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Advancing 3-Dimensional Printed Burr Hole and Craniotomy Models for Neurosurgical Simulation Through Multimaterial Methods.
World Neurosurg
December 2024
Centre for Advanced Materials Processing and Manufacturing (AMPAM), The University of Queensland, Brisbane, Australia; School of Mechanical and Mining Engineering, Faculty of Engineering, Architecture and Information Technology, The University of Queensland, Brisbane, Australia.
Objective: Three-dimensional (3D) printing technology presents a promising avenue for the development of affordable neurosurgical simulation models, addressing many challenges related to the use of cadavers, animal models, and direct patient engagement. The aim of this study is to introduce and evaluate a new high-fidelity neurosurgical simulation model targeted for both burr hole and craniotomy procedures.
Methods: 12 different 3D-printed skull models were manufactured using 5 different materials (polyether ether ketone, White Resin, Rigid 10K, Bone, and Skull) from 3 different 3D print processes (fused filament fabrication, stereolithography [SLA], and material jetting).
Multimaterial Embedded 3D Printing of Composite Reinforced Soft Actuators.
Research (Wash D C)
April 2023
Key Laboratory of Coastal Environment and Resources of Zhejiang Province, School of Engineering, Westlake University, Hangzhou, Zhejiang Province, China.
Soft pneumatic actuators (SPAs) have attracted enormous attention in the growing field of robotics. Among different SPAs, composite reinforced actuators (CRAs) are widely used because of their simple structure and high controllability. However, multistep molding, a time-consuming method, is still the predominant fabrication method.
View Article and Find Full Text PDFTemporally Stable Supramolecular Polymeric Salts Enabling High-Performance 3D All-Aromatic Polyimide Lattices.
Small
August 2023
School of Molecular Sciences and Biodesign Center for Sustainable Macromolecular Materials and Manufacturing, Arizona State University, Tempe, AZ, 85281, USA.
Vat photopolymerization (VP) Additive Manufacturing (AM), in which UV light is selectively applied to cure photo-active polymers into complex geometries with micron-scale resolution, has a limited selection of aliphatic thermoset materials that exhibit relatively poor thermal performance. Ring-opening dianhydrides with acrylate-containing nucleophiles yielded diacrylate ester-dicarboxylic acids that enabled photo-active polyimide (PI) precursors, termed polysalts, upon neutralization with an aromatic diamine in solution. In situ FTIR spectroscopy coupled with a solution and photo-rheological measurements revealed a previously unknown time-dependent instability of 4,4'-oxydianiline (ODA) polysalts due to an aza-Michael addition.
View Article and Find Full Text PDFLow-cost and open-source three-dimensional (3D) printing in neurosurgery: A pilot experiment using direct drive modification to produce multi-material neuroanatomical models.
Clin Neurol Neurosurg
May 2023
Department of Neurosurgery, Faculty of Medicine, Universitas Padjadjaran, Indonesia; Graduate School of Biomedical, Sciences, Doctoral Program, Faculty of Medicine, Universitas Padjadjaran, Indonesia. Electronic address:
Background: 3-dimensional (3D) printing carries a genuine potential for pre-operative planning in neurosurgery. Entry-level 3D printers offer practicality in low resource settings, but are often limited by the range of filament materials as well as the capability of open-source segmentation software.
Objective: We intended to demonstrate that 3D printing of neuroanatomical structures is possible using an entry-level 3D printer equipped with the direct drive (DD) modification, which supported flexible filaments, with the models segmented using an open-source software.
Application of and Prospects for 3-Dimensional Printing in Transcatheter Mitral Valve Interventions.
Rev Cardiovasc Med
February 2023
Department of Cardiovascular Surgery, Xijing Hospital, Air Force Medical University, 710032 Xi'an, Shaanxi, China.
Unlabelled: Mitral valve (MV) disease is one of the most common valvular diseases that endangers health status. A variety of catheter-based interventions have been developed to treat MV disease. The special anatomical structures of the MV complex increase the difficulty of interventional surgery, and the incidence of perioperative complications remains high.
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