Related Experiment Video
Updated: Apr 8, 2026

A Teleoperated Robotic System-Assisted Percutaneous Transiliac-Transsacral Screw Fixation Technique
Published on: January 6, 2023
Retrograde posterior column acetabular screw: robotically assisted and CT-guided minimally invasive procedure
Dominik M Haida1,2, Friedemann Meiswinkel2, Georgi Prosenikov2
1Klinikum rechts der Isar, Department of Trauma Surgery, Technical University of Munich, Ismaninger Straße 22, 81675, Munich, Germany.
Objective Of The Surgery:
The aim of this operation is to stabilise a T-type acetabular fracture against secondary dislocation and to restore the patient's preoperative functionality.
Indications:
An 88-year-old patient with severe pain and immobility due to a T-type acetabular fracture (Letournel & Judet: associated fracture; AO: 62B2).
Contraindications:
General surgical contraindications.
Surgical Technique:
This surgery was performed in a 3D-Navigation Hybrid Operating Room, the Robotic Suite (Brainlab, Munich, Germany). The setup includes a navigation unit (Curve Navigation System) a movable robotic 3D cone beam computed tomography unit (Loop-X), a robotic arm (Cirq Arm System), 3D mixed reality glasses (for planning), and a wall monitor (Buzz). A step-by-step video is available online.
Follow-Up:
Immediate full weight-bearing, active and passive joint mobilisation through physiotherapy on the first postoperative day, pain medication as required.
Evidence:
Navigated surgeries of the pelvis (ring and acetabulum) have become standard practice, while robotic assistance is increasingly used, demonstrating very good outcomes and promising accuracy rates.
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