Device for releasing active ingredient, insertable in a system of parenteral administering the ingredient
First Claim
1. A device for releasing active ingredient, which device is insertable in the liquid flow line of a system for the parenteral application of the ingredient, and comprises a receptacle having an inlet and outlet for a liquid flow passing therethrough, and ingredient-releasing means, lodged in the receptacle, for releasing active ingredient into the said liquid flow, said receptacle further comprising in its interior two liquid flow paths leading from the inlet to the outlet thereof, one of which paths comprises a section through which the liquid passes in a direction substantially opposite to a general direction in which the receptacle is passed by the liquid, and an ingredient-releasing unit being present in the said path section of opposite liquid flow.
2 Assignments
0 Petitions
Accused Products
Abstract
A device for releasing active ingredient into a liquid flow passing through a system for parenteral application of the ingredient comprises a receptacle composed of two half shells. The receptacle is subdivided by a ribbed aluminium foil into two chambers and has an inlet at its upper end and an outlet at its lower end. The two chambers have vent means at their upper ends. One of the chambers contains two overflows a first one of which empties into the outlet while the second one empties into the other chamber. In the latter chamber there is present a further overflow which also empties into the outlet, as well as a plate-shaped carrier charged with the active ingredient to be released. The liquid flows from the inlet via the first chamber and the second overflow therein into the other chamber and from there upwardly past a carrier charged with active ingredient, and onward via a third overflow in the other chamber into the outlet. In a second flow path, part of the liquid flows directly from the inlet through the first chamber and via the first overflow therein into the outlet.
This device permits a very uniform release of active agent and is of simple construction and correspondingly it can be manufactured in an inexpensive manner.
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Citations
10 Claims
- 1. A device for releasing active ingredient, which device is insertable in the liquid flow line of a system for the parenteral application of the ingredient, and comprises a receptacle having an inlet and outlet for a liquid flow passing therethrough, and ingredient-releasing means, lodged in the receptacle, for releasing active ingredient into the said liquid flow, said receptacle further comprising in its interior two liquid flow paths leading from the inlet to the outlet thereof, one of which paths comprises a section through which the liquid passes in a direction substantially opposite to a general direction in which the receptacle is passed by the liquid, and an ingredient-releasing unit being present in the said path section of opposite liquid flow.
Specification