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Logo of nihpaAbout Author manuscriptsSubmit a manuscriptHHS Public Access; Author Manuscript; Accepted for publication in peer reviewed journal;
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. 1

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Proposed CSF volume sensor with feedback control. The volume sensor is shown in (1). It feeds voltage drops sensed at the measurement electrodes to a microcontroller unit (2) which also provides power and RF signal transmission. The micro pump (3) receives a control signal from the microcontroller to maintain the desired ventricular volume.

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