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Special Section Technical Briefs

Applied Apical Torsion for Cardiac Assist: Design Considerations and Prototype Development1

[+] Author and Article Information
Dennis R. Trumble

Department of Biomedical Engineering,
Carnegie Mellon University,
Pittsburgh, PA 15213;
Left Field Cardiac, Inc.,
Pittsburgh, PA 15213

Elaine Soohoo

Department of Biomedical Engineering,
Carnegie Mellon University,
Pittsburgh, PA 15213

Lewis K. Waldman

Insilicomed, Inc.,
La Jolla, CA 92037

Accepted and presented at The Design of Medical Devices Conference (DMD2015), April 13-16, 2015, Minneapolis, MN, USA.

QRS refers to the QRS complex of the ECG corresponding to the start of ventricular contraction.

Manuscript received March 3, 2015; final manuscript received March 16, 2015; published online April 24, 2015. Editor: Arthur Erdman.

J. Med. Devices 9(2), 020923 (Jun 01, 2015) (2 pages) Paper No: MED-15-1116; doi: 10.1115/1.4030135 History: Received March 03, 2015; Revised March 16, 2015; Online April 24, 2015

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References

Figures

Grahic Jump Location
Fig. 2

Original AID prototype with central vacuum line (top) shown with second generation drive system (bottom)

Grahic Jump Location
Fig. 1

Concept drawing of the tVAD applied to the apex of the left ventricle. Note that torsion is applied in a counterclockwise direction to restore the natural twisting motion of the heart.

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