The stent was established to replace the conventional invasive surgery and
angioplasty balloon that was used in treating cardiovascular disease. In
the early stage of angioplasty, cardiologists used a balloon to develop the
artery that was clogged. However, in some cases the wall of the coronary artery
became damaged after the balloon is dilated, resulting a sharp or sub acute
collapse of the artery. The modern stent was considered in the 1980s in
response to the danger pretensed by the angioplasty balloon. The stent
was able reduce the danger of collapsing artery wall, but it gave birth to the
problem of restenosis. After years of engineering and designing, the
stent is equipped with biocompatible and radio visible coating which decrease
the possibility of restenosis.
Authors
George Lao
Mario Gonzalez
Vincent Hoang
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