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Two Photon Polymerization for 3D Printing of Small-Scale Medical Devices (PLENARY)
Keywords: 3D Printing, Hybrid Material, Polymerization
Two photon polymerization is a 3D printing approach that involves use of spatial and temporal overlap of photons for photopolymerization of photosensitive materials within well-defined volumes. Many types of inexpensive photosensitive materials, such as Ormocer® organically-modified ceramic materials and zirconium oxide hybrid materials, may be processed by means of two photon polymerization. We have used two photon polymerization to create many of medical devices, such as microneedles, tissue engineering scaffolds, and other medical devices. In addition, we have used an indirect 3D printing approach known as two photon polymerization-micromolding to create replicas of medically-relevant structures. Our efforts suggest that two photon polymerization and two photon polymerization-micromolding may be used to create many types of small-scale devices for medical applications.
Roger Narayan, Professor
UNC/NCSU Joint Department of Biomedical Engineering
Raleigh, NC
USA


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