Vacuum pumps are undoubtedly effective
Disadvantage: The daily wearing time of 3 to 4 hours required for success can usually only be achieved by enduring considerable discomfort and sacrificing valuable leisure time. Be warned against high-performance vacuum pumps with a correspondingly strong suction effect! If the pull is too strong, blood vessels may rupture, resulting in thrombosis. Immediate surgery is inevitable.
At the urological department of the Grosshadern Clinic in Munich two or three such operations are performed daily.