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<article article-type="research-article" dtd-version="1.3" 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" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">misss</journal-id><journal-title-group><journal-title xml:lang="ru">Минимально инвазивная сердечно-сосудистая хирургия</journal-title><trans-title-group xml:lang="en"><trans-title>Minimally Invasive Cardiovascular Surgery</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">3033-5426</issn><issn pub-type="epub">3033-5434</issn><publisher><publisher-name>ФГБУ «НМИЦ хирургии им. А.В. Вишневского» Минздрава России</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.64218/3033-5426-2025-1-4-27-32</article-id><article-id custom-type="elpub" pub-id-type="custom">misss-136</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES</subject></subj-group></article-categories><title-group><article-title>Численно-экспериментальное исследование концепта стент-графта коронарной артерии (reprint)</article-title><trans-title-group xml:lang="en"><trans-title>Numerical and experimental study of a coronary artery stent-graft concept (reprint)</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3211-1250</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Клышников</surname><given-names>К. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Klyshnikov</surname><given-names>K. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Клышников Кирилл Юрьевич – к.м.н., научный сотрудник лаборатории новых биоматериалов </p><p>650002, г. Кемерово, ул. Сосновый бульвар, 6 </p></bio><bio xml:lang="en"><p>Kirill Yu. Klyshnikov – PhD, Researcher, Laboratory of Novel Biomaterials </p><p>6, Sosnovy Blvd., Kemerovo, 650002 </p></bio><email xlink:type="simple">klyshku@kemcardio.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7477-3979</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Овчаренко</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Ovcharenko</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Овчаренко Евгений Андреевич – к.т.н., заведующий лабораторией новых биоматериалов </p><p>650002, г. Кемерово, ул. Сосновый бульвар, 6 </p></bio><bio xml:lang="en"><p>Evgeny A. Ovcharenko – PhD, Head of the Laboratory of Novel Biomaterials </p><p>6, Sosnovy Blvd., Kemerovo, 650002 </p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4405-8904</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Резвова</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Rezvova</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Резвова Мария Александровна – младший научный сотрудник лаборатории новых биоматериалов </p><p>650002, г. Кемерово, ул. Сосновый бульвар, 6 </p></bio><bio xml:lang="en"><p>Maria A. Rezvova – Junior Researcher, Laboratory of Novel Biomaterials </p><p>6, Sosnovy Blvd., Kemerovo, 650002 </p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4890-0393</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Глушкова</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Glushkova</surname><given-names>T. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Глушкова Татьяна Владимировна – к.б.н, старший научный сотрудник лаборатории новых биоматериалов </p><p>650002, г. Кемерово, ул. Сосновый бульвар, 6 </p></bio><bio xml:lang="en"><p>Tatyana V. Glushkova – PhD, Senior Researcher, Laboratory of Novel Biomaterials </p><p>6, Sosnovy Blvd., Kemerovo, 650002 </p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6981-9661</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Барбараш</surname><given-names>Л. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Barbarash</surname><given-names>L. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Барбараш Леонид Семенович – д.м.н., профессор, академик РАН, главный научный сотрудник </p><p>650002, г. Кемерово, ул. Сосновый бульвар, 6 </p></bio><bio xml:lang="en"><p>Leonid S. Barbarash – MD, PhD, Professor, Academician of the Russian Academy of Sciences, Chief Researcher </p><p>6, Sosnovy Blvd., Kemerovo, 650002 </p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБУ «Научно-­исследовательский институт комплексных проблем сердечно-­сосудистых заболеваний»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>FSBRI “Research Institute for Complex Issues of Cardiovascular Diseases”</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>21</day><month>04</month><year>2026</year></pub-date><volume>2</volume><issue>1</issue><fpage>30</fpage><lpage>39</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Клышников К.Ю., Овчаренко Е.А., Резвова М.А., Глушкова Т.В., Барбараш Л.С., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Клышников К.Ю., Овчаренко Е.А., Резвова М.А., Глушкова Т.В., Барбараш Л.С.</copyright-holder><copyright-holder xml:lang="en">Klyshnikov K.Y., Ovcharenko E.A., Rezvova M.A., Glushkova T.V., Barbarash L.S.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://misss.elpub.ru/jour/article/view/136">https://misss.elpub.ru/jour/article/view/136</self-uri><abstract><sec><title>Актуальность</title><p>Актуальность: перфорации коронарных артерий, возникающие в результате малоинвазивных диагностических и лечебных процедур, требуют немедленного устранения, вследствие высокого риска летального исхода, сопровождающего данное осложнение. Одним из вариантов закрытия перфораций является имплантация коронарного стент-графта – устройства, герметизирующего поврежденную сосудистую стенку за счет наличия внешней мембраны.</p></sec><sec><title>Цель</title><p>Цель: настоящее исследование посвящено численно-экспериментальной оценке некоторых перспективных экспериментальных полимерных материалов, которые могут быть использованы в качестве такой мембраны при разработке отечественного стентграфта для коронарных артерий.