Hydrophilic coatings for medical implements
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United States of America Patent
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Jun 30, 2009
Grant Date -
Apr 13, 2006
app pub date -
Nov 22, 2005
filing date -
May 1, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Compositions, methods, devices and kits utilizing water-based hydrophilic coating formulations on medical implements. The composition for applying a coating comprises a sulfonated polyester, water, and a surface active agent. Methods for coating a medical implement comprise providing an aqueous dispersion comprising sulfonated polyester and surface active agent, contacting the medical implement with the aqueous dispersion, and drying the medical implement. Methods for acquiring a sample of bodily fluid from a patient comprise coating a needle with a sulfonated polyester, penetrating the needle into the patient, and drawing bodily fluid through the needle.
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