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Application of additive manufacturing technology for manufacturing medical implants: A Review
Published in IAEME
2015
Volume: 6.0
   
Issue: 4.0
Pages: 45.0 - 55.0
Abstract
With the advancement of technology every field of work is becoming more and more inter-related and inter-dependant. So the fields of CAD/CAM and healthcare are no exception to this. As itis said that human body is a machine, with every passing day, its wear and tear takes place and alsodue to some trauma/accidents it is necessary to have certain bones/limbs to be replaced, or there canbe birth defects. A large number and variety of medical implants, prostheses, and surgicalinstruments are required to reconstruct or correct lost, damaged, deformed, and degenerated limbs,tissues and teeth. So CAD/CAM can be effectively used for the above purpose in the field ofOrthopedics (medical field dealing with bones, limbs etc), dentistry. Orthodontic and maxillofacialimplants, as well as distraction osteogenesis devices are used for correcting facial and oraldeformities. The range of implants extends to auricular, ocular, cardiovascular, spinal, pelvic, andvarious joints: shoulder, elbow, wrist, hip, knee, and ankle. In India, the number of knee and hipreplacements alone is estimated to be around 40,000 per year, most of them using imported implants.The number is nearly doubling every year, owing to better awareness and increasing affordability.Implants and instruments need to be developed considering the target population of patients and theconsulting surgeons. The implants may be standard (suitable for a large population), modular (toprovide intra-operative flexibility), or customized (patient-specific). Anatomical measurements ofthe target group or individual are carried out establish the geometric requirements. Now with thehelp of new CAD/CAM technology it is very easier to model and manufacture the implants to veryaccurate shape, size & dimensions according to patient’s requirements. This paper explores the scopeof additive manufacturing technology for manufacturing implants, work progress going on in thisfield, challenges, future scope.
About the journal
JournalInternational Journal of Mechanical Engineering and Technology (IJMET)
PublisherIAEME
Open Access0