A biomechanical evaluation of the sacroiliac anatomy type bar-plate internal fixation system.
- Author:
Qi ZHENG
1
;
Da-wei BI
;
Shi-yuan SHI
;
Jun FEI
;
Wei WEI
;
Gang ZU
;
Yi-fan WANG
;
Yi-jin WANG
Author Information
- Publication Type:Journal Article
- MeSH: Adult; Biomechanical Phenomena; Bone Plates; Fractures, Bone; physiopathology; surgery; Humans; Internal Fixators; Joint Dislocations; physiopathology; surgery; Middle Aged; Sacroiliac Joint; injuries; surgery
- From: China Journal of Orthopaedics and Traumatology 2008;21(8):577-580
- CountryChina
- Language:Chinese
-
Abstract:
OBJECTIVETo evaluate the biomechanical personality of the sacroiliac anatomy type Bar-plate system (SABP), which was of fixation usage to the fracture or dislocation of the sacroliliac joint.
METHODSTwenty fresh and freeze cadaver pelvises were prepared with pelvic fracture model,compared with different internal fixation systems such as Galveston technique, transiliac rod fixation, reconstruction plate and sacroiliac joint screws using experimental stress analysis methods,and then the stability of the pelvic was obtained and evaluated.
RESULTSUsing new SABP system to treat pelvic sacroiliac joint fracture and dislocation was higher 10%, 11%, 16%, 21% in the strength; more 12%, 14%, 21%, 31% in rigidity; less 13%, 14%, 22%, 25% in straining;less 10%, 12%, 16%, 20% in shifting than the Galveston technique, transiliac rod fixation, reconstruction plate and sacroiliac joint screws, with remarkable statistic difference (P < 0.05), and it was even better than cadaver pelvis.
CONCLUSIONTo treat pelvic facture, the fixation with new SABP system is of better strength, rigidity and stability, and the SABP system is an ideal new application.
