Table 1 parameter definitions of the selected clinically relevant parameters
Movement parameters | Definition |
|---|---|
Path length (left/right) | Distance travelled by instrument in millimeter |
Movements (left/right) | Number of movements made by instrument |
Entrance and exit points | Total number of entrance and exit points |
Distance scope and tissue | Average distance between scope and vaginal cuff in millimeter |
Safety parameters | |
Inaccurate punctures | Number of needle punctures not within relevant target mark |
Suture breakage | Number of times the suture broke due to excessive force |
Instrument collisions | Number of times instruments collided |
Times out of view | Number of times the users instrument was held out of view |
Dropped needles | Number of times a needle was dropped |
Unnecessary piercing | Number of unnecessary piercing points |
Task specific parameters | |
Total time | Total time in seconds |
Total errors | Total number of errors made |
Needle precision | Percentage of needle punctures which are on relevant target mark |
Needle passages | Total number of needle passages made |
Precise needle passages | Number of needle passages on relevant mark |
Total knots | Total number of knots made |
Surgeon knots | Total number of surgical knots |