Twin-chamber syringe filled with a charge of activity-sensitive human protein
Patent 5364350 Issued on November 15, 1994. Estimated Expiration Date: 
August 18, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
August 18, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3756390 Syringe containing frozen vaccine Medicine container having lyophilized powder and diluent stored in separate sealed chambers Two compartment syringe Patent #: 4994043 InventorAssigneeApplicationNo. 931380 filed on 08/18/1992US Classes:604/89, Closure or barrier between compartments moved to permit mixing604/87, Means broken, cut, pierced or torn to permit mixing604/416Materials mixed within containerExaminersPrimary: Rimell, SamAttorney, Agent or FirmForeign Patent References
International ClassA61K 009/00Foreign Application Priority Data1988-03-01 DEAbstractA twin-chamber syringe has a pyrogen-free sterile solvent in the chamber averted from the needle, and in the second chamber facing the needle a charge of activity-sensitive human protein, introduced and lyophilized in a single operation in the syringe, where it is stored , in a quantity necessary for therapeutically effective administration. The invention also relates to the filling of the syringe and the potential it offers for immediate use of activity-sensitive human proteins and for self-administration at home. | |
