• J Neurointerv Surg · Aug 2016

    Physical characteristics of catheters used for subarachnoid drainage.

    • A Ian Wong, Shengqiang Gao, Mark D Bain, Brian Fitzsimons, and Ferdinand K Hui.
    • School of Medicine, Case Western Reserve University, Cleveland, Ohio, USA.
    • J Neurointerv Surg. 2016 Aug 1; 8 (8): 865-7.

    BackgroundCerebrospinal fluid diversion through lumbar drainage catheters is a routine procedure that is used in a variety of clinical applications. Fracture of catheters during insertion or removal may result in retained foreign bodies that may lead to patient morbidity with potential legal ramifications. Fracture resistance is an important component of drain selection.ObjectiveTo analyze catheter integrity to determine which commercially available catheters are most robust and resistant to fracture.MethodsPhysical properties of the commercially available drainage catheters that can be advanced through a Touhy needle were assessed using laboratory equipment and reported. Five types of catheter were analyzed for break load, tensile strength, extension at break, and shear strength.Results And ConclusionsOf the five types of catheter, the Arrow catheter showed the greatest resistance to fracture. Of the drainage catheters, the Codman catheter showed the greatest resistance to fracture.Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://www.bmj.com/company/products-services/rights-and-licensing/

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