Process for the manufacture of multi-layered wound dressings

Details Process for the manufacture of multi-layered wound dressings Process for the manufacture of multi-layered wound dressings

B - Operations, Transporting

32

B

B32B 37/12 (2006.01) A61F 13/00 (2006.01) A61L 15/58 (2006.01) B32B 37/06 (2006.01) B32B 38/00 (2006.01)

Patent

CA 2469809

A continuous process for manufacturing a multilayered wound dressing (10) including an apetured wound contact layer (13), an absorbent material layer (12), and a backing layer (11). The process includes providing a substantially continuous first web (19) including layer (13) and a first process lelease liner (15),forming a plurality of apetures (14) through layer (13), applying layer (12) to layer (13), laminating a sbstantially continuous web of layer (11) over layer (12) to form a composite web, and cutting individual multilayered dressing (10) from the composite web.

L'invention concerne un procédé continu de fabrication d'un pansement (10) à multiples couches comprenant une couche (13) de contact avec la lésion ouverte, une couche (12) de matériau absorbant, et une couche (11) de support. Le procédé consiste à utiliser une première bande (19) sensiblement continue comprenant une couche (13) et un premier revêtement (15) de libération du produit, formant une pluralité d'ouvertures (14) dans la couche (13), à appliquer la couche (12) sur la couche (13), à laminer une bande sensiblement continue de la couche (11) sur la couche (12) pour former une bande composite, et à découper le pansement à multiples couches individuel (10) dans la bande composite.

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