US Patent 7662113 Fingertip tracker

A method, apparatus, system, and article of manufacture provide the ability to utilize fingertip tracking technology during the course of a medical examination. A sensor is mounted on a fingertip of a finger of a first person. Such a sensor is communicatively coupled to a computer to record measurements. The sensor is calibrated using a known target. The finger having the sensor is then engaged to perform a medical examination directly on a second person. Measurements are obtained from the sensor on the fingertip during the medical examination. Data is obtained (e.g., via calculations or interpolation) based on the measurements.