Conformable wound dressing
Assignee3M Innovative Properties Company
InventorsWayne L. Liedtke, Richard L. Jacobson
Life of this patent
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Abstract
A wound dressing comprising an absorbent pad, an adhesive layer, and a backing layer is described, along with a dressing support layer configured to retain and deliver the wound dressing to a wound, the dressing support layer having a radial configuration that forms a plurality of alternating covered and uncovered portions of the backing layer along the perimeter of the wound dressing.
Claims46
A wound dressing and delivery system comprising:
- a wound dressing comprising a backing layer with a first and second major surface, and an adhesive layer on at least a portion of the first major surface of the backing layer;
- and
- a dressing support layer releasably attached to the second major surface of the backing layer, wherein the dressing support layer has a radial configuration that forms a plurality of alternating covered and uncovered portions of the backing layer along the perimeter of the wound dressing.
A wound dressing and delivery system comprising:
- a wound dressing substrate configured to be placed on a wound, the dressing substrate having an absorbent interior surrounded by a flexible less absorbent periphery;
- and
- a dressing delivery substrate configured to be retained on the wound dressing substrate before placement of the wound dressing substrate on a wound and removed from the wound dressing substrate after it has been applied to the wound;
- wherein the delivery substrate has one or more central portions positioned proximate the interior and a plurality of extensions radiating from the one or more central portions toward the periphery of the dressing substrate.
A wound dressing and delivery system comprising:
- a wound dressing comprising:
- an elastic film backing having first and second major surfaces and a periphery;
- an adhesive on the first major surface of the backing;
- and an absorbent pad on the first major surface of the backing, the absorbent pad having a size and position along the backing such that the periphery of the backing extends substantially beyond the absorbent pad, the absorbent pad including hydrocolloid or hydrogel materials, the absorbent pad being substantially thicker, heavier and stiffer than the elastic film backing;
- and
- a delivery system comprising:
- a support layer removably mounted on the second major surface of the backing, the support layer overlapping the absorbent pad with the backing sandwiched between the support layer and absorbent pad, the support layer comprising a plurality of extensions radiating from one or more central areas toward the outer edge of the periphery of the wound dressing, the support layer being substantially more rigid than the backing to facilitate handling of the dressing.
A method of applying a wound dressing to a wound on a convex surface, the method comprising:
- (a) providing a wound dressing comprising:
- (i) an absorbent pad and an adhesive layer and backing layer, wherein the adhesive layer and backing layer form an adhesive perimeter around the absorbent pad;
- and
- (ii) a dressing support layer configured to retain and deliver the wound dressing to a wound, the dressing support layer having a plurality of extensions in a radial configuration that forms a plurality of alternating covered and uncovered portions of the backing layer along the adhesive perimeter of the wound dressing;
- (b) positioning the adsorbent layer over the wound;
- (c) applying a surface pressure to the plurality of extensions along the perimeter of the wound dressing to conform perimeter of the wound dressing to the convex surface and secure it to skin surrounding the wound.
Dependencies are inferred from the claim text.