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Review

New Technologies in Knee Arthroplasty: Current Concepts

1
Department of Orthopedic Surgery and Sport Medicine, Croix-Rousse Hospital, 69004 Lyon, France
2
Service de Chirurgie Orthopédique, Université de Lyon, Université Claude Bernard Lyon 1, LBMC UMR_T9406, 69003 Lyon, France
3
Cécile BATAILLER, Hôpital de la Croix-Rousse, 103 Grande Rue de la Croix-Rousse, 69004 Lyon, France
4
EA 7424, Interuniversity Laboratory of Human Movement Science, Université Lyon 1, 69100 Villeurbanne, France
*
Author to whom correspondence should be addressed.
J. Clin. Med. 2021, 10(1), 47; https://doi.org/10.3390/jcm10010047
Received: 14 November 2020 / Revised: 17 December 2020 / Accepted: 22 December 2020 / Published: 25 December 2020
(This article belongs to the Special Issue State-of-the-Art Research on Hip and Knee Arthroplasty)
Total knee arthroplasty (TKA) is an effective treatment for severe osteoarthritis. Despite good survival rates, up to 20% of TKA patients remain dissatisfied. Recently, promising new technologies have been developed in knee arthroplasty, and could improve the functional outcomes. The aim of this paper was to present some new technologies in TKA, their current concepts, their advantages, and limitations. The patient-specific instrumentations can allow an improvement of implant positioning and limb alignment, but no difference is found for functional outcomes. The customized implants are conceived to reproduce the native knee anatomy and to reproduce its biomechanics. The sensors have to aim to give objective data on ligaments balancing during TKA. Few studies are published on the results at mid-term of these two devices currently. The accelerometers are smart tools developed to improve the TKA alignment. Their benefits remain yet controversial. The robotic-assisted systems allow an accurate and reproducible bone preparation due to a robotic interface, with a 3D surgical planning, based on preoperative 3D imaging or not. This promising system, nevertheless, has some limits. The new technologies in TKA are very attractive and have constantly evolved. Nevertheless, some limitations persist and could be improved by artificial intelligence and predictive modeling. View Full-Text
Keywords: knee arthroplasty; new technologies; patient-specific instrumentation; customized implants; sensors; accelerometers; robotic-assisted surgery knee arthroplasty; new technologies; patient-specific instrumentation; customized implants; sensors; accelerometers; robotic-assisted surgery
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MDPI and ACS Style

Batailler, C.; Swan, J.; Sappey Marinier, E.; Servien, E.; Lustig, S. New Technologies in Knee Arthroplasty: Current Concepts. J. Clin. Med. 2021, 10, 47. https://doi.org/10.3390/jcm10010047

AMA Style

Batailler C, Swan J, Sappey Marinier E, Servien E, Lustig S. New Technologies in Knee Arthroplasty: Current Concepts. Journal of Clinical Medicine. 2021; 10(1):47. https://doi.org/10.3390/jcm10010047

Chicago/Turabian Style

Batailler, Cécile, John Swan, Elliot Sappey Marinier, Elvire Servien, and Sébastien Lustig. 2021. "New Technologies in Knee Arthroplasty: Current Concepts" Journal of Clinical Medicine 10, no. 1: 47. https://doi.org/10.3390/jcm10010047

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