Toward the Bionic Human: Medical Devices and How They are Powered

Wednesday, July 20, 2011, 2PM
Building 50 Auditorium
Lawrence Berkeley National Laboratory

Treatment of human disease was transformed with the development of powered implantable devices. The first powered implantable device in widespread use was the cardiac pacemaker. Since the first implants, a diverse set of implantable medical devices has been developed to treat a broad spectrum of disease states. The devices including pacemakers, neurostimulators, drug pumps, implantable cardiac defibrillators (ICDs), and heart assist/replacement devices will be discussed. The power sources used in the devices vary, but there are general requirements that remain constant for all the cells, including: safety, reliability, low weight/small size, predictability of performance, low self discharge and end-of-life indication. These parameters along with key device performance factors will be discussed.

Esther Takeuchi

Esther Takeuchi

SUNY Distinguished Professor, University of Buffalo
Chemical and Biological Engineering
Biomedical Engineering
Electrical Engineering

Dr. Esther S. Takeuchi joined the University at Buffalo in September 2007 as Professor in the Departments of Chemical and Biological Engineering, Electrical Engineering, and Chemistry after a 22-year career in industry. Appointed to the rank of SUNY Distinguished Professor in 2009, she is currently the director of the Advanced Power Sources Laboratory and co-director of the New York State Center for Advanced Technology at UB.

Dr. Takeuchi was employed previously at Greatbatch, Inc., where she served most recently as Chief Scientist. While at Greatbatch, her achievements in lithium battery research, particularly on cells for implantable applications, led to a number of key technological developments, including the lithium/silver vanadium oxide (Li/SVO) battery, which powers the majority of implantable cardiac defibrillators (ICDs) used each year. An extraordinarily prolific inventor, she has been credited with holding more patents (currently over 140) than any other living woman. Her research focus is novel power sources including development of new materials and investigation of faradaic and non-faradaic mechanisms relevant to battery systems.

Elected into the National Academy of Engineering in 2004, Dr. Takeuchi has received numerous awards for her research achievements. These include the Jacob F. Schoellkopf Award given by the Western New York American Chemical Society, the Electrochemical Society Technology Award, and the inaugural Lifetime Achievement Award presented by the Technical Societies Council of the Niagara Frontier. She has been inducted into the Western New York Women's Hall of Fame, and in 2008, she was selected for an inaugural Astellas Foundation Award by the American Chemical Society for scientific work impacting public health. In 2009, Dr. Takeuchi was awarded the prestigious National Medal of Technology and Innovation by President Obama. In 2010, she was awarded the Chancellor Charles P. Norton Medal, the highest honor conferred at the University at Buffalo campus level. In May, 2011 she was inducted into the National Inventors Hall of Fame.

Dr. Takeuchi received a bachelor's degree from the University of Pennsylvania with a double major in chemistry and history and completed a Ph.D. in chemistry at the Ohio State University. She completed post-doctoral work at the University of North Carolina and UB.