From research to industry: transferring bioactive laser treated surfaces to the production of biomedical screws

Yoan Di Maio; Guillaume Aubert; Alina Pascale-Hamri; Xxx Sedao; Mathieu Maalouf; Martina Muck; David Pallarés Aldeiturriaga; Julien Granier; Steve Papa; Virginie Dumas; Alain Guignandon; Johannes Heitz; Nicolas Compère

doi:10.1117/12.2655697

17 March 2023 From research to industry: transferring bioactive laser treated surfaces to the production of biomedical screws

Yoan Di Maio, Guillaume Aubert, Alina Pascale-Hamri, Xxx Sedao, Mathieu Maalouf, Martina Muck, David Pallarés Aldeiturriaga, Julien Granier, Steve Papa, Virginie Dumas, Alain Guignandon, Johannes Heitz, Nicolas Compère

Author Affiliations +

Proceedings Volume PC12411, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XXIII; PC1241103 (2023) https://doi.org/10.1117/12.2655697
Event: SPIE LASE, 2023, San Francisco, California, United States

Abstract

In this presentation, we will show the latest advances in the context of the European H2020 Horizon project LaserImplant. Functionalized surfaces by ultrashort laser texturing were developed with the aim of improving the biocompatibility and efficiency of medical screws. Both osteoblast cell repellent surfaces as well as surfaces promoting osteogenesis were studied and characterized by bone cells’ growth and wettability tests. Beam delivery strategies were anticipated for future industrial requirements. Compromises had to be found to implement different textures in one unique solution. Targeted processing times as well as quality robustness were at stake for complex cylindrical shapes with multiple dimensions. Upscaling experiments put in evidence thermal effects due to energy deposition acceleration. Solutions were finally found to overcome speed limitations by selecting dedicated optical systems together with adapted synchronized processes.

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Yoan Di Maio, Guillaume Aubert, Alina Pascale-Hamri, Xxx Sedao, Mathieu Maalouf, Martina Muck, David Pallarés Aldeiturriaga, Julien Granier, Steve Papa, Virginie Dumas, Alain Guignandon, Johannes Heitz, and Nicolas Compère "From research to industry: transferring bioactive laser treated surfaces to the production of biomedical screws", Proc. SPIE PC12411, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XXIII, PC1241103 (17 March 2023); https://doi.org/10.1117/12.2655697

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KEYWORDS

Biomedical optics

Medical research

Bone

Adhesives

Laser development

Natural surfaces

Industrial chemicals

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