[Electroejaculation and lower motor neuron lesion: a report of cases].

Semen was obtained by transrectal electrostimulation from two spinal injured men who had not ejaculated since their injuries. Vibratory stimulation was unsuccessful. Side effect-pain, was reported in one of the patient. A silicone catheter was used to tamponade the bladder neck and antegrade ejaculations were collected with no incidences of urine contamination and no sperm were seen in post ejaculatory urine.