![]() ![]() 9 Proponents of CFR-PEEK hypothesize that it may help to avoid potential issues such as stress shielding and bone resorption, which are common problems experienced when stainless steel or titanium implants are used in total knee replacements. 9 It can also be manufactured to match the modulus of both cortical and cancellous bone densities. ![]() ![]() It has a modulus very similar to bone and an ability to withstand prolonged fatigue strain. CFR-PEEK is readily accepted by the body and does not break down over time. 9 More recently, CFR-PEEK has been used in orthopedic implants and may be ideal for articulating implants, including knee replacement products. 8Ĭarbon-fiber-reinforced polyetheretherketone (CFR-PEEK) has historically been used in spinal cages, bone fixation screws, and cardiac and neurological leads. As a result, new implants made of innovative materials are being introduced and evaluated with the goal of improving implant survival rates and reducing the associated burden of revision surgery. 6, 7 Consequently, a high percentage of patients are required to undergo a second knee replacement within 10 years of their initial surgery. 4, 5 Despite the improvement, the life span of the prosthesis is ultimately finite, as mechanical wear, aseptic loosening, infection, instability, and periprosthetic fractures are reasons for revision of knee arthroplasty. 1 – 3 For severe cases of knee OA, total knee replacements are the standard of care, as they relieve the patient’s pain so that they can return to their normal daily activities. For example, knee osteoarthritis (OA), a chronic degenerative joint disease, is very common among people over the age of 60 years. The ongoing development and improvement of orthopedic implants requires much attention as surgeries performed to treat traumatic injuries and joint diseases, along with their associated complications, are highly prevalent. Future studies should continue to investigate CFR-PEEK’s potential benefits. Nevertheless, available studies strongly support CFR-PEEK as a promising and suitable material for orthopedic implants because of its biocompatibility, material characteristics, and mechanical durability. There is limited literature available assessing the performance of CFR-PEEK, specifically as an implant material for arthroplasty systems. A total of 23 articles were included in this review. The search was also expanded by reviewing the reference sections of selected papers and references and benchmark reports provided by content experts. A comprehensive search in PubMed and EMBASE was conducted to identify articles relevant to the outcomes of CFR-PEEK orthopedic implants. The aim of this systematic review is to investigate the properties, technical data, and safety of CFR-PEEK biomaterial and to evaluate its potential for new innovation in the design of articulating medical devices. Carbon-fiber-reinforced polyetheretherketone (CFR-PEEK) has been successfully used in orthopedic implants. ![]()
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