Bump tubing was first invented by the creator of the disposable catheter, Dave Sheridan, in the late 1960’s and was an innovative concept that revolutionized the catheter industry. With catheters getting smaller and smaller and more complex, new extrusion challenges are arising. To meet these challenges, the extruder must innovate. During the past thirty years, MicroSpec has led the medical extrusion industry in creating the most advanced bump tubing in the world. Here we will talk about some of those tubes.