I-Loc Method of Fracture Repair


Key Points

The I-loc system, developed by Dr. Loic Dejardin, provides a very stable construct for the repair of bone fractures

This method of repair is excellent for bones that have been shattered

It can also be used for minimally invasive fracture repair

Importantly, this method of fracture repair helps to preserve the blood supply to the bone, thus accelerating fracture healing and minimizing the risk for a nonhealing fracture

 

Introduction

Fracture repairs can be done with many methods, some are excellent and others are not so good. Keys to fracture repair include preservation of the biology of the bone (basically save all muscle/blood supply attachments to the bones, very sterile environment/technique, provision of an adequate size implant to provide a stable contstruct, and ensure that the pet is not too active in the postop period.

 

Options for fracture repair are as follows:

  • minimally displaced fracture – keep pet in cage until healed
  • minimally displaced fracture – support the fracture with a splint or cast
  • intramedullary pin – usually combined with other methods of support such as cerclage wiring, plating, or external fixator
  • External fixator
  • Bone plate and screws
  • Interlocking nail – the system we use is called the I-loc

Details about the I-loc

The I-loc is a large pin (called a nail) that has four holes (two at the top and two at the bottom) that are threaded. Bolts are placed transversely through the top and bottom of the bone and through the holes in teh plate. These bolts have thread on them and interlock with the threads of the holes of the nail. Below is a video that shows how the I-loc is performed in a dog (animated video).


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