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Individualized alignment and ligament balancing technique with the ROSA® robotic system for total knee arthroplasty

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Abstract

Purpose

Higher patient’s expectations and dissatisfaction following total knee arthroplasty are well-documented phenomena. Despite the implications of different patients’ related factors both modifiable and nonmodifiable, in the last decade a lot of emphasis has been focused on surgical technique, implant alignment and stability both as a cause and a potential solution of several problems.

Methods

Different alignment and balancing techniques have been recently described and the introduction of new technologies such as computer and robotic-assisted surgery have been the basis for their optimization. In this paper, the surgical technique of the ROSA Knee System will be described focusing on the potential alignment options and the ligament balancing technique. The current literature available about the system will also be analyzed.

Results

The ROSA® robotic system have been recently introduced in the market and presents specific and peculiar features to optimize ligament balancing and an individualized alignment of the implant in a three dimensional prospective.

Discussion

The system is showing a favourable gap balancing technique and the possibility to create an individualized alignment. Preliminary results have now been shown in the literature both on the accuracy of the system and on clinical outcomes.

Conclusions

Preliminary results are promising both in terms of accuracy of the system and of clinical outcomes.

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Authors and Affiliations

  1. Sezione di Chirurgia Protesica ad Indirizzo Robotico, Unità di Traumatologia dello Sport, U.O.C Ortopedia e Traumatologia, Fondazione Poliambulanza, Via Bissolati 57, 25124, Brescia, Italy

    Stefano Marco Paolo Rossi & Francesco Benazzo

  2. IUSS Istituto Universitario di Studi Superiori, Pavia, Italy

    Francesco Benazzo

Authors
  1. Stefano Marco Paolo Rossi
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  2. Francesco Benazzo
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Contributions

SMPR and FB designed and were responsible for the manuscript. Both authors read and approved the final manuscript.

Corresponding author

Correspondence to Stefano Marco Paolo Rossi.

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None. No need for IRB approval for the current study.

Conflict of interest

Francesco Benazzo is Consultant for Zimmer Biomet and Limacorporate. Grants from Limacorporate; Royalties from Zimmer Biomet and Limacorporate. Stefano Marco Paolo Rossi have no disclosures. Prof. Francesco Benazzo declares a teaching contract with the manufacturer (Zimmer Biomet). No other conflict of interest to be declared by any of the authors for the current study.

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Rossi, S.M.P., Benazzo, F. Individualized alignment and ligament balancing technique with the ROSA® robotic system for total knee arthroplasty. International Orthopaedics (SICOT) 47, 755–762 (2023). https://doi.org/10.1007/s00264-022-05671-z

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