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<article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">N.N. Priorov Journal of Traumatology and Orthopedics</journal-id><journal-title-group><journal-title xml:lang="en">N.N. Priorov Journal of Traumatology and Orthopedics</journal-title><trans-title-group xml:lang="ru"><trans-title>Вестник травматологии и ортопедии им. Н.Н. Приорова</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0869-8678</issn><issn publication-format="electronic">2658-6738</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">47155</article-id><article-id pub-id-type="doi">10.32414/0869-8678-2018-2-21-29</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">3D MODELLING AND PRINTING IN PRIMARY AND REVISION ARTHROPLASTY</article-title><trans-title-group xml:lang="ru"><trans-title>ПРИМЕНЕНИЕ 3D-МОДЕЛИРОВАНИЯ И ПРОТОТИПИРОВАНИЯ ПРИ ПЕРВИЧНОМ И РЕВИЗИОННОМ ЭНДОПРОТЕЗИРОВАНИИ</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zagorodniy</surname><given-names>N. V.</given-names></name><name xml:lang="ru"><surname>Загородний</surname><given-names>Н. В.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Chragyan</surname><given-names>G. A.</given-names></name><name xml:lang="ru"><surname>Чрагян</surname><given-names>Г. А.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Aleksanyan</surname><given-names>O. A.</given-names></name><name xml:lang="ru"><surname>Алексанян</surname><given-names>О. А.</given-names></name></name-alternatives><email>hovakim1992@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kagramanov</surname><given-names>S. V.</given-names></name><name xml:lang="ru"><surname>Каграманов</surname><given-names>С. В.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Polevoy</surname><given-names>E. V.</given-names></name><name xml:lang="ru"><surname>Полевой</surname><given-names>Е. В.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">N.N. Priorov National Medical Research Center of Traumatology and Orthopaedics</institution></aff><aff><institution xml:lang="ru">ФГБУ «Национальный медицинский исследовательский центр травматологии и ортопедии им. Н.Н. Приорова» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2018-06-15" publication-format="electronic"><day>15</day><month>06</month><year>2018</year></pub-date><volume>25</volume><issue>2</issue><issue-title xml:lang="en">VOL 0, NO2 (2018)</issue-title><issue-title xml:lang="ru">ТОМ 0, №2 (2018)</issue-title><fpage>21</fpage><lpage>29</lpage><history><date date-type="received" iso-8601-date="2020-10-19"><day>19</day><month>10</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2018, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2018, ООО "Эко-Вектор"</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="en">Eco-Vector</copyright-holder><copyright-holder xml:lang="ru">ООО "Эко-Вектор"</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2021-01-29"/></permissions><self-uri xlink:href="https://journals.eco-vector.com/0869-8678/article/view/47155">https://journals.eco-vector.com/0869-8678/article/view/47155</self-uri><abstract xml:lang="en"><p>Introduction. Acetabular arthroplasty in patients with the abnormal pelvic bone anatomy is a challenging task. In recent years the method of 3D modelling and printing of custom acetabular components is widely used at acetabular arthroplasty in patients with marked bone defects.Purpose of study: to evaluate the accuracy, convenience of the positioning and efficacy of the primary stabilization of custom acetabular components in patients with bone defects at primary and revision hip arthroplasty. Patients and methods. Eighteen surgical interventions using 3D modelling and printing, i.e. 12 for hip instability, 6 — for posttraumatic coxarthrosis were performed. The study included 9 women and 9 men with mean age 60.9±15.8 years. By Paprosky classification in 2 cases the defects corresponded to Type I, in1 case — Type IIA, in 4 cases — Type IIB (posttraumatic coxarthrosis), in 2 cases — Type IIIA, in 10 — Type IIIB out of them 2 cases with pelvic bone separation. Custom components were produced using the method of direct metal laser sintering (DMLS). The whole technologic process took from 4 to 8 weeks and was conducted jointly with the engineers. Results. Exact match of implant form and the defect was observed in 89.9% of cases. In 2 patients with pelvic bone separation additional correction of bone structures was required when placing the acetabular component. In radiograph from 2 to 8 months after surgery the constructions were stable.Conclusion. 3D technology for the custom-made acetabular components is a method of resolving the problem in patients with marked acetabular defects. It enables to plan the surgery, simplifies the choice for screws positioning avoiding their interference. The design features of the implant are three rigid flanges with screw holes that create additional contact with intact parts of the ischial, iliac and pubic bones. Screw fixation ensures initial rigid stability until the biological fixation is achieved.</p></abstract><trans-abstract xml:lang="ru"><p>Введение. Эндопротезирование вертлужной впадины у больных с нарушением нормальной анатомии тазовой кости является трудной задачей. Последние несколько лет в нашей стране при эндопротезировании вертлужной впадины с выраженными дефектами кости активно стал применяться метод 3D-моделирования и прототипирования индивидуальных вертлужных конструкций.Цель исследования: оценить точность, удобство установки и эффективность первичной стабилизации индивидуальных вертлужных компонентов у пациентов с костными дефектами при первичном и ревизионном эндопротезировании тазобедренного сустава.Материалы и методы. Было выполнено 18 оперативных вмешательств с использованием технологии 3D-моделирования и прототипирования, из них 12 по поводу нестабильности тазобедренного сустава, 6 — посттравматического коксартроза. Среди прооперированных было 9 женщин и 9 мужчин, средний возраст которых составил 60,9±15,8 года. По классификации Paprosky дефекты в 1 случае соответствовали типу I, в 1 — типу IIA, в 4 — типу IIB (посттравматический коксартроз), в 2 — типу IIIA, в 10 — типу IIIB, из них 2 с нарушением целостности тазовой кости. При изготовлении индивидуальной конструкции использовали метод прямого лазерного спекания металлов (DMLS). Весь технологический процесс занимал от 4 до 8 нед и осуществлялся в тесном сотрудничестве с инженерами.Результаты. Точное совпадение формы имплантата и дефекта наблюдалось в 89,9% случаев. У 2 (11,1%) пациентов с нарушением целостности тазовой кости требовалась дополнительная корректировка костных структур при установке и адаптации имплантата во впадине. При сроках наблюдения от 2 до 8 мес на рентгенограммах конструкции стабильны.Заключение. 3D-технология изготовления индивидуальных вертлужных компонентов является методом решения проблемы лечения пациентов с выраженными дефектами вертлужной впадины. Она позволяет планировать операцию, облегчает выбор позиционирования винтов, избегая их интерференции. Конструктивные особенности имплантата в виде трех жестких фланцев с отверстиями под винты обеспечивают дополнительные участки контакта с интактными частями седалищной, подвздошной и лонной костей, а за счет фиксации винтами достигается первоначальная жесткая стабильность до достижения биологической фиксации.</p></trans-abstract><kwd-group xml:lang="en"><kwd>hip joint</kwd><kwd>revision arthroplasty</kwd><kwd>posttraumatic coxarthrosis</kwd><kwd>acetabular defect</kwd><kwd>custom acetabular component</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>тазобедренный сустав</kwd><kwd>ревизионное эндопротезирование</kwd><kwd>посттравматический коксартроз</kwd><kwd>дефект вертлужной впадины</kwd><kwd>индивидуальный вертлужный компонент</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Мурылев В.Ю. Ревизионная артропластика тазобедренного сустава при асептическом расшатывании эндопротеза: Автореф. дис. ... д-ра мед. наук. 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