Malunion Surgery

"We use computer aided deformity analysis, planning and simulation to correct most skeletal deformities. A 3D printed patient specific osteotomy guided is utilized in these surgeries to obtain precision reproduction of the surgical plan."

Skeletal deformity due to fracture malunion or other reasons such as developmental and degenerative diseases can be corrected by deformity correction surgery. For many years these cases were evaluated by X-rays and computed tomography and surgical plans were made on 2 dimensional X-rays by methods such as drawing on films and templating. With the dawn of the 4th industrial revolution 3D computer models generated from computed tomography scans have been used increasingly to both understand the deformity better and make surgical plans on them. Today computer aided design (CAD) and manufacturing helps us make patient specific surgical plans and produce 3D printed surgical guides which minimizes the risks of deformity correction surgery through precision.

patient specific osteotomy guide literature

"With the help of 3D orthopedics, even these very risky cases of malunion and skeletal deformities can be surgically corrected in a secure and predictable fashion."

In the computer aided planning phase simulations for osteotomies (bone cuts) are made on the 3D computer models of the patient’s bones. These simulations easily help the surgeon for visualising the outcomes of the osteotomy and making decisions on the type of implant to be used and the number of screws to be used for secure bone fixation. Once the ideal deformity is decided upon, an anatomy matching osteotomy guide is also designed by the help of the CAD software.

 This patient specific osteotomy guide is than 3D printed and utilized during the surgery to exactly perform the planned osteotomy. As a result the deformity correction does not get affected by poor decisions and technical difficulties encountered during the surgery. This also decreases the surgical time which is very desirable for many reasons including decreases in the frequency of surgical infection and blood loss. 

The patient specific planning and osteotomy guides are today the pinnacle of deformity surgery and are quickly becoming common for many deformity correction surgeries. Some of the common examples for this state of the art technological novelty are cubitus varus (elbow deformity due to fracture malunion), malunited forearm fractures, hallux valgus (foot bunion), “O” knees or “X” knees. Among these cubitus varus which is also named as “crooked arm” used to be a very risky surgery, many surgeons did not even think to touch these cases before 3D patient specific aide was available. Yet with the help of this technological pinnacle and novelty even these very risky cases of malunion and skeletal deformities can be surgically corrected in a secure and predictable fashion.

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Hemen Ara

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