The two portions of the involved bone are separated by less than 1 centimeter (cm).Bone is stable on both ends by means of cast or fixation and.Aetna considers an ultrasonic osteogenesis stimulator medically necessary for non-unions, failed arthrodesis, and congenital pseudarthrosis (pseudoarthrosis) of the appendicular skeleton if there has been no X-ray evidence of progression of healing for 3 or more months despite appropriate fracture care, and the following criteria are met:.Fractures on these sites are difficult to heal because of poor vascular supply. This system uses pulsed ultrasound to speed healing. Fresh fractures, fusions, or delayed unions of the distal radius (Colles fracture) treated with closed reduction and cast immobilization.
Fresh fractures, fusions, or delayed unions of the 5th metatarsal (Jones fracture) or.Fresh fractures, fusions, or delayed unions of the scaphoid (carpal navicular) or.Fresh closed or grade I Footnotes* open, short oblique or short spiral fractures, fusions, or delayed unions of the shaft (diaphysis) of the tibia that are treated with closed reduction and cast immobilization or
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