Ulrich Sigwart’s 1986 achievement marked a paradigm shift in cardiology. Before coronary stents, patients with

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Ulrich Sigwart’s 1986 achievement marked a paradigm shift in cardiology. Before coronary stents, patients with blocked arteries often required bypass surgery—a highly invasive procedure with significant risks and recovery time. Sigwart’s innovation introduced a new era of percutaneous (through-the-skin) treatments that drastically reduced hospital stays and complications.

The self-expanding stent he used was made of a metal alloy called Nitinol, known for its shape-memory properties, allowing it to expand at body temperature once inside the artery. This technology evolved into today’s drug-eluting stents, which not only keep arteries open but also release medication to prevent restenosis (re-narrowing).

Sigwart’s legacy is now embedded in every interventional cardiology unit worldwide. Millions of stent procedures are performed annually—saving lives, minimizing trauma, and empowering patients to resume their lives with confidence.

,CardiologyInnovation ,UlrichSigwart ,MedicalBreakthrough ,StentTechnology ,HeartHealth

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