Method for processing blood for human transfusion
AssigneePall Corporation
InventorsDavid B. Pall, Thomas C. Gsell, Brian T. Muellers
Life of this patent
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Abstract
A method of preparing platelets for long term storage comprises the steps of (a) obtaining whole blood from a human, (b) preparing platelet rich plasma from the whole blood and (c) then passing the platelet rich plasma through a filter under conditions sufficient to remove substantially all leucocytes from the plasma, with steps (b) and (c) occurring in an integrally attached blood bag system within a few hours of step (a).
Claims4
A method of preparing platelets for long term storage comprising the steps of (a) obtaining whole blood from a human;
- (b) preparing platelet rich plasma from the whole blood;
- and (c) then passing the platelet rich plasma through a filter under conditions sufficient to remove substantially all leucocytes from the plasma, with steps (b) and (c) occurring in an integrally-attached blood bag system within a few hours of step (a).
A method of preparing platelets for long term storage comprising the steps of (a) obtaining whole blood from a human and adding a blood nutrient and anti-coagulant thereto;
- (b) preparing platelet rich plasma from the whole blood of step (a);
- (c) then passing the platelet rich plasma through a filter under conditions sufficient to remove substantially all leucocytes from the plasma, with steps (b) and (c) occurring in an integrally-attached blood bag system within a few hours of step (a);
- and separating the filtered platelet rich plasma from step (c) into platelet concentrate and plasma.
Dependencies are inferred from the claim text.