1. Nailing the first 2mm kirschner wire near the calcaneus joint, nailing the second kirschner wire 1cm superior to the condylar joint, the distance between two K-wire should be the shortest distance of one fixator to prepare distract, nailing the third K-wire on the tarsus, the distance should be the longest of one fixator to prepare lengthening. 2. Easy operating, stably fix. 3. Posterior type with two kirschner wire, minimally invasive, but revent supine rest. |