alexa Design And Fabrication Of A Novel Meniscal Prosthesis
ISSN: 2155-952X

Journal of Biotechnology & Biomaterials
Open Access

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2nd Annual Conference and Expo on BIOMATERIALS
March 27-28, 2017 Madrid, Spain

Inyang A O and Vaughan C L
University of Cape Town, South Africa
Posters & Accepted Abstracts: J Biotechnol Biomater
DOI: 10.4172/2155-952X.C1.074
Statement of the Problem: The motivation for the design of the novel meniscal implant was based on the collagen fibre orientation in the native meniscus, which is the dominant component of the native meniscus. The architecture of the meniscus is such that the collagen fibre bundles wound circumferentially, and are responsible for the complex multifaceted load bearing nature; while a small number of radially orientated collagen fibres function like a fastener for the circumferential fibres, providing support and preventing them from splitting under loading conditions. Polymeric composite biomaterials are both anisotropic and heterogeneous which are the properties of the natural meniscus. A combination of the circumferential and radial reinforced fibres in a matrix is therefore anticipated to produce an enhanced final outcome. The development and fabrication of such an artificial composite structure with both circumferential and radial oriented fibres is complicated and is therefore a challenge. Materials & Methods: Bionate PCU 80A and 90A pellets, and Dyneema Purity® UG fibres. The prostheses were fabricated in a twostage injection moulding process. A mini bench-top injection moulding machine was designed and fabricated for this purpose. Findings: With some moulding challenges overcome, the process proved to be a successful means of producing the meniscal composite prostheses with reinforcement fibres orientated both circumferentially and radially in the PCU matrix. Conclusion: A manually operated injection moulding machine has been designed and fabricated for manufacturing the prostheses. Having overcome the limitations of the manual equipment, it could be said that the method if revised and automated could be a feasible means by which the prostheses can be produced for clinical applications.


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