Which innovative product research technique was instrumental in the development of the first commercially successful continuous glucose monitoring (CGM) system for diabetes patients?

The medical device market is constantly evolving with breakthrough innovations that improve patient outcomes and healthcare delivery. Understanding the product development cycle and market research behind successful medical devices can provide valuable insights into healthcare innovation. Test your knowledge about a groundbreaking medical technology that changed standard treatment protocols!

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Ethnographic research involving patients wearing prototype devices for 6+ months before market launch
Traditional focus groups with healthcare providers only, excluding patient feedback until final testing phases
Competitor analysis that directly copied features from existing blood glucose meters without additional user research
Purely quantitative surveys distributed to hospital administrators focusing on cost-benefit analysis