УСТРОЙСТВО ДЛЯ ВОССТАНОВЛЕНИЯ СУСТАВА ЧЕЛОВЕКА ИЛИ ЖИВОТНОГО

Группа изобретений относится к медицине, а именно к устройству для лечения сустава человека или животного, причем указанный сустав имеет две суставные поверхности, содержит два суставных элемента и временно устанавливаемый соединительный элемент. Два суставных элемента проявляют относительно друг друга по меньшей мере ограниченные суставные свойства и содержат средства крепления к одной из указанных суставных поверхностей посредством материала, имеющего термопластические свойства, и энергии колебаний. Материал, имеющий термопластические свойства, размещен на внешних сторонах каждого суставного элемента. Временно устанавливаемый соединительный элемент размещен с возможностью отсоединения между двумя указанными элементами или вокруг двух указанных суставных элементов и соединяет указанные два суставных элемента с образованием жесткого, не проявляющего суставные свойства единого элемента. Способ лечения сустава человека или животного по первому варианту, причем указанный сустав имеет две суставные ...

Способ коррекции врождённой деформации позвоночника при нарушении формирования позвонков у детей

Изобретение может быть использовано в медицине, а именно в травматологии и ортопедии, для коррекции врожденной деформации позвоночника при нарушении формирования позвонков у детей. Проводят удаление тела аномального позвонка из переднебокового доступа с формированием клиновидного дефекта между выше- и нижележащими позвонками. Затем выполняют частичную резекцию суставных отростков выше- и нижележащих позвонков. Выполняют плотное совмещение суставных отростков выше- и нижележащих позвонков с одновременной трехмерной коррекцией позвоночника транспедикулярной металлоконструкцией, установленной и закрепленной на выше- и нижележащих позвонках. Затем выполняют передний корпородез фрагментом корня дуги аномального позвонка. 6 ил., 1 пр.

МЕДИЦИНСКАЯ СИСТЕМА

Изобретение относится к медицинской технике, а именно к медицинской системе для проникновения в анатомическую структуру пациента, которая содержит ткани с разными способностями проводить электрический ток. Система содержит корпус, первый и второй электроды, электрический генератор и устройство обработки. Корпус выполнен с возможностью проникновения в анатомическую структуру и имеет наружную поверхность. Первый электрод содержит первую контактную поверхность на наружной поверхности корпуса для вхождения в контакт с тканями анатомической структуры. Второй электрод содержит вторую контактную поверхность на наружной поверхности корпуса для вхождения в контакт с тканями анатомической структуры на расстоянии от первой контактной поверхности. Электрический генератор выполнен с возможностью подачи электрического тока между первой и второй контактными поверхностями. Устройство обработки выполнено с возможностью определять электрическую характеристику, отображающую способность ткани анатомической ...

СПОСОБ КОРРЕКЦИИ КИФОТИЧЕСКОЙ ДЕФОРМАЦИИ В ГРУДНОМ ОТДЕЛЕ ПОЗВОНОЧНОГО СТОЛБА У РАСТУЩИХ СОБАК

Изобретение относится к медицине, а именно к ветеринарии, и может быть использовано для коррекции кифотической деформации в грудном отделе позвоночного столба у растущих собак. В ходе коррекции кифотической деформации в области деформации осуществляют трансторакальный доступ к телам позвонков, с обнажением их вентро-латеральной поверхности. Проводят фенестрацию межпозвонкового диска хирургической фрезой. На уровне деформации в тела позвонков в зоне деформации проводят по одному мультиаксиальному винту, а также по одному мультиаксиальному винту в тела грудных позвонков краниальнее и каудальнее деформации. Винты проводят бикортикально. Затем проводят фиксирующую балку, осуществляют дистракцию до расправления области деформации и фиксируют балку в винтах. Затем в грудные позвонки краниальнее и каудальнее установленной конструкции проводят ещё по одному мультиаксиальному винту и фиксируют их балкой. Способ обеспечивает снижение ятрогенных рисков повреждения спинного мозга в процессе выполнения ...

Способ восстановления опороспособности позвоночника при проведении ревизионных операций после развития нестабильности ранее установленных транспедикулярных конструкций

Изобретение относится к спинальной хирургии и может быть применимо для восстановления опороспособности позвоночника при проведении ревизионных операций после развития нестабильности ранее установленных транспедикулярных конструкций. Удаляют нестабильные транспедикулярные винты. Зачищают каналы винтов от развившейся фиброзной ткани. Из костного цемента формируют пластичные шарики, раскатывают их и вводят в оставшиеся от удаленных винтов каналы с плотной их пломбировкой. Не дожидаясь окончательной полимеризации и застывания цемента, формируют новые каналы под углом к предыдущим, с пересечением их хода. По вновь созданным каналам вводят ранее удаленные винты. Способ обеспечивает надёжную рефиксацию позвоночника. 4 ил.

