A programmable implantable micro-stimulator SoC with wireless telemetry: application in close-loop endocardial stimulation for cardiac pacemaker

Lee, S, Su, M, Liang, M, Hong, J, Hsieh, C, Yang, C, Chen, Y, Lai, H, Lin, J and Fang, Q 2011, 'A programmable implantable micro-stimulator SoC with wireless telemetry: application in close-loop endocardial stimulation for cardiac pacemaker', in Laura C. Fujino (ed.) Digest of Technical Papers - IEEE International Solid-State Circuits Conference, San Francisco, CA, United States, 20-24 February, 2011, pp. 44-45.


Document type: Conference Paper
Collection: Conference Papers

Title A programmable implantable micro-stimulator SoC with wireless telemetry: application in close-loop endocardial stimulation for cardiac pacemaker
Author(s) Lee, S
Su, M
Liang, M
Hong, J
Hsieh, C
Yang, C
Chen, Y
Lai, H
Lin, J
Fang, Q
Year 2011
Conference name 2011 IEEE International Solid-State Circuits Conference, ISSCC 2011
Conference location San Francisco, CA, United States
Conference dates 20-24 February, 2011
Proceedings title Digest of Technical Papers - IEEE International Solid-State Circuits Conference
Editor(s) Laura C. Fujino
Publisher IEEE
Place of publication United States
Start page 44
End page 45
Total pages 2
Abstract The use of closed-loop implantable telemetry devices [1,2] is increasing as recent clinical studies have shown their efficiency and usefulness in detecting and treating various cardiac arrhythmias. In this paper, we present a single-chip closed-loop system providing closed-loop feedback of sensed cardiac patterns. This device promises more optimized stimulation parameters to cure rapid arrhythmias compared with open-loop devices. Our system incorporates more functionality comparing with the conventional micro-stimulators, yet consumes less power. It is powered by implanted rechargeable batteries periodically charged by radio-frequency (RF) coupling. This improvement of the powering system can prevent improper device operation or shutdown due to RF coupling and loading variations. Furthermore, this system eliminates the need for periodic surgery for battery replacement and improves quality of life of the patient.
Subjects Medical Devices
Keyword(s) Battery replacements
Cardiac arrhythmia
Cardiac pacemakers
Clinical study
Closed-loop
Closed-loop feedback
Device operations
Microstimulators
Open loops
Powering systems
Quality of life
Radio frequencies
Rechargeable battery
Single-chip
Stimulation parameters
Wireless telemetry
DOI - identifier 10.1109/ISSCC.2011.5746212
Copyright notice © 2011 IEEE
ISBN 9781612843025
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