The BioDerm® Penile Clamp, is designed to temporarily stop the flow of urine through the urethra. Initially developed for use in conjunction with the BioDerm® male external catheter this simple male urinary incontinence product may also help men who are dribbling or leaking. Men who undergo surgery for prostate disease or prostate cancer or have an enlarged prostate may experience urinary incontinence as a result of their condition. Due to it's unique design it may be especially helpful to men who have experienced shrinking due to prostate removal, effects of age or other conditions. Men who have used the Cunningham clamp will be familiar with it's operation.