60 cases of fractures of the femoral shaft were treated at the department of orthpaedic surgry, Pusan National Uriversity Hospital from Junuary, 1967 to August, 1970.
The results were as follows;
1) The age group between 20 and 40 years occupied 51.6% in this series, and preponderance of male to female (3:1) was noted.
2) There were 39 cases (65%) being traffic accident, 20 being industrial injury and 1 case (1. 7%) being other cause.
3) 30 cases involved the middle´ one third, 20 cases the lower one third and 10 cases the upper one third of femur shaft.
25 cases (41.6%) were on the left side and 32 cases (53.3%) were on the right side.
4) there were 35 cases of transverse, 25 cases of oblique and 10 cases (16. 6%) of communited fractures, and 50 cases (83.3%) of closed fractures.
5) By using the adequate size intra-medullary nail, the complications, which could be resulted by the using the inadequate intra-medullary nail, could be prevented.
6) By using of the heavy intra-medullary nail, the rotation of the nail, could be prevented and so, the knee joint stiffness could be prevented so as to encourage early exercise.
7) By using the heavy intra-medullary nail, the duration of hospitalization could be shortened and the financial burden could be decreased.
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