TY  - JOUR
PY  - 2015//
TI  - The application of porous tantalum cylinder to the repair of comminuted bone defects: a study of rabbit firearm injuries
JO  - International journal of clinical and experimental medicine
A1  - Ren, Bo
A1  - Zhai, Zhenbo
A1  - Guo, Kai
A1  - Liu, Yanpu
A1  - Hou, Weihuan
A1  - Zhu, Qingsheng
A1  - Zhu, Jinyu
SP  - 5055
EP  - 5064
VL  - 8
IS  - 4
N2  - The aim of this study is to investigate the effect of porous tantalum material in repair tibial defects caused by firearm injuries in a rabbit model. A multifunctional biological impact machine was used to establish a rabbit tibial defect model of firearm injury. Porous tantalum rods were processed into a hollow cylinder. Kirschner wires were used for intramedullary fixation. We compared the differences of the bone ingrowth of the porous tantalum material by gross observations, X-rays and histological evaluations. The radiographic observations revealed that fibrous tissue covered the material surface after 4 weeks, and periosteal reactions and new bone callus extending materials appeared after 8 weeks. After 16 weeks, the calluses of the firearm injury group were completely wrapped around a porous tantalum material. The group with the highest Lane-Sandhu X-rays cores was the firearm injury and tantalum implant group, and the blank control group exhibited the lowest scores. The histological evaluations revealed that the presence of new bone around the biomaterial had grown into the porous tantalum. By the 16th week, the areas of bone tissue of the firearm injury group was significant higher than that of non-firearm injury group (P<0.05). The comminuted fractures treated with tantalum cylinders exhibited greater bone ingrowth in the firearm injury group. In conditions of firearm injuries, the porous tantalum biomaterial exhibited bone ingrowth that was beneficial to the treatment of bone defects.<p />  <p>Language: en</p>
LA  - en
SN  - 1940-5901
UR  - http://dx.doi.org/
ID  - ref1
ER  -