A surgical ring and related methods for plantar plate reconstruction and other surgical procedures are described. An external voltage may be applied to the converter body. A license managing unit manages presence of a license of the function independently of presence of the license file. The constant signal is compared to a reference signal. The buffer temporarily stores a bit segment in the bitstream to be provided to the decoding module. The electronic device further comprises a flexible printed circuit formed integrally with the touch pad and the processor and the flexible printed circuit is capable of electrically connecting the touch pad on the first surface to the processor on the second surface.