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Provision of wound filler

  • US 9,801,761 B2
  • Filed: 06/02/2015
  • Issued: 10/31/2017
  • Est. Priority Date: 07/02/2010
  • Status: Active Grant
First Claim
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1. A solventless system for forming a porous wound filler at a wound site, comprising:

  • a drape comprising an opening and configured to be secured over a wound cavity to form a seal;

    a base component;

    a catalyst component;

    a releasing agent;

    a mixer configured to mix the base component, catalyst component, and releasing agent to form a liquid filler material, the mixer configured to deliver the liquid filler material to the wound cavity; and

    wherein the base component and the catalyst component of the liquid filler material are configured to react to form a wound filler comprising;

    a solid porous wound filling portion positioned under the drape; and

    a removable excess portion positioned outside the wound cavity, wherein the base component and the catalyst component of the liquid foam filler are further configured to react to expand outward to form a porous wound filler and apply an outward force against the wound cavity and the drape to direct the porous wound filler through the aperture to form the removable excess portion without causing the seal to lift away from the wound cavity.

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