Understanding, controlling and manipulation of patient data as well as shape, geometry and structure of the biomedical objects are important for developing Biomedical Engineering (BME) applications. Medical Reverse Engineering (MRE) is aimed to use the Reverse Engineering (RE) technology to reconstruct 3D models of the anatomical structures and biomedical objects for design and manufacturing of medical products as well as BME research and development. This paper presents the state of the art applications and methods about MRE. Different concepts and methodologies are provided to understand fundamentally the MRE processes and workflow. The key MRE applications are presented, including personalised implants for bone reconstruction, dental implants and simulations, surgical tools, medical training, vision science and optometry, orthopedics, ergonomics, orthosis, prosthesis, and tissue engineering. The current challenges as well as the hardware and software for MRE application developme.
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Medical and Biological Sciences
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Journal of Medical Engineering & Technology
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The paper gives a description of the Reverse Engineering technology application procedure for the creation of 3D CAD model of femoral component of total knee endoprothesis based on available meltable wax model for investment casting. Once CAD data record is accepted it presents an information management center for its geometry throughout the lifetime of the knee implant component. Thus, in the case a change in the component construction should be made, it can be managed quickly and consistently made available for all CAx-tools which accompany the product development. The procedure is defined within the work conducted in the international IPA crossborder cooperation project Romania-Republic of Serbia where the Reverse Engineering technologies and Additive Manufacturing (AM) are studied.
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Reconstruction of the mandible is one of the most common challenges facing maxillofacial surgeons. The mandible plays a major role in supporting the teeth inside the mouth. This work aims to develop a proposed methodology for improving reconstructive surgery by using the simulation of a mandibular defect using imaging, design, and fabrication techniques for a custom mandible. The combination of these technologies provides a powerful way to improve and implement the implant process through the design and fabrication of medical models. This work introduces a methodology that the capabilities of Reverse Engineering (RE), Computer-Aided Design (CAD), and Rapid Prototyping Technology (RP) for the reconstruction of the mandible and representing the surgery. Patient examination using a high-resolution technique represented by Cone-beam computed tomography (CBCT), after which a representative digital model of the patient is created to assist in the design process using the 3DSlicer software.
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Journal of Medical Engineering & Technology
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CIRP Annals - Manufacturing Technology
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Additive Manufacturing (AM) is growing rapidly day by day. In AM sector, medical is one of the fastest growing industry. In the initial days the patient anatomy was analyzed using X-rays where only the 2-Dimensional (2D) representation is made. Later the improvements resulted in the 3D image acquisition with the help of Computed Tomography (CT) scanners, where the data is stored in Digital imaging and communication in medicine (DICOM) images. These DICOM images were used as the source for medical software's to from 3D CAD data. This 3D data is used for virtual simulation and for planning in case of some surgeries. The latest advancement in this is the creation of patient specific physical models. These models contain almost exact replication of the patient anatomy. The surgeon can pre plan the surgery in advance and explore important information before operating the patient's body. In the current work the procedure, advantages and limitations of the medical models along with the case study were discussed.
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