Vaughan, N., Dubey, V. N., Wee, M.Y.K. and Isaacs, R., 2012. Measuring Tuohy Needle Insertion Force on a Porcine Spine. In: 6th International Conference on Bioinformatics and Biomedical Engineering (iCBBE 2012), 17-20 May 2012, Shanghai, China. (Submitted)
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Official URL: http://www.icbbe.org/2012/
This study aims to measure the pressure exerted on a Tuohy needle during epidural insertions in the lumbar region. Seventeen epidural insertions have been performed on a porcine cadaver in the lumbar region using the developed system. The range of peak pressures caused by porcine ligamentum flavum was measured between 470-500 mmHg (62.7-66.7 kPa), equivalent to 11.1 – 11.8 Newtons of force on the plunger, beyond this the epidural space caused a loss of pressure. The resulting pressure-time graphs show the changing pressures on the Tuohy needle during insertion from the skin through the ligaments to the epidural space. These measurements will be used to configure a haptic device for epidural simulators.
|Item Type:||Conference or Workshop Item (Paper)|
|Subjects:||Technology > Engineering > General Engineering|
|Group:||School of Design, Engineering & Computing > Smart Technology Research Centre|
|Deposited By:||Dr Venky Dubey|
|Deposited On:||09 Jan 2012 12:36|
|Last Modified:||07 Mar 2013 15:51|
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