A DC/DC resonant power converter for an electric artificial heart

Author

Cerny, John D. ; Jeutter, D.C.

Author_Institution

Dept. of Electr. Comput. & Biomed. Eng., Marquette Univ., Milwaukee, WI, USA

fYear

1989

Firstpage

154

Abstract

A switch-mode voltage switching class E power converter has been developed for use with an electric-powered total artificial heart. This work outlines a procedure taken in utilizing class E power amplifier techniques for DC/DC conversion with transcutaneous powering. The power converter´s load network consists of a pair of coupled coils, matching circuit and rectifier/filter which determine the transient response. The converter will power the control systems and implantable rechargeable batteries of the Milwaukee total artificial heart, which together require 10 to 12 W (nominal). Small-size coupled coils and high efficiency (upper 80% presently) benefit from operation at 2.0 MHz

Keywords

biomedical electronics; cardiology; power convertors; prosthetic power supplies; 10 to 12 W; 2 MHz; Milwaukee total artificial heart; coupled coils; electric-powered total artificial heart; implantable rechargeable batteries; matching circuit; rectifier/filter; switch-mode voltage switching class E power converter; transcutaneous powering; Artificial heart; Coils; Coupling circuits; Matched filters; Power amplifiers; Rectifiers; Resonance; Switching converters; Transient response; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Engineering in Medicine and Biology Society, 1989. Images of the Twenty-First Century., Proceedings of the Annual International Conference of the IEEE Engineering in

Conference_Location

Seattle, WA

Type

conf

DOI

10.1109/IEMBS.1989.95656

Filename

95656