The bladder is made of muscles. There are also muscles (sphincters) at the neck of the urethra that control the flow of urine from the bladder. (The urethra is the tube that runs from the bladder to the outside of your body). When the BladderVoid hot pack is applied, these sphincter and bladder muscles relax, urine flows more freely, allowing the user to fully empty his bladder. Blood vessels dilate, muscles relax and the urge to empty the bladder is both stimulated and facilitated with the use of BladderVoid. This safe easy to use medically patented device eliminates the pain, frustration and inconvenience associated with enlarged prostate symptoms. BladderVoid Can Help With The Following