![]() Finally, the system includes instrumentation for a cannulated technique to facilitate the surgeons preferred method of implanting with a cannulated or solid screw for fixation. This Nitinol K-wire is designed to flex and follow the curvature of the intramedullary canal while limiting the chance of broaching the surrounding cortex. The patent pending PRECISION® Jones Curved K-wire Guide positions a Nitinol K-wire into the center of the intramedullary canal simplifying placement which may reduce intraoperative fluoroscopy time. The system includes instrumentation designed to facilitate placement of a K-wire high and inside the proximal portion of the 5th metatarsal. This fracture can happen because of repetitive stress, or because of a twisting injury of the foot. All screws have a low-profile head to minimize prominence and avoid cuboid impingement. A Jones fracture can be caused by overuse. All screws have a short thread and blunt tip to minimize disruption to the cortical bone and remain within the intramedullary canal of the 5th metatarsal. ![]() The screws are constructed from Titanium Alloy that is Type II Anodized for improved fatigue strength. A Jones fracture involves an injury to the fifth metatarsal bone of the foot, which is the bone at the base of the small toe. The system is made up of 4.0 mm, 4.5 mm, 5.5 mm and 6.2 mm, solid and cannulated screws. An orthotic insert is used to support the foot in the area of the fracture and is to be used long term.The PRECISION® Jones Fracture Screw System offers surgeons 120 unique screw options to address Zone 2 (Jones) fractures at the base of the 5th metatarsal.Wear a stiff soled (rigid soled) shoe for a minimum of three months.The boot can be removed at night, and for gentle movement exercises.Use a boot (CAM walker) for about 2 more weeks. ![]()
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