Source: https://patents.justia.com/patent/8080702
Timestamp: 2019-11-19 00:34:39
Document Index: 469965391

Matched Legal Cases: ['Application No. 200480032101', 'Application No. 2006', 'Application No. 2006', 'Application No. 2006', 'Application No. 04', 'Application No. 2739605']

US Patent for Wound cleansing apparatus in-situ Patent (Patent # 8,080,702 issued December 20, 2011) - Justia Patents Search
Justia Patents Bandage StructureUS Patent for Wound cleansing apparatus in-situ Patent (Patent # 8,080,702)
Aug 2, 2010 - Smith & Nephew PLC
Latest Smith & Nephew PLC Patents:
Reduced pressure wound therapy kit and packaging
Wound treatment apparatus and method
FIGS. 12a and 13 in which the exudate is static and a cleansing fluid passes through the cleansing means one or more times in only one direction, and
FIG. 12b, in which the exudate and optionally irrigant and a cleansing fluid each pass through the cleansing means one or more times in only one direction, here countercurrent to each other.
FIGS. 12a and 13 show such a system, a dialysis unit, in which only the cleansing fluid separated from the wound exudate is the moving fluid.
FIG. 12b shows such a system, a dialysis unit, in which the cleansing fluid and the wound exudate optionally with irrigant are the moving fluids.
FIG. 12a shows apparatus in which the only the cleansing phase moves.
FIG. 12b shows apparatus in which the cleansing phase and the wound exudate phase move.
In FIG. 12b, a third boss (78) with a wound exudate outlet passing centrally through it and a fourth boss (79) with a wound exudate inlet passing centrally through it are both mounted peripherally and mutually diametrically opposed in the backing layer (3).
a negative pressure system comprising: a miniature pump for applying negative pressure to the wound dressing to move wound exudate from the wound area, the miniature pump being integral with and mounted to the backing layer of the dressing; and a pressure control device configured to control or vary the pressure under the backing layer applied by the pump in response to a pressure detected underneath the backing layer.
a negative pressure system mounted on the wound dressing, the negative pressure system including: a miniature pump for applying negative pressure to the wound area to facilitate removal of wound exudate from the wound area, the miniature pump being integral with and mounted to the wound dressing, a pressure control device configured to control or vary the pressure under the backing layer applied by the pump in response to a pressure detected underneath the backing layer.
positioning a wound dressing over the wound, the wound dressing comprising: a backing layer having a proximal, wound-facing side; and a permeable polymer film on a proximal side of the backing layer and defining a space between the backing layer and the permeable polymer film;
a wound dressing comprising: a resiliently deformable backing layer having a proximal, wound-facing face, the proximal, wound-facing face bearing an adhesive film thereon for adhering the backing layer to skin surrounding a wound; a resiliently flexible chamber configured to be positioned beneath the backing layer on a proximal side of the backing layer and configured to sequester wound exudate during application of negative pressure; a permeable membrane on a distal side of the chamber adjacent the backing layer configured to retain said wound exudate within the chamber; and a permeable polymer film on a proximal side of the chamber adjacent the wound configured to pass wound exudate through the film into the chamber; and
positioning a wound dressing over the wound, the wound dressing comprising: a backing layer; a porous layer beneath the backing layer; a resiliently-flexible filler located in a space between the backing layer and the porous layer; and a filter configured to retain wound exudate in the space between the backing layer and the porous layer;
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Patent number: 8080702
Filed: Aug 2, 2010
Patent Publication Number: 20110087179
Assignee: Smith & Nephew PLC (London)
Inventors: Patrick Lewis Blott (York), Bryan Greener (York), Edward Yerbury Hartwell (York), Derek Nicolini (Brough), Tina Michelle Walker (York), Julian Lee-Webb (York)
Application Number: 12/848,817
Current U.S. Class: Bandage Structure (602/41); Means For Removing Material From Surface By Suction (604/313); Means And Methods For Collecting Body Fluids Or Waste Material (e.g., Receptacles, Etc.) (604/317)
International Classification: A61F 1/00 (20060101); A61M 1/00 (20060101);