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Progress Report

Progress Report. Joe Lancaster LPPD 3/31/2011. Sensor Instrumentation. Need to incorporate positive, negative and ground terminals. Transistor doesn’t work with negative voltage source. Solution? Try opto-isolator. Physiologically Relevant Gel Model.

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Progress Report

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  1. Progress Report Joe Lancaster LPPD 3/31/2011

  2. Sensor Instrumentation • Need to incorporate positive, negative and ground terminals. • Transistor doesn’t work with negative voltage source. • Solution? Try opto-isolator.

  3. Physiologically Relevant Gel Model • Bhargav’s tests were in cylindrical cavities • Electrical field lines are spherical; therefore, voltage readings are geometry-dependent.

  4. Physiologically Relevant Gel Models • Ideally, want cavities to resemble the shape of the ventricles as much as possible. • Rapid prototyping machines can produce models from 3D schematics • We can use these models to make gel molds

  5. Rapid Prototyping Product

  6. New Sensor Materials • Silicone catheter sensor had an unfortunate setback • Waiting on new materials to arrive to attempt a new one

  7. Goals for the Immediate Future • Test optoisolator in sensor instrumentation • Look into cost of producing models with rapid prototyping and quality available with UIC’s machine • Resume construction of volume sensor with new materials • Test catheter MKI • Build catheter MKII and test it

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