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5. 3D printing of collagen-based materials
The geometric shape of a biomaterial is also very important for certain applications. The range of shapes that can be achieved by simply molding a precursor solution is limited. 3D printing, on the other hand, makes it possible to design materials of virtually any geometric complexity. Implants with a patient-specific shape can be custom-designed and printed to integrate perfectly at the site of injury. Medical images, obtained by CT scan or MRI for example, can be used to design the implant. A 3D file is first generated using computer-aided design (CAD) software. This file serves as a blueprint, containing instructions for the printer to deposit the material in the desired location. During the printing process, the three-dimensional object is built up by successive stacking of thin layers: this is known as additive manufacturing.
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3D printing of collagen-based materials
Conclusion: towards biomimetic synthetic fabrics
Bibliography
Events
Gordon Research Conferences (GRC), two different themes are addressed at two separate conferences held in the USA every two years (odd-numbered years): collagen on the one hand, and biomaterials and tissue engineering on the other.
https://www.grc.org/find-a-conference/
World Biomaterials Congress (WBC), the next...
Standards and norms
- ISO Évaluation biologique des dispositifs médicaux. Partie 6 : essais concernant les effets locaux après implantation. - NF EN ISO 10993-6 - Avril 2017
Patents
New Hydrogels with Silyl Structure and Production Process. FR 1556628, WO 2017009200 A1.
Directory
Manufacturer – Supplier
Bio-printers and bio-inks (in particular Collagen LifeInk® 200, an ink based on bovine type I collagen)
BioBots, which became Allevi in 2017
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