Method and apparatus for dispensing and distributing biological sample
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United States of America Patent
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Sep 6, 2005
Grant Date -
N/A
app pub date -
Nov 12, 1996
filing date -
May 14, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention is a method and apparatus to dispense and spread a liquid from a storage container onto a surface. An inventive paddle is attached to an apparatus which is inserted into a storage container, such as a test tube. After dispensing the sample, the storage container is manipulated such that the paddle smears, crushes, or distributes the dispensed sample. Therefore, it is unnecessary to set aside the storage container to perform a smear procedure on a dispensed sample of blood. This increases the safety, speed, and efficiency of the smear procedure, and reduces the risk that the sample will be contaminated. The invention further discloses a method and apparatus for using temperature differential, rather than mechanical force, to safely dispense hazardous biological and chemical samples from a storage container such as a test tube.
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Family
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