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Wound treatment apparatus and method

  • US 8,529,548 B2
  • Filed: 12/22/2010
  • Issued: 09/10/2013
  • Est. Priority Date: 04/28/2004
  • Status: Active Grant
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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