Polyaxial Spine Pedicle And Reduction Screw 28pc Box With 6 Rod, 6 Cross-link

Description: Polyaxial Spine Pedicle and Reduction Screws The development of polyaxial spine pedicle and reduction screws has marked a significant advancement in spinal surgery, particularly in the treatment of spinal deformities, fractures, and degenerative conditions. These screws play a critical role in spinal fixation systems, providing stability, facilitating correction of spinal misalignment, and enhancing fusion outcomes. This essay delves into the design, function, and clinical applications of polyaxial pedicle and reduction screws, highlighting their importance in modern spinal surgery. Design and Structure of Polyaxial Spine Pedicle Screws Polyaxial pedicle screws are a pivotal component of posterior spinal fixation systems. They consist of a screw that can be inserted into the vertebral pedicle and a head that can swivel or rotate, providing flexibility in angulation. This swivel capability, typically ranging between 30 to 60 degrees in multiple planes, allows the screw head to align with the connecting rod without needing perfect precision in screw placement. This flexibility is critical in cases of spinal deformity, where vertebral anatomy may not allow for perfect screw alignment. The design of polyaxial screws often incorporates self-tapping threads, which help the screw penetrate bone more easily and reduce the need for pre-drilling in some cases. The screw head is also designed to accept various rod diameters, typically ranging from 5.5 mm to 6.35 mm, which are essential for the stabilization of the spine post-surgery. Reduction Screws and Their Special Role Reduction screws are a specialized form of pedicle screws that include an extended screw head or tower to help reduce and correct spinal deformities or fractures. This extended mechanism allows surgeons to gradually pull the vertebral body back into alignment with the rest of the spine by using reduction instruments. The reduction screw facilitates better control over the vertebral body during correction maneuvers, which is particularly important in scoliosis, kyphosis, or trauma cases. These screws provide a means to pull or push the vertebrae into the desired alignment along the rod, contributing to both immediate and long-term stability. This function is vital in spinal deformity surgeries, where precise correction is needed to restore natural curvature and ensure long-term stability post-surgery. Mechanism of Action The primary function of polyaxial pedicle and reduction screws in spinal fixation systems is to provide a solid anchor point for the rods that stabilize the spine. Once inserted into the pedicles of the vertebrae, the screws serve as anchor points through which a connecting rod is affixed to stabilize multiple levels of the spine. The polyaxial head allows the rod to be seated into the screw at various angles, accommodating anatomical variability and spinal curvature. Reduction screws add another level of functionality by enabling vertebral bodies to be manipulated into alignment with the rod. The extended heads provide leverage, allowing surgeons to reduce displaced or deformed vertebrae into their correct position. This gradual and controlled alignment is essential for reducing spinal deformities or correcting traumatic dislocations. Clinical Applications Polyaxial pedicle and reduction screws have broad applications in spine surgery, particularly in cases requiring stabilization or correction of deformities. They are widely used in the treatment of spinal trauma, degenerative disc disease, spondylolisthesis, and spinal tumors. Their ability to provide strong fixation makes them an essential tool in both lumbar and thoracic spinal fusion procedures. One of the most critical applications of these screws is in the correction of scoliosis and other spinal deformities. The flexibility offered by polyaxial screws makes them particularly useful in these cases, as the surgeon can place the screws at varying angles to accommodate the often irregular spinal anatomy associated with these conditions. Reduction screws further enhance deformity correction by allowing precise adjustment of vertebral bodies during the surgical procedure. In trauma cases, where vertebrae may be displaced or fractured, polyaxial screws offer reliable stabilization. The pedicle screw's ability to anchor into the dense bone of the vertebral pedicle provides a stable foundation for realigning the spine and promoting bone healing. The reduction screws capacity to gradually manipulate vertebrae back into position without disrupting the spinal cord or other neural structures is critical for minimizing postoperative complications. Advantages and Limitations The use of polyaxial pedicle screws offers several advantages over fixed-angle screws. The primary advantage is their flexibility during rod placement, which reduces the need for perfect alignment between the screw and the rod. This flexibility simplifies the surgical procedure and reduces the risk of rod fracture due to misalignment. Polyaxial screws also reduce stress on the screws themselves and the surrounding bone, leading to better long-term stability and fewer complications such as screw loosening. Reduction screws provide the added benefit of allowing spinal deformities to be corrected gradually and with precision, reducing the risk of damage to the spinal cord or nerve roots during the procedure. This capability makes them invaluable in scoliosis and trauma surgeries. However, there are some limitations to polyaxial and reduction screws. The additional complexity of the polyaxial head can increase the overall bulk of the implant, which may be problematic in smaller patients or those with limited soft tissue coverage. Additionally, the flexibility of polyaxial screws, while beneficial in many cases, may provide slightly less rigid fixation compared to monoaxial screws in certain high-stress environments, such as in patients with osteoporosis or in the thoracolumbar junction. Conclusion Polyaxial pedicle and reduction screws have revolutionized the field of spinal surgery by offering flexible and reliable solutions for spinal stabilization and deformity correction. Their ability to accommodate various anatomical challenges and facilitate precise reduction of vertebral misalignment makes them indispensable in the treatment of complex spinal pathologies. Despite their limitations, the advantages of these screws in terms of ease of use, flexibility, and long-term stability make them a vital tool in modern spinal surgery. As technology continues to evolve, future advancements in screw design, materials, and instrumentation will likely further improve the outcomes of spinal fusion surgeries, reducing complications and enhancing patient recovery. Polyaxial pedicle and reduction screws will remain at the forefront of these innovations, ensuring that surgeons have the tools they need to achieve optimal results for their patients. Polyaxial Spine Pedicle and Reduction Screws are advanced spinal fixation devices used in the treatment of spinal deformities, fractures, and degenerative conditions. These screws feature a rotating head that allows flexible angulation during rod placement, providing stability and precision in spinal alignment. Reduction screws are designed to assist in correcting vertebral misalignment by gradually adjusting the spine during surgery. Their versatility and effectiveness make them essential in spinal fusion and deformity correction procedures. 1. Polyaxial spine pedicle screws 2. Reduction pedicle screw system 3. Spinal fixation screws 4. Spinal deformity correction 5. Polyaxial screw angulation 6. Reduction screw in spine surgery 7. Spinal fusion hardware 8. Pedicle screw rod system 9. Spinal trauma fixation 10. Vertebral alignment screws A transpedicular screw box is a specialized surgical instrument used in spinal surgeries for the placement and fixation of pedicle screws. It helps in accurately guiding and inserting screws through the vertebral pedicles, providing stability in spinal fusion procedures. This tool ensures precise alignment and fixation, which is crucial in treating spinal deformities, fractures, and degenerative spine conditions. Its design enhances the surgeon's control and reduces the risk of complications during spinal instrumentation. 1. Transpedicular screw box 2. Pedicle screw insertion guide 3. Spinal fusion tools 4. Transpedicular screw system 5. Spinal instrumentation kit 6. Pedicle screw fixation 7. Vertebral screw guide 8. Spinal surgery screw box 9. Spinal stabilization instruments 10. Accurate pedicle screw placement

Price: 1251 USD

Location: Sialkot

End Time: 2024-11-18T23:20:41.000Z

Shipping Cost: 150 USD