Guidewire Catheter: John Simpson

Paul Yock, Stanford University

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John Simpson, a Stanford trainee in cardiology, thought the catheter system didn't work so he worked in his kitchen in Menlo Park to develop a catheter that is easier to use. He used a guidewire to travel down into the coronary artery . With money from Fogarty and Ray Williams, an angel investor, he started a company called ACS, which grew into Guidant.

Jan 22, 2003

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