Which groundbreaking design feature was introduced in the first commercially successful pulse oximeter in the 1980s that revolutionized patient monitoring?

The pulse oximeter has become an essential medical device, especially highlighted during the COVID-19 pandemic. This small device that measures blood oxygen levels and pulse rate has undergone significant design evolution since its inception. Test your knowledge about the product design journey of this critical medical tool that has saved countless lives and transformed patient monitoring capabilities in both clinical and home settings.

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• The use of spectrophotometry to measure oxygen saturation non-invasively through fingertip blood vessels
• Built-in Bluetooth connectivity for remote monitoring by healthcare professionals
• Solar-powered battery system eliminating the need for regular charging
• Voice-activated controls allowing hands-free operation in surgical environments

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