Rhombic-Shaped Channel Stent with Enhanced Drug Capacity and Fatigue Life

Rhombic-Shaped Channel Stent with Enhanced Drug Capacity and Fatigue Life

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A drug-eluting stent with rhombic-shaped drug reservoirs is proposed, aimed at providing long-term drug delivery and enhanced fatigue life.Unique educational toys rhombic-shaped reservoirs or channels on the stent struts can increase the total drug capacity and improve the stress distribution for longer fatigue life, without compromising other important clinical attributes.Our rhombic-shaped channel stent increases the total drug capacity by multiple times.Its fatigue safety factor, even with the large rhombic cutouts on the stent struts, could be 50% higher than that of the conventional drug-eluting stent.A pulsed fiber-optic laser and a series of expansions and heat treatments were used to make the first prototype of our rhombic-shaped channel stent.

This new concept may open Armored Vehicle Kit up a wide variety of new treatment options and opportunities for the medical industry in the future.