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Synthes & Stryker Orthopedic Instrumentation Sell-Down | 50% Off Retail Preview (#1049544)

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Lot # 587

Synthes 312.09 Cannulated Washer Sleeve Orthopedic 13mm 4" View Watchlist >

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Lot # 587
System ID # 1161507

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Description
Synthes 312.09 Cannulated Washer Sleeve Orthopedic 13mm 4" • Model: 312.09 • Cannulated • Shaft Diameter: 13mm • Overall Length: 4 inches The Synthes 312.09 Washer Sleeve is a component of Synthes’ cannulated screw systems—specifically used with 6.5 mm headless compression screws (and appears in the 7.3 mm cannulated screw sets as a corresponding accessory). Its job is to function in conjunction with a washer and screw, helping with alignment, load distribution, and ensuring the screw‑washer interface behaves predictably. The sleeve portion helps guide the washer over the screw and ensures the washer seats properly—especially when using cannulated screws over a guide wire. The size specification (15.5 mm / 13.0 mm) refers to the washer/sleeve dimensions: the outer diameter (washer or sleeve that interfaces with the bone or soft tissue) and the inner diameter (which fits around or over the screw / guide wire / the portion of the screw that passes through). The dimensions are chosen to match the headless compression screw and washer geometry so that there is no undue play, misalignment, or risk of soft tissue injury. The washer sleeve ensures that the washer doesn’t “dig” into soft tissue and helps distribute compressive forces when the screw is tightened, especially in bone surfaces. Clinically, this component is vital when performing headless compression screw fixation in various anatomical settings (e.g. small bones, extremities) where compression, precise alignment, and minimal protrusion are important. The washer sleeve helps reduce soft tissue irritation, prevents washer movement during tightening, and ensures compression is applied where intended. Because it is single‑use, it ensures sterility and that tolerances are preserved (no wear, no deformation from prior use). In surgery, after drilling and placing the screw, the washer and sleeve are introduced—likely over a guide wire in cannulated systems—to seat the washer properly before final seating of the screw, resulting in stable fixation. This item is used and in excellent condition.