Orthopedic & Muscular System: Current Research
Open Access
ISSN: 2161-0533
+44-20-4587-4809
ISSN: 2161-0533
+44-20-4587-4809
Tae-Soo Bae1, Sang-Hyug Park1, Han Wool Seo1, Moon Jong Jang2 and Joon Ho Wang2
Posters-Accepted Abstracts: Orthop Muscular Syst
When the anterior cruciate ligament (ACL) has been ruptured, if normal functions are not recovered with conservative treatment methods or the knee joint is unstable even after normal muscle strength training and hamstring rehabilitation training, surgical treatment will be conducted in general. Recently, although many studies have been conducted on the fixing force of fixing wires used in ACL reconstruction, studies on damage to grafts are currently insufficient, despite loads being continuously delivered to grafts connected to fixing wires following repeated movements of the knee. The present study was intended to quantitatively analyze the degree of damage to grafts following repeated use of the knee after ACL reconstruction through computational analyses and verification experiments. A model for finite element analysis was made using a structural design program, the material property values of the ACL were used for grafts, and the material property values of ultra-high molecular weight polyethylene (UHMWPE) were set for fixing wires. A computational analysis was conducted using a finiteelement analysis program. In the present study, the degrees of damage to ACL structures at different fixing wire diameters were quantitatively calculated through a computational analysis and the results were verified through experiments. When the diameters of the fixing wires were 1, 2, or 3 mm, grafts and fixing wires showed stress values somewhat higher than their own yield strength, indicating that plastic deformation might occur.