Based on the difficulties of acetabulum setting nails during operation,in a traditional handicraft anatomical reference landmark system to modify and extend,not only designs and produces the aiming device foracetabulum anterior column setting nails,but also deduces the relationship between the measurements of pre-operative pictures and the angles of drilling ringers of aiming device,and also compiles applied software for numeration.The study provides a dependable approach to advance the accura...
