3m Innovative Properties Company

Karen M Bisbee

Steven B Heinecke

Donald George Peterson

Richard L Jacobson

Robert H Menzies

Scott G Norquist

A conformable adhesive article for use as a sterile medical dressing is described. The article includes a breathable polymeric matrix, a plurality of phases, and an adhesive composition positioned on the polymeric matrix. The plurality of phases preferably provide reinforcement and stiffness to the article. The article permits transport of moisture across the breathable polymeric matrix, preferably at an Inverted water moisture vapor transmission rate of at least 300 g/m/24 hours.

Adhesive composite having distinct phases

Adhesive composite dressings with simple and inexpensive delivery systems and methods of manufacturing the dressings are disclosed. The dressings include liners having a release surface and a retention surface. The bond strength between the liner and the pressure sensitive adhesive in the area of the retention surface is greater than the bond strength between the liner and the pressure sensitive adhesive in release surface. The increased bond strength in the area of the retention surface allows the backing to be held taut during delivery to assist in smooth aseptic delivery of the dressing. The retention surfaces can be provided by abrasion, embossing, perforating the liner, or combinations thereof. In addition, the methods of manufacturing the dressings can be practiced in-line with other converting operations using standard release liners.

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Maplewood, MN, United States of America

Karen M Bisbee