A multi-lumen catheter including tip sections distal to a dividing point, the tip sections releasably joined by a method that produces a variable separation force between the tip sections along a length thereof. An increasing separation force may be imparted to the tip sections by providing an increasing...http://www.google.com.au/patents/US8152951?utm_source=gb-gplus-sharePatent US8152951 - Multi-lumen catheter with separate distal tips
