Novel CO2 laser robotic controller outperforms experienced laser operators in tasks of accuracy and performance...

Area of Science:

• Surgical robotics
• Laser microsurgery
• Medical device innovation

Background:

• Micromanipulators are crucial for precise surgical tasks.
• Current manual CO(2) laser micromanipulators have limitations in accuracy and repeatability.
• Enhancing precision in laser surgery is critical for patient outcomes.

Purpose of the Study:

• To introduce a novel robotic controller for CO(2) laser micromanipulators.
• To evaluate the precision and repeatability of the robotic system in simulated surgical applications.
• To compare the performance of robotic control against experienced human operators.

Main Methods:

• Development of a portable robotic controller for a standard CO(2) laser micromanipulator.
• Comparative study involving six experienced users and the robotic controller performing simulated surgical tasks.
• Helium-neon laser beam video tracking techniques were used to assess accuracy and repeatability.

Main Results:

• The robotic controller achieved superior accuracy (97.42% vs. 85.11%, P = .018) compared to manual control.
• The robotic system demonstrated significantly better laser beam path repeatability (21.42 mm(2) vs. 65.84 mm(2), P = .006).
• Accuracy was defined as laser path within 1 mm of the idealized centerline.

Conclusions:

• Robotic micromanipulator control significantly enhances accuracy and repeatability for CO(2) laser surgical tasks.
• Computerized control presents opportunities for novel user interfaces and integrated safety features.
• This technology has the potential to advance minimally invasive laser surgery.