Saliva sampling device and sample adequacy system
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United States of America Patent
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Dec 27, 1994
Issued Date -
N/A
app pub date -
Jul 19, 1993
filing date -
Dec 18, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A saliva testing device includes a sample container opened at one end, a tube, a piston, a holding reservoir and a filter. The piston is fixed to a first end of the tube on a first side of the piston and has a hole in fluid communication with the tube. The piston fits closely and slidably within the sample container. An absorbent pad is affixed to the piston on a second side thereof in fluid communication with the hole in the piston. The holding reservoir is in fluid communication with a second end of the tube. The filter is in fluid communication with a second end of the tube. The absorbent pad receives a sample of fluid to be tested. When the piston is slidably inserted into the sample container, a pressure is generated forcing the saliva of fluid into the holding reservoir through the tube.
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