If you suffer from erectile dysfunction, you have a few different treatment options. For some men, less-invasive options like prescription medications and penile pumps simply don't cut it. If you're in this camp, then perhaps your doctor has recommended a penile prosthesis — implants that can be placed inside your penis in order to simulate an erection when needed. This procedure can work very well, but understandably, most men do have a few questions on their minds as they consider scheduling their prosthesis implantation.