The biomechanical study and clinical application of an improved tension band wire for the treatment of supracondylar fractures of the humerus
- VernacularTitle:改良张力带钢丝治疗肱骨髁上骨折的生物力学研究及其临床应用
- Author:
Yong YANG
;
Jianhua WANG
;
Bin SHAO
- Publication Type:Journal Article
- Keywords:
Humerus;
Fracture fixation, internal;
Biomechanics
- From:
Chinese Journal of Orthopaedics
2001;0(01):-
- CountryChina
- Language:Chinese
-
Abstract:
0.1), the results suggested that the stiffness of resistant torque of ITBW was similar to that of CW. In the bending test, in order to give rise to the fragmental displacement of 2.30? induced by bending load, the bending force of 3.3Nm was needed in ITBW fixation, and was 1.9 Nm greater than CW fixation, so stiffness resistant to bending of ITBW was 2.3 times of that of CW. The patients were followed up from 6 to 78 months, with an average of 38 months. There were no complications of nerve and vessels injury, infection and wire or nails loosening. Varus elbow happened in 2 cases, the mean varus angel was less than 5?. 2 cases and All the cases treated with ITBW healed uneventfully with good functions, there were excellent 32 cases and good 12 cases according to the Flynn evaluation system. Conclusion The fixation effect of ITBW is much better than that of CW. The stability provided by ITBW makes external fixation unnecessary and allows for early mobilization of the elbow. The ITBW technique is in satisfactory agreement with biomechanical principle. It is valuable for widely clinical application.
