Figure 69

Figure 69 The vacuum device to induce tumescence is based on a simple concept. The device is lubricated with jelly around the rim to
create an air-tight seal (a). A vacuum is then created, using a hand-operated or electrical pump, which draws blood into the penis, thereby
inducing tumescence (b). The erection is maintained by slipping the ring off the base of the device onto the base of the penis (c)