RESUMO
<p><b>OBJECTIVE</b>To approach the clinical curative effect of treatment of the disease of vertebral column by the arc-track private lock pedicle orthopedics fixation system (ALPF II).</p><p><b>METHODS</b>Eighty-six cases were treated by useing ALPF II. The average age of the cases was 36.8 years (range from 18 to 69 years),the male was 39 cases and the female was 37 cases. The results were evaluated and all the cases were followed-up.</p><p><b>RESULTS</b>All the patients were followed-up for 9 to 30 months. The amelioration of patients nerve function,spinal motion, low back pain and leg pain was 94.1%, 65.9%, 92.1% and 87.4% respectively. The height of anterior and posterior border after operation were improved greatly than that before operation (P < 0.01, P < 0.05). The X-ray films showed that the angle of kyphosis was also improved significantly (P < 0.01).</p><p><b>CONCLUSION</b>To treat spinal column disease, ALPF II is a kind of operation safety simple, easy control, reset good, curative effect credibility, the complications little of treatment method.</p>