Wound treatment employing reduced pressure
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United States of America Patent
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May 15, 2007
Issued Date -
N/A
app pub date -
May 23, 2001
filing date -
Nov 14, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of treating tissue damage comprises applying a negative pressure to a wound sufficient in time and magnitude to promote tissue migration and thus facilitate closure of the wound. The method is applicable to wounds, burns, infected wounds, and live tissue attachments. A wound treatment apparatus is provided in which a fluid impermeable wound cover is sealed over a wound site. A screen in the form of an open-cell foam screen or a rigid porous screen is placed beneath the wound cover over the wound. A vacuum pump supplies suction within the wound cover over the treatment site.
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