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Device for conserving, extemporaneously preparing, and administering an active principle

  • US 8,870,844 B2
  • Filed: 04/17/2009
  • Issued: 10/28/2014
  • Est. Priority Date: 04/17/2008
  • Status: Expired due to Fees
First Claim
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1. A device for conserving and extemporaneously preparing a single injectable dose of at least one unstable active principle prior to administration, the device comprising:

  • a body made of thick plastic material or glass, said body comprising at least one compartment for containing at least one volume of pharmaceutical solvent that is less than 5 mL;

    a head comprising at least one compartment for containing at least one active principle, and, in a top portion of the compartment, by at least one dose-taking chamber provided with a filter separating the compartment for containing the active principle from the dose-taking chamber, said head comprising a sterile perforatable membrane for protecting the dose, said device comprising a removable protective cap held on said head, the head being capable of taking up a first position P1 for conservation, in which said head is in its distal position relative to the body, and a second position P2 for preparation, in which said head is in its proximal position relative to the body;

    at least one wall separating the body and the head; and

    a perforator for rupturing said wall so that the active principle enters into contact with the solvent and dissolves therein.

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