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Design and Manufacturing of Implant by CNC milling

Design and Manufacturing of Implant by CNC milling

Le, Chi, Erik, Bohez, Jos, Vander Sloten, Huynh, Ngoc Phien, Esichaikul, Vatcharaporn and Pham, Hoa Binh (2002) Design and Manufacturing of Implant by CNC milling. Technology and Health Care, 8 (1). ISSN 0928-7329 (Print), 1878-7401 (Online)

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Abstract

Although various techniques and materials have been used for making cranioplasty implants, personalized cranioplasty implants are high in cost because of expensive materials and production technology, long design and manufacturing time, and intensive labor use. This research was a part of our research project in ASEAN countries to investigate feasible technical solutions of minimizing the implant cost based on available production technologies in the region. The use of 3-axis CNC (Computer Numerical Control) milling techniques for making molds to fabricate PMMA implants was successfully investigated. With the development of a design support program bridging between Computer Aided Design (CAD) and Medical Image Processing (MIP) system, the time for geometrical modeling of implants and molds was reduced to half a day. The machining time to complete a mold was about 5 to 6 hours; and it took maximal 2 hours to fabricate an implant with self-curing PMMA and 3 and half hours for fabricating an implant with heat-curing PMMA. The cost of implants is acceptable for the ASEAN region.

Item Type: Article
Uncontrolled Keywords: Cranioplasty, Implant, CAD/CAM
Pre-2014 Departments: School of Engineering
Last Modified: 15 Oct 2016 15:35
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/11727

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