Which product design innovation most significantly reduced 'use errors' in emergency defibrillators, leading to their widespread adoption in public spaces?

Product design in medicine has evolved dramatically over the decades, with certain innovations completely transforming patient care and clinical workflows. This trivia tests your knowledge about a pivotal shift in medical product design philosophy that revolutionized how healthcare professionals interact with critical devices. Understanding these design evolutions provides insight into how medical products balance functionality, safety, and user experience in high-stakes environments.

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Voice-guided instructions with visual prompts
Reduction in overall device weight and size
Transition from monochrome to color display screens
Implementation of rechargeable battery systems