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2011 Design of Medical Devices Conference Abstracts

Evaluation of a Novel Method of Shunting for Patients With Normal Pressure Hydrocephalus OPEN ACCESS

[+] Author and Article Information
Kalyani Nair, Martin Morris, Charles Corrie, Brian Del-Bene, Michelle Eastburn

Bradley University

Julian Lin

Saint Francis Hospital

J. Med. Devices 5(2), 027512 (Jun 09, 2011) (1 page) doi:10.1115/1.3589829 History: Published June 09, 2011; Online June 09, 2011
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An overlying problem with shunting cerebrospinal fluid (CSF) is that there is no way to directly measure the volume being drained through a shunt once it has been implanted. Therefore, it becomes very difficult to determine if the shunt is working properly. If the patient’s symptoms remain unchanged, the shunt may not be draining fluid, the pressure setting on the shunt may need to be changed, or the patient may simply be unresponsive to shunt treatment. The objective is to develop a prototype shunt device which is capable of measuring, recording, and controlling the amount of CSF that passes through it on a daily basis. By using a positive displacement pump and controlling the stroke frequency, a volume of fluid similar to CSF (water) is controlled, measured, and recorded. If the volume of CSF being drained could be measured and controlled, this would make troubleshooting much easier. By using a bicorporeal device, power supply, and pumping device, it is hypothesized that shunting can be achieved with success.

Copyright © 2011 by American Society of Mechanical Engineers
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