Способ хирургического лечения спондилолистеза IV степени с использованием остеоиндуктивного материала, импрегнированного далбаванцином и/или цефтобипролом

Изобретение относится к медицине, а именно к травматологии и ортопедии, и может быть использовано для хирургического лечения спондилолистеза высокой степени с использованием остеоиндуктивного материала импрегнированного далбаванцином и/или цефтобипролом. В предоперационном периоде определяют методом многослойной спиральной компьютерной томографии пространственную визуализацию пораженных спондилолистеза высокой степени костных анатомических структур позвоночника, методом магнитно-резонансной томографии оценивают состояние окружающих мягких тканей, сосудистых и нервных структур. В положении пациента на животе, после осуществления анестезиологического пособия, выполняют разрез кожного покрова над остистыми отростками позвоночника с последующим рассечением подкожной клетчатки и собственной фасции, выполняют ламинэктомию L5 и S1 позвонков, фораминотомию L5-S1 с обеих сторон. Формируют под контролем ЭОП с использованием последовательного набора сверл с нарастающим диаметром канал диаметром 14 ...

СПОСОБ ФИКСАЦИИ ПОЗВОНКА ПРИ СПОНДИЛОЛИЗЕ И СПОНДИЛОЛИСТЕЗЕ 1 СТЕПЕНИ

Изобретение относится к медицине, а именно к травматологии, ортопедии и нейрохирургии, и может быть использовано для фиксации позвонка при спондилолизе и спондилолистезе 1 степени. Фиксацию зоны спондилолиза осуществляют системой, включающей два транспедикулярных винта и один стержень, изогнутый дугообразно и установленный поперечно продольной оси позвоночника. Для этого в тело спондилолизного позвонка билатерально устанавливают два транспедикулярных винта, выполняют обработку зоны спондилолиза от рубцовой ткани, моделируют стержень, изгибая в форме дуги, и проводят его в поперечном направлении от головки первого винта над нижним суставным отростком, под остистым отростком и далее на противоположную сторону над нижним суставным отростком к головке второго винта. Стержень укладывают в головки винтов, выполняют компрессионный маневр и фиксируют стержень гайками к головкам винтов, раны ушивают. Способ обеспечивает стабилизацию позвонков зоны спондилолиза, исключение гипермобильности в данной ...

Способ хирургического лечения спондилолистеза с использованием остеоиндуктивного материала

Изобретение относится к медицине, а именно к травматологии и ортопедии, и может быть использовано для хирургического лечения спондилолистеза с использованием остеоиндуктивного материала. В предоперационном периоде определяют методом многослойной спиральной компьютерной томографии пространственную визуализацию пораженных спондилолистезом костных анатомических структур позвоночника, методом магнитно-резонансной томографии оценивают состояние окружающих мягких тканей, сосудистых и нервных структур. При положении пациента на животе, после анестезиологического пособия, выполняют разрез кожного покрова над остистыми отростками позвоночника с последующим рассечением подкожной клетчатки и собственной фасции. Выполняют ламинэктомию L5 и S1 позвонков, фораминотомию L5-S1 с обеих сторон. Формируют под контролем ЭОП с использованием последовательного набора сверл с нарастающим диаметром канал диаметром 14-15 мм через тело позвонка S1 и через межпозвонковый диск L5-S1 в тело позвонка L5 без выхода за ...

Способ лечения застарелого перелома зубовидного отростка С2 шейного позвонка

Изобретение относится к медицине и может быть использовано для хирургического лечения застарелого перелома зубовидного отростка С2 шейного позвонка. Выполняют доступ по Кловарду. Через точку, расположенную на середине переднего края нижней замыкательной пластинки C2 шейного позвонка, проводят спицу Киршнера в вершину зубовидного отростка. По спице полой фрезой формируют канал через тело позвонка, зону перелома, ведущий в зубовидный отросток. В сформированный канал устанавливают костный аутотрансплантат. Через середину переднего края нижней замыкательной пластинки C2 шейного позвонка по направлению к заднему краю верхушки зубовидного отростка проводят спицу Киршнера, по которой вводят канюлированный компрессионный винт до заднего края верхушки зубовидного отростка, компримируя отломки. Способ позволяет обеспечить стабильность в зоне перелома, устранить интерпозицию грануляционной и склерозированной костной ткани, снизить риск инфекционных осложнений. 7 ил.

Способ хирургической коррекции основной дуги сколиотической деформации грудопоясничного отдела позвоночника с использованием полимерного кейджа при вентральной динамической коррекции

Изобретение относится к медицине, а именно к травматологии и ортопедии, и может быть использовано для коррекции основной дуги сколиотической деформации грудопоясничного отдела позвоночника с использованием полимерного кейджа при вентральной динамической коррекции. Выполняют тораколюмбарный разрез кожного покрова и подкожно-жировой клетчатки с визуализацией грудопоясничного отдела с продлением разреза в направлении наружной косой мышцы живота на 3-5 см спереди с рассечением париетальной плевры по длине планируемой фиксации. Скелетируют переднебоковую часть тел позвонков, идентифицируют сегментарные сосуды, коагулируют и рассекают с сохранением коллатерального кровообращения между сегментарными артериями в межпозвонковом отверстии, с расширением доступа каудально в направлении мышечных волокон наружной косой мышцы живота с мобилизацией брюшины от квадратной мышцы поясницы и подвздошной мышцы, отделением брюшины от задней и боковой брюшной стенки и диафрагмы с последующим пересечением внутренней ...

