Oxygen releasing material
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United States of America Patent
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N/A
Issued Date -
Jun 29, 2006
app pub date -
Apr 11, 2003
filing date -
Apr 11, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An oxygen releasing bandage or dressing is based on a stable complex between polyvinyl acetal and hydrogen peroxide. Medical grade polyvinyl acetal sponge is treated with hydrogen peroxide, thereby forming a complex between the acetal plastic and the hydrogen peroxide. The dressing material is then affixed to a wound preferably with an oxygen impermeable covering. Fluids from the wound are drawn into the sponge where catalase and other enzymes in the fluids breakdown the hydrogen peroxide to release oxygen. If treatment of relatively dry wounds is desired, catalyst solutions can be introduced into the bandage to stimulate production of oxygen. The bandages are stable for a prolonged period of time.
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