Feasibility and Accuracy of Orthopedic Surgical Robot Sy stem for Intraoperative Navigation to Locate Bone Tunnel in Anterior Cruciate Ligament Reconstruction

Background

The combination of navigational system and robotics has the potential to accurately identify and drill bone tunnels in anterior cruciate ligament (ACL) reconstruction. This study explores the feasibility and accuracy of bone tunnel positioning using the TiRobot, an orthopedic surgical robot.

Methods

The experiment was divided into two groups. In group A, the bone tunnels were positioned using the TiRobot surgical robot (n = 8). In group B, handheld locators were used for positioning (n = 8).

Results

TiRobot can be used for positioning the ACL bone tunnel. The accuracy of positioning the femoral tunnel in Group A and B was 1.00 ±0.20 mm and 3.10 ±0.59 mm, respectively (t=-9.49, P <0.001). As for tibial tunnel, the accuracy was 1.02 ±0.20 mm and 2.64 ±0.14 mm, respectively (t=-18.54, P <0.001).

Conclusions

The bone tunnel drilling precision using TiRobot for ACL reconstruction surgery was more accurate than traditional surgical techniques.

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