СПОСОБ ВОССТАНОВЛЕНИЯ БАЛАНСА ПОЗВОНОЧНИКА ПРИ ВРОЖДЕННОЙ И СИСТЕМНОЙ ДЕФОРМАЦИИ ШЕЙНОГО ОТДЕЛА

Изобретение относится к медицине, а именно к неврологии и спинальной хирургии, и может быть использовано для восстановления баланса позвоночника при врожденной и системной деформации шейного отдела. Выполняют хирургический доступ к шейному отделу позвоночника, выполняют коррекцию деформации и установку транспедикулярной системы фиксации. В положении пациента на боку, противоположном полупозвонку, выполняют вертикальный разрез в проекции полупозвонка, производят выделение поперечного отростка полупозвонка и визуализацию выше и ниже лежащих спинно-мозговых нервов. Проводят удаление поперечного отростка полупозвонка и выделяют позвоночную артерию. После мобилизации нервов и позвоночной артерии выполняют удаление тела полупозвонка, кюретаж смежных дисков и рассечение задней продольной связки. Рану ушивают. Переворачивают пациента на живот. Выполняют срединный линейный разрез в проекции сегментов выше и ниже полупозвонка. Скелетируют шейные позвонки выше и ниже полупозвонка. Устанавливают костные ...

Способ пояснично-тазовой фиксации при хирургическом лечении заболеваний поясничного отдела позвоночника

Изобретение относится к медицине, а именно к нейрохирургии и травматологии-ортопедии, и может быть использовано при лечении больных с заболеваниями поясничного отдела позвоночника. Перпендикулярно позвоночному столбу в крылья подвздошных костей, автономно относительно основной транспедикулярной конструкции имплантируют транспедикулярные винты. В головки транспедикулярных винтов, имплантированных в крылья подвздошных костей, устанавливают штангу из биоинертного материала и выполняют поперечную компрессию. Способ обеспечивает снижение интенсивности болевого синдрома, течение послеоперационного периода без осложнений, минимизацию рисков переломов элементов металлоконструкции и снижение затрат за счет стабилизации и поперечной компрессии крестцово-подвздошного сочленения (КПС), устранения подвижности КПС, а также исключения частей составляющих системы - подвздошных винтов и выносных коннекторов. 2 ил., 1 пр.

СПОСОБ ПРЕДОПЕРАЦИОННОГО ПЛАНИРОВАНИЯ КОРРЕКЦИИ ГРУДНОГО ИДИОПАТИЧЕСКОГО СКОЛИОЗА У ПАЦИЕНТОВ ВОЗРАСТА 10-14 ЛЕТ

Изобретение относится к медицине, а именно к травматологии и ортопедии, и может быть использовано для предоперационного планирования хирургического лечения идиопатического сколиоза у детей с незавершенным ростом - 10-14 лет. Предварительно всем пациентам выполняется рентгенография позвоночника на уровне C7-S1 в степ-режиме в двух проекциях с определением величины основной деформации и грудного кифоза. Если по рентгенограммам имеются признаки размера корней дужек позвонков на вогнутой стороне вершины грудной сколиотической дуги менее 5 мм, то таким пациентам дополнительно проводится мультиспиральная компьютерная томография (МСКТ) грудного отдела позвоночника для определения толщины корней дужек позвонков на вогнутой стороне вершины грудной дуги. Группе пациентов, у которых толщина дужки позвонка на вогнутой стороне вершины грудной дуги по данным МСКТ менее 5 мм, планируют проведение вентрального этапа с последующим дорсальным гибридным типом фиксации. Группе пациентов, у которых по данным ...

СПОСОБ КОРРЕКЦИИ ДЕФОРМАЦИИ ПОЗВОНОЧНИКА С ВЕДУЩЕЙ ПОЯСНИЧНОЙ ДУГОЙ

Изобретение относится к медицине, а именно к травматологии и ортопедии, и может быть использовано в спинальной хирургии и при лечении пациентов с деформациями позвоночника в поясничном отделе. Осуществляют послойный доступ к задним отделам позвоночника. Устанавливают в позвонки, билатерально в опорные точки, транспедикулярные винты. Предварительно изгибают два стержня, так чтобы они соответствовали искривлению оси позвоночника во фронтальной плоскости. Предизогнутые стержни укладывают в головки транспедикулярных винтов, один с выпуклой стороны, другой с вогнутой стороны сколиотической дуги. Последовательно выполняют деротационный маневр, дистракцию по вогнутой стороне деформации и компрессию по выпуклой стороне сколиотической дуги. Опорные точки двух нижних позвонков не используют. Затягивают гайки на головках транспедикулярных винтов, оставляя не фиксированными стержни в головках транспедикулярных винтов двух нижних позвонков. Проводят оценку фронтального баланса, измеряют отклонение продольной ...

