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Various combinations of objective/subjective and qualitative/quantitative product evaluation methods were used. The most commonly used technology was fused deposition modeling with polylactic acid, but the overall preferred material was acrylonitrile butadiene styrene. Forty studies were identified pertaining to the fields of medicine, assistive technology, wearable technology, hand tools, testing devices and others. Included were studies reporting the use of AM specifically in ergonomic design of products/prototypes including the detailing of an ergonomic testing methodology used for evaluation. A literature search was performed using the keywords “3D print*,” “additive manufacturing,” “ergonomic*” and “human factors”. In this study, a systematic review was conducted of the literature regarding the use of AM in ergonomic-product design, and methodological aspects of the studies were analyzed. G.Additive Manufacturing (AM) facilitates product personalization and iterative design, which makes it an ideal technology for ergonomic product development. Preoperative Planning and Postoperative X-ray Pictures Planning of the cuts of the model and the orientation of the bone segments X-ray pictures with implants after the ensuded intervention Authors: MEng. Support material Polycarbonat / ABS-Blend, needed stabilisation of the model during the printing process, will be eroded afterwards with liquor. Both printing parts were assembled to model the hip and leg of patient.
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Slice thickness 0,253mm high porosity printing time 63 hours. 3D-printing of both model parts with scale 1:1 in plastic ABS-plus (Acrylnitril-Butadien-Styrol-Copolymerisat).
#Change scale in dimension catalystex software
Stratasys, USA with installation space of W x D x H 200 x 200 x 300 mm Rapid-Prototyping of Plastic with Scale 1:1 Printing Process Remove Support Material Assembly Processing of the STL-data with the 3D-printer software CatalystEX Version 4.2. 1 Segmentation and Preparation of CT-data with MIMICS Version 14.0 Splitting of the model because of the limited installation space of the 3D-Printer STL-1 STL-2 Entire model Part of the model CT-Examination Data Range of values Voltage 120 Current 142,5 Matrix size 512 x 512 Pixelsize 0,742 Increment 1,0 Thickness 2,0 Number of Slices 1019 CT-Machine Siemens Sensation 16 3D-Printer Modell Dimension Elite from Fa. Using this model, the necessary surgical cuts could be tested on the 3D model, especially for optimal alignment of the femoral shaft as planned and implemented. A 3D plastic model from below the knee up to and including the hip with half pelvis was produced. For the pre-operative planning of this difficult and complex procedure the following steps were done: the patient CT data was processed and segmented with an image processing software MIMICS version 14 and created a STL-file for the 3D printing process. The surgery was planned as a necessary intervention and needed to be simulated with a model before actual surgery. The injury was initially as a result of tuberculosis in 1946 – which subsequently caused a progressive valgus hip stiffened with impending fatigue fracture of the femur.
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Optimized Surgical-Planning with MIMICS and Rapid Prototyping Project Task A 68-year-old patient requires a surgical intervention due to a deformed hip joint and malformed femur (upper leg). Presentation on theme: "Laboratory for Design and Simulation"- Presentation transcript: