1.   She and Blauwet have rods implanted in their backs.

2.   Two titanium rods were implanted, held in place by four surgical screws, that braced the spine together while it healed.

3.   Conventional treatment of OI is limited to surgically implanting metal rods along the long bones of the arms and legs.

4.   Dr. Donald Jones said consulting doctors have suggested Martin could have a rod implanted in his lower leg bone to strengthen it, but extended walking weakens it.