Patent ID: 8808259
Filing Date: 2014-08-19
Classification: A61F,A61M

Abstract:
1. An apparatus for the application of topical negative pressure therapy to a site on the skin of the body of a mammal, the apparatus comprising: a dressing configured to sealingly cover the site, the dressing comprising: a conduit in fluid communication with the dressing; a first suction device comprising a syringe and second suction device comprising a syringe in fluid communication with the conduit and configured to individually and simultaneously provide a source of reduced pressure to the site; a valve member in fluid communication with the conduit and the first and second suction devices, the valve being configured to regulate a flow of fluid through the conduit; and a constant tension spring member coupled to the syringe of at least one of the first and the second suction devices, the constant tension spring member configured to provide power to the syringe of at least one of the first suction device and the second suction device to generate negative pressure at the dressing; wherein: