VCA Download brochure Watch the video Indication Hyperpronated foot and unstable subtalar joint. Request information Advantages Easy InsertionUnaltered Endo sinus tarsi structuresTwo diametersEasy removalVCA VCA screws are available in two sizes, small and large Ø 6mm and Ø 8 mm, in stainless steel and titanium. VCA VCA screws are available in two sizes, small and large Ø 6mm and Ø 8 mm, in stainless steel and titanium. Elevation and lateralization The conical shape of the screw results in a biomechanical advantage as it allows a lateralization and elevation of the talus. Elevation and lateralization The conical shape of the screw results in a biomechanical advantage as it allows a lateralization and elevation of the talus. Unaltered Endo sinus tarsi structures An eso sinus tarsi arthroereisis is performed. Consequently, all the structures of the endo sinus tarsi remain unaltered. Unaltered Endo sinus tarsi structures An eso sinus tarsi arthroereisis is performed. Consequently, all the structures of the endo sinus tarsi remain unaltered. Easy Removal Removal is easy with the dedicated screwdriver that has an internal section that locks onto to the screw. Easy Removal Removal is easy with the dedicated screwdriver that has an internal section that locks onto to the screw.