A Trialysis catheter combines a central line lumen (tube) with two dialysis lumens so that central line can be used while dialysis is occurring for a patient.

• https://www.ccs-sth.org/resources/Documents/CC%20KIT%20QR/Circulation%20Kit/Vascath%20and%20Trialysis%20Catheter.pdf
• https://www.bd.com/en-us/products-and-solutions/products/product-families/power-trialysis-short-term-dialysis-catheter