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. Author manuscript; available in PMC: 2015 Jul 9.
Published in final edited form as: IEEE Trans Biomed Eng. 2011 Dec 6;59(8):2118–2125. doi: 10.1109/TBME.2011.2178239

Fig. 2.

Fig. 2

Solenoids of the two designs. First-generation device optimizes solenoid, while the solenoid for second generation aims at minimizing influence of leads. Insulators and leads are not shown.