Filter test strip
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United States of America Patent
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Nov 24, 2015
Grant Date -
Oct 24, 2013
app pub date -
Feb 19, 2013
filing date -
Apr 19, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A filter test strip to filter and test a specimen in liquid includes a test element and a specimen filter assembly which is located on the test element and includes a filter cotton holding layer, a filter cotton layer and a cotton bonding layer. The filter cotton holding layer has a filter channel to allow the specimen in liquid to pass through. The filter cotton layer fills the filter channel. A gap is formed between the filter cotton holding layer and filter cotton layer. The cotton bonding layer is located below the filter cotton holding layer and bonded to the test element via an adhesive which masks the gap. Hence the specimen in liquid can be prevented from seeping out through the gap with passing through the filter cotton layer. Therefore, the specimen in liquid can fully be filtered by the filter cotton layer to enhance test accuracy.
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