Abstract: An air flow and filtration control system in the form of a headgear which is worn by a physician during a surgical procedure, a technician during an assembly process, or any other user wherein controlled air flow and air filtration is required or desired. The system includes a lightweight headgear structure which substantially surrounds the upper portion of the head of the wearer. A fan is mounted in the headgear structure and is positioned to move air relative to the headgear structure. A shroud (or hood) can be draped over and attached to the headgear structure in such a fashion as to completely cover the headgear structure and to cover at least a portion of the wearer in order to maintain sterile or controlled environmental conditions relative to the wearer. Typically, the shroud may include at least one filtration area (which may comprise the entire shroud) and a screen at the front of the apparatus for viewing therethrough.

Abstract: An absorbent dressing which does not stick to the wound to thereby minimize secondary lesions which are caused by shearing stresses and the like. The dressing includes an absorbent pad and a thin support film with an adhesive layer therein to maintain the dressing in place on a patient. A backer sheet supports the film and a release liner covers the adhesive layer. The support film is, preferrably, transparent or translucent which permits visual inspection of the pad.