Which medical product design innovation was specifically created to address the problem of untrained bystanders being unable to properly administer life-saving defibrillation to cardiac arrest victims?

Medical device design has evolved dramatically over the decades, balancing functionality with user experience. Modern medical products must consider healthcare professional workflows, patient comfort, regulatory requirements, and increasingly, digital integration. This poll tests your knowledge of a significant product design innovation that revolutionized emergency medicine and saved countless lives through thoughtful design improvements.

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Automated External Defibrillator (AED) with voice prompts and simplified controls
Digital smart thermometers with Bluetooth connectivity
Single-use disposable syringes with safety mechanisms
Portable ultrasound devices with AI-assisted diagnostics