PMID: 22577726May 15, 2012Paper

Design and clinical application of new type two-head automatic pressure external fixation (TAPEF)

Zhongguo gu shang = China journal of orthopaedics and traumatology
Yu-xing QinLin-zhong Jiang

Abstract

To design a new type two-head automatic pressure external fixator and explore its clinical effects in treating intertrochanteric fracture of the femur. Base on unilateral angulated external fixator and Ilizarov techiques, a new type two-head automatic pressure external fixator were designed and made. From October 2006 to December 2010, 120 patients with intertrochanteric fracture of the femur were treated with the new type two-head automatic pressure external fixator. There were 67 males and 53 females with an average age of 76.7 years (ranged, 60 to 93 years). According to Evans classification, type I was in 65 cases, type II in 41, type III a in 10, type III b in 2 and type IV in 2. Operative time was from 0 to 11 days after injury with an average 5 days. Postoperative functional recovery was evaluated according to criteria of Sanders. Among 120 patients, 116 cases were followed up with an average of 12 months (ranged, 2 to 24 months). All fractures obtained healing with average healing time of 12 weeks (ranged, 10 to 13 weeks). Five cases occurred with superficial infection of pin site and no deep infection,non-union, coxa adducta were found. Joint function of hip recovered well. According to Sanders scoring, pain, walking, ...Continue Reading

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