Patent ID: 8802363
Filing Date: 2014-08-12
Classification: A01N,C12N,G01N,Y10T

Abstract:
1. A method for preserving blood platelets comprising steps of: submitting a sample of platelets to zeodration carried out between 18° C. and 24° C. inclusive to obtain dried platelets, and storing the dried platelets at room temperature, wherein zeodration comprises steps of: loading the sample of platelets into a chamber; decreasing the pressure of the chamber containing the platelets down to 700 mbar at a speed of 75 mbar/minute in less than 5 minutes; allowing the sample of platelets to stabilize at 700 mbar for 5 minutes; decreasing the pressure of the chamber containing the platelets from 700 mbar down to 200 mbar at a speed of 75 mbar/minute in less than 7 minutes; decreasing the pressure of the chamber containing the platelets from 200 mbar down to 145 mbar at a speed of at least 5 mbar/minute; and drying the platelets at 145 mbar for between about 2 hours and about 5 hours to obtain dried platelets having a relative humidity lower than or equal to 10% and a water activity lower than or equal to 0.6, wherein the steps of decreasing the pressure and of drying the platelets are performed while maintaining the temperature of the platelets between 18° C. and 24° C. inclusive.