Calibration technique, apparatus and system for pulsed phase-lock loop ultrasound intracranial pressure measurement systems

A calibration system for a pulsed phase-lock loop ultrasound measurement system comprising an apparatus having a compartment for holding a pressure sensitive liquid. The compartment has an opening by which a flow of the pressure sensitive liquid may be controlled. A sensor arranged relative to the c...

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description A calibration system for a pulsed phase-lock loop ultrasound measurement system comprising an apparatus having a compartment for holding a pressure sensitive liquid. The compartment has an opening by which a flow of the pressure sensitive liquid may be controlled. A sensor arranged relative to the compartment to receive ultrasonic signals that reflect off one or more inner surfaces of the compartment. The system includes a processing device for receiving an integrated error signal output by the sensor based on pressure changes of the pressure sensitive liquid responsive to a change in flow of pressure sensitive liquid between the source and the compartment.
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subjects DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE
MEDICAL OR VETERINARY SCIENCE
PHYSICS
SURGERY
TESTING
title Calibration technique, apparatus and system for pulsed phase-lock loop ultrasound intracranial pressure measurement systems
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