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首页> 外文期刊>Journal of Mechanical Science and Technology >Development of a 3D breast shape generation and deformation system for breast implant fabrication
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Development of a 3D breast shape generation and deformation system for breast implant fabrication

机译：乳房植入制造的3D乳房形态生成和变形系统的发展

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摘要

The early detection rate of breast cancer and its relative survival rate are persistently increasing, thanks to an active approach to breast cancer exams and enhancement of clinical treatment capabilities. In this new environment, quality-of-life breast reconstructive surgery for those who have undergone a mastectomy for breast cancer treatment has become ever-more attractive. However, there is a problem that occurs, where post-reconstruction breast shapes differ from those before mastectomy. This is caused by insufficient geometric information for the breasts to be reconstructed. Therefore, patients not only go on to suffer inconvenience in daily life, but they also experience a loss of psychological self-esteem owing to an asymmetrical body. In this study, we generate three-dimensional (3D) breast shapes by extracting geometric information from fat and fibro-glandular breast tissues from a series of magnetic resonance imaging images, which are acquired during pre-mastectomy examinations. We then apply a Neo-Hookean material model, which is a hyper-elastic material property model being considered for natural breast-shape deformability. We then use finite element analysis to model the 3D breast by accounting for its deformation characteristics, finally proposing a method to transform the model breast into a shape indicative of a natural, standing posture.
机译：由于乳腺癌考试的积极方法和临床治疗能力的增强，乳腺癌的早期检测率及其相对存活率持续增加。在这种新环境中，为乳腺癌治疗经过乳房切除术的人来说，生活质量乳房重建手术已经变得更有吸引力。然而，存在发生的问题，其中重建后乳房形状与乳房切除术前的重建不同。这是由要重建的乳房的几何信息不足引起的。因此，患者不仅继续在日常生活中遭受不便，但由于不对称的身体，他们也经历了心理自我尊重的损失。在这项研究中，我们通过从一系列磁共振成像图像中提取来自脂肪和纤维腺乳腺组织的几何信息来产生三维（3D）乳房形状，这在预切除检查期间获得的磁共振成像图像。然后，我们应用一个新妓女的材料模型，该材料模型是一种被认为是用于自然乳房形状可变形性的超弹性材料。然后，我们使用有限元分析来通过占其变形特性来模拟3D乳房，最后提出将模型乳房转化为指示自然的姿势的形状的方法。

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