Which product design innovation, introduced in the 1960s, revolutionized emergency medicine by allowing rapid defibrillation outside hospitals and featured a user-centered design that eventually evolved into today's AEDs?

Modern medical product design has transformed patient care through innovations that balance functionality, safety, and user experience. From intuitive interfaces on monitoring equipment to ergonomic surgical tools, thoughtful design directly impacts healthcare outcomes. This poll tests your knowledge about a groundbreaking product design innovation that revolutionized emergency medicine and saved countless lives.

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The portable defibrillator by Dr. Frank Pantridge, featuring a car battery-based power system and simplified controls for non-specialists
The balloon angioplasty catheter system, with color-coded components and tactile feedback mechanisms
The patient-controlled analgesia (PCA) pump with intuitive single-button design and safety lockouts
The pulse oximeter with visual display and audio alerts designed for rapid interpretation in emergency settings