Perforated binder for laminated wound dressing
A method of manufacturing a laminated dressing that includes providing a lower layer having a fiber material that directly contacts a patient's skin and a wound area, providing an upper layer that has a foam or foam-like material that absorbs exudate and moisture, and binding the fiber-based lower layer and the foam-based upper layer with a binder layer comprising a binder material, the binder layer including a series of perforations. The perforations in the binder layer are formed by removing material from the binder layer with a pattern coated adhesive sheet prior to binding the fiber-based lower layer and the foam-based upper layer.
1. A method of manufacturing a laminated dressing, comprising:
providing a lower layer comprising a fiber material configured to directly contact a patient's skin and a wound area;
providing an upper layer comprising a foam material configured to absorb exudate and moisture; and
binding a fiber-based lower layer and a foam-based upper layer with a binder layer comprising a binder material, the binder layer including a series of perforations;
wherein the perforations in the binder layer are formed by removing material from the binder layer with a pattern coated adhesive sheet prior to binding the fiber-based lower layer and the foam-based upper layer.
2. The method of claim 1 wherein said lower layer is fabricated from a non-woven, spunlaced polymer fabric.
3. The method of claim 1 wherein said lower layer is fabricated from polyethylene fibers.
4. The method of claim 3 wherein some of said polyethylene fibers are coated with silicone.
5. The method of claim 1 wherein said lower layer is fabricated from regenerated cellulose fiber material.
6. The method of claim 5 wherein some of said regenerated cellulose fiber material includes silicone.
7. The method of claim 1 wherein said upper layer is fabricated from polyurethane.
8. The method of claim 1 wherein said upper layer includes an antimicrobial agent.
9. The method of claim 8 wherein said antimicrobial agent is inorganic.
10. The method of claim 8 wherein said antimicrobial agent is metal-based.
11. The method of claim 1 wherein said binder layer is fabricated from a polyester or polyamide material.
12. A method of fabricating a laminated dressing comprising:
bringing a binder layer into contact with a pattern-coated adhesive sheet;
making a series of closed-loop cuts in the binder layer; and
moving the binder layer away from the pattern-coated adhesive sheet to remove portions of the pattern coated adhesive with the binder layer to form a series of cleared perforations in the pattern-coated adhesive.
13. The method of claim 12 wherein said binder layer is fabricated from a polyester or polyamide material.