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  • תמונת הסופר/תLimor Haviv

Radius Deformity Correction with 3D Printed patient-specific instruments

Thanks to 3D pre-surgical planning and the use of Patient-Specific Instruments, a successful radius deformity correction surgery was performed last week at Sheba Medical Center.

Dr. Yona Yaniv and Dr. Amir Arami from the Hand Surgery Department at Sheba Medical Center, says that the surgery was significantly shortened and the patient received good and accurate clinical results.

The patient is a 19-year-old male who broke the radial bone as a child and suffered immobility in his right hand. The purpose of the surgery was to restore the radius to its former shape and improve the range of motion of the hand.

In the first step, a 3D segmentation was made from CT data. The healthy contralateral side was mirrored, precisely aligned and used as a template for the correction. Dr. Arami and Dr. Yaniv planed the osteotomies together with Limor to match the template. The surgeons decided to reconstruction with two osteotomies proximally for a close wedge and one distally osteotomy for an open wedge.

A 3D printed model with the final position of the bone was made to match the fixation plates.

Drilling and cutting guides were designed according to the positioning of the plates screws.

With the help of this guides, the surgeons pre-drills the screw holes before the osteotomies are preformed and the saw blade is guided through slots built into the cutting guides. To achieve the planned correction, plates are placed on the bone by aligning the pre-drilling holes. Thanks to the experienced surgeons and the accurate PSI, the result was exactly like the plan.

According to Dr. Yaniv: using the proximal PSI has shortened the surgery at least by an entire hour

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הצג הכול

3D - CMF


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