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Article in Chinese | WPRIM | ID: wpr-879401

ABSTRACT

OBJECTIVE@#To establish a three-dimensional finite element model of osteoporosis and to study the stiffness recovery of injured vertebrae and stress analysis of adjacent vertebrae after percutaneous vertebroplasty under different perfusion and distribution conditions by simulating fluid flow into the vertebral body.@*METHODS@#A male healthy volunteer was selected. CT scans were performed from T@*RESULTS@#(1) The VonMises stress of T@*CONCLUSION@#Reliable biomechanical model of lumbar vertebral fracture can be established by using CT scanning data through software simulation. Vertebral fracture and vertebroplasty will cause biomechanical changes of adjacent vertebral bodies. With the increase of bone cement injection, the influence of biomechanical changes will increase significantly. Neighbouring vertebral fractures are more likely. For this experiment, percutaneous vertebroplasty has a suitable amount of cement injection of 4 ml.


Subject(s)
Biomechanical Phenomena , Bone Cements , Finite Element Analysis , Fractures, Compression/surgery , Humans , Lumbar Vertebrae/surgery , Male , Osteoporotic Fractures/surgery , Spinal Fractures/surgery , Vertebroplasty
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