• Porous Scaffolds From UPC Researchers For FDM 3D Printing Show Promises Fulfilled

    Porous Scaffolds From UPC Researchers For FDM 3D Printing Show Promises Fulfilled

    Researchers from the Polytechnic University of Catalonia (UPC) in Barcelona developed a new method of designing porous scaffolds for FDM 3D printing using a dual-extruder Sigma 3D printer from BCN3D to fabricate three sample scaffolds out of PLA, and then measuring their pore size and total porosity. They applied their model to a disc shape and defined three different variables: Distance between parallel planes; Number of base points for columns on each plane and Radius of each column.

  • 3D Printed Orthotics Gets Streamlined Digital Workflow By CYBER Team Through FDM and Topology Optimization

    3D Printed Orthotics Gets Streamlined Digital Workflow By CYBER Team Through FDM and Topology Optimization

    The CYBER Team, or Cyber-Physical Design and Additive Manufacturing of Custom Orthoses, is funded by America Makes, the national accelerator for 3D printing and additive manufacturing based in Youngstown, Ohio, and was formed in 2016 by Stratasys, the University of Michigan, and Altair Engineering, aiming at Orthotic needs for Veterans. The CYBER Team is working on project, with a total budget of $2 million to combine cloud-based designs and Stratasys’ FDM technology to reduce orthotic outpatient visits from three to one by developing 3D printing-specific functionality, built on optimization software package Altair OptiStruct and OptiStruct for digitalization.

  • Magnet-Plastic Heart Through 3D Printed Artificial Heart Pumps Like Real Heart

    Magnet Plastic Heart Through 3D Printed Artificial Heart Pumps Like Real Heart

    Kai von Petersdorff-Campen, a doctoral student in the mechanical and process engineering department at ETH Zurich, revealed his prototype of Magnet-Plastic Heart made through 3D Printing which took him 15 hears. The method, so called embedded magnet printing, involved 3D printing the magnets directly in the plasti and making processing them into filament strands, before they are 3D printed using FDM technology. The prototype of 3D printed heart pump was able to successfully pump 2.5 liters per minute with 1,000 rotations, but still needs to meet the required standards.

  • Hot-Melt Extrusion Combined With FDM For Drug Delivery Systems

    Hot Melt Extrusion Combined With FDM For Drug Delivery Systems

    A group of researchers from the University of Sussex are working towards Drug Delivery Systems by combining FDM technology with Hot-Melt Extrusion (HME) which involves blending of Active pharmaceutical ingredients (APIs) with a thermoplastic polymer, and extrusion as filaments. Through pairing of HME with FDM technology, the researchers can help increase the range of usable FDM polymers and improve the usability of FDM 3D printers across many industries. HME, which does not require the use of a solvent, can be used to make drugs with a less bitter taste, while also lowering production times and increasing process efficiency.

  • Spanish Hospital Acquires Stratasys FDM Technology For Complex Surgeries

    Spanish Hospital Acquires Stratasys FDM Technology For Complex Surgeries

    Biodonostia Health Research Institute, a medical research institute in Basque, Spain, recently partnered with Tecnun, a specialist division of the Universidad de Navarra, and Tknika, a regional Research and Applied Innovation Center for Vocational Education and training, in order to help its surgeons harness FDM 3D printing technology from Stratasys to help in surgical preparation and planning. With the help from partnership, the surgical teams can receive highly accurate 3D printed medical models, made with Stratasys’ FDM technology, within 24 hours which can help patient care by reducing the amount of time patients spend in surgery, especially surgeries for complex thoracic wall tumors.

  • Evaluating The Benefits Of 3D Printing In Flat Foot

    Evaluating The Benefits Of 3D Printing In Flat Foot

    Researchers from Taiwan performed an ANOVA study to determine the effectiveness of 3D Printing in helping people with Flat Foot. 18 Foot Orthoses (FO) samples were 3D Printed at orientations of 0°, 45°, and 90°, and subjected to human motion analysis, with 12 flatfooted individuals. 3D scans of the participants’ feet were exported as an STL file, which was edited with Autodesk Meshmixer software and 3D Printed out of PLA filament on an Infinity X1 FDM 3D printer. The build parameters of the FOs were defined using Ultimaker Cura 3.3 software. The results indicated that the 45° build orientation produced the strongest FOs. In addition, the maximum ankle evertor and external rotator moments under the Shoe+FO condition were significantly reduced by 35% and 16%, respectively, but the maximum ankle plantar flexor moments increased by 3%, compared with the Shoe condition.

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