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Devices designed for use as a working, detachable component of a surgical retractor. These blades consist of metal structures that typically include a thin, curved (e.g., hook-like) piece of metal (e.g., stainless steel) with one or several prongs and dull or sharp edges. They may include bolts or other mechanisms for attachment and locking to the retractor frame, some also include a light source to illuminate the surgical field. Several blades (typically two or three) attached to a retractor frame are used simultaneously. The retractor frame may or may not be fixed to the surgical table. Surgical retractor blades are usually reusable devices. They are available in a variety of shapes and sizes to accommodate different surgical procedures.
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