The invention concerns a medical tubing assembly (100) comprising: finned medical tubing (10) formed from an elongate tubular member (20) disposed with one or more longitudinal fins (21, 21', 21''), a collar (200), slidably mountable on the finned tubing (10), equipped with a locking means and optionally one or more suture eyelets (250, 250'), said locking means configured to provide a locking force against one or more of the longitudinal fins (21, 21', 21''). The invention allows securing of a medical tubing in situ that prevents slippage or damage to the tubing wall.
