Upload
others
View
9
Download
0
Embed Size (px)
Citation preview
Melt Electrohydrodynamic Writing: An emerging technique for 3D
printing
Paul Dalton Adjunct Associate Professor
Institute of Health and Biomedical Innovation Queensland University of Technology, AUSTRALIA
www.daltonlab.com
3D Printed Gun
Cody Wilson, University of Texas
3D Printed Clinical Products
Probst FA et al. (2010) Handchir Mikrochir Plast Chir, 42, 369.
Peripheral Nerve Injury
Current Composite Structures
Melt Electrohydrodynamic Writing Melt Electrospinning Writing
Dalton et al. (2007) Polymer, 48, 6823.
Melt Electrohydrodynamic Writing
Electrohydrodynamic Writing & Layering
Brown et al. (2011) Advanced Materials, 23, 5651-57.
Melt Electrohydrodynamic Writing
Farrugia et al. Biofabrication, 5, 025001.
100µm
Scaffold Only Constructs
Writing onto Cylinders
30° 60°45° 2 mm2 mm 2 mm
Brown et al. (2012) Biointerphases, 7, 13. 100 μm
Tubular Scaffolds
Brown et al. (2012) Biointerphases, 7, 13.
Writing on Cylinders
Non-Linear Deposition
Tissue Engineering Research
Tissue Engineered Products
Valley of Death Funding: Venture Capital?, SBIR?, Corporate Partnerships? Basic Research Funding:
NIH, NSF, DOD, etc. Commercialization Funding: Large Companies, Private Equity
Insurance Reimbursed Clinical Products
Regulatory Approval Pre-Clinical Studies: ISO/FDA Guided
Bench Tests: Large Targeted Animal Studies:
Design/Manufacturing: Design, History, Input GMP Manufacturing:
Surgeon Acceptance
CLINICAL TRIALS: Basic In Vivo Research: Small Animal Model; Rudimentary Biologic/ Scaffold Constructs
Basic In Vitro Research: Cell Isolation; Material Synthesis
The Valley of Death
Summary of Melt Electrohydrdynamic Writing
• Distinct Process
• Inexpensive
• Good Resolution
• High Scaffold Porosity
• Solvent Free Process
• Clinical Potential
Acknowledgements Queensland University of
Technology, Australia
• Toby Brown • Brooke Farrugia • Tim Dargaville • Dietmar Hutmacher • Anna Slotosch • Laure Thibaudeau • Lourdes Muerza Cascante • Elena Juan Puardo • Annika Reitz
University of Würzburg
• Jürgen Groll • Tomasz Jungst
DWI an der RWTH
• Martin Moeller • Dirk Grafahrend • Kristina Klinkhammer
www.daltonlab.com
Literature
• Dalton et al. (2013), Biomaterials Science, 1, 171. • Hutmacher & Dalton (2011), Chemistry: An Asian Journal,
6, 44-56. • Farrugia et al. (2013) Biofabrication, 5, 025001. • Brown et al. (2012) Biointerphases, 7, 13. • Brown et al. (2011) Advanced Materials, 23, 5651-57. • Dalton et al. (2008) Biomedical Materials, 3, 034139. • Dalton et al. (2007) Polymer, 48, 6823.
www.daltonlab.com www.meltelectrospinning.org
Melt Electrohydrodynamic Writing: An emerging technique for 3D printingSlide Number 2Slide Number 33D Printed Gun3D Printed Clinical ProductsSlide Number 6Peripheral Nerve InjuryCurrent Composite StructuresSlide Number 9Slide Number 10Slide Number 11Melt Electrohydrodynamic WritingSlide Number 13Electrohydrodynamic Writing & LayeringMelt Electrohydrodynamic WritingSlide Number 16Slide Number 17Scaffold Only ConstructsWriting onto CylindersTubular ScaffoldsWriting on CylindersNon-Linear DepositionSlide Number 23Slide Number 24Summary of Melt Electrohydrdynamic WritingAcknowledgementsLiterature