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы: исследование проведено в два последовательных этапа: оценка физико-механических характеристик потенциальных полимеров-кандидатов (политетрафторэтилен, стирол-и зобутилен-стирол, поливиниловый спирт) и численное моделирование биомеханики коронарного стент-графта при придании ему рабочего диаметра. Первый этап – исследование свойств полимеров, проводили на универсальной испытательной машине «Zwick/Roell»-2.5Н (Zwick/Roell, Германия) в условиях одноосного теста растяжения. Численное моделирование проводили методом конечных элементов в среде Abaqus/CAE (Dassault Systemes, Франция), придавая модели стент-графта приращение диаметра в 50% относительно исходного.</p></sec><sec><title>Результаты</title><p>Результаты: в ходе первого этапа исследования показано, что наибольшую деформацию при растяжении способен испытывать сополимер стирол-изобутилен-стирол, достигший удлинения разрыва в 744,9 [737,0-837,8]% относительно исходного размера. Другие полимеры продемонстрировали значительно меньшие, но также удовлетворительные, амплитуды данного показателя: образцы из политетрафторэтилена разрушились при растяжении до 274,4 [270,9-280,4]%; из поливинилового спирта – при 384,9 [313,4 390,6]%. Численное моделирование для всех материалов продемонстрировало умеренные амплитуды напряжения по Мизесу, не превышающее предела прочности. Максимум, достигнутый материалами, составил 7,50 МПа для политетрафторэтилена, 2,80 МПа – для сополимера стирол-изобутилен-стирол, 0,08 МПа – для поливинилового спирта.</p></sec><sec><title>Заключение</title><p>Заключение: в целом, все исследованные материалы показали удовлетворительные результаты с позиции применимости в качестве мембраны для стент-графта, однако перспективным среди них оказался сополимер стирол-изобутилен-стирол. Именно на использование данного материала и следует в первую очередь фокусировать акцент при дальнейшем прототипировании данного изделия.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Background</title><p>Background: сoronary artery perforations following minimally invasive diagnostic and therapeutic procedures require urgent treatment due to the high risk of death. The implantation of a coronary stent graft is the strategy of choice to treat free perforations. One of the options for perforation closure is the implantation of a coronary stent‑graft — a device that seals the damaged vascular wall by means of an external membrane.</p></sec><sec><title>Aim</title><p>Aim: to perform numerical and experimental evaluation of several promising experimental polymer materials that could be used as such a membrane in the development of a domestic stent‑graft for coronary arteries.</p></sec><sec><title>Materials and methods</title><p>Materials and methods: the study was conducted in two consecutive stages: assessment of the physical and mechanical characteristics of candidate polymers (polytetrafluoroethylene, styrene‑isobutylene‑styrene copolymer, polyvinyl alcohol) and numerical simulation of the coronary stent‑graft biomechanics during its expansion to the working diameter. The first stage — investigation of polymer properties — was performed on a Zwick/Roell‑2.5H universal testing machine (Zwick/Roell, Germany) under uniaxial tensile testing conditions. Numerical simulation was carried out using the finite element method in Abaqus/CAE software (Dassault Systemes, France), with the stent‑graft model diameter increased by 50% relative to the initial one.</p></sec><sec><title>Results</title><p>Results: during the first stage, it was shown that the styrene‑isobutylene‑styrene copolymer experienced the greatest tensile strain, reaching an elongation at break of 744.9 [737.0–837.8]% relative to the initial size. The other polymers demonstrated significantly lower, though still satisfactory, values of this parameter: polytetrafluoroethylene samples failed at an elongation of 274.4 [270.9–280.4]%; polyvinyl alcohol — at 384.9 [313.4–390.6]%. Numerical simulation for all materials revealed moderate von Mises stress amplitudes not exceeding the tensile strength. The maximum stress values were 7.50 MPa for polytetrafluoroethylene, 2.80 MPa for styrene‑isobutylene‑styrene copolymer, and 0.08 MPa for polyvinyl alcohol.</p></sec><sec><title>Conclusion</title><p>Conclusion: overall, all investigated materials showed satisfactory results in terms of their suitability as a membrane for a stent‑graft; however, the styrene‑isobutylene‑styrene copolymer appeared to be the most promising. Further prototyping of the device should primarily focus on the use of this material.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>перфорация коронарной артерии</kwd><kwd>чрескожное вмешательство</kwd><kwd>коронарография</kwd><kwd>метод конечных элементов</kwd><kwd>деформация</kwd><kwd>напряжение по Мизесу</kwd></kwd-group><kwd-group xml:lang="en"><kwd>coronary artery perforation</kwd><kwd>percutaneous coronary intervention</kwd><kwd>coronary angiography</kwd><kwd>finite element analysis</kwd><kwd>strain</kwd><kwd>von Mises stress</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Данная работа выполнена в рамках фундаментальной темы No0419­2022­0001 «Молекулярные, клеточные и биомеханические механизмы патогенеза сердечно­сосудистых заболеваний в разработке новых методов лечения заболеваний сердечно­сосудистой системы на основе персонифицированной фармакотерапии, внедрения малоинвазивных медицинских изделий, биоматериалов и тканеинженерных имплантатов» (научный руководитель – академик РАН Л.С. Барбараш).</funding-statement><funding-statement xml:lang="en">This work was carried out within the framework of the fundamental topic No. 0419­2022­0001 "Molecular, Cellular, and Biomechanical Mechanisms of Cardiovascular Disease Pathogenesis in the Development of New Treatment Methods Based on Personalized Pharmacotherapy, the Introduction of Minimally Invasive Medical Devices, Biomaterials, and Tissue­Engineered Implants" (Scientific Supervisor: Academician of the Russian Academy of Sciences L.S. Barbarash.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Shaukat A., Tajti P., Sandoval Y. et al. Incidence, predictors, management and outcomes of coronary perforations. Catheter Cardiovasc Interv. 2019; 93(1):48–56. DOI: 10.1002/ccd.27706</mixed-citation><mixed-citation xml:lang="en">Shaukat A., Tajti P., Sandoval Y. et al. 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