초록 ▼

A cartridge 444, 644, 744 having a drug or other beneficial agent 608 therein and including an adapter 477 is positioned on a receptacle 442, 642 within a parenteral fluid administration set 420. Also disclosed is an adapter 477′for connecting the receptacle 442, 642 to a chamber 606 having a benefi

A cartridge 444, 644, 744 having a drug or other beneficial agent 608 therein and including an adapter 477 is positioned on a receptacle 442, 642 within a parenteral fluid administration set 420. Also disclosed is an adapter 477′for connecting the receptacle 442, 642 to a chamber 606 having a beneficial agent therein. The cartridge and adapter permit a single opening through the injection site at the receptacle and at the chamber at opposite ends of the flow path means while still permitting simultaneous flow both into and out of the chamber and the receptacle.

대표청구항 ▼

An adapter for placing an intravenous delivery system including a fluid source, a fluid conduit and a receptacle in the fluid conduit, in fluid communication with a chamber having a beneficial agent therein, said adapter defining flow path means between the receptacle and the chamber and comprising:

An adapter for placing an intravenous delivery system including a fluid source, a fluid conduit and a receptacle in the fluid conduit, in fluid communication with a chamber having a beneficial agent therein, said adapter defining flow path means between the receptacle and the chamber and comprising: (a) a rigid cannula having an inlet and an outlet; (b) a shell spaced from said cannula intermediate of said cannula inlet and said cannula outlet, with said cannula and said shell defining a channel therebetween, about the exterior of said cannula, said channel including a channel inlet short of said cannula outlet and a channel outlet short of said cannula inlet; (c) cannula holder means secured to said cannula; (d) extension means extending between said cannula holder and said shell and securing said cannula relative to said shell, there being an open flow path through said channel, including said channel inlet and said channel outlet; (e) wherein said channel inlet and said cannula outlet are both adaptable to pierce a single opening in a first injection site, associated with the receptacle of the delivery system; and (f) wherein said channel outlet and said cannula inlet are both adaptable to pierce a single opening in a second injection site, associated with the chamber.