Fig. 7From: A review: flexible, stretchable multifunctional sensors and actuators for heart arrhythmia therapy(Reproduced with permission from Ref. [49], Copyright © 2015 Elsevier Ltd. All rights reserved) a A schematic diagram of a piezoelectric generator (PG) surrounding the aorta. b cross-sectional SEM image of PG. c PG structure diagramBack to article page