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Reconstitution device

  • US 4,759,756 A
  • Filed: 09/14/1984
  • Issued: 07/26/1988
  • Est. Priority Date: 09/14/1984
  • Status: Expired due to Term
First Claim
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1. A reconstitution device comprising:

  • (a) means for securing said reconstitution device to a drug container defining a chamber, including a pierceable, self-sealing access site, said drug container securing means comprising;

    (i) base means secured to flow path means,(ii) at least two upstanding wall portions extending from said base means, each wall portion having a top, said wall portions being spaced from each other to permit bending of said wall portions toward and away from each other,(iii) a ridge extending inwardly from an inside wall of at least one of said wall portions, near said top, and(iv) a wall slot in each of said wall portions having an annular ridge, each of said wall slots extending from said base means to said annular ridge, whereby said drug container securing means includes an interlock to prevent inadvertent removal of said reconstitution device from the drug container;

    (b) liquid container piercing means operatively secured to said flow path means for piercing a pierceable self-sealing injection site of a flexible walled medical liquid container defining a chamber;

    (c) drug container piercing means operatively secured to said flow path means for piercing the access site of the drug container;

    (d) flow path means secured to said base means for placing the chamber of the drug and liquid containers into open communication; and

    (e) a liquid container adapter having at least one wall segment extending from said base means and being disposed around and spaced from at least a portion of the flow path means, wherein said flow path means comprises a needle, said device further comprising a cup removably mounted in said liquid container adapter, said cup including an opening in the end thereof through which said needle extends, said cup being adapted for retention on the injection site of the liquid container, even after removal of said reconstitution device therefrom.

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