Surgery – Means and methods for collecting body fluids or waste material – Aspiration collection container or trap
Reexamination Certificate
2009-03-13
2011-10-11
Zalukaeva, Tatyana (Department: 3761)
Surgery
Means and methods for collecting body fluids or waste material
Aspiration collection container or trap
C604S305000, C602S042000
Reexamination Certificate
active
08034038
ABSTRACT:
A portable closed wound drainage system that uses a pouch shaped dressing which is inserted into a wound. At least a portion of the outer surface of the pouch1is porous to allow exudates to enter. Exudates are removed from the pouch by flexible tubing which is secured inside the pouch at one end, and secured at the other end to a portable drain/suction unit. The pouch contains porous material, and may optionally contain beads and fillers which are antibacterial in nature. The tubing can have a single or multi-lumen structure with perforations in the side walls of the end of the tube that is inserted in the pouch to allow body fluids to enter laterally. The portable drain/suction unit is preferably a portable battery powered device. The pouch and the tube are sealed by a flexible sealing material which is applied to the outer surface of the skin around the periphery of the pouch and the tubing as it exits the pouch. This sealing material is preferably a hydro-colloid, a silicone, or a lyogel, such as a hydrogel, which are easily deformable. A cosmetic cover sheet is attached to the patient's skin over the closed wound drainage system.
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Biggie John J.
Biggie Lydia B.
Dawson John A.
Hanrahan Benedict L
NeoGen Technologies, Inc.
Nixon & Peabody LLP
Zalukaeva Tatyana
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