论文信息 - Nomogram for Measuring the Anteversion Angle and Angulation of Fracture from Roentgenograms

Nomogram for Measuring the Anteversion Angle and Angulation of Fracture from Roentgenograms

Most of the numerous methods for computing the anteversion angle rely on the use of complicated nomograms and tables (BILLING 1954, DUNLAP et colI. 1953, JOHNSON 1941, MAGILLIGAN 1956, LEGER 1952, RYDER & CRANE 1953, SCHERTLEIN 1929). Nomograms and trigonometric formulae have also been devised for computing the angulation of a fracture (BOGDANOV 1950) while graphical methods have been envolved for the construction of this and the anteversion angle (LEFEBVRE ett coll. 1961, NORMAN 1965). Practically all the methods necessitate the two projections being perpendicular to each other as well as to the axis of one of the fragments, and the method now presented is based on a nomogram having the same requirements. More general means of measuring angles exist (EDHOLM 1966) but the simplicity and mode of application of the nomogram would appear to warrant its description.

P Edholm | P. Edholm

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