Reduced pressure wound dressing having a wound contact surface with columnar protrusions
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United States of America Patent
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Nov 15, 2011
Grant Date -
Dec 4, 2008
app pub date -
May 9, 2008
filing date -
May 10, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A reduced pressure treatment system is provided for delivering a reduced pressure to a tissue site comprising a distribution manifold including a backing substrate with a first side and a second side and a plurality of protrusions positioned on the first side of the backing substrate, each of the protrusions having a substantially circular cross-sectional shape and having a diameter of between about 0.1 and 2.0 millimeters, the backing substrate having a plurality of apertures formed therein to allow fluid communication between the first side and the second side opposite the first side. A reduced pressure source fluidly connects to the apertures of the backing substrate to deliver the reduced pressure through the apertures, between the protrusions, and to the tissue.
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