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Parenteral controlled therapy, using a porous matrix with parenteral agent

  • US 4,583,981 A
  • Filed: 01/07/1985
  • Issued: 04/22/1986
  • Est. Priority Date: 11/27/1981
  • Status: Expired due to Term
First Claim
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1. A parenteral delivery set for administering a beneficial agent formulation to a warm-blooded animal, the delivery set comprising:

  • (a) a primary tube for the flow of a parenterally acceptable fluid therethrough;

    (b) a secondary tube for the flow of a parenterally acceptable fluid therethrough;

    (c) a formulation chamber in communication with the secondary tube, the formulation chamber comprising;

    (1) a wall that surrounds an internal space;

    (2) an inlet for letting fluid enter the formulation chamber;

    (3) a beneficial agent delivery device in the formulation chamber, the delivery device comprising a matrix formed of a microporous material, and a beneficial agent distributed in the microporous material;

    (4) an outlet for letting an agent formulation exit the formulation chamber; and

    ,(d) a common tube in communication with the primary tube for receiving fluid from the primary tube, and in communication with the secondary tube for receiving agent formulation from the secondary tube.

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