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  • Stylets designed to aid insertion of a device (e.g., cannula) into a vascular structure. These stylets typically are metallic wires or flexible rods inserted into the cavity of the cannula or catheter to provide a rigid or semi-rigid structure that eases insertion and positioning of the device. Usually, once the catheter is introduced into the vasculature, the metal stylet is removed so only the hollow catheter remains. Dedicated vascular stylets are available according to the artery or vein to be punctured, the catheter used, and/or the intended purpose of the procedure.
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