microTRACK

A system for recording hand and finger movements and synchronous video during microsurgery for evaluation of skill development.

The system use three sensors per hand, back of hand, forefinger and thumb, they are atached using surgical tape or sticky gelpads. The sensors used are Bosch BNO055, that contain a triaxial 16bit gyroscope, a  triaxial 14bit accelerometer and a geomagnetic sensor (https://www.bosch-sensortec.com/bst/products/all_products/bno055). A prototype of the system is show in the picture below.

The movements are recorded at 50-100 Hz together with video 30 fps (USB camera) and stored in a raw data analyses. The program also sumarize the data a smaller file that can be used for fast analyses.

Read more about the system microTRACK short manual