A medical device preferably includes a tube and at least one adjustable inflatable anchor. The anchor is capable of securing the tube to the patient to resist removal of the tube in the patient when the anchor is inflated within the patient. The anchor slidingly engages the tube such that the insertion...http://www.google.co.uk/patents/US20060079845?utm_source=gb-gplus-sharePatent US20060079845 - Movable inflatable anchor for medical devices