Composite anesthetic article and method of use
Patent 5149320 Issued on September 22, 1992. Estimated Expiration Date: 
January 11, 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.
January 11, 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 References 2533165 2559231 2764157 2766755 3477431 Electrolyte solutions containing magnesium and free bicarbonate ions Mixing and filtering vial Two-component syringe assembly Container for a bicarbonate containing fluid Electrolyte solutions and in vivo use thereof Patent #: 4663166 InventorsApplicationNo. 640096 filed on 01/11/1991US Classes:604/506Therapeutic material introduced or removed through a piercing conduit (e.g., trocar) inserted into bodyExaminersPrimary: Rosenbaum, C. FredAssistant: Finkel, Sharon International ClassA61M 031/00AbstractAn 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 SearchContainer with piercable closureClosure or barrier between compartments moved to permit mixing Closure moved, expanded, or flexed by force transmitted by liquid Closure moved by relative movement between closure and separate protruding member Solid dissolved in liquid Means for intermixing liquid with solid or different liquid Septum pierced by conduit to permit flow Chloride Carbonate or bicarbonate EFFERVESCENT OR PRESSURIZED FLUID CONTAINING | |
