Patent ID: 7354190
Filing Date: 2008-04-08
Classification: A61L,A61M,B01F,F04B,G05D,Y10T

Abstract:
1. In a system for combining a first substance with a second substance that cannot be mixed directly with the first substance without damaging at least one of the first substance and the second substance, a method comprising: mixing the first substance with a first liquid to produce a first solution, the first solution having a first predetermined concentration of first substance capable of being mixed directly with the second substance without damaging one of the first substance and the second substance; maintaining a timer to monitor the age of the first solution; determining whether mixing of the first solution with the second substance to produce a second solution having a second predetermined concentration of first substance relative to the second substance can be completed prior to an expiration time for the first solution based on the timer; and mixing the first solution with the second substance to produce the second solution only if it is determined that mixing of the first solution with the second substance to produce the second solution can be completed prior to the expiration time for the first solution.