Medical adhesive dressing
View Patent ↗Medical adhesive dressings are disclosed having handle members adhered to polymeric film layers by a layer of adhesive which adheres firmly to the polymeric film layer, but does not adhere to skin or to the silicone coated surface of a release liner. A portion of the handle extends beyond an edge of the polymeric film to facilitate separation of the film from the release liner, and handling thereof during application to a patient. The adhesive adhering the polymeric film to the patient's skin is more aggressive with respect to the patient's skin than the adhesive on the undersurface of the handle is to the polymeric film, whereby the handle can be peeled away from the polymeric film after the film has been applied to the patient.
1. A method of making a medical adhesive dressing, comprising:
providing a polymeric film having a first adhesive coated side and a second non-adhesive side, and having a release liner covering the adhesive coated side; and
bonding handle stock with a pressure sensitive adhesive to the non-adhesive side of the polymeric film along at least one edge of the polymeric film, with at least a portion of the handle stock extending beyond the edge of the polymeric film and overlying the release liner, the first adhesive adhering the polymeric film to skin more aggressively than the adhesive on the handle stock adheres to the polymeric film.
2. The method of claim 1 , wherein the polymeric film comprises a polyurethane film.
3. The method of claim 2 , wherein the release liner is a silicone coated release liner.
4. The method of claim 1 , wherein the handle has an undersurface that is entirely coated with the pressure sensitive adhesive.
5. The method of claim 4 , wherein the pressure sensitive adhesive does not adhere to the liner and does not adhere to skin.
6. A method of making a medical adhesive dressing, comprising:
forming a layered assembly by juxtaposing a polymeric film web to a release liner web, the polymeric film web having a width less than the width of the release liner web and including a polymeric film layer having an adhesive coated side and a non-adhesive side and a casting sheet layer in juxtaposition with the non-adhesive side of the polymeric film layer;
removing the casting sheet from the layered assembly, whereby the non-adhesive side of the polymeric film is exposed; and
adhering handle stock web to the exposed non-adhesive side of the polymeric film layer with a pressure sensitive adhesive.
7. The method of claim 6 , wherein the handle stock web comprises handle stock web that may be die cut to define spaced window openings.
8. The method of claim 6 , wherein the handle stock web comprises handle stock web that may be applied as two spaced ribbons.
9. A method of making a medical adhesive dressing, comprising:
providing a layered assembly including a polymeric film having an adhesive coated side and a non-adhesive side, and a temporary release liner adhered to the adhesive coated side of the polymeric film;
adhering handle stock to the non-adhesive side of the polymeric film layer with a pressure sensitive adhesive;
removing the temporary release liner from the layered assembly whereby the adhesive coated side of the polymeric film is exposed; and
adhering a final product release liner to the adhesive coated side of the polymeric film layer.
10. The method of claim 9 , wherein the handle stock web comprises handle stock web that may be die cut to define spaced window openings.
11. The method of claim 9 , wherein the handle stock web comprises handle stock web that may be applied as two spaced ribbons.
12. A method of making a medical adhesive dressing, comprising:
providing a polymeric film having an adhesive coated side and a non-adhesive side;
adhering handle stock web to the non-adhesive side of the polymeric film with a portion of the handle stock web extending beyond an edge of the polymeric film, the handle stock web having an underside and being adhered to the polymeric film with a pressure sensitive adhesive applied to the entire underside of the handle stock web; and
pressing a release liner onto the adhesive coated side of the polymeric film with a portion of the release liner extending beyond the edge of the polymeric film.
13. The method of claim 12 , wherein the handle has an undersurface that is entirely coated with the pressure sensitive adhesive.
14. The method of claim 13 , wherein the pressure sensitive adhesive does not adhere to the liner and does not adhere to skin.
15. The method of claim 14 , wherein a portion of the handle stock web extending beyond the edge of the polymeric film overlies a portion of the release liner extending beyond the edge of the polymeric film.
16. A method of making a medical adhesive dressing, comprising:
entirely coating the undersurface of a sheet of polymeric film stock with an adhesive which adheres firmly to the human skin, but which readily releasably adheres to the surface of a layer of release liner;
entirely coating the undersurface of a sheet of handle stock with a pressure sensitive adhesive which adheres moderately firmly to the material of the polymeric film, but which does not adhere to skin or to a release liner;
adhering the sheet of polymeric film stock to a sheet of release liner stock;
die cutting the polymeric film stock only to create a plurality of individual sections of film stock adhered to the release liner stock;
cutting the handle stock into individual handles and adhering the individual handles to the individual sections of film, with portions of the handles extending beyond the edges of the sections of film such that they overlie the release liner stock; and
die cutting the release liner stock into individual sections, each section including the section of polymeric film adhered thereto, with at least one handle adhered to the polymeric film section.
17. The method of claim 16 , wherein the polymeric film comprises a polyurethane film.
18. The method of claim 16 , wherein the release liner is a silicone coated release liner.
19. The method of claim 18 , wherein the adhesive coating the undersurface of the handle is acrylate-based.
20. The method of claim 19 , wherein the adhesive coating the undersurface of the polymeric film is acrylate-based.