Back to results
US 11,559,437 B2Granted
Multi-layered wound dressing and method of manufacture
AssigneeSmith & Nephew, Inc.
InventorsDaniel Lee Steward, Emma Cole, Hannah Bailey Sidebottom, Neil Patrick
Life of this patent
Estimating the term…
Abstract
A multi-layered wound dressing including a fibrous absorbent layer for absorbing exudate from a wound site. The wound dressing also includes a support layer configured to reduce shrinkage of at least a portion of the wound dressing.
Claims20
A multi-layered wound dressing comprising:
- a fibrous absorbent layer for absorbing exudate from a wound site;
- a support layer configured to reduce shrinkage of at least a portion of the multi-layered wound dressing;
- and
- a liquid impermeable film layer,
- wherein the support layer is located between the absorbent layer and the film layer, and
- wherein the support layer has a tensile strength from 0.05 to 0.06 Nm.
3 more elements
A method of manufacturing a multi-layered wound dressing, the method comprising:
- forming a support layer that comprises a net layer and a bonding layer by coextruding the net layer and the bonding layer;
- forming a fibrous absorbent layer for absorbing exudate from a wound site;
- and
- laminating the support layer and the absorbent layer together to form the wound dressing by attaching the bonding layer to the absorbent layer;
- wherein the support layer is configured to reduce shrinkage of at least a portion of the multi-layered wound dressing, and
- wherein the support layer has a tensile strength from 0.05 to 0.06 Nm.
3 more elements
Dependencies are inferred from the claim text.