LATERAL OFFSET CONNECTOR
A rod for pedicle screws is a fundamental component of spinal instrumentation systems used in spinal fusion surgeries. Here's an overview of its specifications and uses:
Specification
- Material: Rods for pedicle screws are typically made from medical-grade titanium or titanium alloy, chosen for their biocompatibility, strength, and durability. In some cases, stainless steel rods may also be used. The material selection ensures compatibility with bone tissue and long-term stability within the spinal construct.
- Diameter: Rods come in various diameters to accommodate different patient anatomies and surgical requirements. The diameter of the rod is chosen based on factors such as the size of the pedicle screws, the level of the spine being instrumented, and the degree of stability required.
- Shape: Rods may have different shapes, including straight rods, pre-bent rods, or contoured rods. Pre-bent or contoured rods are shaped to match the natural curvature of the spine or to correct deformities, facilitating optimal alignment and stabilization of the spinal segments.
- Length: Rods are available in various lengths to accommodate the specific surgical technique and the number of spinal levels being instrumented. Surgeons may select rods of appropriate length to span the desired vertebral segments and achieve adequate fixation.
- Surface Texture: The surface of the rod may be textured or coated to enhance grip and stability within the pedicle screws. Textured surfaces or coatings can help prevent loosening or migration of the rod within the screw heads, ensuring long-term stability of the spinal construct.
Uses
- Spinal Fusion Surgery: Rods for pedicle screws are primarily used in spinal fusion surgeries to provide stabilization and instrumentation of the spine. They serve as a rigid framework to support the vertebral segments and promote fusion of the adjacent vertebrae.
- Correction of Spinal Deformities: These rods are often used in the correction of spinal deformities such as scoliosis, kyphosis, or spondylolisthesis. By connecting pedicle screws placed in strategic locations along the spine, the rods help to realign the spine to a more anatomically correct position.
- Trauma Surgery: Rods for pedicle screws can be employed in the treatment of traumatic spinal injuries, such as fractures or dislocations. They provide additional stability and support to the injured spinal segments, aiding in fracture reduction and promoting healing.
- Revision Surgery: These rods may be used in revision spinal surgeries to augment or replace existing instrumentation. They can provide additional stability and support in cases where previous instrumentation has failed or requires modification.
- Minimally Invasive Surgery: In minimally invasive spinal surgeries, rods with a low-profile design are used to minimize tissue disruption and facilitate less invasive approaches. They allow for stabilization of the spinal instrumentation system while preserving adjacent anatomical structures.
In summary, rods for pedicle screws are essential components in spinal fusion surgeries, providing crucial stability and support to the spinal construct. They are utilized by trained spinal surgeons following proper surgical techniques and patient-specific considerations to achieve successful surgical outcomes.