Titanium Alloys: Offer moderate stiffness and strength.
Cobalt Chrome (CoCr): Provides high stiffness and yield strength.
Stainless Steel: A relatively easy-to-bend material with good strength.
Design and Shaping
Pre-cut Length: Unlike longer rods that must be cut in the operating room, pre-cut rods are a specific length, reducing surgical time and the risk of errors during the procedure.
Pre-bent Options: Some systems offer pre-bent rods to achieve the desired spinal curvature (lordosis), which can improve biomechanics and lower the overall height of the spinal construct.
Patient-Specific Rods (PSRs): These are custom-designed and manufactured to the exact patient’s spinal anatomy, offering a more precise fit and potentially better correction of deformities.
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