Complaint Handling, Post-Market Surveillance, Medical Devices, CAPA, NCEP, Root Cause Analysis, Technical Investigations, ISO 13485, FDA Quality Systems, MDR, X-Ray, FTIR, SEM, Statistical Analysis, Continuous Improvement. Use investigative equipment and techniques, including X-Ray, Fourier Transform Infrared Spectroscopy (FTIR), and Scanning Electron Microscopy (SEM).