Platelet glue wound sealant
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United States of America Patent
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Mar 31, 1998
Issued Date -
N/A
app pub date -
Feb 27, 1996
filing date -
Mar 3, 1995
priority date (Note) -
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Abstract
A plasma-buffy coat concentrate that comprises plasma, platelets at a concentration of at least 1.0.times.10.sup.9 cells/ml, and fibrinogen at concentration of at least 5 mg/ml is described. The plasma-buffy coat concentrate can be combined with a fibrinogen activator to form a platelet glue wound sealant. A method for processing blood to produce the plasma-buffy coat concentrate is also provided. The method comprises centrifuging anticoagulated blood to remove red blood cells and produce a plasma-buffy coat mixture. Water is removed from the mixture to produce the plasma-buffy coat concentrate. A fibrinogen activator is mixed with the plasma-buffy coat concentrate to produce a wound sealant, which can then be applied to a wound to facilitate sealing and healing of the wound.
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