Patent ID: 8795319

Claim:
An occluding device for occlusion of a body cavity, the device comprising: an embolization coil formed from at least one wire strand, the embolization coil having a proximal portion and a distal portion extending longitudinally from the proximal portion, the embolization coil having an initial tension along the distal and proximal portions, the embolization coil being defined by a primary coil formed into a secondary coil, the primary coil having a primary shape defined by a linear longitudinally extending coil having a plurality of helical turns, the primary coil being helically wound into the secondary coil, the secondary coil having a series of axially spaced apart loops, the axially spaced apart loops being larger than the helical turns of the primary coil, and forming an inner lumen therethrough, the inner lumen being generally circular in cross-sectional shape, defining a central axis and a radius, the embolization coil being movable between an expanded state for occlusion of a body cavity and a collapsed state for delivery or retrieval; and absorbent material attached to the embolization coil and extending therefrom, the absorbent material being in the form of substantially flat strips, each of the flat strips having a pair of flat opposed ends and a length therebetween, the strips being attached at one of the opposed ends between two adjacent loops of the primary coil, wherein the length of each strip extends from the primary coil into the inner lumen of the secondary coil in a direction transverse to the central axis of the inner lumen at a distance that is greater than or equal to the radius of the inner lumen so that the other opposed ends of the strips overlap or touch at the central axis, the flat strips including at least one of cotton and regenerated cellulose for occlusion of the body cavity.