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Drug storage and delivery system

  • US 5,171,214 A
  • Filed: 12/26/1990
  • Issued: 12/15/1992
  • Est. Priority Date: 12/26/1990
  • Status: Expired due to Term
First Claim
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1. A storage and delivery system for a flowable substance, comprising:

  • (a) a vial having a threaded opening, a wall portion and an end portion constructed and arranged to contain a flowable substance;

    (b) a pierceable stopper in sealing engagement with said opening in said vial whereby the flowable substance may be extracted from said vial through a needle inserted into said vial through said stopper;

    (c) a syringe assembly having a generally cylindrical housing and a cannula supported in said housing and extending longitudinally therethrough along an axis thereof;

    (d) an adapter assembly including an adapter member for attaching said vial to said syringe assembly so as to permit communication between the interior of said vial and said cannula extending through said syringe;

    (e) a skirt member frictionally engaging said wall portion of said vial, said skirt member having ratchet means associated therewith that cooperates with complementary ratchet means associated with said adapter member upon attachment of said adapter assembly to said vial so as to thereafter prevent disengagement of said vial from said adapter assembly;

    (f) a lock member for attaching said adapter member to said syringe assembly wherein said adapter member releasably engages said lock member;

    (g) a needle hub member associated with said adapter member and supporting said needle that pierces said stopper as said adapter member is attached to said vial, said vial opening being threaded with said needle hub member threadedly receiving said threaded opening as said adapter member is attached to said vial; and

    (h) a fitting portion that cooperates with said lock member to provide fluid communication between said needle and said cannula as said adapter member is attached to said lock member.

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