ch. 1. Introduction to product development and systematic methodologies / Andrš Da̕z Lantada and Pilar Lafont Morgado -- ch. 2. General considerations for developing medical devices / Andrš Da̕z Lantada and Pilar Lafont Morgado -- ch. 3. Active materials in medical devices / Andrš Da̕z Lantada and Pilar Lafont Morgado -- ch. 4. Shape-memory alloys for biodevices / Andrš Da̕z Lantada -- ch. 5. Shape-memory polymers for biodevices / Andrš Da̕z Lantada and Pilar Lafont Morgado -- ch. 6. Electroactive polymers as actuators for biodevices / Andrš Da̕z Lantada -- ch. 7. Electroactive polymers as sensors for biodevices / Andrš Da̕z Lantada and Pilar Lafont Morgado -- ch. 8. Pyroelectric materials for biodevices / Andrš Da̕z Lantada -- ch. 9. Active ceramics in biodevices / Andrš Da̕z Lantada -- ch. 10. Magnetoactive materials for biodevices / Andrš Da̕z Lantada and Javier Echv̀arri Otero -- ch. 11. Optoactive and photoactive materials for biodevices / Andrš Da̕z Lantada -- ch. 12. Hydroactive materials for biodevices / Andrš Da̕z Lantada -- ch. 13. Microstructured active materials in biodevices / Andrš Da̕z Lantada -- ch. 14. Nanostructured active materials in biodevices / Andrš Da̕z Lantada -- ch. 15. Novel techniques, methods and processes for active materials in medical devices / Pilar Lafont Morgado and Andrš Da̕z Lantada -- ch. 16. A proposal for structured methodology / Andrš Da̕z Lantada.