One type of knee replacement femoral outer positioning means

The present invention relates to a knee replacement femoral external positioning apparatus, wherein said positioning means comprises a fixed bow anterior superior iliac spine (1), a first connecting rod (2), said first connecting rod (1) a ratchet fixed vertical connection on the bow (1) before the iliac, the other end of the first connecting rod connecting osteotomy retainer (3), said positioning means further comprises a measuring rod (4), the measuring rod (4 ) is connected to the osteotomy retainer (3). Advantages of the present invention are as follows, 1) the overall structure of cleverly designed, easy to install; 2) used in the aspect of precise right angle connector design and positioning of multiple measurements of the osteotomy instrument further ensure accuracy; 3) the aspect the osteotomy positioner handle complex and delicate double fork, groove, hole design and scale. Double forked connecting rod can be designed to limit the locator, and the size of match can be guaranteed in the coronal parallel with the connecting rod.