Lyophilizing and forming biologicals having a predetermined unit dosage
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United States of America Patent
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-
Jun 11, 1985
Issued Date -
N/A
app pub date -
Jul 30, 1982
filing date -
May 4, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A pledget of biological material of predetermined unit dosage is formed by a lyophilizing process. The lyophilizing process involves establishing a specific batch volume of sterile water, dissolving a preestablished amount of biological material in the batch volume of water, filling at least one container with a portion of the solution of water and dissolved material, and lyophilizing the solution in the container into the pledget. The amount of biological material to be dissolved in the water is established in relation to the volume and number of containers, the desired predetermined unit dosage of each pledget, and the desired number of pledgets to be formed at a time.
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