Method for producing platelet rich plasma and/or platelet concentrate
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United States of America Patent
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-
Jun 4, 2002
Grant Date -
N/A
app pub date -
Jun 30, 2000
filing date -
Apr 12, 1999
priority date (Note) -
In Force
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Abstract
Platelet rich plasma and/or platelet concentrate is prepared by placing whole blood in a first chamber of a sterile processing disposable having two chambers. The processing disposable is subjected to a first centrifugation to separate red blood cells, and the resulting platelet rich plasma supernatant is decanted to the second chamber. The processing disposable is subjected to a second centrifugation to concentrate platelets. A volume of the platelet poor plasma supernatant in the second chamber is removed, and the platelets are re-suspended in the remaining plasma. The second chamber may contain anticoagulant to preclude aggregation of the platelets.
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