Additively Manufactured Auxetic Materials for Healthcare Innovations

This review explores the mechanical properties, manufacturing techniques, and biomedical applications of auxetic metamaterials. Auxetic materials, characterized by a negative Poisson's ratio, exhibit unique deformation behaviours that make them highly suitable for medical applications such as orthopedic implants, vascular stents, and protective equipment. The study systematically examines recent advancements in the design and additive manufacturing of auxetic structures, focusing on their mechanical performance, durability, and potential for biomedical innovations. Key research findings from experimental and computational studies are summarized to provide insights into the advantages and challenges of implementing these materials in healthcare. The review highlights current trends, limitations, and future research directions in the field of auxetic metamaterials for biomedical applications.