Purpose: To carry on an improvement design to the Plate-Rod Spinal System (PRSS), develop PRSS lengthener, resolve the problem of the titanium stick reserve length can t satisfy demand of the spinal column growth which appears in the PRSS clinical application.
Objective: To evaluate the spinal growth modulation of long-level Staples by contrasting the correction of dual-level versus single-level shape memory alloy Staples in an immature goat model and then observing their histological changes, provide experimental data for the clinical application of Staples in the correction of scoliosis.