3D打印技术是一种快速成型技术，通过重建的三维数字模型，将其分割成层状后逐层堆积成实体模型。近年来随着影像学、数字化医学和新材料技术的快速发展，3D打印技术在医学领域的应用范围越来越广泛，越来越受到人们的重视。总结了3D打印技术在医学领域的应用进展，分别就3D打印医学模型、3D打印医疗器材、3D打印用于组织功能产品、3D打印活体组织和器官（如：人造肝脏组织、人造肾脏组织、人造血管、人造耳朵和人造皮肤等）以及其他方面的应用等进行了评述，并介绍了3D打印技术在现代医学应用上的发展。最后根据3D打印技术的特点，提出应用展望，并分析未来的发展趋势。
Three?dimensional (3D) printing technology is a kind of rapid prototyping technology, through the reconstruction of 3D digital model, dividing them layer by layer and depositing into solid model. In recent years, with the rapid development of 3D printing technology, its applications in medical field are wider and wider and attract more and more attentions. With the development of medical imaging, digital medicine and new materials, 3D printing technique will have a wider range of applica?tions in medical field. This paper reviews the applications of 3D printing technology in the medical field, such as construction of medical model, medical equipments, the production of tissue and organ substitutes ( such as artificial liver tissue, artificial kidney tissue, artificial blood vessel, artificial ear, artificial skin and others) and others. According to the characteristics of 3D printing technology, we also propose its forecast, and analyze the development trend in the future.
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