PEDICAL HOOK
Pedicle hooks are specialized orthopedic implants used in spinal fusion surgeries for the purpose of spinal instrumentation and stabilization. Here's a breakdown of their specifications and uses:
Specification
- Material: Pedicle hooks are typically made from medical-grade titanium or titanium alloy, chosen for its biocompatibility and strength. This material ensures durability and compatibility with bone tissue.
- Design: Pedicle hooks are curved hooks that are designed to engage with the pedicles of the vertebrae, which are small bony protrusions on the posterior aspect of each vertebra. This design allows for secure anchoring of the implant to the vertebral column.
- Hook Configuration: The hook portion of the pedicle hook may vary in size and shape depending on the specific surgical technique and patient anatomy. Some pedicle hooks have a single hook configuration, while others may have a double or triple hook configuration for increased stability and fixation.
- Shaft: The shaft of the pedicle hook is typically cylindrical or slightly tapered and may feature serrations or threads along its length to enhance grip and stability when inserted into the pedicle.
- Connector: Pedicle hooks may have a built-in connector or attachment mechanism for connecting to rods, plates, or other spinal instrumentation components. This connector allows for the assembly of a rigid construct to stabilize the spine and promote fusion.
- Size: Pedicle hooks come in various sizes to accommodate different patient anatomies and surgical requirements. The size of the hook may be selected based on factors such as the size of the pedicle, the level of the spine being instrumented, and the surgical technique being employed.
Uses
- Spinal Fusion Surgery: Pedicle hooks are primarily used in spinal fusion surgeries to provide stabilization and instrumentation of the spine. They are typically utilized in conjunction with other spinal implants such as rods, screws, and plates to construct a rigid framework that promotes fusion of the vertebral segments.
- Degenerative Spine Conditions: Pedicle hooks may be used in the treatment of degenerative spine conditions such as degenerative disc disease, spinal stenosis, or spondylolisthesis. By providing stabilization and alignment of the spinal segments, pedicle hooks help alleviate symptoms and restore spinal function.
- Trauma Surgery: Pedicle hooks can also be employed in the treatment of traumatic spinal injuries, such as fractures or dislocations. They allow for secure fixation of the injured vertebral segments, preventing further displacement and promoting healing.
- Deformity Correction: In cases of spinal deformities such as scoliosis or kyphosis, pedicle hooks may be used as part of a corrective spinal fusion procedure. By anchoring to the pedicles of the vertebrae, pedicle hooks help realign the spine to a more anatomically correct position.
- Revision Surgery: Pedicle hooks may be utilized 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.
Pedicle hooks are valuable tools in spinal surgery, offering reliable fixation and stabilization of the vertebral column. They are utilized by trained spinal surgeons following proper surgical techniques and patient-specific considerations to achieve optimal surgical outcomes.