基于计算机断层扫描的部模板,用于非水泥肘部关节整形手术
Morgan R Kohls1, Emerald D Robertson1, Colin H Beckwitt1
1Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, PA, USA.
Hand (New York, N.Y.)
|November 10, 2023
概括
这项研究使用计算机断层扫描 (CT) 来测量内螺丝 (IM) 用于肘部关节整形中的远端腰部固定. CT模板准确预测螺丝尺寸,通过3D打印模型验证.
科学领域:
- 整形外科手术 整形外科手术
- 生物医学工程 生物医学工程
- 放射学 放射学是一门学科.
背景情况:
- 内螺丝固定对于新型非水泥肘关节整形术至关重要.
- 可变的部形态需要一系列的螺丝尺寸.
- 准确的IM螺丝尺寸对于成功的关节整形术结果至关重要.
研究的目的:
- 使用计算机断层扫描 (CT) 精确地在远端骨中进行内髓内螺丝 (IM) 尺寸测量.
- 通过将螺丝植入三维 (3D) 打印的腰部模型来验证基于CT的模板.
- 描述与IM螺丝固定对肘部关节整形手术相关的远端腰骨解剖学.
主要方法:
- 分析了30个部的CT扫描,以测量特定位置的远端IM通道直径.
- 螺丝尺寸是基于运河测量的模板.
- 评估了测量的interrater和intrarater可靠性.
- 为验证,IM螺丝被植入3D打印的腰部模型 (n=5) 中.
主要成果:
- 基于CT的模板设计成功地为所有患者确定了适当的IM螺丝长度和直径组合.
- 运河直径测量可靠,并且与患者年龄相关.
- 在3D模型中植入的螺丝证明了安全合适,验证了CT模板方法.
- 机械和放射证据证实了植入螺丝的安全合适.
结论:
- CT模板提供了一种可靠的方法来预测最优的IM螺丝大小,用于远端部固定.
- 使用3D打印模型的验证证实了基于CT的模板的准确性.
- 一个全面的IM螺丝长度和直径的范围对于这个新的肘部关节整形术至关重要.
- 这种方法增强了手术规划,并改善了非水泥肘关节整形手术的结果.
相关概念视频
01:07Electron Microscope Tomography and Single-particle Reconstruction
Transmission electron microscopy (TEM) can be used to determine the 3D structure of biological samples with the help of techniques such as electron microscope tomography and single-particle reconstruction. While single-particle reconstruction can examine macromolecules and macromolecular complexes in vitro conditions only, tomography permits the study of cell components or small cells in vivo.
Electron Tomography
Electron tomography can be performed either in TEM or STEM (scanning transmission...
Electron Tomography
Electron tomography can be performed either in TEM or STEM (scanning transmission...
01:10Computed Tomography
Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
01:19Bones of the Upper Limb: Humerus
The upper limb consists of the arm, forearm, wrist, and hand bones. The humerus is the single bone of the upper arm region. Proximally, it has a large, spherical, smooth head that articulates with the glenoid cavity of the scapula to form the glenohumeral or shoulder joint. The margin of the head is the anatomical neck, a residual epiphyseal plate. Laterally it extends to form bony projections called the greater tubercle and the lesser tubercle. Next to the tubercles is the surgical neck, a...