Valgus high tibial osteotomy with addition wedge

Knee replacement is the most commonly used surgery to treat knee osteoarthritis.

However, tibial osteotomy may delay, or even avoid, arthroplasty.

One of the most common osteotomies is the one which quecorrects “genu valgum”. In this case, a cut is made at thepreviously established position. A wedge is then included tocorrect the valguisation angle.

Surgical planning

  • a) TOM JIG® T+ surgical guide system is required under a virtual prescription based on 2D CT images.
  • b) DIGITAL ANATOMICS software is used to calculate the oblique osteotomy plane to obtain the results required by the surgeon.
  • c) The 3D anatomical model is made.
  • d) Personalized surgical guide is designed. Finally, the biomodel and the guide are manufactured via 3D printing.

Surgical process

The main purpose of this kind of surgeries is to achieve the correct alignment of the tibia, allowing the internal compartment of the knee to be unloaded.

It is algo a way to prevent and/or delay the progression of gonarthrosis.


TOM JIG® T+ system enables the fulfilment of that aim.

Performance

The use of TOM JIG®T+ surgical guide system enabled the execution of the intervention, increasingprecisión, minimising the risks of neurovascular injury, shortening operating theatre times anddecreasing the time of exposure to X-ray radiation.

Planning
Postoperative control
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