ПЛАСТИНЧАТЫЙ ИМПЛАНТАТ, В ЧАСТНОСТИ, ДЛЯ ИСПОЛЬЗОВАНИЯ В ПОЗВОНОЧНИКЕ

... 1. Пластинчатый имплантат для использования при остеосинтезе, состоящий, по меньшей мере, из одного первого пластинчатого компонента (2), имеющего отверстия (4) для установки крепежных винтов (17) и соединительный элемент (5), по меньшей мере, одного второго пластинчатого компонента (3), имеющего отверстия (4) для установки крепежных винтов (17), и приемный элемент (6) для установки соединительного элемента (5), причем каждый из пластинчатых компонентов (2, 3) установлен с возможностью скольжения в одном направлении (23) относительно другого пластинчатого компонента (2, 3), причем пластинчатые компоненты (2, 3) снабжены приспособлением для ограничения их скольжения навстречу друг другу, включающим зажимной винт (18), причем зажимной винт (18) состоит из резьбовой части винта (19) и головки винта, и в смонтированном состоянии двух пластинчатых компонентов (2, 3) резьбовая часть винта (19) взаимодействует с соединительным элементом (5), а головка винта - с продолговатым отверстием (14), предусмотренным ...

ПОЗВОНОЧНЫЙ ИМПЛАНТ, ИМЕЮЩИЙ РЕГУЛИРУЕМЫЕ ПОСЛЕОПЕРАЦИОННЫЕ РАЗМЕРЫ

... 1. Позвоночный имплант, содержащий: ! первый позвоночный крепежный элемент для крепления к первому участку позвоночника, ! второй позвоночный крепежный элемент для крепления ко второму участку позвоночника и ! приспособление для изменения размеров после имплантации, расположенное между упомянутыми первым и вторым позвоночными крепежными элементами и приводимое в действие после хирургического вмешательства, осуществляемого для установки пациенту упомянутого позвоночного импланта, для обеспечения перемещения первого и второго позвоночных крепежных элементов относительно друг друга, !при этом упомянутое приспособление для изменения размеров после имплантации содержит подъемные винты, приводимые в движение зубчатой передачей, запускаемой дистанционно управляемым двигателем. ! 2. Позвоночный имплант по п.1, дополнительно содержащий процессор, который имеет программное управление для обеспечения его срабатывания в любой желаемый промежуток времени, при любой желаемой нагрузке и пределах перемещения ...

Способ хирургического лечения оскольчатых переломов грудных и поясничных позвонков

Изобретение относится к медицине, а именно к травматологии и ортопедии, и может быть использовано для хирургического лечения оскольчатых переломов грудных и поясничных позвонков. После проведения хирургического доступа к позвоночному столбу в зоне травмы проводят транспедикулярную фиксацию позвоночника с введением билатерально по два винта в смежные c по крайней мере одним поврежденным позвонком и одного винта в отломок по меньшей мере одного поврежденного позвонка и их креплением между собой посредством соответствующих штанг и гаек. Введенный в поврежденный позвонок винт устанавливают на стороне, контрлатеральной приемлемой для выполнения передне-бокового доступа, обеспечивая его проведение через ножку дуги поврежденного позвонка в его наиболее крупный отломок, не выходя из границ латеральной трети тела поврежденного позвонка. При развитии остеолизиса последнего выполняют второе хирургическое вмешательство, при котором через передне-боковой доступ осуществляют частичную резекцию поврежденного ...

Способ хирургического лечения многоуровневых дегенеративных заболеваний поясничного отдела позвоночника

Изобретение относится к медицине, а именно к нейрохирургии, и может быть использовано при оперативном лечении многоуровневых дегенеративных компрессионных поражений поясничного отдела позвоночника. Способ включает парамедианный доступ к позвоночному каналу, резекцию дугоотростчатого сустава, дискэктомию, трансфораминальную установку кейджа, выделение межостистого промежутка на смежном уровне, межостистую стабилизацию имплантатом. Выполняют парамедианный доступ путем разреза кожи и подкожно-жировой клетчатки на 3 см латеральнее срединной линии позвоночника и разреза торако-люмбальной фасции на 1 см медиальнее кожного разреза. Затем через этот доступ выполняют дискэктомию, декомпрессию и установку межтелового кейджа и винтов на пораженный сегмент позвоночника, через этот же доступ на уровне установки межостистого имплантата отслаивают грудо-поясничную фасцию от остистых отростков тупым методом, не повреждая надостистую связку, и устанавливают межостистый имплантат на смежный сегмент. Способ ...

Способ интраоперационной коррекции сколиотических деформаций позвоночника

Изобретение относится к медицине, а именно к ортопедии, и может быть использовано при хирургическом лечении сколиотических деформаций позвоночника у подростков и взрослых. После доступа к позвоночнику с вогнутой стороны сколиоза в дистальные и проксимальные транспедикулярные винты-базы устанавливают временные короткие стержни, на которых предварительно смонтирована С-рама репозиционного устройства, с помощью которого проводят постепенную дозированную тракцию позвоночного столба. В головки транспедикулярных винтов, введенных на протяжении основной сколиотической дуги с вогнутой стороны сколиоза, устанавливают короткий стержень, предварительно изогнутый в соответствии с деформацией позвоночника и его физиологическими изгибами, с помощью которого производят посильную деротацию деформации позвоночника. После чего короткий стержень фиксируют на винтах. Затем с выпуклой стороны сколиотической дуги в транспедикулярные винты устанавливают длинный стержень и осуществляют дополнительную посильную ...

