I'm an undergraduate student at UIC doing my senior design project on designing an IV catheter targeted toward pediatric patients. I know the infection rate is high for short PIV's, and low for midline catheters. So my question is, why are midline catheters used so infrequently? What are the disadvantages?
Also, what are some typical midline catheters that are used? Do they typically expand after you insert them? Please outline the way that they work for me. We're trying to design an expandable one so you nurses don't have the catheter flopping all over the place while you try to thread it into the vein. Was the Landmark midline catheter expandable? Also, what's the likelihood of reintroduction of the Aquavene since it was found that the material wasn't what was causing the infections?
Thanks for your help.