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Accuracy of Advanced Active Robot for Total Knee Arthroplasty: A Cadaveric Study

Authors
 Han-Jun Lee  ;  Kwan Kyu Park  ;  Yong-Beom Park  ;  Sung Wook Choi  ;  Bong-Oh Kim  ;  Seong Hwan Kim 
Citation
 JOURNAL OF KNEE SURGERY, Vol.37(02) : 135-141, 2024-01 
Journal Title
JOURNAL OF KNEE SURGERY
ISSN
 1538-8506 
Issue Date
2024-01
MeSH
Arthroplasty, Replacement, Knee* / methods ; Cadaver ; Humans ; Knee / surgery ; Knee Joint / surgery ; Knee Prosthesis* ; Osteoarthritis, Knee* / surgery ; Robotics*
Abstract
Purpose Although the accuracy of other types of robotic systems for total knee arthroplasty (TKA) has been assessed in cadaveric studies, no investigations have been performed to evaluate this newly advanced active robotic system. Therefore, the authors aimed to analyze the accuracy of bone resection in terms of thickness and alignment in a cadaveric study.Methods Three cadaveric specimens (six knees) and an active robotic system (CUVIS Joint, CUREXO) were used in the study. Three surgeons with different experiences in robotic TKAs performed this cadaveric study using the same robotic protocol with two different implant designs. The thickness and angle of bone resection planes obtained from the optical tracking system and the difference between resection planes and the planning data were assessed to determine accuracy.Results With respect to the overall resection accuracy compared to the plan, the cutting depth accuracy was within 1.0 mm mean of root mean square (RMS), and the resection angle accuracy in terms of sagittal, coronal, and axial planes was within 1.0 degree mean RMS. In contrast, no significant differences were observed between the planned and measured values in terms of the resection angles and cutting thickness. The hip-knee-ankle angle at postoperative evaluation was 0.7 degrees +/- 0.7 degrees (RMS 1.0 degrees).Conclusion This in vivo study suggests that the use of this newly advanced active robotic system for TKA demonstrates a high degree of accuracy in terms of resection thickness and alignment. This finding supports the clinical application of this advanced robotic system.
Full Text
https://www.thieme-connect.com/products/ejournals/abstract/10.1055/s-0042-1760391
DOI
10.1055/s-0042-1760391
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Orthopedic Surgery (정형외과학교실) > 1. Journal Papers
Yonsei Authors
Park, Kwan Kyu(박관규) ORCID logo https://orcid.org/0000-0003-0514-3257
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/201040
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