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Stereolithography (medicine)
Stereolithographic models have been used in medicine since the 1990s, for creating 3D corporeal models of various anatomical regions of a patient, based on datasets from CT-scans.
== Usage ==
* Stereolithography is a Rapid prototyping process that creates solid physical models directly from computer data. In industry this data comes from 3D computer-aided design (CAD) data. The process can also be used to build highly accurate replicas of human (or animal) anatomy by using computer images from medical scanners. Typically Computed tomography (CT) is used but Magnetic Resonance Imaging (MRI) can also be used. Models have also been made from Ultra Sound and more recently from lower cost Cone Beam CT scanners. Medical models can also be made using a range of other Rapid Prototyping processes although stereolithography remains popular.
* Medical models are used in medicine and surgery to provide surgeons with a better appreciation of the anatomical situation of a patient, before surgery. Although the advent of improved 3D computer reconstruction and virtual surgical planning means that in some cases models are not needed they remain popular for complex surgeries particularly in cranial surgery, maxillofacial surgery, oral surgery and neurosurgery.
* Stereolithographic models are used as an aid to diagnosis, preoperative planning and implant design and manufacture. This might involve for example planning and rehearsing osteotomies. Surgeons use models to help plan surgeries but prosthetists and technologists also use models as an aid to the design and manufacture of custom-fitting implants. Medical models are frequently used to help in the construction of Cranioplasty plates for example.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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