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OBJECTIVE To evaluate the clinical significance of individualized reference model of sagittal curves by three-dimensional (3D) printing technique and computer-aided navigation system for lumbar spondylolisthesis. METHODS Between February 2011 and October 2012, 66 patients with lumbar spondylolisthesis underwent posterior lumbar interbody fusion (PLIF) by(More)
OBJECTIVE To investigate the reconstruction mode selection of acetabular bone defect and the effect on the acetabular cup position in cementless total hip arthroplasty (THA). METHODS A retrospective analysis was made on the clinical data of 78 patients (78 hips) with acetabular bone defect according to the selection criteria who underwent THA between(More)
OBJECTIVE To investigate the application value of acetabular centralization technology for correction of leg-length inequality in total hip arthroplasty (THA). METHODS Between June 2001 and January 2012, 147 cases of abnormal acetabular center were treated. Of them, 68 cases underwent routine THA (control group), and 79 cases underwent acetabular(More)
OBJECTIVE To investigate the accuracy of the two-dimension computer-aided surgery navigation system in the lumbar pedicle screw fixation on recombinant CT section after operation. METHODS Between February 2011 and April 2013, 218 patients undergoing lumbar spinal pedicle screw fixation were divided into 2 groups: two-dimension computer-aided surgery(More)
OBJECTIVE To investigate the security of pedicle screw fixation in fractured vertebra in treatment of thoracolumbar fractures by comparing with routine fixation cross fractured vertebra. METHODS A total of 101 cases of single segmental thoracolumbar fracture were selected between June 2008 and June 2011. Of them, 56 cases underwent pedicle screw fixation(More)
OBJECTIVE To compare the clinical results of locking compress plate (LCP) as an external fixator and standard external fixator for treatment of tibial open fractures. METHODS Between May 2009 and June 2012, 59 patients with tibial open fractures were treated with LCP as an external fixator in 36 patients (group A), and with standard external fixator in 23(More)
OBJECTIVE To evaluate the clinical significance of individualized reference model of sagittal curves and navigation templates of pedicle screw by three-dimensional printing technique for thoracolumbar fracture with dislocation. METHODS Between February 2011 and November 2013, 42 patients with thoracolumbar fracture and dislocation undergoing pedicle screw(More)
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