ABSTRACT
Background
For development of a minimally invasive intracorporal micromanipulator, a master-slave telemanipulation system was required.
Methods
Different input positions for a tablet-based input device with a heads-up centered screen were evaluated. Personal preference was assessed using a questionnaire. Then, the most ergonomic and intuitive position was compared to a surgical reference position based on laparoscopic sigmoid resection.
Results
After comparing a 45°, 75° (pitch) and 60°/20° (pitch/yaw) to a 60° reference position no significant differences in processing time and number of failures could be demonstrated. Study participants indicated the 60°/20° position as the most comfortable in the questionnaire. This was therefore compared with the laparoscopic reference position, both sitting and standing. Here, the laparoscopic sitting position was perceived to be the most ergonomic.
Conclusions
The developed input device offers a maximum of flexibility and individualization to reach ergonomic and intuitive conditions. General recommendations regarding an optimal setting cannot be given, based on our results.
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