Ilizarov Fixator System

Ilizarov Fixator System – Circular External Fixator

The Ilizarov Fixator System, developed by Dr. Gavriil Ilizarov in the 1950s. This development transformed the field of orthopedic surgery. Ilizarov’s method involves attaching the apparatus to the affected limb with wires and pins, then gradually adjusting it to promote new bone growth. This technique has been widely adopted for bone lengthening and reconstruction. Despite initial skepticism from the medical community, his methods gained recognition due to their high success rates.

This innovative external fixator is used to treat complex fractures, bone deformities, and length discrepancies. Its unique design and functionality have made it a preferred choice for many orthopedic surgeons worldwide.

The Ilizarov Fixator System apparatus uses a series of external metal rings and wires to stabilize and lengthen bones. It also corrects deformities and promotes bone healing. This system is commonly used in cases of limb length discrepancy, non-healing fractures, and bone infections. It is also used for complex orthopedic conditions.

The unique design of the Ilizarov Fixation System apparatus allows for gradual adjustments to be made over time. This leads to improved outcomes for patients.

As a result, this innovative technique has revolutionized the field of orthopedic surgery. It continues to be a valuable tool for surgeons worldwide.

Lengthening and Deformity Correction of Bones:

Surgeons employ the Ilizarov tools to lengthen or reform impaired bones located in the arm or leg regions. This method is particularly advantageous for addressing complex fractures. It is also useful for open bone fractures. Additionally, it helps with infected non-unions resistant to surgical intervention.

The Ilizarov Fixator System is a circular external fixator composed of rings, rods, and wires. These components are attached to the bone through small incisions, allowing for precise adjustments and gradual correction of bone deformities.

The system is particularly effective for:

Deformity correction: It corrects angular and rotational deformities of bones.
Complex fractures: It stabilizes fractures that are difficult to treat with traditional methods.

Bone lengthening: It can gradually lengthen bones, a process known as distraction osteogenesis.

Extremity Saving Technique:

In the presence of unhealed fractures, the Ilizarov system offers a limb-preserving surgical solution. It enables the healing and regeneration of bones in cases of osteopathic non-unions.

Distraction Osteogenesis:

Dr. Ilizarov discovered the phenomenon of distraction osteogenesis while experimenting with the adjustable-rod frame on his external-fixation device. He observed how the adjustments led to bone regeneration. He extended the frame and observed the formation of fibrocartilage callus around the bone fracture site. This process ultimately led to bone regeneration. His findings were groundbreaking in the field of orthopedic surgery. The technique has since been widely adopted for bone lengthening and reconstruction.

The Ilizarov Fixation System can:

Correct angular deformities in legs.
Address leg length discrepancies.
Resolve osteopathic non-unions.
Treat structural defects in long bones by transporting bone segments and promoting regeneration.

Ilizarov Fixator works on the principle of distraction osteogenesis, where controlled mechanical tension stimulates new bone formation. The process involves:

Application: Attaching the fixator to the affected limb using wires and pins inserted into the bone.
Distraction: The bone segments are gradually separated by adjusting the fixator. This adjustment promotes new bone growth in the created gap.
Consolidation: Once the desired length or correction is achieved, the consolidation phase begins. In this phase, the new bone is allowed to harden. Finally, the bone matures to complete the process.

Ingredients in Ilizarov Fixation System

The Ilizarov Fixation system, also known as the Ilizarov apparatus, is a specialized external fixator used in orthopedic surgery. It is composed of several key components:

Rings: These are typically made of stainless steel or titanium and are used to encircle the limb.
Kirschner Wires and Pins: Heavy-gauge stainless steel wires and pins are used to transfix the healthy bone.
Threaded Rods and Adjustable Nuts: These components are used to connect the rings and allow for precise adjustments.
Additional Rings and Spacers: These can be added to provide extra stability and to accommodate different limb sizes and shapes.

The apparatus works by applying controlled tension to the damaged limb, which helps in the biological process of distraction osteogenesis, facilitating the regeneration of bone and soft tissue.

–NX MED Ilizarov Fixator System Basic Set–

–NX MED Ilizarov Fixator System Deluxe Set–

Modules:	Dimension and Features:
Ring	Aluminium – 80 mm to 220 mm
Rod	SS – 60 mm to 400 mm
Post	SS – Male / Female – 1 hole to 5 holes
Cube	AL – 1 hole to 5 holes
Hinge	Single Axis – Multi Axis