Patent ID: 7875019

Claim:
A connection system for a catheter, comprising: a hub assembly including a cannula configured for insertion into a lumen of the catheter; a collet connected to the hub assembly and positioned about a portion of the cannula, the collet including a body defining an inner surface, the inner surface positioned about a portion of the hub assembly and spaced apart from the cannula to permit passage of a catheter wall between the body and the cannula, the collet further including locking arms extending outwardly from the body and having protrusions at distal ends of the locking arms; a collar including recesses on an outer surface of the collar and a compression ring positioned along a distal inner surface of the collar and contained within the collar; and wherein when the catheter wall is positioned between the inner surface of the body and the cannula, the collar is movable over the body of the collet and between the locking arms such that the locking arms are flexed outward, the collar movable until the protrusions of the collet fall into the recesses of the collar to lockingly engage the collar and collet, thereby securing the catheter to the connection system.