{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,10]],"date-time":"2026-02-10T19:33:16Z","timestamp":1770751996629,"version":"3.50.0"},"reference-count":19,"publisher":"Georg Thieme Verlag KG","issue":"01","license":[{"start":{"date-parts":[[2021,2,19]],"date-time":"2021-02-19T00:00:00Z","timestamp":1613692800000},"content-version":"vor","delay-in-days":18,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Rev Bras Ortop (Sao Paulo)"],"published-print":{"date-parts":[[2021,2]]},"abstract":"<jats:title>Resumo<\/jats:title><jats:p>\n          Objetivo\u2003Construir um prot\u00f3tipo virtual de um dispositivo de fixa\u00e7\u00e3o circular externa para fraturas em ossos longos com dinamiza\u00e7\u00e3o controlada a partir de dois materiais diferentes e prever seu comportamento mec\u00e2nico por meio da an\u00e1lise de elementos finitos AEF).<\/jats:p><jats:p>\n          M\u00e9todo\u2003Modelos tridimensionais compostos de duas pe\u00e7as met\u00e1licas unidas por uma junta deslizante em rabo de andorinha e um amortecedor de silicone de alta densidade foram criados em um software. An\u00e1lises de elementos finitos distintas foram simuladas considerando dois materiais (a\u00e7o inoxid\u00e1vel ou tit\u00e2nio), modos (bloqueado ou dinamizado) e condi\u00e7\u00f5es de carregamento (est\u00e1tico\/pontual ou din\u00e2mico\/0,5 segundo) diferentes com carga axial uniforme de 150\u2009kg na por\u00e7\u00e3o superior do dispositivo.<\/jats:p><jats:p>\n          Resultados\u2003O modelo de elementos finitos (EFs) apresentou 81.872 n\u00f3s e 45.922 elementos. Com a\u00e7o inoxid\u00e1vel, o pico de tens\u00e3o m\u00e1xima (140,98 MPa) foi alcan\u00e7ado com o dispositivo bloqueado e sob carga est\u00e1tica, enquanto o maior deslocamento (2.415\u2009\u00d7\u200910\u22123 mm) foi obtido com o dispositivo bloqueado e sob carga din\u00e2mica. Com tit\u00e2nio, o pico de tens\u00e3o m\u00e1xima (141,45 MPa) ocorreu com o dispositivo bloqueado e sob carga est\u00e1tica, enquanto o maior deslocamento (3.975\u2009\u00d7\u200910\u22123 mm) foi observado com o dispositivo bloqueado e sob carga din\u00e2mica.<\/jats:p><jats:p>\n          Conclus\u00e3o\u2003O prot\u00f3tipo do dispositivo desempenhou o papel de suporte de tens\u00e3o com deforma\u00e7\u00e3o aceit\u00e1vel nos dois modos, bloqueado ou dinamizado, e pode ser fabricado com a\u00e7o inoxid\u00e1vel ou tit\u00e2nio.<\/jats:p>","DOI":"10.1055\/s-0040-1721368","type":"journal-article","created":{"date-parts":[[2021,2,20]],"date-time":"2021-02-20T00:17:03Z","timestamp":1613780223000},"page":"036-041","source":"Crossref","is-referenced-by-count":7,"title":["An\u00e1lise de elementos finitos de um dispositivo de dinamiza\u00e7\u00e3o controlada para fixa\u00e7\u00e3o circular externa"],"prefix":"10.1055","volume":"56","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6163-5147","authenticated-orcid":false,"given":"Fernando Ferraz","family":"Faria","sequence":"additional","affiliation":[{"name":"Escola de Ci\u00eancias da Vida, Departamento de Ci\u00eancias da Sa\u00fade, Pontif\u00edcia Universidade Cat\u00f3lica do Paran\u00e1 (PUCPR), Curitiba, Paran\u00e1, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7218-0536","authenticated-orcid":false,"given":"Carlos Eduardo Miers","family":"Gruhl","sequence":"additional","affiliation":[{"name":"Escola de Ci\u00eancias da Vida, Departamento de Ci\u00eancias da Sa\u00fade, Pontif\u00edcia Universidade Cat\u00f3lica do Paran\u00e1 (PUCPR), Curitiba, Paran\u00e1, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7272-7530","authenticated-orcid":false,"given":"Rafaela Rebonato","family":"Ferro","sequence":"additional","affiliation":[{"name":"Departamento de Ortopedia e Traumatologia, Hospital Universit\u00e1rio Cajuru, Pontif\u00edcia Universidade Cat\u00f3lica do Paran\u00e1 (PUCPR), Curitiba, Paran\u00e1, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4667-6762","authenticated-orcid":false,"given":"Rodrigo Nunes","family":"Rached","sequence":"additional","affiliation":[{"name":"Programa de P\u00f3s-Gradua\u00e7\u00e3o em Odontologia, Faculdade de Ci\u00eancias da Vida, Pontif\u00edcia Universidade Cat\u00f3lica do Paran\u00e1 (PUCPR), Curitiba, Paran\u00e1, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9448-7352","authenticated-orcid":false,"given":"Jamil Faissal","family":"Soni","sequence":"additional","affiliation":[{"name":"Programa de P\u00f3s-Gradua\u00e7\u00e3o em Medicina, Pontif\u00edcia Universidade Cat\u00f3lica do Paran\u00e1 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