Wound covering and its method of production by extrusion coating
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United States of America Patent
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Aug 14, 2012
Grant Date -
Sep 2, 2010
app pub date -
Oct 27, 2006
filing date -
Feb 6, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a production method for a foam wound dressing with an outer germ barrier, in particular a film layer, and to a wound dressing obtained by such a method. In the method according to the invention, the germ barrier is generated by means of extrusion directly on the foam support. This results in a more reliable union between foam layer and germ barrier, without thereby compromising the absorbency of the foam in respect of wound exudate. The proposed method is simple and inexpensive and is able to satisfy all the requirements of the medical sector (e.g. freedom from solvents).
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