Robotic Fallopian tubes Recanalization Surgery by Dr R K Mishra at World Laparoscopy Hospital done to a young patient after Previous Tubectomy by Pomeroy Technique. If the fallopian tubes are blocked, fertilization can't happen. Fallopian tube recanalization helps open blocked tubes to improve a woman's chances of becoming pregnant. This surgery is also called "Tubal Reversal," also called "Tubal Sterilization Reversal," or "Tubal Ligation Reversal," or ... Microsurgical sutures are used to precisely align the tubal lumens (inside canal of tube), the muscular portion (muscularis externa), and the outer serosa.