Which medical device company first introduced the implantable cardiac pacemaker that allowed patients with heart rhythm disorders to live normal lives without being tethered to external power sources?

The pharmaceutical and medical device industries have fascinating histories of innovation, breakthroughs, and brand evolution. This trivia question explores how a major medical product's development changed healthcare delivery forever. Test your knowledge about this transformative moment in medical product development history!

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Medtronic, with their first implantable pacemaker in 1960
Johnson & Johnson, with their CardioLife system in 1958
Boston Scientific, with their HeartRhythm device in 1962
Siemens Healthineers, with their CardioStim implant in 1965