СТЕРЖНИ ИЗ ПОЛИМЕРА ДЛЯ ИСПОЛЬЗОВАНИЯ НА ПОЗВОНОЧНИКЕ

... 1. Удлиненный элемент для стабилизации позвоночника, содержащий: ! дугообразную главную деталь, имеющую первый конец, второй конец и центральную часть, проходящую, по существу, между первым концом и вторым концом и имеющую продолговатое сечение, высота которого больше его ширины, причем первый конец имеет, по существу, круглую поверхность и первое отверстие для наконечника, проходящее через него, а второй конец имеет, по существу, круглую поверхность и второе отверстие для наконечника, проходящее через него, дугообразная главная деталь сформирована из полимера медицинского применения и отверждена в ее окончательной форме; при этом удлиненный элемент для стабилизации позвоночника дополнительно содержит ! первый наконечник, имеющий первый выступ, выполненный с возможностью взаимодействия с первым отверстием для наконечника, и имеющий средства взаимодействия с инструментом, расположенные напротив первого выступа и выполненные с возможностью взаимодействия с хирургическим инструментом; и !

ИМПЛАНТАТ СПИНАЛЬНОЙ СТАБИЛИЗАЦИИ

... 1. Имплантат спинальной стабилизации для прикрепления к двум смежным позвонкам, при этом упомянутые позвонки имеют, по меньшей мере, одну костную структуру, причем имплантат содержит: ! первую фиксирующую пластину для крепления к первому из упомянутых позвонков; ! вторую фиксирующую пластину для крепления ко второму из упомянутых позвонков; ! причем упомянутые первая и вторая фиксирующие пластины содержат, по меньшей мере, один вырез под крепежный элемент для вмещения крепежных элементов для сцепления с упомянутыми костными структурами упомянутых позвонков; ! эластичный элемент, продолжающийся между упомянутыми первой и второй фиксирующими пластинами, допускающий эластичное относительное перемещение между упомянутыми фиксирующими пластинами. ! 2. Имплантат по п.1, в котором упомянутые первая и вторая фиксирующие пластины обеспечены парами, чтобы охватывать противоположные стороны упомянутых позвонков, при этом упомянутый имплантат содержит пару первых фиксирующих пластин для крепления к ...

Способ минимально-инвазивного хирургического лечения стеноза позвоночного канала поясничного отдела позвоночника

ВВЕДЕНИЕ АНТЕРИОРНЫХ И ПОСТЕРИОРНЫХ СПИНАЛЬНЫХ ПРОТЕЗОВ

... 1. Способ введения спинальных протезов, включающий: ! обеспечение наличия реперной структуры, пространственно зафиксированной относительно множества педикулярных винтов, которые установлены в соседних позвонках пациента; ! установку антериорного спинального протеза с помощью устройства, соединенного с реперной структурой; и ! установку постериорного спинального протеза на педикулярные винты, причем указанная реперная структура определяет пространственное соотношение между антериорным и постериорным спинальными протезами. ! 2. Способ по п.1, дополнительно включающий дистракцию соседних позвонков перед установкой антериорного спинального протеза. ! 3. Способ по п.1, в котором реперная структура определяет путь для введения антериорного спинального протеза относительно педикулярных винтов. ! 4. Спинальный аппарат, содержащий: ! реперную структуру, пространственно зафиксированную относительно множества педикулярных винтов, установленных в соседних позвонках пациента; и ! соединенное с реперной ...

МЕДИЦИНСКАЯ СИСТЕМА

Способ ориентированной установки транспедикулярных винтов при коррекции врожденной деформации позвоночника у детей с изолированным нарушением формирования позвонка

МИНИМАЛЬНО ИНВАЗИВНЫЕ МЕЖОСТИСТЫЕ СПЕЙСЕРЫ (ИМПЛАНТАТЫ) И СПОСОБЫ

... 1. Межостистый спейсер для имплантации в пространство между верхним остистым отростком и нижним остистым отростком, включающий:центральную, как правило, жесткую стержневую деталь, обладающую проксимальным концом и дистальным концом и продольной осью, проходящей между проксимальным и дистальным концом, причем жесткая стержневая деталь может быть скомпонована в нерастянутой конфигурации или растянутой конфигурации;участок спейсера, расположенный над центральной стержневой деталью, причем участок спейсера может состоять из жесткого, эластомерного или амортизирующего материала;первую группу спиц, расположенных аксиально возле проксимального конца; и вторую группу спиц, расположенных аксиально возле дистального конца;причем первая и вторая группа спиц ориентированы, как правило, параллельно продольной оси в нерастянутой конфигурации и, как правило, перпендикулярно продольной оси в растянутой конфигурации.2. Межостистый спейсер по п.1, отличающийся тем, что, по меньшей мере, одна из первой и ...

