How is penis traction device different from vacuum pump?
Vacuum pumps work by suctioning the tissues to obtain an immediate and abrupt vasodilatation. The results obtained are temporary, lasting only up to 12 hours. Frequently used, they will cause capillary rupture, fibrosis, hematomas and over long term, it may alter the capability of penile erection. Vacuum pumps are a sex-shop item and not a medical device.