Handbook of Polymer Applications in Medicine and Medical Devices

Download or read book Handbook of Polymer Applications in Medicine and Medical Devices written by Zheng Zhang and published by Elsevier Inc. Chapters. This book was released on 2013-12-05 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: The design and development of tissue-engineered products has benefited from many years of clinical utilization of a wide range of biodegradable polymers. Newly developed biodegradable polymers and modifications of previously developed biodegradable polymers have enhanced the tools available for creating clinically important tissue-engineering applications. Insights gained from studies of cell-matrix interactions, cell-cell signaling, and organization of cellular components, are placing increased demands on medical implants to interact with the patient’s tissue in a more biologically appropriate fashion. Whereas in the twentieth century biocompatibility was largely equated with eliciting no harmful response, the biomaterials of the twenty first century will have to elicit tissue responses that support healing or regeneration of the patient’s own tissue. This chapter surveys the universe of those biodegradable polymers that may be useful in the development of medical implants and tissue-engineered products. Here, we distinguish between biologically derived polymers and synthetic polymers. The materials are described in terms of their chemical composition, breakdown products, mechanism of breakdown, mechanical properties, and clinical limitations. Also discussed are product design considerations in processing of biomaterials into a final form (e.g., gel, membrane, matrix) that will effect the desired tissue response.