An occlusion device comprising a plurality of inner coils and a plurality of outer coils is described. When the device is deployed to a body vessel or a body cavity, it expands radially due to the material from which the outer coils are made. The inner coils function to occlude the vessel while the outer coils provide support. The device can be capped at both ends or may have a free distal end. A method of deploying the device is also provided.
