Wound treatment apparatus with exudate volume reduction by heat

A - Human Necessities – 61 – M

Patent

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Details

A61M 1/00 (2006.01) A61M 27/00 (2006.01)

Patent

CA 2691729

Apparatus (130) for use in wound therapy of mammals is described, the apparatus (130) comprising: a dressing covering the wound, the dressing being substantially sealed to prevent ingress of ambient atmospheric air to the wound; aspiration means (132) operably connected to a space between the dressing and the wound by an aspiration conduit (142) sealed to the point of entry between wound and dressing against ingress of ambient atmosphere, said conduit (142) being for aspiration of said wound and for removal of fluid from said space between said wound and said dressing; a waste container (148) for receiving aspirated fluid to be discarded operably connected to said aspiration conduit; and heating means (144) for heating said fluid in order to increase the vapour pressure thereof and to cause evaporation to reduce the volume of the fluid in the waste container (148). In a preferred embodiment of the present invention the waste fluid is also provided with a sparge gas.

L'invention concerne un appareil (130) destiné à être utilisé dans le traitement des blessures des mammifères, l'appareil (130) comprenant : un pansement recouvrant la blessure et sensiblement scellé hermétiquement pour empêcher le passage de l'air ambiant atmosphérique dans la blessure; un dispositif d'aspiration (132) raccordé de manière fonctionnelle à un espace entre le pansement et la blessure par un conduit d'aspiration (142) scellé au point d'entrée entre la blessure et le pansement pour empêcher l'air ambiant de pénétrer, le conduit (142) permettant d'aspirer la blessure et de retirer le fluide de l'espace entre la blessure et le pansement; un récipient pour déchets (148) destiné à recevoir le fluide aspiré devant être rejeté et qui est raccordé de manière fonctionnelle au conduit d'aspiration, et un élément chauffant (144) pour chauffer le fluide afin d'augmenter la pression de vapeur de celui-ci et de provoquer l'évaporation pour réduire le volume de fluide dans le récipient de déchets (148). Selon un mode de mise en oeuvre préféré de l'invention, un gaz de lavage est envoyé dans le fluide résiduaire.

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