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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">Science and Innovations in Medicine</journal-id><journal-title-group><journal-title xml:lang="en">Science and Innovations in Medicine</journal-title><trans-title-group xml:lang="ru"><trans-title>Наука и инновации в медицине</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2500-1388</issn><issn publication-format="electronic">2618-754X</issn><publisher><publisher-name xml:lang="en">FSBEI of Higher Education SamSMU of Ministry of Health of the Russian Federation</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">110891</article-id><article-id pub-id-type="doi">10.35693/2500-1388-2022-7-4-275-280</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Traumatology and Orthopedics</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Травматология и ортопедия</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">A new method of distal blocking of intramedullary implants</article-title><trans-title-group xml:lang="ru"><trans-title>Новый способ дистального блокирования интрамедуллярных имплантатов</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2133-6510</contrib-id><name-alternatives><name xml:lang="en"><surname>Varfolomeev</surname><given-names>Denis I.</given-names></name><name xml:lang="ru"><surname>Варфоломеев</surname><given-names>Денис Игоревич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, orthopedic traumatologist, postgraduate student of the Department of Traumatology and orthopedics</p></bio><bio xml:lang="ru"><p>канд. мед. наук, врач травматолог-ортопед, слушатель кафедры травматологии и ортопедии</p></bio><email>d.i.burdenko@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Voronezh State Medical University named after N.N. Burdenko</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Воронежский государственный медицинский университет имени Н.Н. Бурденко» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2022-12-02" publication-format="electronic"><day>02</day><month>12</month><year>2022</year></pub-date><volume>7</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>275</fpage><lpage>280</lpage><history><date date-type="received" iso-8601-date="2022-09-12"><day>12</day><month>09</month><year>2022</year></date><date date-type="accepted" iso-8601-date="2022-10-24"><day>24</day><month>10</month><year>2022</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2022, Varfolomeev D.I.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2022, Варфоломеев Д.И.</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="en">Varfolomeev D.I.</copyright-holder><copyright-holder xml:lang="ru">Варфоломеев Д.И.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://innoscience.ru/2500-1388/article/view/110891">https://innoscience.ru/2500-1388/article/view/110891</self-uri><abstract xml:lang="en"><p><bold>Aim</bold> – to assess the capabilities of the developed method and device for distal blocking of intramedullary implants.</p> <p><bold>Material and methods.</bold> An experimental study on the tibia models was performed in the settings of the Department of Traumatology and orthopedics of the Voronezh State Medical University. The main group included 10 models on which the blocking was done using the developed method. In the control group (10 models) the "free hand" method was used. The study evaluated the following parameters: the duration of blocking, the time of X-ray exposure, the number of blocking attempts.</p> <p><bold>Results.</bold> In the main group, the duration of distal blocking procedure was significantly shorter than in the control group (T-criterion = -36.0; p &lt; 0.05). The time of X-ray exposure in the main group was also less than in the control group (T-test = -30.2, p &lt; 0.05). The number of blocking attempts in the control group was higher than in the main group (U-criterion = 20, p = 0.02). In the main group, all screws were inserted at the first attempt. In the control group, drilling holes past the pin holes was noted.</p> <p><bold>Conclusion. </bold>The developed method and the device for its implementation are universal. They can be used with most intramedullary pins and revision femoral components of a hip endoprosthesis, both cannulated and non-cannulated.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Цель</bold> – оценить возможности разработанного способа и устройства для дистального блокирования интрамедуллярных имплантатов.</p> <p><bold>Материал и методы.</bold> Проведено экспериментальное исследование на моделях большеберцовых костей на базе кафедры травматологии и ортопедии ВГМУ им. Н.Н. Бурденко. В основной группе (10 моделей) блокирование осуществляли с использованием разработанного способа, в контрольной (10 моделей) – с применением метода «свободной руки». Оценивали следующие параметры: продолжительность блокирования, продолжительность рентгеновского излучения, количество попыток блокирования.</p> <p><bold>Результаты. </bold>В основной группе продолжительность выполнения дистального блокирования была значительно меньше, чем в контрольной (Т-критерий = -36,0; р &lt; 0,05). Продолжительность рентгеновского излучения в основной группе также была меньше, чем в контрольной (Т-критерий = -30,2, р &lt; 0,05). Количество попыток блокирования в контрольной группе было выше, чем в основной (U-критерий = 20, р = 0,02). В основной группе все винты были введены с первого раза. В контрольной группе отмечалось просверливание отверстий мимо отверстий штифта.</p> <p><bold>Заключение.</bold> Разработанный способ и устройство для его реализации являются универсальными. Они могут быть использованы с большинством интрамедуллярных штифтов и ревизионных бедренных компонентов эндопротеза тазобедренного сустава, как канюлированных, так и неканюлированных.</p></trans-abstract><kwd-group xml:lang="en"><kwd>intramedullary implants</kwd><kwd>distal block</kwd><kwd>osteosynthesis</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>интрамедуллярные имплантаты</kwd><kwd>дистальное блокирование</kwd><kwd>остеосинтез</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Yinsheng W, Bing H, Zhigang S, et. al. Comparison of free-hand ﬂuoroscopic guidance and electromagnetic navigation in distal locking of tibia intramedullary nails. Medicine. 2018;97:27 e11305. doi: 10.1097/MD.0000000000011305</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Dyatel SV, Dyatel VV. Distal blocking in closed intramedullary osteosynthesis of tibial fractures. Difficulties and solutions. 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