[Therapeutic effect of Isobar TTL fixation system on lumbar degenerative disease and discussion on postoperative fusion rate].

Objective: To evaluate the therapeutic effect of Isobar TTL dynamic internal fixation system on lumbar degenerative disease and to explore the postoperative fusion rate.

Methods: The clinical data of 80 patients with lumbar degenerative disease underwent Isobar TTL dynamic internal fixation system from April 2013 to January 2016 were retrospectively analyzed. There were 39 males and 41 females, aged from 28 to 69 years old with an average of 46.