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Paragon 28 launches new screw and instrumentation system for Jones fractures

Paragon 28 has expanded its foot and ankle portfolio with the introduction of new Precision Jones Fracture Screw System.

The system is comprised of 120 unique screw options spread across four screw families (4.0 mm, 4.5 mm, 5.5 mm, and 6.2 mm).  Solid and cannulated options of each screw length (34-60 mm; 65 mm) are available to address varying anatomies and fracture patterns.

The screws are constructed from titanium alloy that is type II anodized for improved fatigue strength. All screws have a short thread and blunt tip to minimize disruption to the cortical bone and to ensure the intended trajectory through the intramedullary canal of the 5th metatarsal is maintained during insertion. Additionally, the screws have a low profile head to minimize prominence and avoid impingement of the cuboid.

The PRECISION™ Jones Fracture Screw System also includes instrumentation designed to facilitate placement of a K-wire high and inside the proximal portion of the 5th metatarsal. 

The patent pending PRECISION™ Jones Curved K-wire Guide has a tip which matches the base curvature of the 5th metatarsal and radius of curvature which aims the handle of the guide away from the lateral malleolus and cuboid.

 This guide's primary function is to aid in positioning a nitinol K-wire into the center of the intramedullary canal simplifying placement which may reduce intraoperative fluoroscopy time. Constructed from nitinol, the K-wire will flex and follow the curvature of the intramedullary canal while limiting the chance of broaching the surrounding cortex.

In addition to the Curved K-wire Guide, the system includes implant specific taps, countersinks, and standard and long drills to aid in implanting the screw through either a traditional or cannulated technique.