Composite anesthetic article and method of use
January 2, 2011. 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 ReferencesCerti-seal Hermetically sealed two-component mixing system Container for a bicarbonate containing fluid Therapeutic agent delivery system and method Dual bag intravenous preparation system Sterile storage and mixing dispenser Dual chambered mixing and dispensing vial Drug delivery compositions and methods Patent #: 4963367 InventorsAssigneeApplicationNo. 636722 filed on 01/02/1991US Classes:604/416, Materials mixed within container604/410, Plural compartments or bags604/415Container with piercable closureExaminersPrimary: Hafer, Robert A.Assistant: Rimell, Sam International ClassA61J 001/00AbstractAn aqueous composition for reducing pain at the site of injection of local parenteral anesthetic material, for improving the onset thereof, and for increasing its duration, and a means for preparing and dispensing the same, the composition containing a local parenteral anesthetic which in normal doses gives an acid pH of from about 2.5 to about 6.9, wherein the anesthetic comprises from about 0.5 to about 2.0% by weight of the composition, the composition further containing sufficient NaHCO3 to maintain the pH thereof between about 7.0 and about 7.6, and further containing from about 0.0004 moles of dissolved CO2 per ml of composition up to the saturation level of dissolved CO2 at a CO2 head pressure of up to about 2.5 atmospheres.Field of SearchPlural compartments or bagsMaterials mixed within container Means for mixing treating agent with respiratory gas Means for supplying anesthetic under patient's control Means for mixing respiratory gas with water vapor and another treating agent Means broken or pierced to supply treating agent Carbonate | |
