The Spectral Element Method for Elastic Wave Simulation in a Formation with a Topographic Traction Free Surface; first-order surface multiples 谱元法模拟起伏自由表面地层中的弹性波传播
Intermaxillary elastic traction and intermaxillary fixation were performed to treat the malocclusion. By this way, 10 cases were cured. 1 case received occlusal adjustment, 1 case underwent another operation to resume the normal occlusion. 经颌间弹力牵引固定,10例患者恢复咬合关系,1例再次手术,1例经调牙合恢复咬合关系。
Methods In this data, 123 cases who experienced intermaxillary elastic traction after orthognathic surgery were included. 方法临床选择123例正颌外科手术后行颌间牵引的患者。
Methods 22 cases of mandibular fracture were treated simple intermaxillary elastic traction, and other 138 case underwent internal fixation ( including 46 cases of poor maxillary occlusal relation going through intermaxillary elastic traction simultaneously). 方法160例下颌骨骨折患者,22例行单纯颌间弹性牵引治疗,138例行内固定术(其中46例术后咬牙合关系恢复不良者行颌间弹性牵引治疗)。
A skin-stretching device that is designed to harness the elastic properties of the skin using incremental traction is presented. 皮肤伸展器是利用皮肤弹性,采用持续增量牵引设计而成。
Clinical application of self-made U-shaped elastic traction frame 自制U形弹力牵引架的临床应用
Craniomandibular Elastic Traction in Reduction of Maxilla Fracture 上颌骨骨折颅颌弹性牵引复位固定治疗体会
The rolling contact theory of three-dimensional elastic bodies with non-Hertz form is utilized to determine the normal pressure and tangential traction on the contact surface of wheels and rails in rolling contact. 根据确定的轮轨接触几何参数和轮轨接触界面之间的蠕滑率,利用非Hertz滚动接触理论分析计算了锥型轮对和钢轨滚动接触斑作用力的分布。
Nursing of intermaxillary elastic traction after orthognathic surgery 正颌患者术后颌间牵引的护理
Conclusion Labial inclination of incisors can be effectively prevented with use of elastic traction and bend back of arch wire. 结论平直弓丝矫治技术排齐阶段使用弹性链状圈远中移动尖牙配合弓丝末端回弯,可有效预防切牙唇倾,加快排齐的速度。
Short-term elastic intermaxillary traction was used when necessary. 术中严格按照操作规程弯制夹板并固定,术后必要时辅以短期颌间弹性牵引。
Based on the TJ elastic/ plastic model, the traction forces of this oil were computed. 基于TJ弹塑性流变模型对该油的拖动力进行了计算。
Application of clinical path in congenital dislocation of hip patients treated with elastic screw traction orthosis 临床路径在弹力螺旋牵引支具治疗先天性髋关节脱位患儿中的应用
Conclusion: Craniomandibular elastic traction with internal wiring fixation is an effective method in the reduction of various types of maxilla fracture. 结论:颅颌弹性牵引复位固定法适应多种类型上颌骨骨折;术后瘢痕不明显;
New techniques are applied on the central suspension device, such as the outside suspended elastic long hanger rod, cross oil damper, free film type air spring, rolling resistant torsional bar, fully side bearing loaded structure and elastic center pin traction device. 中央悬挂装置采用外侧悬挂弹性长吊杆、横向油压减振器、自由膜式空气弹簧、抗侧滚扭杆装置、全旁承支重结构及弹性中心销牵引装置等新技术。
One patient was treated by 2-week elastic traction with wire and then by manipulative reduction. 局麻下复位2例,全麻下复位2例,下颌角钢丝弹力牵引2周后手法复位1例。
Treatment of Phalangeal Fracture with Elastic Traction 指骨骨折的弹力牵引治疗
Materials and Methods: 24 cases with various maxillofacial deformities were treated with Class ⅰ, ⅱ or ⅲ intermaxillary elastic traction after the orthognathic surgery. 方法:24例各类牙颌面畸形患者正颌术后进行了安氏、、类牵引。
Methods 12 cases of severed fractures of tibia and fibula were treated by using U shaped elastic traction frames made of steel plate and spring coil. 方法采用条形钢板和弹簧等材料制成的U形牵引架,治疗12例难处理的胫腓骨骨折。
Objective: A modification of the traditional arch wire splint craniomandibular elastic traction in maxilla fracture reduction, observation the effectiveness. 目的:将传统口内牙弓夹板石膏帽固定法加以改进,治疗上颌骨骨折。
Intermaxillary elastic traction is recommended to lower down the condyle for facilitating reduction of old TMJAD. 对陈旧性关节前脱位推荐以颌间弹力牵引降低髁突的方法。
Internal forces of elastic structures are calculated by using three-node quadratic boundary element method in which displacement and traction at elastic structures 'boundary are more accurately depicted. 采用更精确地反映弹性结构边界上的面力分量和位移分量的三结点二次边界单元法求解弹性结构在边界上的位移和面力。
The stability problem of the excavation face on the layered rocks is abstracted to the interfaces stability problem of the compressible transversely isotropic elastic half-space which is subjected to an impulsive line of traction on its otherwise free surface. 本文将层状岩石的开挖面稳定性问题抽象成受脉冲载荷的有预应力可压缩的横观各向同性半空间的界面稳定性问题,得出了该问题的控制方程。
Kirschner wire was penetrated bilateral maxillary bones as force-borne device and a elastic traction of 800g was exerted on them for 20 days. 实验组安置头颅外固定支架,克氏针贯穿双侧上颌骨前部作为承力装置,采用800g力弹性牵引20天。