Paragraph Number

9

Implementations may include one or more of the following features. The surgical device may include: a housing that may include the electronic circuit and the power supply; a handle closer to the proximal end of the shaft; a bone probe at the distal end of the shaft; a head at the proximal end of the shaft, the head configured to accept a driving force to form a pedicle screw pilot hole in a vertebra of the patient; an angle mode switch configured to change an operating mode of the electronic circuit from measuring distance to measuring the orientation angle of the shaft; a distance mode switch configured to change an operating mode of the electronic circuit from measuring the orientation angle of the shaft to measuring a distance between the surgical device and a second surgical device; The power supply, electronic circuit, housing, handle, head, and shaft are each configured for single use with one patient. The orientation angle displayed to a user is accurate to within three tenths of a degree.

Added by DJM 1 2022