NEGATIVE PRESSURE WOUND DRESSING
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United States of America Patent
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Issued Date -
Mar 21, 2019
app pub date -
Mar 19, 2018
filing date -
Mar 19, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
A negative pressure wound dressing is provided. The negative pressure wound dressing sequentially includes a barrier layer, an indicating layer, a liquid impermeable, a liquid impermeable, gas permeable layer, an absorbent layer and a wound contacting layer, wherein, the barrier layer comprises a connecting hole for fluidly connecting a negative pressure source, and the indicating layer comprises at least one visual indicating element on the surface adjacent to the barrier layer. By using the negative pressure wound dressing of the present invention, the user can be reminded to replace the dressing timely by the visual indicating element which can detect the wound exudates absorption in the absorbing layer to effectively improve the wound healing.
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