Técnicas cirugía

ESF Augmentation System Instructions

ESF Augmentation System Instructions


 

The modified clamps are used in place of the standard clamps to secure the fixation pins closest to the fracture. The modified clamps work exactly like the standard clamps.


 
The distance between the two clamps closest to the fracture is compared to the series of plates to determine which plate to use. The chosen plate is applied to the inner two clamps with bolts. Occasionally, the plate will need to be twisted with wrenches or plate bending irons to ensure it lies flat on the clamps.

 
The bolts for Augmentation plates have the same head size as the clamp bolts, but are slightly shorter and marked. The Augmentation plate works with the connecting rod to form a rod and beam construct that results in over 400% increase in stiffness(resulting in an axial stiffness of over 150 N/mm). The Plate can be removed during fracture healing once an initial callus has formed to dynamize the fracture. This system allows one to change the frame stiffness without removing pins, therefore maintaining bone/pin interface.