Chemically Coated Screen for Use with Hydrophobic Filters
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United States of America Patent
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Issued Date -
Jul 25, 2013
app pub date -
Jul 18, 2012
filing date -
Nov 5, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A system for subatmospheric pressure therapy in connection with healing a wound includes a wound dressing adapted for positioning relative to a wound bed and a subatmospheric pressure mechanism. The subatmospheric pressure mechanism includes a housing; a vacuum source in the housing and associated with a vacuum port; a collection canister defining an internal chamber in fluid communication with the vacuum source through the vacuum port and with the wound dressing for collecting exudates removed from the wound bed; a hydrophobic filter in fluid communication with the vacuum source and the internal chamber of the collection canister; and a screen disposed proximally of the filter. The filter is adapted to prevent exudates from reaching the vacuum source while allowing passage of air to the vacuum source.
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