{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,9]],"date-time":"2025-10-09T00:39:51Z","timestamp":1759970391444,"version":"build-2065373602"},"reference-count":28,"publisher":"MDPI AG","issue":"1","license":[{"start":{"date-parts":[[2025,1,14]],"date-time":"2025-01-14T00:00:00Z","timestamp":1736812800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Medicina"],"abstract":"<jats:p>Background and Objectives: The study aimed to evaluate a newly designed semicircular implant for the fixation of Vancouver Type B1 periprosthetic femoral fractures (PFFs) in total hip arthroplasty (THA) patients. To determine its strength and clinical applicability, the new implant was compared biomechanically with conventional fixation methods, such as lateral locking plate fixation and a plate combined with cerclage wires. Materials and Methods: Fifteen synthetic femur models were used in this biomechanical study. A Vancouver Type B1 periprosthetic fracture was simulated by osteotomy 5 mm distal to the femoral stem. The models were divided into three groups: Group I (lateral locking plate fixation), Group II (lateral locking plate with cerclage wires), and Group III (new semicircular implant system). All fixation methods were subjected to axial loading, lateral bending, and torsional force testing using an MTS biomechanical testing device. Failure load and displacement were measured to assess stability. Results: The semicircular implant (Group III) demonstrated a significantly higher failure load (778.8 \u00b1 74.089 N) compared to the lateral plate (Group I: 467 \u00b1 68.165 N) and plate with cerclage wires (Group II: 652.4 \u00b1 65.474 N; p &lt; 0.001). The new implant also exhibited superior stability under axial, lateral bending, and torsional forces. The failure load for Group III was more robust, with fractures occurring at the screw level rather than plate or screw detachment. Conclusions: Compared to traditional fixation methods, the newly designed semicircular implant demonstrated superior biomechanical performance in stabilizing Vancouver Type B1 periprosthetic femoral fractures. It withstood higher physiological loads, offered better structural stability, and could be an alternative to existing fixation systems in clinical practice. Further studies, including cadaveric and in vivo trials, are recommended to confirm these results and assess the long-term clinical outcomes.<\/jats:p>","DOI":"10.3390\/medicina61010110","type":"journal-article","created":{"date-parts":[[2025,1,14]],"date-time":"2025-01-14T03:29:43Z","timestamp":1736825383000},"page":"110","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Multiplanar Semicircular New-Generation Implant System Developed for Proximal Femur Periprosthetic Fractures: A Biomechanical Study"],"prefix":"10.3390","volume":"61","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8762-5358","authenticated-orcid":false,"given":"Ahmet Burak","family":"Sat\u0131lm\u0131\u015f","sequence":"first","affiliation":[{"name":"Department of Orthopedics and Traumatology, Ta\u015fk\u00f6pr\u00fc State Hospital, Kastamonu 37400, Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0007-6268-9076","authenticated-orcid":false,"given":"Ahmet","family":"\u00dclker","sequence":"additional","affiliation":[{"name":"Department of Orthopedics and Traumatology, Mersin University, Mersin 33110, Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0005-5340-6826","authenticated-orcid":false,"given":"Zafer","family":"Uzunay","sequence":"additional","affiliation":[{"name":"Department of Orthopedics and Traumatology, Medicalpark Adana Hospital, Adana 01060, Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2363-0198","authenticated-orcid":false,"given":"Tolgahan","family":"Cengiz","sequence":"additional","affiliation":[{"name":"Department of Orthopedics and Traumatology, Ta\u015fk\u00f6pr\u00fc State Hospital, Kastamonu 37400, Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6885-1475","authenticated-orcid":false,"given":"Abdurrahim","family":"Temiz","sequence":"additional","affiliation":[{"name":"Department of Industrial Design Engineering, Karab\u00fck University, Karab\u00fck 78050, Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9354-3554","authenticated-orcid":false,"given":"Mustafa","family":"Ya\u015far","sequence":"additional","affiliation":[{"name":"Department of Industrial Design Engineering, Karab\u00fck University, Karab\u00fck 78050, Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8927-2664","authenticated-orcid":false,"given":"Tansel","family":"Mutlu","sequence":"additional","affiliation":[{"name":"Department of Orthopedics and Traumatology, Medicalpark Gebze Hospital, Kocaeli 41400, Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2039-7426","authenticated-orcid":false,"given":"Uygar","family":"Da\u015far","sequence":"additional","affiliation":[{"name":"Department of Orthopedics and Traumatology, Karab\u00fck University, Karab\u00fck 78050, Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2025,1,14]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1386","DOI":"10.2106\/JBJS.N.01141","article-title":"Prevalence of Total Hip and Knee Replacement in the United States","volume":"97","author":"Larson","year":"2015","journal-title":"J. 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