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Title: Parenteral drug storage device with closure piercing coupling member
Claims: What is claimed is: 1. A parenteral drug storage device comprising a container for receiving the parenteral drug, movable piston means disposed in said container and closing one end thereof, said container having an opening at the opposite end, cap means connected to said opposite end of said container in fixed relation thereto, separate pierceable seal means sealingly closing said opening, and a movable fluid coupling member connected to said cap means having a fluid coupling portion with a luer slip connector at one end thereof adapted for direct contact fluid tight connection with a complementary luer fluid coupling element for passing drug from said container to the complementary coupling element, a seal piercing portion at the opposite end thereof for piercing said seal means, and means connecting said couplng portion in fluid communication with said piercing portion, said fluid coupling member being slidable relative to said cap means from an initial unarmed position to an armed position wherein said piercing portion has pierced said seal means and has moved through said opening to thereby connect said coupling portion in fluid communication with the interior of said container, said piston means being movable toward said opposite end of said container for forcing parenteral drug from said container into said coupling portion. 2. The device of claim 1 wherein said coupling member is a single-piece member of plastic. 3. The device of claim 1 wherein said fluid coupling portion includes a threaded portion surrounding said slip connector to form a luer lock connector. 4. The device of claim 1 wherein said seal means is disposed between a portion of said cap means and the exterior of said opposite end of said container. 5. The device of claim 4 wherein said cap means is a heat staked shrunken cap with said seal clamped between said cap and said container. 6. The device of claim 1 wherein said cap means includes a generally cylindrical portion frictionally engaging the outer periphery of said container adjacent said opposite end thereof. 7. The device of claim 6 wherein said cap means includes a second cylindrical portion distally of the distal end of said container, and said fluid coupling member is axially slidable on said second portion between said unarmed and armed position. 8. The device of claim 7 wherein said second cylindrical portion and said fluid coupling member have complementary groove and bead means in fitting relation when said fluid couplng member is in the unarmed position. 9. The device of claim 6 wherein said fluid coupling member and said other cylindrical portion have complementary key and keyway means preventing relative rotation between said fluid coupling member and said cap means. 10. The device of claim 9 wherein said fluid coupling member comprises a unitary member of synthetic plastic. 11. The device of claim 1 further including a closure member extending over and engageable with the distal end of said fluid coupling member to close said coupling portion, said closure member being proximally slidable to move said fluid coupling member from the unarmed to the armed position. 12. The device of claim 1 wherein said fluid coupling member comprises a generally cylindrical member, and said means connecting said coupling portion in fluid communication with said piercing portion which includes an axial lumen in said fluid coupling member, said piercing portion having a pointed end with openings connecting the exterior of said piercing portion with said lumen. 13. The device of claim 12 wherein said fluid coupling member is a single-piece member of plastic. 14. The device of claim 13 wherein said cap means is of plastic, and said seal means is of an elastomeric material. 15. A syringe comprising a barrel containing a parenteral drug having an open proximal end, and a distal end having an opening therein, slidable piston means in said barrel closing said proximal end and capable of forcing said parenteral drug from said barrel when the syringe is in use, cap means fixedly connected to the distal end of said barrel, separate pierceable seal means clamped between said cap means and said distal end sealingly closing said opening, and a movable fluid coupling member having a fluid coupling portion with a luer slip connector at the distal end thereof adapted for direct contact fluid tight connection with a complementary luer slip fluid coupling element for passing drug from said barrel to the complementary coupling element, a seal piercing portion at the proximal end thereof for piercing said seal means, and lumen means connecting said coupling portion in fluid communication with said piercing portion, said fluid coupling member being connected to said cap means and slidable relative thereto from an initial unarmed position to an armed position wherein said piercing portion has pierced said seal means and has entered said opening to thereby connect said coupling portion in fluid communication with the interior of said barrel. 16. The syringe of claim 15 wherein said coupling member is a single-piece member of plastic and. 17. The syringe of claim 15 wherein said seal means is disposed between a portion of said cap means and the exterior of the distal end of said barrel. 18. The syringe of claim 17 wherein said cap means has a first generally cylindrical portion surrounding and engaging the outer periphery of said barrel at the distal end thereof, a radial shoulder portion integral with said first cylindrical portion and engaging the distal side of said seal means, and a second generally cylindrical portion integral with and extending distally from said shoulder portion, said coupling member being slidably connected to said second cylindrical portion. 19. The syringe of claim 18 wherein said cap means is plastic and said barrel is of glass. 20. The syringe of claim 18 further including an end closure frictionally engaged with said second cylindrical portion of said cap means for covering the distal end of said coupling portion. 21. The syringe of claim 20 wherein said parenteral drug is a liquid drug in said barrel and said piston is an elastomeric piston in said barrel on the proximal side of said drug, and said coupling member is slidable along a straight longitudinal line. 22. The syringe of claim 17 wherein said cap means is a heat staked shrunken cap clamping said seal between said cap means and said barrel. 23. The syringe of claim 16 wherein said fluid coupling portion includes a threaded portion surrounding said slip connector to form a luer lock connector. 24. The syringe of claim 16 wherein said luer lock connector is of the male type. 25. The syringe of claim 15 further including a coating on the proximal side of said seal means to prevent contamination of said parenteral drug by said seal means, and said seal means being clamped between portions of said cap means and said barrel. 26. The syringe of claim 1 wherein said cap means is a radially shrunken cap having a cylindrical portion tightly engaging an outside peripheral portion of said container adjacent the distal end of said container. 27. The syringe of claim 26 wherein said cap means has an integral shoulder portion extending from said cylindrical portion radially inwardly over a portion of the distal side of said seal means. Other info: Inventors: Koenig, Elmer A. (Kirkwood, MO, US) Application Number: 668388 Filing Date: 1976-03-19 Publication_date: 1978-04-18 Assignee: Sherwood Medical Industries Inc. (St. Louis, MO) Primary Class(es): 604/205 604/242 Other Classes: US Patent Ref:
Other Refs:
Primary Examiner: Yasko, John D. Assistant Examiner: Attorney: Garber; Stanley N., O'Meara; William R. |
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