COLLIERVILLE, Tenn., May 15, 2019 /PRNewswire/ — AMDT Holdings, Inc. — which develops new products to address existing and emerging needs in the extremity market — has gained FDA clearance for its SixFix™ hexapod fixator device and an associated version of its SixFix deformity analysis and correction software (DACS) application. Hexapod fixators commonly consist of two rings connected …