A percutaneous cross connector system for use with implantation rods comprising a rod attachment device comprising a first jaw portion and a second jaw portion. The first jaw portion comprises a first concave surface to engage with a surface of a rod, a first biasing member, and a first pivoting mechanism. The second jaw portion comprises a second concave surface to engage with an opposite surface of the rod from the first jaw portion, a second pivoting mechanism, a second biasing surface, and a second locking surface. The first and second jaw portions can be mated so that the first and second concave surfaces are positioned on opposite sides of the rod, the first and second pivoting mechanisms are aligned to pivot on a common axis, and the first biasing member is engaged against the second biasing surface to drive the second jaw portion against the rod.
