Wound cleansing apparatus in-situ

摘要

An apparatus for cleansing wounds, in which wound exudate is removed from a wound bed and selectively cleansed and returned to the wound. The cleansing means removes materials deleterious to wound healing, and the cleansed fluid, still containing materials that are beneficial in promoting wound healing, is returned to the wound bed. The associated wound dressing and cleansing means are conformable to the wound, and may have irrigant fluid circulated from a reservoir by a device for moving fluid through a flow path which passes through the dressing and a means for fluid cleansing and back to the dressing.

主权项

1. A wound treatment system for the treatment of a wound, comprising:
a wound dressing comprising:
a substantially flat backing layer comprising a continuous sheet having a proximal, wound-facing face and a distal face, the backing layer capable of forming a relatively fluid-tight seal over the wound;a boss fixedly attached to the backing layer at an opening in the backing layer;a permeable polymer film having a proximal, wound facing face and a distal face, wherein the distal face of the permeable polymer film is attached to the proximal face of the backing layer and the proximal face of the permeable polymer film is configured to contact the wound; anda resiliently flexible filler contained between the backing layer and the permeable polymer film; a vacuum pump configured to apply negative pressure to the wound dressing; and a fluid offtake tube connected to the boss and configured to provide fluid communication between the vacuum pump and the wound dressing.