#$%^&*AU2019283984A120200123.pdf#####ABSTRACT A system for treating a female patient to promote pregnancy comprising a restriction device adapted to postoperatively restrict and release an oviduct of the patient.1/22 23 31 a 225 31 b 55 6 6 Fig. 1 A 23 31 a 2 5 252 31b Fig. 1 B