Profile: Rita Medical Systems focuses on the design, development, production and sale of technologically advanced, high value-added percutaneous vascular & spinal access systems. Our oncology product lines include implantable ports, some of which feature its proprietary VTX ® technology, tunneled central venous catheters and stem-cell transplant catheters used primarily in cancer treatment protocols. We also market a complete line of acute and chronic dialysis catheters.