Orthopedics instruments-Rongeur, elevator/dissectorCreated OnApril 14, 2020Last Updated OnApril 14, 2020byadmin You are here: Main Surgical Instruments Orthopedics instruments-Rongeur, elevator/dissector < All Topics Table of Contents Orthopedics instruments-Rongeur, elevator/dissectorKerrison rongeur Features: Variable jaw lengths including 1mm, 2mm, 3mm, 4mm and 5mm Two jaw slants – 40˚ & 90˚ Two types – forward biting & backward biting Uses: To remove bone from smaller areas of the spine Caspar toothed disc rongeur Features: With serrated or toothed jaws Uses: To help remove disc and tissue Stille-Luer rongeur/straight ronguer/large-mouth rongeur Features: Large handle Double-action mechanism Thin and sharp jaws Uses: To grasp, bite and detach large amount of tissue. Zaufel-Jansen rongeur/small-mouthed rongeur Features: Large handle Double-action mechanism Thin and sharp jaws Uses: To remove pieces of bone and the soft tissue surrounding the bone. Cushing rongeur Features: Medium-sized handle Single hinge Short, oval, cup-shaped jaws Uses: To remove pieces of bone and the soft tissue surrounding the bone. Howarth elevator Features: Double ended instrument with a central streamlined handle and two dissimilar blades that can accommodate various surgical manipulations Uses: To elevate tissues or raise a depressed or sunken piece of bone. To separate soft tissues away from nerves and vessels Key elevator Features: A solid, smooth, octagonal handle with a squared, flat, and sharp working end coming in a variety of sizes. Uses: To dissect or separate hard tissue such as periosteum from bone. Freer elevator Features: Round handle with flattened, tear shape tips at both ends. One end is sharper than another. Uses: To lift the periosteum from bone or to retract in confined spaces Cobb elevator Features: With various lengths of handles and sizes of paddles Uses: To elevate and push the muscle away from the bone to allow visualization of the spine Crego elevator Features: Thick handle with long, thin, curved and flat edge Uses: To dissect, separate or retract tissue
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