An inflatable device to be positioned between a body portion and an
underlying surface includes one or more inflatable cells. In some
embodiments, the inflatable device also includes a dressing, attached to
the one or more inflatable cells, to be secured to a patient's skin. In
some embodiments, the inflatable device also includes an adhesive to
secure the one or more inflatable cells to a patient's skin. The
inflatable device is secured to the body portion, coupled to a pump, and
repeatedly inflated and deflated.