DEVICE FOR MEASURE MOVE LOWER LEG WITH RELATION BY THIGHBONE

摘要

Device for measuring the movement of the lower leg in relation to the thighbone The device for measuring the movement of the lower leg in relation to the thighbone is combined from the upper support (1), carrier plate (2) in which a groove is placed (12), carrier (3), moveable rods (4),with plate (14) sliding linear pot (5) linear pot (6) , amplifier (7), electronic convertor (8), display (9), bottom support (10) with " tape" (11) and paddle (13). The position of the carrier (3) in accordance to the upper support (1) can be adjusted by the groove (12) and fixed firmly by the paddle (13) which passes through the groove (12). Through the carrier (3) passes a moveable rod (4) which has a plate (14)placed on top. On the moveable rod (4) fixed firmly is the sliding linear pot (5). On the carrier (3) a linear pot is fixed (6). With the assistance of the amplifier (7), electronic convertor (8) and display (9), which are attached to the carrier plate (2), the mechanical movement of the moveable rod (4) is read on the display in millimeter's. The device is used so that the lower support (10) leans on the ankle of the foot and is latched by the "tape" (11), and the upper support leans onto the knee. After that, with the help of the paddle (13) the position of the moveable rod (4)is adjusted (4) through the carrier (3) in accordance to the knee and the length of the leg, and is than fixed by the paddle. After resetting the display "on zero", the joint knee is repressed by hand, and the length of movement is read on the display.