Biomechanical study of calcium phoshphate cement in fixating distal radial fractures
- VernacularTitle:磷酸钙水泥填充固定桡骨远端骨折的生物力学研究
- Author:
Jun MIAO
;
Jifang WANG
;
Aiyuan WANG
;
Cheng ZHAO
;
Shibi LU
- Publication Type:Journal Article
- Keywords:
Radial fractures;
Biomechanics;
Calcium phosphate cement
- From:
Chinese Journal of Trauma
1990;0(04):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To study the biomechanical strength of calcium phoshphate cement (CPC) in fixating distal radial fractures. Methods A total of 18 human distal radius fracture models were made and randomly divided into three groups: fixed with Kirschner wire (Kirschner group), CPC (CPC group) or CPC combined with Kirschner wire (combination group). Compression test was performed to measure compression rigidity and rotational angle of distal fragment at 100 N and anticompression strength and maximum compression strength at 2 mm displacement. Results Compression rigidity, distal fragment rotation angle in coronal or sagittal plate had no significant statistical difference at 100 N of compression in three groups. Compression strength at 2 mm displacement in CPC group (average 375 N) and combination group (average 386 N) exceeded that in Kirschner group (average 116 N), with significantly statistical difference (P
