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Title: Diamond-like carbon coating of alternative metal alloys for medical and surgical applications
Authors: Jones, BJ
Mahendran, A
Anson, AW
Reynolds, AJ
Bulpett, R
Franks, J
Keywords: Carbon;Thin carbon films;DLC;Amorphous carbon;Medical devices;Surgical instruments;Diffusion barrier;Impact resistance;Laparoscopy;Diamond-like carbon
Issue Date: 2010
Publisher: Elsevier
Citation: Diamond and Related Materials. 19(7-9): 685-689
Abstract: The effectiveness of a plasma-deposited, diamond-like carbon (DLC) coating on aluminium alloy based surgical instruments is investigated. Surgical instruments must satisfy a number of important criteria including biocompatibility, functional performance, sterility and cleanability, structural integrity, and fatigue resistance. The integrity of the DLC layer and the diffusion barrier properties are of paramount importance due to biocompatibility considerations of the underlying aluminium metal. We investigate optimisation of the coating with incorporation of silicon and variation in negative self bias, and highlight the design and manufacture of a lightweight laparoscopic assist instrument from aluminium alloy coated with diamond-like carbon, which has been used successfully in the clinical environment to improve operations such as cholecystectomy (gall bladder removal) and exploratory techniques for the diagnosis of cancer.
ISSN: 0925-9635
Appears in Collections:Materials Engineering
The Experimental Techniques Centre

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