Device for delivery of reduced pressure to body surfaces

A - Human Necessities – 61 – M

Patent

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Details

A61M 27/00 (2006.01) A61F 13/02 (2006.01)

Patent

CA 2744548

A device to deliver and maintain reduced pressure to body surfaces for application of reduced pressure wound therapy (RPWT) also known as negative pressure wound therapy (NPWT). A substantially airtight seal is formed around a section of tissue to be treated. This seal is formed by a dressing which provides fluid communication from a section of tissue to a reduced pressure source. The system may be configured to allow full rotation of the fluid communication conduit to the reduced pressure source. The system may be configured to include a one-way valve to prevent backflow of any drainage fluids, and with transparent windows covered by opaque flaps to allow inspection through the dressing. The system may be configured to include an indicator which visually makes clear whether reduced pressure is being applied or not. Also, the system is configured to minimize the profile of the dressing system.

L'invention porte sur un dispositif dapplication et de maintien de pression réduite sur des surfaces corporelles pour une application de traitement de plaie sous pression réduite (RPWT), appelé également traitement de plaie sous pression négative (NPWT). Un joint sensiblement étanche à l'air est placé autour de la section de tissu à traiter. Ce joint est constitué par un pansement qui permet une communication fluidique entre une section de tissu et une source de pression réduite. Le système peut être configuré de façon à permettre une rotation complète du conduit de communication fluidique par rapport à la source de pression réduite. Le système peut être configuré de manière à comprendre un clapet de non-retour destiné à empêcher le refoulement d'un quelconque fluide de drainage et des fenêtres transparentes recouvertes par des volets opaques destinées à permettre une inspection à travers le pansement. Le système peut être configuré de façon à comprendre un indicateur qui permet de vérifier visuellement si la pression réduite est appliquée ou non. De plus, le système est configuré pour minimiser le profil du système de pansement.

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