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'''Title''':  3D printing for health & wealth: Fabrication of custom-made medical devices through additive manufacturing.
 
  
 
'''Authors and full affiliations:''' Alessandro Colpani1,a), Antonio Fiorentino1,b), and Elisabetta Ceretti1,c)
 
'''Authors and full affiliations:''' Alessandro Colpani1,a), Antonio Fiorentino1,b), and Elisabetta Ceretti1,c)
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'''Keywords:''' biocompatible silicone, dental field, audiological field, maxillary prostheses.
 
'''Keywords:''' biocompatible silicone, dental field, audiological field, maxillary prostheses.
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'''Abstract:''' Additive Manufacturing (AM) differs from traditional manufacturing technologies by its ability to handle complex shapes with great design flexibility. These features make the technique suitable to fabricate customized components, particularly answering specific custom needs. Although AM mainly referred to prototyping, nowadays the interest in direct manufacturing of actual parts is growing. This article shows the application of AM within the project 3DP-4H&W (3D Printing for Health & Wealth) which involves engineers and physicians for developing pediatric custom-made medical devices to enhance the fulfilling of the patients specific needs. In the project, two types of devices made of a two-component biocompatible silicone are considered. The first application (dental field) consists in a device for cleft lip and palate. The second one (audiological field) consists in an acoustic prosthesis. The geometries of the devices are based on the anatomy of the patient that is obtained through a 3D body scan process. For both devices, two different approaches were planned, namely direct AM and indirect Rapid Tooling (RT). In particular, direct AM consists in the FDM processing of silicone, while RT consists in molds FDM fabrication followed by silicone casting. This paper presents the results of the RT method that is articulated in different phases: the acquisition of the geometry to be realized, the design of the molds taking into account the casting feasibility (as casting channel, vents, part extraction), the realization of molds produced through AM, molds surface chemical finishing, pouring and curing of the silicone. The fabricated devices were evaluated by the physicians team that confirmed the effectiveness of the proposed procedure in fabricating the desired devices. Moreover, the procedure can be used as a general method to extend the range of applications to any custom-made device for anatomic districts, especially where complex shapes are present (as tracheal or maxillary prostheses).
 
  
 
'''Purpose:''' Show the application of AM within the project 3DP-4H&W (3D Printing for Health & Wealth) which involves engineers and physicians for developing pediatric custom-made medical devices.
 
'''Purpose:''' Show the application of AM within the project 3DP-4H&W (3D Printing for Health & Wealth) which involves engineers and physicians for developing pediatric custom-made medical devices.

Versione delle 19:27, 8 gen 2020

Authors and full affiliations: Alessandro Colpani1,a), Antonio Fiorentino1,b), and Elisabetta Ceretti1,c) Department of Mechanical and Industrial Engineering, University of Brescia, Italy

Keywords: biocompatible silicone, dental field, audiological field, maxillary prostheses.

Purpose: Show the application of AM within the project 3DP-4H&W (3D Printing for Health & Wealth) which involves engineers and physicians for developing pediatric custom-made medical devices.

Methodology: Direct AM: FDM processing of silicone. Indirect Rapid Tooling (RT): molds FDM fabrication followed by silicone casting.

Practical implications: developing pediatric custom-made medical devices.

Link: AIP Conference Proceedings 1960, 140006 (2018); https://doi.org/10.1063/1.5034998

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