МИНИМАЛЬНО ИНВАЗИВНЫЕ МЕЖОСТИСТЫЕ СПЕЙСЕРЫ (ИМПЛАНТАТЫ) И СПОСОБЫ

... 1. Межостистый спейсер для имплантации в пространство между верхним остистым отростком и нижним остистым отростком, причем межостистый спейсер содержит:баллоноподобный корпус, имеющий дистальный конец, проксимальный конец и продольную ось, проходящую между проксимальным и дистальным концом, причем баллоноподобный корпус может пребывать в нерастянутой и растянутой конфигурации;первую раскладную выступающую деталь, установленную рядом с проксимальным концом, ивторую раскладную выступающую деталь, установленную рядом с дистальным концом,причем первая и вторая раскладные выступающие детали в нерастянутой конфигурации ориентированы, как правило, параллельно продольной оси, а в растянутой конфигурации - перпендикулярно продольной оси.2. Межостистый спейсер по п.1, отличающийся тем, что, по крайней мере, одна из выступающих деталей является раздуваемой.3. Межостистый спейсер по п.1, отличающийся тем, что баллоноподобный корпус включает:раздуваемую внутреннюю деталь; ираздуваемую внешнюю деталь ...

СИСТЕМА И СПОСОБ ОПЕРАТИВНОГО КОНТРОЛЯ НАБОРОВ ХИРУРГИЧЕСКИХ ИНСТРУМЕНТОВ

... 1. Система контроля наборов хирургических инструментов, состоящая из набора инструментов одноразового использования для установки имплантата (1) и по меньшей мере одного стерильного набора имплантата (2, 3), при этом каждый из вышеуказанных наборов включает идентификатор, отличающаяся тем, что по меньшей мере один из вышеуказанных наборов содержит уникальный идентификатор (4), а также носитель информации для регистрации дополнительных идентификаторов,- один из вышеуказанных дополнительных идентификаторов является кодом пациента, полученным во время использования вышеуказанного набора,- по меньшей мере один другой дополнительный идентификатор является идентификатором по меньшей мере одного дополнительного набора (2, 3), включающего идентификатор (5, 6), переносимый на вышеуказанный носитель информации для регистрации дополнительных идентификаторов (7), во время использования вышеуказанного дополнительного набора.2. Система контроля наборов хирургических инструментов по п. 1, отличающаяся ...

Способ хирургической коррекции основной дуги сколиотической деформации поясничного отдела позвоночника с использованием полимерного кейджа при вентральной динамической стабилизации

Изобретение относится к медицине, а именно к травматологии и ортопедии, и может быть использовано для способа хирургической коррекции основной дуги сколиотической деформации поясничного отдела позвоночника с использованием полимерного кейджа при вентральной динамической стабилизации. В положении пациента на боку выпуклой стороной деформации позвоночника кверху устанавливают уровни позвонков для определения доступа в переднезаднем и боковом положениях. Выполняют пальпацию 12-го ребра. Выполняют тораколюмбарный разрез кожного покрова и подкожно-жировой клетчатки с визуализацией поясничного отдела пораженного позвоночника пациента с продлением разреза в направлении наружной косой мышцы живота на 3-5 см спереди с рассечением париетальной плевры по всей длине планируемой фиксации. Скелетируют переднебоковую часть тел позвонков, идентифицируют сегментарные сосуды. Коагулируют и рассекают с сохранением коллатерального кровообращения между сегментарными артериями в межпозвонковом отверстии, с расширением ...

VORRICHTUNG ZUR KORREKTION DER WIRBELSAEULENVERKRUEMMUNGEN

Medical implant system incorporates sensor element for monitoring physical state of implant

The implant system has an implant (1) made of a composite material in which glass fibres (7) are embedded, together with at least one sensor element enclosing the glass fibres, coupled to a measuring device (11), monitoring a physical characteristic of the sensor element or its environment, for determining the physical state of the implant. The sensor can be provided by a sensor fibre with a Bragg grid section.

VERANKERUNGSELEMENT UND JUSTIERWERKZEUG FÜR EIN SOLCHES

ZWISCHENWIRBEL-VERBINDUNGSSYSTEM

AXIALES WIRBELIMPLANTAT

Ankeranordnung mit Verschlusskappe zur orthopädischen Fixation

Knochenverankerungsvorrichtung

POLYAXIALE KNOCHENSCHRAUBE

Bone screw, has connector rod receiving part with unsymmetrically arranged end bores

The receiving part (5) for the rod to be joined to the screw (1) has its surface around its second bore at one end arranged unsymmetrically relative to the axis for the first bore in the opposite end. The receiving part has an open first bore at one end, an essentially U-shaped cross-section with threaded arms, and a second bore at the other end. The second bore has a diameter greater than the threaded part of the screw, but smaller than the screw head diameter. A seat for the screw head and a nut or screw are also provided. An Independent claim is also included for a bone screw with a cavity or milled region in its neck, adjacent to the ball segment.

Fixing screw for fixing atlas and axis

Implant

Implant

An implant 1 comprising a surface 32 engageable with a portion of at least one body part, preferably a bone 2, and attachable thereto be means of an adhesive that is preferably cured by means on an external energy source such as EM radiation, ultrasound energy or thermal energy; most preferably UV light. The implant 1 may also be provided with a conduit 4 through which the energy source may be introduced. A flange 30 extending around the periphery of the implant 1 and protruding towards the body is also taught. The flange 30 provides a stand-off between the surface 32 and the body when the implant 1 is in use, thereby controlling the thickness of adhesive in use. Also disclosed is a method of surgery comprising forming an implant 1, applying a layer of adhesive to a surface 32 of the implant 1 and engaging the surface 32 with a body part. It is also disclosed that the implant 1 may be shaped in accordance with data derived from the body part in 3D, preferably obtained using computer tomography ...

