| 摘要 |
<p>Disclosed is a hand-held surgical instrument with an orientation determining unit that determining the orientation of the instrument, and an indicator to provide an indication of the orientation to a user. The orientation determining unit may determine the orientation of the instrument with respect to one, two or three axes. The orientation determining unit may include a magnetometer, a gyroscope, an accelerometer, as an micro-electromechanical system. The indicator may be visual, audio or haptic means. The instrument may have a memory to store data about the orientations of the instrument. The instrument is used to prepare an osteotomy for dental implants by determining and indicating the orientation of drills.</p> |
