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Pressure-activated medication transfer system

  • US 5,526,853 A
  • Filed: 08/17/1994
  • Issued: 06/18/1996
  • Est. Priority Date: 08/17/1994
  • Status: Expired due to Term
First Claim
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1. A connector for effecting pressurized communication between a pressurizable diluent container and a drug vial through respective openings sealed by respective penetrable stopper means, comprising:

  • (a) a base;

    (b) a drug spike extending from said base in a first direction and having an axially extending drug bore open at its distal end;

    (c) a diluent spike extending from said base in a second direction opposite said first direction and coaxially with said drug spike, said diluent spike having an axially extending diluent bore open near its distal end and communicating at its proximal end with the proximal end of said drug bore through said base;

    (d) means for sealingly fastening said base against the respective openings of said drug vial and said diluent container when said drug spike and said diluent spike are thrust through the respective penetrable stopper means of said vial and said container; and

    (e) a plug seated in and sealing one of said bores, said plug being disposed completely within said bore and being expellable from said sealed bore when said diluent container is pressurized.

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