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Logo of nihpaAbout Author manuscriptsSubmit a manuscriptHHS Public Access; Author Manuscript; Accepted for publication in peer reviewed journal;
 
From:
Med Eng Phys. Author manuscript; available in PMC 2010 September 1.
Published in final edited form as:
Med Eng Phys. 2009 September; 31(7): 838–845.
Published online 2009 May 5. doi: 10.1016/j.medengphy.2009.03.011

Fig. 2

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Experimental setup of three-dimensional volume measurement experiments. Frame A shows a CSF-filled three-dimensional cavity molded into agarose gel with conductivity properties similar to the brain. B shows the conceptual circuit diagram and the control scheme for controlling the volume of fluid contained within the cavity. The reading was sent to a Flow Controller, FC, which controlled a micro pump. Feedback control was implemented using an on-off algorithm and a Flow Transmitter, FT.

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