Patent ID: 6722054
Filing Date: 2004-04-20
Classification: A61M,F26B

Abstract:
A method for lyophilizing a solution comprising an active agent, the method comprising in any order: (a) applying a vacuum to the solution and (b) cooling the solution, for a period of time effective to provide lyophilizate;wherein,the solution comprising the active agent is located in a plastic syringe having an open end; the plastic syringe is located in a rack; the rack is located in a tub; the tub is located in a lyophilizing apparatus, wherein the lyophilizing apparatus comprises a cooling source; and a covering plate is removably attached to the open end of the plastic syringe, such that the covering plate allows vapor from the plastic syringe to pass during lyophilization and prevents the escape of lyophilizate from the plastic syringe; such that the rack suspends he plastic syringe above any surface of the tub and prevents the plastic syringe from coming into contact with the cooling source of the lyophilizing apparatus.