This book is a comprehensive guide on the new-generation nanoengineered materials' contribution to the ongoing development of medical devices and other healthcare applications. Nanotechnology has revolutionized cutting-edge medical approaches, including gene therapy, targeted drug delivery, treatment of various chronic and genetic diseases, cancer diagnosis and treatment modalities, and more, leading to the establishment of personalized treatment regimens. The book reports on various nanoparticles, such as metallic and non-metallic nanoparticles, nano-micelles, liposomal nanoparticles, and polymer nanoparticles, being utilized in various aspects of medical and healthcare applications. In addition, novel natural product-based nanomaterials and nanomaterial complexes are also detailed, showing their potential applications. The impact of nanotechnology in promoting bone regeneration and serving as novel dental implants is investigated, along with its applications in skincare. The book examines the crucial role nanotechnology plays in the development of various antimicrobial materials and surfaces, which are being used in the medical sector, including numerous types of wound healing materials, antimicrobial textiles, and PPEs, as well as face masks and gloves. The book concludes with a chapter on nano-coated medical devices. Audience The audience comprises researchers, engineers, and scientists in materials science, nanotechnology, and bioengineering working in the biomedical and bioscience areas and industries.