Product Overview
The Cobb (Dawson-Yuhl) Elevator is a specialized periosteal instrument characterized by its broad, rounded blade and a heavy-duty, knurled handle. Unlike standard periosteal elevators, the Dawson-Yuhl variation features a specific curvature and weight distribution optimized for the deep, high-resistance tissue planes found in the lumbar and thoracic spine. It is the primary tool for creating a clean, “dead-lock” exposure of the vertebral landmarks. Forged from high-tensile surgical steel, it ensures the clinician can apply significant leverage without fear of instrument flexion.
Key Features
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“Beast-Force” Broad Blade: The distal tip is hand-ground to a precise, semi-sharp edge. This allows for the effective “scraping” of muscle attachments from the bone while the broad surface area prevents the blade from digging into or fracturing the cortical surface.
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Ergonomic “Power-Grip” Handle: Features an oversized, knurled handle designed for a full-palm grip. This provides the mechanical authority required to displace dense paraspinal muscles with a “liquid-smooth” motion, even in high-BMI patients.
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Reinforced Structural Shaft: The shaft is engineered with a thicker diameter to transmit 100% of the surgeon’s manual torque directly to the bone-tissue interface. This ensures a “dead-lock” on the tissue plane during elevation.
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Optimal Tip Curvature: The Dawson-Yuhl profile is slightly more aggressive than a standard Cobb, allowing the “beast” to follow the convexities of the lamina and pedicle more naturally, reducing the risk of unintended tissue tearing.
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Surgical-Grade Resilience: Manufactured from premium, hardened stainless steel. It is built to maintain its edge geometry and structural rigidity through thousands of high-heat sterilization cycles.
