
| Article Number | 04021 | |
| Number of page(s) | 3 | |
| Section | Colloque 4 : Biomatériaux / Biomaterials | |
| DOI | https://doi.org/10.1051/matecconf/20130704021 | |
| Published online | 07 November 2013 | |
Revêtements d'hydroxyapatite réalisés par projection plasma : vers de nouvelles fonctionnalités
Plasma Sprayed Hydroxyapatite Coatings: Towards new functions
Institut Carnot CIRIMAT, UMR CNRS-INPT-UPS 5085, ENSIACET, 4 allée E. Monso, 31030 Toulouse Cedex 4, France
Dans les stratégies de remplacement/reconstruction des os et des articulations, il est souvent fait appel à des matériaux revêtus. Le matériau de structure permet d'assurer une bonne tenue mécanique et le revêtement doit faciliter et pérenniser l'ancrage dans le site osseux. Dans ce contexte, la technique de projection plasma est largement utilisée pour réaliser industriellement des revêtements d'hydroxyapatite. Nous proposons ici de faire une revue sur les avancées en termes de procédé (projection plasma dc ou rf, de suspensions/solutions, basse énergie, …) couplé à des compositions d'hydroxyapatite modifiées.
Abstract
Engineered implants for bone and joints replacement very often require coated metallic substrates. The coating is aimed at creating conditions for bone regeneration while still maintaining the bulk mechanical properties of the metallic substrate. Among coating technologies, plasma spray deposition is the most widely used to produce commercial hydroxyapatite coatings. In the present paper, attempts are made to give an overview of latest process developments (suspensions/solutions plasma spray, dc vs rf plasma spray, low energy torch…) as well as materials innovations (doped hydroxyapatite…).
© Owned by the authors, published by EDP Sciences, 2013
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