Medical devices, namely, drainage catheters and drainage catheter sets, comprised of drainage catheters, medical stiffeners, medical dilators, medical wire guides, medical access needles, medical access sheaths, medical access dilators, and external fixation devices, namely, catheter securement devices; drainage accessory sets for medical purposes, comprised of medical drainage bags, medical connection tubes, medical stopcocks, and external fixation devices, namely, catheter securement devices; nonvascular access sets for medical purposes, comprised of medical access needles, medical access sheaths, medical access dilators, and medical access wire guides; drainage bags for medical purposes; connection tubes for medical purposes