An apparatus for maintaining an intravascular access device in position at an access point on a limb of a patient includes a needle immobilizing unit engaging the needle member and preventing it from dislodgement from the blood vessel, a tube locking member locking the connecting tube in place and preventing...http://www.google.de/patents/US6500154?utm_source=gb-gplus-sharePatent US6500154 - Intravascular access device positioning system