Orthopaedic implants and prosthesis

Percutaneous registration-and-access tool for minimally invasive spinal surgery

INTERVERTABRAL PROTECTOR

... 1524528 Spinal protector J R FEILD 17 Oct 1975 [29 Oct 1974 25 Nov 1974 7 Oct 1975] 42733/75 Heading A5R A protector for use following spinal surgery for example to remove intervertebral disc portions, comprises a shield 13, Figs. 1 and 4, for placement in the spinal canal 59, Fig. 4, and having a part-cylindrical body portion 23 for extending around the dura 53 to prevent post operative adhesion thereof, a tongue portion 25 for extending across the excavated portion of the vertebra, and a roof member 17 for covering the excavated portion of the vertebra, said roof member 17 being connectable with the shield 13 by means of a joining member 19 which engages in an aperture 43 in the roof member. A conduit 15 is provided for protecting a spinal nerve 55 whereby in use the nerve 55 is inserted into the conduit 15 through a slot 33 and flanges 35, 37 are joined together to seal said slot. A filler member 21 is provided to fill the space in the region where part of the disc has been removed.

WIRBELSÄULENFIXATEUR

ADJUSTMENT SYSTEM FOR BONE PLATE

SPINAL COLUMN OSTEOSYNTHESIS DEVICE WITH CAGE, ONE FRONT PLATE AND TWO LONGITUDINAL BARS

DEVICE FOR THE EXECUTION OF THERAPEUTHI TREATMENTS IN THE SPINAL COLUMN

DEVICE FOR THE OSTEOSYNTHESIS

DAMPING ELEMENT FOR THE SPINAL COLUMN

COVER CAP ANCHOR ARRANGEMENT FOR AN ORTHOPEDIC ADJUSTMENT

LINK DEVICE

SWIVEL JOINTS FOR SPINAL COLUMN IMPLANTS WITH INTENDED RESISTANCE AGAINST MOVEMENT

TREATMENT OF NEIGHBOURING ONES OF MOVEMENT SEGMENTS

FLEXIBLE CHAIN IMPLANTS AND INSTRUMENTS

DEVICES AND PROCEDURES FOR THE BONE ANCHORAGE

DEVICE FOR BONE FIXATION

DEVICE FOR IMPLANTATION INTO HUMAN OR ANIMAL FABRIC

ORTHOPEDIC PLATE WITH EMPLOYMENT PART

SPINAL COLUMN SUPPORTING DEVICE, WHICH IS COMPOUND FOR WITH CLAMPS

ABSORBABLE MICRO DIAPHRAGM FOR THE REDUCTION OF SCAR FABRIC

CROSS CONNECTION WITH VARIABELER LENGTH AND ANGLE

COMPRESSION DEVICE AND TROKAR FOR REPAIRING AN INTERMEDIATE EDDY PROSTHESIS

DEVICE FOR THE CONNECTION OF A LANGSTRAGERS WITH PEDIKELSCHRAUBE

SELFCUTTING HOLLOWCYLINDRICAL BONE ANCHORAGE ELEMENT

BONE PLATE APPARATUS

HOOK FOR THE OSTEOSYNTHESIS OF THE SPINAL COLUMN

DEVICE FOR THE FIXATION OF BONES, IN PARTICULAR OF EDDY BODIES RELATIVE TO EACH OTHER

MEHRACHSIGE BONE SCREW ARRANGEMENT

INTERMEDIATE EDDY IMPLANT WITH DUCTILE WEDGE

SPINAL COLUMN OSTEOSYNTHESIS DEVICE WITH CAGE, ONE FRONT PLATE AND TWO LONGITUDINAL BARS

SPINAL COLUMN OSTEOSYNTHESIS DEVICE WITH CAGE, ONE FRONT PLATE AND TWO LONGITUDINAL BARS

SPINAL COLUMN OSTEOSYNTHESIS DEVICE WITH CAGE, ONE FRONT PLATE AND TWO LONGITUDINAL BARS

SPINAL COLUMN OSTEOSYNTHESIS DEVICE WITH CAGE, ONE FRONT PLATE AND TWO LONGITUDINAL BARS

SPINAL COLUMN OSTEOSYNTHESIS DEVICE WITH CAGE, ONE FRONT PLATE AND TWO LONGITUDINAL BARS

SPINAL COLUMN OSTEOSYNTHESIS DEVICE WITH CAGE, ONE FRONT PLATE AND TWO LONGITUDINAL BARS

SPINAL COLUMN OSTEOSYNTHESIS DEVICE WITH CAGE, ONE FRONT PLATE AND TWO LONGITUDINAL BARS

SPINAL COLUMN OSTEOSYNTHESIS DEVICE WITH CAGE, ONE FRONT PLATE AND TWO LONGITUDINAL BARS

SPINAL COLUMN OSTEOSYNTHESIS DEVICE WITH CAGE, ONE FRONT PLATE AND TWO LONGITUDINAL BARS

SPINAL COLUMN OSTEOSYNTHESIS DEVICE WITH CAGE, ONE FRONT PLATE AND TWO LONGITUDINAL BARS

SPINAL COLUMN OSTEOSYNTHESIS DEVICE WITH CAGE, ONE FRONT PLATE AND TWO LONGITUDINAL BARS

SPINAL COLUMN OSTEOSYNTHESIS DEVICE WITH CAGE, ONE FRONT PLATE AND TWO LONGITUDINAL BARS

Surgical guidance device and system for insertion thereof

Briefly, the invention relates to a surgical tool and method for forming a pilot bore by inserting a guide wire into bone. More particularly, the device includes a cannulated hand grip and driving tool used for the rotation of a pedicle screw into bone. The rear portion of the hand grip includes a slide assembly that is suited to grip a guide wire. The slide assembly includes a user adjustable stop to control the sliding movement of the guide wire. The rear surface of the slide assembly is constructed to be impacted with a hammer or similar device, whereby the stop prevents the guide wire from penetrating the bone further than desired. Should it be desired that the guide wire be retracted, a screw jack is included to allow the guide wire to be precisely retracted. "bo -S ...

