• Int J Med Robot · Dec 2017

    Robotic distal locking of intramedullary nailing: Technical description and cadaveric testing.

    • Martin Panzica, Eduardo M Suero, Ralf Westphal, Musa Citak, Emmanouil Liodakis, Nael Hawi, Max Petri, Christian Krettek, and Timo Stuebig.
    • Trauma Department, Hannover Medical School, Hannover, Germany.
    • Int J Med Robot. 2017 Dec 1; 13 (4).

    AbstractInterlocked intramedullary nailing is the treatment of choice for femoral shaft fractures. However, distal locking is a technically challenging part of the procedure that can result in distal femoral malrotation and high radiation exposure. We have tested a robotic procedure for robotic distal locking based on the computation of a drilling trajectory on two calibrated fluoroscopic images. Twenty distal holes were attempted in ten cadaveric femur specimens. Successful screw hole drilling was achieved at the first attempt in each of the ten specimens (20 drill holes in total). No failures were recorded. The average total number of images needed was 6.5 +/- 3.6. The average computation time was 16.5+/- 16.0 seconds. Robotic distal locking was feasible in this test and can be integrated into a fully robotic intramedullary nailing procedure.Copyright © 2017 John Wiley & Sons, Ltd.

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