Patent ID: 6398767
Filing Date: 2002-06-04
Classification: A61M

Abstract:
A process for application of active substances to a wound surface of a wound having a rim, said process comprising:applying a padding of a porous material upon the wound surface; providing a cover over the wound surface and the padding, and sealingly securing said cover onto the skin surface about the rim of the wound; introducing at least one fluid active substance via at least one supply line into the padding; and removing said at least one fluid active substance by suctioning out of the padding, wherein the introducing and the suctioning out of the active substance is timely controlling in such a manner, that the introduction and the suctioning off are conducted in separate, not overlapping time intervals (respectively T1 and T3) and that a dwell time interval (T2) is provided between the introduction of and the suctioning off of the active substance.