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Published on: January 6, 2023
Effects of latency on telesurgery: an experimental study
Reiza Rayman1, Serguei Primak, Rajni Patel
1Canadian Surgical Technologies and Advanced Robotics (CSTAR), 339 Windermere Road, London, Ontario N6A 5A5, Canada.
Summary
This study demonstrates the feasibility of telesurgery over long-distance satellite links, even with significant communication delays. Experiments confirm that remote surgical procedures are possible, providing valuable data for future applications.
Area of Science:
- Robotics
- Surgical Technology
- Telecommunications
Background:
- Telesurgery offers potential for remote medical interventions.
- Long communication delays pose a significant challenge to telesurgery feasibility.
- Existing research lacks comprehensive feasibility studies for high-latency telesurgery.
Purpose of the Study:
- To determine the feasibility of performing telesurgery over long communication links, specifically satellite connections.
- To evaluate the impact of a ~600 ms delay on telesurgical task performance.
- To present quantitative results from experimental evaluations.
Main Methods:
- Development and utilization of an experimental telesurgery testbed.
- Inclusion of wired, satellite, and simulated network connections.
- Conducting both dry and wet laboratory experiments to assess performance.
Main Results:
- Demonstrated feasibility of telesurgery with a 600 ms satellite link delay.
- Quantitative data collected from various experimental conditions.
- Successful execution of simulated surgical tasks under latency.
Conclusions:
- Telesurgery is feasible over long-distance satellite links despite significant latency.
- The experimental testbed provides a valuable platform for further telesurgery research.
- Quantitative findings support the viability of remote surgical operations in challenging network environments.

