Subtalar Screw with double expansion can expand distal part to 4 mm (on the diameter), correcting plantar arch and keep it up. This kind of screw expand in distal part and proximal part, forming a hourglass with a stabile anchor in senus tarsus. The main body is done in PE-UHMWPE and the internal screw in Titanium.
Subtalar Screw with double expansion Ø9x18 mmcode 41-0915Instrument kitcode 41-4100Gauge, size 9 mm code 40-2809Screwdriver guide code 41-4120Hexagonal screwdriver, size 2,0 mm code 41-4110