A Design History File (DHF) is a comprehensive collection of documents and records that detail the design and development process of a جهاز طبي or product, ensuring compliance with regulatory standards. It encompasses all design inputs, outputs, verification and validation activities, and changes made throughout the دورة حياة المنتج. The DHF serves as a critical reference for maintaining quality assurance and facilitating audits, thereby demonstrating that the product meets both user needs and regulatory requirements.