Research Highlights New Laser Patterning Technology for Stent Procedure in Cardiovascular Disease Patients
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The research team at the Korea Institute of Science and Technology along with Dr. Indong Jun from KIST Europe, has developed a novel stent surface treatment technology using laser patterning. This technology promotes endothelial cell growth while inhibiting smooth muscle cell dedifferentiation in blood vessels. By controlling cellular responses to nanostructured patterns, the technique holds promise for enhancing vascular recovery, especially when combined with chemical coating methods.
The research team applied nanosecond laser texturing technology to create nano- and micro-scale wrinkle patterns on nickel-titanium alloy surfaces. The wrinkle patterns inhibit the migration and morphological changes of smooth muscle cells caused by stent-induced vascular wall injury, preventing restenosis. The wrinkle patterns also enhance cellular adhesion, promoting re-endothelialization to restore the vascular lining.
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