Wound dressing and method of treatment
AssigneeSmith & Nephew, Inc.
InventorsEdward Yerbury Hartwell, Varuni Rachindra Brownhill, John Gowans
Life of this patent
Estimating the term…
Abstract
Embodiments disclosed herein are directed to negative pressure treatment systems and wound dressing systems, apparatuses, and methods that may be used for the treatment of wounds. In particular, some embodiments are directed to improved wound dressings comprising a number of viewing portals that facilitate observation of wound tissue or healthy skin underlying the wound dressing. Some embodiments of the viewing portals are provided by forming through holes in internal dressing layers including absorbent material and transmission material, optionally by providing a plug material within the through holes, and by providing translucent or transparent cover layer and tissue contact layer materials.
Claims14
A wound dressing for negative pressure wound therapy, comprising:
- a wound contact layer;
- a first material layer comprising a first plurality of horizontally spaced apart windows extending vertically through a thickness of the first material layer;
- a second material layer comprising a second plurality of horizontally spaced apart windows extending vertically through a thickness of the second material layer, individual first horizontally spaced apart windows aligned with individual second horizontally spaced apart windows to form individual through holes extending to the wound contact layer;
- and
- wherein individual windows of at least one of the first plurality of horizontally spaced apart windows and the second plurality of horizontally spaced apart windows comprise a translucent or transparent material.
Dependencies are inferred from the claim text.