Special Section Technical Briefs

Transcutaneous Energy Transfer and Inductive Communications for Ventricular-Assist Device Systems1

[+] Author and Article Information
A. Bartnik, L. Lucke

Minnetronix, Inc.,
St. Paul, MN 55108

DOI: 10.1115/1.4033145Manuscript received March 1, 2016; final manuscript received March 16, 2016; published online May 12, 2016. Editor: William Durfee.

J. Med. Devices 10(2), 020938 (May 12, 2016) (2 pages) Paper No: MED-16-1066; doi: 10.1115/1.4033145 History: Received March 01, 2016; Revised March 16, 2016

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Perceda, D. , and Conte, J. V. , 2011, “ Left Ventricular Assist Device Driveline Infections,” Cardiol. Clin., 29(4), pp. 515–527. [CrossRef] [PubMed]
Dissanayake, T. D. , Hu, A. P. , Malpas, S. , Bennet, L. , Taberner, A. , Booth, L. , and Budgett, D. , 2009, “ Experimental Study of a TET System for Implantable Biomedical Devices,” IEEE Trans. Biomed. Circuits Syst., 3(6), pp. 22–29. [CrossRef]
Mehta, S. M. , Pae, W. E., Jr. , Rosenberg, G. , Snyder, A. J. , Weiss, W. J. , Lewis, J. P. , Frank, D. J. , Thompson, J. J. , and Pierce, W. S. , 2001, “ The LionHeart LVD-2000: A Completely Implanted Left Ventricular Assist Device for Chronic Circulatory Support,” Ann. Thorac. Surg., 71(3), pp. S156–S161. [CrossRef] [PubMed]
Elixman, I. , Kony, M. , Bertling, S. , Kiefer, M. , and Leonhardt, S. , 2012, “ Transcutaneous Energy Transfer System Incorporating a Datalink for a Wearable Autonomous Implant,” Ninth International Conference on Wearable and Implantable Body Sensor Networks (BSN), London, May 9–12.


Grahic Jump Location
Fig. 1

Schematic for decoding a modulating duty cycle

Grahic Jump Location
Fig. 2

From largest magnitude to smallest (1): the comparator output at 20 Hz; (2) the comparators positive terminal; and (3) the comparators negative terminal (AC coupled)

Grahic Jump Location
Fig. 3

From top to bottom: (1) the comparators positive terminal after weak LPF; and (2) the comparators negative terminal after strong LPF

Grahic Jump Location
Fig. 4

From top to bottom: (1) 100 Hz input waveform; (2) external coil current; (3) low-passed duty cycle (AC coupled on scope); and (4) 100 Hz output digital signal replicating input with small time delay

Grahic Jump Location
Fig. 5

From top to bottom: (1) 50 Hz input data waveform; (2) external coil current; (3) low-passed duty cycle (AC coupled on scope); and (4) output digital data signal

Grahic Jump Location
Fig. 6

From top to bottom: (1) 10 Hz input waveform; (2) external coil current; (3) low-passed duty cycle; and (4) 10 Hz output signal



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