3D Direct Printing of Silicone Meniscus Implant Using a Novel Heat-Cured Extrusion-Based Printer.
作者： Eric Luis , Houwen Matthew Pan , Swee Leong Sing , Ram Bajpai , Juha Song
关键词: Composite material 、 Extrusion 、 Molding (process) 、 Implant 、 Rheology 、 Casting (metalworking) 、 Materials science 、 3D printing 、 Silicone resin 、 Silicone
摘要: The first successful direct 3D printing, or additive manufacturing (AM), of heat-cured silicone meniscal implants, using biocompatible and bio-implantable resins is reported. Silicone implants have conventionally been manufactured by indirect casting molding methods which are expensive time-consuming. A novel custom-made heat-curing extrusion-based printer capable directly printing medical introduced. rheological study the optimization critical process parameters described in detail. surface cross-sectional morphologies printed meniscus implant were also included. time-lapsed simulation heated resin within nozzle computational fluid dynamics (CFD) was done results obtained closely resembled real time printing. Solidworks one-convection model simulation, when compared to on-off model, more correlated with actual probed temperature. Finally, comparative mechanical between heat-molded conducted. opens up opportunities for rapid various customizable devices patients fills current gap industry.
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