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Fluid collection

  • US 10,071,190 B2
  • Filed: 11/20/2015
  • Issued: 09/11/2018
  • Est. Priority Date: 02/27/2008
  • Status: Active Grant
First Claim
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1. An apparatus for collecting fluid from a wound and delivering negative pressure to a wound dressing from a negative pressure source, comprising:

  • a canister comprising a fluid inlet, an outlet, a top end, and an elongate portion, the elongate portion having a length extending from the top end to an opposite bottom end of the canister, the inlet configured to be in fluid communication with the wound dressing, the outlet configured to be in fluid communication with the negative pressure source, wherein the inlet and the outlet are positioned at the top end of the canister, wherein the canister is configured to be expandable while maintaining negative pressure and wherein the canister comprises an inner surface and an outer surface, the inner surface configured to be in contact with fluid from the wound and the outer surface configured to be exposed to ambient atmosphere;

    at least one wicking element comprising an elongate section extending into the canister along substantially the entire length from the top end to the opposite bottom end of the canister; and

    at least one super absorber element arranged inside the canister and positioned proximate to the at least one wicking element, wherein the at least one super absorber element comprises a plurality of sheets of super absorbent material spaced apart in a substantially parallel arrangement, wherein the plurality of sheets of super absorbent material extends along substantially the entire length from the top end to the opposite bottom end of the canister;

    wherein the plurality of sheets of super absorbent material are located between the at least one wicking element and the inner surface of the canister.

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