Importance

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Abstract

A connector for a tube and a port construction for sealingly and securely receiving the connector. The connector has a male luer comprising a locking hub and a cylindrical tubing port. The cylindrical tubing port receives the free end of the tube. A second piece is provided that envelops the male luer, comprising a elongate cylindrical housing having a interior surface. The male luer and the tube are snugly inserted within the interior surface of the second piece to form a unitary connector. The port receives the connector and has a housing having a first end and a second end and an open interior region defining first and second chambers and a housing axis. The first and second chambers are disposed within the first and second ends of the housing, respectively. A locking knob is movably mounted on the first end of the port apparatus and movable along the housing axis relative to the first end between first and second positions. The knob is rotatable in the second position relative to the first end into a locking engagement with the housing. When the connector is inserted into the first chamber of the port, the user rotates the knob to one side to securely retain the connector. The connector is pressed into sealing contact with an O-ring disposed in the interior region of the first chamber, thereby preventing any leakage around the connector and port. Various alternative tubing connectors are disclosed.

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First Claim