Implantable valved pressure attenuation device

摘要

Disclosed herein are devices for treating symptoms of a urinary tract dysfunction having an expanded volume within the range of from about 1 cc to about 400 cc. In one embodiment, the device comprises a valve having a first membrane and a second membrane with a flow passage therebetween for filling the attenuation device. In another embodiment, the device comprises a valve for permitting the filling of the attenuation device through a filling device.