Abstract Title

MOCK FLOW LOOP (MFL) FOR SELF-POWERED FONTAN CIRCULATION

group

Authors' Class Standing

Kristin Sverrisdottir, Senior Shanice Jones, Senior Gabriela Espinoza, Senior Janina Helwig, Senior Josean Ruiz, Senior Arka Das, PhD Student

Lead Presenter's Name

Kristin Sverrisdottir

Faculty Mentor Name

Eduardo Divo

Abstract

We propose an innovative way to “assist” the Fontan circulation by creating a novel bifurcating graft (IJS) .A benchtop dynamically scaled mock flow loop (MFL) will be configured to validate the optimized IJS .The MFL will be based on a reduced Fontan lumped-parameter model (LPM) and will be comprised of an upper body and lower body RLC compartments as well as a left and right lung RLC compartments. A patient-specific 3D model of the Fontan junction is produced via 3D printing and is the centerpiece of the MFL. A steady flow pump maintains the mean flow, matching the target cardiac output, for the baseline “sick” Fontan circulation, and, with the IJS, a Harvard Medical pulsatile pump provides the targeted flow rate through the IJS. Flow and pressure sensor data at critical points in the MFL are acquired via a National Instruments multichannel data acquisition board and processed using LabView.

Did this research project receive funding support (Spark or Ignite Grants) from the Office of Undergraduate Research?

No

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MOCK FLOW LOOP (MFL) FOR SELF-POWERED FONTAN CIRCULATION

We propose an innovative way to “assist” the Fontan circulation by creating a novel bifurcating graft (IJS) .A benchtop dynamically scaled mock flow loop (MFL) will be configured to validate the optimized IJS .The MFL will be based on a reduced Fontan lumped-parameter model (LPM) and will be comprised of an upper body and lower body RLC compartments as well as a left and right lung RLC compartments. A patient-specific 3D model of the Fontan junction is produced via 3D printing and is the centerpiece of the MFL. A steady flow pump maintains the mean flow, matching the target cardiac output, for the baseline “sick” Fontan circulation, and, with the IJS, a Harvard Medical pulsatile pump provides the targeted flow rate through the IJS. Flow and pressure sensor data at critical points in the MFL are acquired via a National Instruments multichannel data acquisition board and processed using LabView.