in older children in whom rigidity of the pubic symphysis did not permit a sufficient amount of acetabular tilt the acetabulum had to be isolated from the rest of the pelvis by a triple osteotomy which consisted of , in addition to the osteotomy of the ilium , osteotomies of the superior pubic ramus and the ischium or the inferior pubic ramus .
C0030797
pelvis
C0223666
inferior pubic ramus