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    Safe-by-design strategies applied to scaffold hybrid manufacturing

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    1953_012009.pdf (860.0Kb)
    Identifiers
    URI: http://hdl.handle.net/11556/1167
    ISSN: 1742-6588
    DOI: 10.1088/1742-6596/1953/1/012009
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    Author/s
    López De Ipiña, Jesús M.; Vaquero, Celina; Egizabal, Ainhoa; Patelli, Alessandro; Moroni, Lorenzo
    Date
    2021-06
    Keywords
    Health risks
    Printing presses
    Safety engineering
    Volatile organic compounds
    Ventilation exhausts
    3D printers
    Abstract
    The EU-project FAST (GA 685825) has developed a 3D printer machine prototype for the manufacture of bone implants (scaffolds), by merging masterbatches of biodegradable polymer poly(ethylene oxide)terephthalate/poly(butylene terephthalate) [PEOT/PBT] doped with nanofillers [reduced graphene oxide (rGO), hydroxyapatite (HA) and magnesium aluminium hydroxide ciprofloxacin hydrotalcite (LDH-CFX)], and atmospheric plasma technology. This paper focus on the safe design strategies identified by FAST to address the risk to health resulting from the potential airborne emission of nano-objects and their aggregates and agglomerates (NOAAs) by the 3D printer prototype, which might result in occupational exposures by inhalation. The work also includes measurements of airborne emissions and occupational exposures carried out during the verification stage of the prototype design. Nanofillers particles (rGO, n-HA, LDH-CFX) were not observed, neither at source nor in the working area, suggesting no ...
    Type
    conferenceObject

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