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- Study Design. This is a diagnostic study in which cadaers were ealuated by imaging and dissection after pedicle screw placement. 研究设计：诊断学研究，在尸体上打入椎弓根螺钉后，利用影像学和解剖切开进行评估。
- Cannulation allows the use of a guidewire, which gives better control over screw placement. 空心螺钉可以使用导针，后者可以更好地控制螺钉的位置。
- Study Design. This is a diagnostic study in which cadavers were evaluated by imaging and dissection after pedicle screw placement. 研究设计：诊断学研究，在尸体上打入椎弓根螺钉后，利用影像学和解剖切开进行评估。
- Summary of Background Data.Safety concerns have driven specific interests in the accuracy and precision of pedicle screw placement. 背景资料概述：由于安全性的关系，使得人们对椎弓根螺钉置钉的准确性和精确度有着特殊的兴趣。
- For thoracic screw placement, a mini-laminotomy technique was used, inserting a spatula inside the ertebral canal to palpate the borders of the pedicle. 在胸椎椎弓根螺钉置入中，应用了小的椎板切开技术，通过刮勺在椎管中探查椎弓根边缘。
- Press-fit components avoid the need for screw placement, which carries the added risks of neurovascular injury and fretting wear between screw and shell. 假体压配式固定避免了螺钉的使用，因为其会导致血管神经损伤以及螺钉和臼杯磨损的风险。
- Computer navigation provides real-time multiplanar images of the vertebral anatomy, and has been used extensively to increase the accuracy of pedicle screw placement. 计算机导航技术提供了脊柱解剖的实时多维影像，并广泛应用于增加椎弓根螺钉位置的准确性。
- Summary of Background Data. Pedicle screw placement through an amorphous posterolateral fusion mass intuitiely carries a higher risk of pedicle wall iolation. 背景：在脊柱后外侧融合的时候凭直觉植入椎弓根螺钉容易造成螺钉侵范椎弓根壁。
- For thoracic screw placement, a mini-laminotomy technique was used, inserting a spatula inside the vertebral canal to palpate the borders of the pedicle. 在胸椎椎弓根螺钉置入中，应用了小的椎板切开技术，通过刮勺在椎管中探查椎弓根边缘。
- Weinstein J N,Sprett K F,Spengler D,et al .Spinalp pedlicle Fixation;reliability and surgical factors on sucessful screw placement[J].Spine,1988,13:1012. 吴福春;蒋建清;林权德.;椎根弓内固定治疗胸腰椎骨折复位方式与效果[J]
- These risks include possible neurologic injury, major vascular injury, violation of the pleura, and increased radiation exposure during screw placement. 这些危险包括可能的神经损伤，主要血管损伤，损伤胸膜，增加螺钉植入过程中射线的暴露。
- Objective: To study morphologic features of canine thoracic and lumbar vertebrae and measure the parameters of pedicle screw placement for animal experiment and surgery. 摘要目的：测量幼年中国杂交犬的脊柱形态学指标及椎弓根螺钉置入的相关参数，为动物实验及动物外科提供数据。
- Conclusion: Bicortical screw placement may provide a biomechanically superior construct than unicortical screw placement for the stabilization of unstable proximal tibia fractures. 结论:对胫骨近端不稳定型骨折的治疗而言;双皮质螺钉或许可提供比单皮质螺钉更有优势的生物力学固定效果.
- Rotational displacement of scaphoid fractures during screw implantation can be prevented by the placement of a second eccentric Kirschner wire before scaphoid drilling and screw placement. 在舟状骨扩孔和螺钉植入前放置一根偏心克氏针可以避免螺钉植入氏骨折旋转移位。
- I can't get this screw to come out of the wall. 我无法把这颗螺丝钉从墙上取出。
- The brackets want an extra screw. 托架需要再加一个螺钉。
- The taste of the lemon made her screw up her face. 柠檬把她酸得龇牙咧嘴。
- Does this lid screw on, or does one press it down? 这个盖子是拧的还是按的?
- Turn the screw to the right to tighten it. 将螺钉向右旋紧。
- They tried to screw money out of me. 他们试图勒索我的钱。
