{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,8]],"date-time":"2026-02-08T10:16:45Z","timestamp":1770545805400,"version":"3.49.0"},"reference-count":34,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2021,3,9]],"date-time":"2021-03-09T00:00:00Z","timestamp":1615248000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["analyticalsciencejournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Engineering in Life Sciences"],"published-print":{"date-parts":[[2021,5]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>To investigate the mechanical and biomechanical properties of nickel\u2013titanium (Ni\u2013Ti) shape memory alloy scaphoid arc nail (NT\u2010SAN) fixator as well as study the surgical method of treating carpal scaphoid fractures and evaluate its clinical efficacy. (1) Static and dynamic bending tests with embedded axial bending fixture were conducted to study the mechanical properties. (2) To evaluate biomechanical strength and fatigue, 32 scaphoid samples were classified into four groups to perform the fixation rigidity test: intramedullary Kirschner fixation (group A), Kirschner straddle nail fixation (group B), screw nail fixation (group C), and NT\u2010SAN fixation (group D). Next, 24 scaphoid waist fracture models were classified to conduct fatigue experiments as follows: Kirschner straddle nail fixation (group E), screw nail fixation (group F), and NT\u2010SAN fixation (group G). (3) The Krimmer score chart was used for clinical evaluations. (1) NT\u2010SAN showed excellent mechanical performance and a long lifespan. (2) NT\u2010SAN was fixated with a strong intensity and an anti\u2010fatigue outcome. (3) Ninety\u2010eight interviewed patients were satisfied with the therapeutic effects of the arc nail (satisfaction rate: 95.92%). The designed strength and hardness of NT\u2010SAN corresponded with the anatomical characteristics of the scaphoid, and the designed mechanical properties met the biomechanical requirements of a scaphoid fracture. The fatigue strength can meet the requirements of bone healing after the scaphoid fracture. Clinical trials on NT\u2010SAN scaphoid fracture treatment have shown that the surgery is simple and the clinical results are satisfactory. The therapeutic level of NT\u2010SAN is III; thus, it is worth promoting.<\/jats:p>","DOI":"10.1002\/elsc.202000055","type":"journal-article","created":{"date-parts":[[2021,3,9]],"date-time":"2021-03-09T06:58:17Z","timestamp":1615273097000},"page":"294-302","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Evaluation of the mechanical properties and clinical application of nickel\u2013titanium shape memory alloy scaphoid arc nail"],"prefix":"10.1002","volume":"21","author":[{"given":"Muguo","family":"Song","sequence":"first","affiliation":[{"name":"Department of Orthopaedics 920th Hospital of Joint Logistics Support Force  Kunming Yunnan P. R. China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yongyue","family":"Su","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics 920th Hospital of Joint Logistics Support Force  Kunming Yunnan P. R. China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chuan","family":"Li","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics 920th Hospital of Joint Logistics Support Force  Kunming Yunnan P. R. China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yongqing","family":"Xu","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics 920th Hospital of Joint Logistics Support Force  Kunming Yunnan P. R. 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