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. 2022 Apr 15;8(15):eabk0159. doi: 10.1126/sciadv.abk0159

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Fig. 1. — (A) Schematic diagram of the Sm-PUEH device designed for DBS and analgesia. DI, deionized. (B) Attenuation of US after penetrating through the brain as a function of distance with different frequencies (0.5 and 1 MHz). (C) Exploded view of Sm-PUEH device, consisting of soft polydimethylsiloxane (PDMS), stretchable copper electrodes, Sm-PMN-PT, rectifier diodes, and stimulating electrodes (from side to center). (D) The stretchable electrical connection for the device. (E) The flexible device in a bent state. (F) Side view of the flexible device with bending angle greater than 30°. (G) Optical image of the obtained device held with fingers. The inset shows that the device is smaller than a coin of ¥0.5 (20.5 mm in diameter).