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OBJECTIVE To compare the stability provided by a allogeneic tendon with a screw for the treatment of ligamentous Lisfranc injury. METHODS Six fresh-frozen, paired cadaveric feet were loaded in the condition of Lisfranc ligament-intact, injury and fixation models. With axial or abduction stress, the distance between medial cuneiform and second metatarsal(More)
OBJECTIVE Based on establishment three-dimensional finite element models with the different defects of proximal femur, analysis of the local stress and strain changes under normal walking condition, speculate the probable rang of fracture and provide a theoretical basis for clinical work. METHODS By CT scanning the whole femur, establish Three-dimensional(More)
OBJECTIVE To compare the stability, strength of Letenneur type I Hoffa fractures fixed by Acutrak headless compression screws and AO cannulated lag screws. METHODS 12 models of Letenneur type I Hoffa fractures were randomly divided into 4 groups, which were fixed with two AO cannulated lag screws or Acutrak headless compression screws anteroposteriorly or(More)
OBJECTIVE Lisfranc joint injury is a rare injury and can be easily missed at the initial treatment. Once ignored, late reduction is very difficult and requires extensive dissection. Surgical outcome is not as good as in the case of an early reduction. The aim of this cohort study was to analyze the midterm clinical and radiographic outcomes of staged(More)
In this paper, through the study of the characteristic rule of rolling massage experts' forearm surface EMG signal (sEMG) in rolling massage, the rolling massage analysis and evaluation methods based on the analysis of sEMG is presented. Therefore, during the implementation of rolling massage, muscle semg signals of the massage's three block muscle was(More)
OBJECTIVE To compare the stress distribution of normal pelvis with those of postoperative contralateral pelvic and modular hemipelvic prosthesis under different positions, with an aim to providing biomechanical evidence support for safe reconstruction of pelvic ring using modular hemipelvic prosthesis. METHODS Three-dimensional finite element models of(More)
A simple, repeatable approach is proposed to fabricate large-area, uniform periodic surface structures by a femtosecond laser. 20 nm gold films are coated on semiconductor surfaces on which large-area, uniform structures are fabricated. In the case study of silicon, cross-links and broken structures of laser induced periodic surface structures (LIPSSs) are(More)
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