Wound treatment apparatus and method
First Claim
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1. An apparatus for aspirating and irrigating a wound, comprisinga conformable wound filler configured to be placed in the wound;
- a wound cover configured to form a seal over the wound;
a fluid supply tube configured to supply fluid to the wound;
at least one fluid reservoir configured to be connected to the fluid supply tube;
an outlet tube configured to supply negative pressure to the wound;
a negative pressure source configured to be connected to the outlet tube, the negative pressure source configured to apply negative pressure to the wound by cycling between a first negative pressure level and a second negative pressure level;
a control device configured to;
control the fluid supply and the negative pressure source such that fluid is supplied to the wound while fluid is simultaneously aspirated from the wound;
maintain a desired balance of fluid removed from the wound and fluid supplied to the wound; and
control the fluid supply such that fluid from the at least one fluid reservoir is supplied to the wound in a plurality of fluid supply cycles, each fluid supply cycle supplying a volume of fluid with a time period between fluid supply cycles.
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Abstract
An apparatus and method for aspirating, irrigating and/or cleansing wounds is provided. The apparatus and method include one or more of the following: simultaneous aspiration and irrigation of the wound, supplying of thermal energy to fluid circulated through the wound; supplying physiologically active agents to the wound; a biodegradable scaffold in contact with the wound bed; and application of stress or flow stress to the wound bed.
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Citations
21 Claims
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1. An apparatus for aspirating and irrigating a wound, comprising
a conformable wound filler configured to be placed in the wound; -
a wound cover configured to form a seal over the wound; a fluid supply tube configured to supply fluid to the wound; at least one fluid reservoir configured to be connected to the fluid supply tube; an outlet tube configured to supply negative pressure to the wound; a negative pressure source configured to be connected to the outlet tube, the negative pressure source configured to apply negative pressure to the wound by cycling between a first negative pressure level and a second negative pressure level; a control device configured to; control the fluid supply and the negative pressure source such that fluid is supplied to the wound while fluid is simultaneously aspirated from the wound; maintain a desired balance of fluid removed from the wound and fluid supplied to the wound; and control the fluid supply such that fluid from the at least one fluid reservoir is supplied to the wound in a plurality of fluid supply cycles, each fluid supply cycle supplying a volume of fluid with a time period between fluid supply cycles. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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Specification