Background: The efficacy of laminectomy procedures is contingent on the method of resection. The objective of this study was to investigate the impact of different methods of resection on the surgical safety of automated laminectomy robots, an area that remains uncharted.
Methods: Lamina resection surgeries using both drilling and layer-by-layer methods, are performed on ovine spinal samples. An analysis of the force and lateral deviation at the end of the robotic arm is conducted.
Results: For the drilling and layer-by-layer lamina resection methods, the average peak force for the drilling method is 1.21 N, and deviations are within 1 mm. For the layer-by-layer resection method, the peak force reaches 2.39 N, and deviations are within 1.6 mm.
Conclusion: During the drilling resection, the ultrasonic osteotome experiences less force and minimal lateral deviation. This method demonstrates higher precision and safety in laminar resection surgeries. The drilling method should be the primary choice for robot manufacturers.
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