Paragraph Number

7

The output device may include an audio output device configured to provide one or more audio signals that communicate the orientation angle. The electronic circuit determines the reference axis based on the data for the reference axis. The measurement circuit may include a sensor configured to detect a change in orientation of the shaft. The measurement circuit is configured to measure an orientation of the shaft in response to user input data. The measurement circuit is configured to measure an orientation of the shaft as a user tilts the shaft to a desired orientation. The shaft may include a head near the proximal end, the head configured to receive a strike and the bone probe is configured to penetrate cortical bone in response to the strike. The shaft is cannulated from the proximal end to the distal end and configured to accept one or more of a k-wire, a bone bore, an awl, a pedicle probe, a pedicle implant, and a pedicle inserter.

Added by DJM 1 2022