Which design feature was specifically introduced to medical syringes in the early 2000s to prevent an estimated 800,000 needlestick injuries among healthcare workers annually?

The design of medical devices has evolved dramatically over the decades, with user-centered design approaches becoming increasingly important in healthcare settings. This poll tests your knowledge about a significant design innovation in medical products that revolutionized patient safety. Understanding the history of medical product design helps product managers appreciate how thoughtful design can literally save lives.

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Safety-engineered retractable needle mechanisms
Color-coded barrel sizing for medication identification
Digital dosage display windows
Antimicrobial coating on syringe barrels