US2006213527A1PendingUtilityA1
Wound treatment employing reduced pressure
Individually held — no corporate assignee on recordPriority: Nov 14, 1991Filed: May 25, 2006Published: Sep 28, 2006
Est. expiryNov 14, 2011(expired)· nominal 20-yr term from priority
A61M 1/982A61M 1/91A61M 1/782A61M 27/00A61M 1/84A61M 1/79A61M 1/75A61M 2205/7518A61B 17/08A61F 2013/00919A61B 2017/00557A61M 1/08A61M 16/06A61B 17/085A61F 13/0226A61M 2205/3379A61B 90/00A61B 2017/306A61M 2205/7545A61F 13/0246A61F 13/05
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Claims
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.
Claims
exact text as granted — not AI-modified1 . A method of promoting the healing of an open wound in the skin, comprising the step of uniformly distributing a negative pressure in the wound until the wound is substantially filled with granulation tissue.
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