| http://www.w3.org/ns/prov#value | - FIG. 1B is a block diagram of a battery-operated nerve-stimulation laser handpiece system 100B. In some embodiments, reference numbers of elements shown in FIG. 1B refer to like-numbered elements described above for FIG. 1A. In some embodiments, handpiece 140B has few if any switches (such as 112A and 108A described for FIG. 1A), but rather is activated wirelessly by remote-control device 141.
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