Patent ID: 7202020
Filing Date: 2007-04-10
Classification: A01N,B01J

Abstract:
1. A platelet composition suitable for direct transfusion into a patient comprising: a preservation medium comprising plasma, an anti-coagulant, and a gel-forming material in a concentration relative to the plasma such that the medium is in a sufficiently fluent state at about 37° C. to allow platelets to move within the medium and is in a sufficiently gelatinous state at about 5° C. to substantially prevent platelets from moving freely within the medium; and platelets which have been stored in a non-frozen state within the preservation medium in a gelatinous state for at least 3 days at a pressure of at least 1 ATM and a temperature below 10° C. where at least 50% of the platelets are intact and functional based on adenosine diphosphate induced platelet aggregation assay after at least 3 days.