MEASURING DEVICE FOR THE INCLINATION OF THE VERTEBRAL COLUMN

摘要

A measuring device (1) for measuring the inclination of the vertebral column, comprising a supporting element (2, 4) provided with a lateral reference edge (2a) designed to be set so that it bears upon the portion of the vertebral column that is to be measured, and at least one inclinometer (3) fixed on the supporting element (2) in such a way as to be able to detect and indicate the inclination of the lateral reference edge (2a) with respect to the vertical; the inclinometer (3) comprising a bushing (5) fixed on the supporting element (2) in such a way that it can turn, an indicating ball (7) set so that it is free to move inside an annular groove (8) made on the surface of the top end (5a) of the aforesaid bushing (5), and a goniometer (6) with circular scale fixed on the surface of the end (5a) of the bushing (5) in such a way that its circular graduated scale (6a) is set above and in a position corresponding to the annular groove (8); the aforesaid annular groove (8) being moreover sealed and filled with a viscous fluid that is able to brake the free movement of the indicating ball (7).