무릎은 다치지 않았기 때문에, 대퇴골 원위부에 끼우는 나사를 끼워서 생긴 단순한 자극 때문인 것으로 추정되었다.
Since the knee was not injured, it was presumed that it was due to a simple irritation caused by the interlocking screw inserted into the distal femur for antegrade nailing.