Cost of rapid manufacture of foot orthotics

NewsBot · Mar 8, 2014

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RAPID MANUFACTURING TECHNIQUE FOR FABRICATION OF CUSTOM-MADE FOOT ORTHOSES
M S Jumani, Shakil Shaikh and Sadiq A Shah
Sci.Int(Lahore),26(1),217-222,2014

Rapid manufacturing (RM) refers to fabrication of parts directly from CAD information
through layer by layer addition of material until completion of final parts. The techniques include
different fabrication processes from extrusion, binding, fusing, sintering and other methods of material
deposition. Recently, application of these techniques for direct fabrication of parts has increased in
different manufacturing sectors. However, there is a significant gap in literature for economic analysis of
rapid manufacturing techniques versus conventional fabrication techniques when it comes to production
of final product. In medical sector foot orthosis is medical device prescribed for improving foot function
and gait in foot related diseases and problems. This paper introduces application of rapid manufacturing
technique using polyjet technique for fabrication of foot orthoses. The cost and lead-time models
developed gave the cost of £187.44 per pair using polyjet technique in comparison to present market cost
of £150 to £200 per pair. The cost benefit analysis showed that total per pair cost of orthoses produced
through polyjet technique is competitive with per pair cost of foot orthoses produced through traditional
fabrication techniques.
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