Intracranial Pressure Monitoring. Calibration and Setup. Ashish V M. What is intracranial pressure? Intracranial pressure (ICP) is the pressure inside the skull and thus in the brain tissue and cerebrospinal fluid (CSF). Normal values: 7-15 mmHg Abnormal values: > 20-25 mmHg
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Calibration and Setup
Ashish V M
is the pressure inside the
skull and thus in the brain
tissue and cerebrospinal
Normal values: 7-15 mmHg
Abnormal values: > 20-25 mmHg
Increased ICP indicates Hydrocephalus and Edema
Measured during TBI (Traumatic brain injuries )&
Dimensions: 1 mm x 1 mm Square membrane (400 um x 400 um) 200 um x 200 um Aluminium pads
Plan for the
Off-chip circuit for electronic interfacing(above). Pressure and Temperature values are extracted from the sensor by completing the Wheatstone’s bridge using this circuit.
Signal conditioning circuit(left)