Wound cleansing apparatus with heat

Details Wound cleansing apparatus with heat Wound cleansing apparatus with heat

A - Human Necessities

61

M

A61M 1/00 (2006.01) A61F 7/00 (2006.01) A61F 13/00 (2006.01) A61M 3/02 (2006.01) A61M 27/00 (2006.01)

Patent

CA 2543933

An apparatus for cleansing and promoting tissue growth in wounds, in which irrig ant fluid optionally containing cell nutrients and/or other physiologically active material from a reservoir connected to a conformable wound dressing and wound exudate from the dressing are recirculated by a device for inoving fluid through a flow path which passes through the dressing, a biodegradahle scaffold in cont act with the wound bed and a means for fluid cleansing and back to the dressing. The apparatus has means for supplying thermal energy to the fluid in the wound. The cleansing means (which may be a single-phase, e.g. micro--filtration, system or a two-phase, e.g. dialytic system) 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 dressing and a method of treatment using the apparatus.

L'invention concerne un dispositif de nettoyage et de stimulation de la croissance tissulaire des plaies dans lequel: un fluide irrigateur, contenant éventuellement des nutriments cellulaires et/ou d'autres matières physiologiquement actives provenant d'un réservoir relié à un pansement adaptable, ainsi que l'exsudat libéré par le pansement sont recyclés par un organe qui conduit le fluide à travers un circuit d'écoulement qui passe par le pansement; un échafaudage biodégradable est en contact avec le lit de la plaie; et des moyens permettent de purifier le fluide avant de le renvoyer au pansement. Ce dispositif comprend des moyens qui fournissent de l'énergie thermique au fluide sur le site de la plaie. Les moyens de nettoyage (lesquels peuvent être monophasiques, par ex. un système de micro-filtration, ou diphasiques, par ex. un système dialytique) éliminent les matières nuisibles à la cicatrisation de la plaie. Le fluide purifié, encore chargé de substances bénéfiques qui favorisent la cicatrisation des plaies, est renvoyé au lit de la plaie. L'invention concerne en outre un pansement et un procédé de traitement utilisant ce dispositif.

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