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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="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Traumatology and Orthopedics of Russia</journal-id><journal-title-group><journal-title xml:lang="en">Traumatology and Orthopedics of Russia</journal-title><trans-title-group xml:lang="ru"><trans-title>Травматология и ортопедия России</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2311-2905</issn><issn publication-format="electronic">2542-0933</issn><publisher><publisher-name xml:lang="en">Vreden National Medical Research Center of Traumatology and Orthopedics</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">1577</article-id><article-id pub-id-type="doi">10.21823/2311-2905-2021-27-2-75-80</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Theoretical and experimental studies</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Теоретические и экспериментальные исследования</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="zh"><subject>Theoretical and experimental studies</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">The Optimal Surgical Needle for Tendon Suture: Cutting Edge or Reverse Cutting Edge?</article-title><trans-title-group xml:lang="ru"><trans-title>Оптимальная игла для шва сухожилий: традиционная режущая или обратно-режущая? Экспериментальное исследование</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0045-9319</contrib-id><name-alternatives><name xml:lang="en"><surname>Zolotov</surname><given-names>A. S.</given-names></name><name xml:lang="ru"><surname>Золотов</surname><given-names>А. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Aleksandr  S.  Zolotov —  Dr.  Sci.  (Med.),  Professor</p><p>Vladivostok</p></bio><bio xml:lang="ru"><p>Золотов  Александр  Сергеевич —  д-р  мед.  наук, профессор</p><p> г. Владивосток</p></bio><email>dalexpk@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7971-3174</contrib-id><name-alternatives><name xml:lang="en"><surname>Isokov</surname><given-names>S. Kh.</given-names></name><name xml:lang="ru"><surname>Исоков</surname><given-names>С. Хужамурот угли</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Sultonali  Isokov </p><p>Vladivostok</p></bio><bio xml:lang="ru"><p>Исоков  Султонали  Хужамурот-оглы —  студент  6-го курса</p><p>г. Владивосток</p></bio><email>sultanisakov5@gmail.com</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8344-6769</contrib-id><name-alternatives><name xml:lang="en"><surname>Isokova</surname><given-names>A. Kh.</given-names></name><name xml:lang="ru"><surname>Исокова</surname><given-names>А. Хужумурат кизи</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Aziza Isokova</p><p>Vladivostok</p></bio><bio xml:lang="ru"><p>Исокова  Азиза  Хужумурат-кызы —  студентка  5-го курса</p><p>г. Владивосток</p></bio><email>aziza19-99@mail.ru</email><xref ref-type="aff" rid="aff3"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Far Eastern Federal University</institution></aff><aff><institution xml:lang="ru">ФГАОУ ВО «Дальневосточный федеральный университет», Школа биомедицины</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="ru">Медицинский центр, Дальневосточный федеральный университет</institution></aff><aff><institution xml:lang="en">Far Eastern Federal University</institution></aff></aff-alternatives><aff id="aff3"><institution>ФГАОУ ВО «Дальневосточный федеральный университет», Школа биомедицины</institution></aff><pub-date date-type="pub" iso-8601-date="2021-07-13" publication-format="electronic"><day>13</day><month>07</month><year>2021</year></pub-date><volume>27</volume><issue>2</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>75</fpage><lpage>80</lpage><history><date date-type="received" iso-8601-date="2021-01-05"><day>05</day><month>01</month><year>2021</year></date><date date-type="accepted" iso-8601-date="2021-04-02"><day>02</day><month>04</month><year>2021</year></date></history><permissions><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://journal.rniito.org/jour/article/view/1577">https://journal.rniito.org/jour/article/view/1577</self-uri><abstract xml:lang="en"><p>Background. Achieving  a  durable  connection  between  the  lacerated  tendon  ends  is  difficult.  The  outcome  of  treatment depends on many factors. Several authors consider the properties of the surgical needle used for suturing the tendon to be important. The aim of the study— to compare the strength of the tendon suture applied with the conventional cutting edge and reverse cutting edge surgical needles in the experiment.</p><p>Materials and Methods.We used porcine tendons for the experiment. The tendon fragments were divided into 2 groups of 20 tendons each. On all 40 tendons, the same type of “injury” of the tendon was simulated — using a scalpel. In the first group, the interrupted suture of the tendon was applied with a cutting edge surgical needle, in the second group — reverse cutting edge. Laboratory tests of the tendon sutures strength were performed on the improvised stand.</p><p>Results.In the first (suture made with a cutting needle edge), diastasis of 2 mm was determined at an average load of 1219.5 g (m = ±76.56, where «m» is the representativeness error). Complete suture failure occurred at an average load of 1770.8 g (m = ±100.02). In this group, the thread rupture was not recorded. In the second group (a suture made with a reverse cutting edge needle), diastasis occurs with an average load of 1754.75 g (m = ±77.32). Complete suture failure occurred at an average load of 2571.25 (at m= ± 103.78). In three cases, the thread ruptured. In the second group (reverse cutting edge needle), the tendon suture strength was statistically significantly higher than in the first group.</p><p> Conclusion. The tendon suture strength depends on the surgical needle properties. In tendons  reconstruction  the  reverse  cutting  edge  needle  use  is  more  preferable  compared  to  the  conventional  cutting  edge needle use.</p></abstract><trans-abstract xml:lang="ru"><p>Повреждения сухожилий сгибателей и разгибателей пальцев кисти встречаются часто. Добиться прочного соединения концов поврежденного сухожилия непросто. Результат лечения зависит от многих факторов. Ряд авторов важным считают свойства используемой для шва сухожилия хирургической иглы. Цель исследования – сравнение прочности сухожильного шва, наложенного с помощью традиционной режущей и обратно–режущей хирургических игл в эксперименте. Для проведения эксперимента были использованы свиные сухожилия. Фрагменты сухожилий были разделены на 2 группы по 20 сухожилий в каждой. На всех (40) сухожилиях моделировалось однотипное «повреждение» сухожилия – с помощью скальпеля. В первой группе узловой шов сухожилия накладывался режущей хирургической иглой, во второй группе обратно–режущей.  Лабораторные испытания прочности сухожильных швов на разрыв проводились на стенде, который был изготовлен из подручных материалов. Во второй группе испытаний (обратно–режущая игла) прочность сухожильного шва оказалась достоверно выше, чем в первой группе. Прочность шва сухожилия зависит от свойств хирургической иглы. При восстановлении сухожилий использование обратно–режущей иглы более предпочтительно по сравнению с использованием традиционной режущей иглы. </p><p> </p></trans-abstract><kwd-group xml:lang="en"><kwd>surgical needle, tendon suture, strength of tendon suture</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>хирургическая игла</kwd><kwd>шов сухожилия</kwd><kwd>биомеханические свойства.</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>1. 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