Single level fusion systems and methods of assembly and use

Abstract The present invention discloses single level fusion systems and methods of use. The single level fusion systems include a first fastener, a second fastener, and a connector to secure the first fastener to the second fastener. The method of assembling a single level fusion system including obtaining a first fastener, a second fastener, and a connector, securing the first fastener to the connector, and securing the second fastener to the connector. Methods of using the single level fusion systems are also disclosed. WO 2016/044845 PCT/US2015/051254 M0m Acl 000t ~o 0 Ac ...

Percutaneous access devices and bone anchor assemblies

Unit for treatment of the degeneration of an intervertebral disc

Non-metallic orthopedic plate

Linking transconnector for coupling spinal rods

Vertebral column osteosynthesis device comprising a cage, an anterior plate and two longitudinal rods

Hybrid bone fixation apparatus

Device for connecting a longitudinal support to a pedicle screw

Dorsal adjusting multi-rod connector

Resorbable anterior cervical plating system with screw retention mechanism

Method for laminectomy

Intervertebral implant

Spinal rod system

Resorbable thin membranes

Педикулярный винт

Полезная модель относится к области медицины, а именно к травматологии, ортопедии, вертебрологии и нейрохирургии, в частности, к области создания педикулярных винтов и гаек, входящих в состав устройств фиксации позвоночника и применяемых при стабилизации грудного, поясничного и крестцового отделов позвоночника при его нестабильности и деформации вследствие травм и заболеваний различной этиологии.В педикулярном винте, содержащем конусообразной стержень с резьбой и со сферической головкой, установленной в камертон, снабженный фиксатором, нижняя часть стержня выполнена цилиндрической с заходными насечками и заходной фаской на конце. В стержне выполнено направляющее отверстие для позиционирования винта по направителю. В верхней части сферической головки расположено углубление под инструмент. В нижней части камертона выполнен вырез для наклона винта. На наружной поверхности камертона выполнены глухие отверстия и буртик под захват инструментом.Технический результат от использования предлагаемой полезной модели заключается в повышении надежности фиксации позвоночника у пациентов с различным качеством костной ткани при снижении травматичности. 2 ил. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 195 876 U1 (51) МПК A61B 17/70 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (52) СПК A61B 17/7032 (2020.01) (21)(22) Заявка: 2019142325, 18.12.2019 (24) Дата начала отсчета срока действия патента: (73) Патентообладатель(и): Общество с ограниченной ответственностью "ВИП Технологии" (RU) Дата регистрации: 07.02.2020 (56) Список документов, цитированных в отчете о поиске: US 8657858 B2, 25.02.2014. RU 154118 U1, 20.08.2015. US 6660004 B2, 09.12.2003. US 6869433 B2, 22.03.2005. US 20170181775 A1, 29.06.2017. US RE46431 E1, 13.06.2017. (45) Опубликовано: 07.02.2020 Бюл. № 4 1 9 5 8 7 6 R U (54) Педикулярный винт (57) Реферат: Полезная модель относится к области медицины, а именно к травматологии, ортопедии, вертебрологии и нейрохирургии, ...

Orthopedic cement and use of same in radiation therapy

A method of treating diseased tissue in a patient, the diseased tissue being proximate a hardened previously implanted bone cement including relatively high atomic number elements in a patient. The method includes generating a photon beam and directing the generated photon beam into the patient in a direction such that at least a portion of the photon beam impinges on the hardened bone cement and generates Compton interaction knock-out electrons from the high atomic number elements included in the hardened bone cement as a result of interaction of the at least a portion of the photon beam with the bone cement, wherein the direction of the photon beam is such that the at least a portion of the photon beam impinges on the hardened bone cement so that at least some of the Compton interaction knock-out electrons impinge upon the diseased tissue.

Facet fusion implant

Facet fusion implants with various body geometries are provided. The bodies of the facet fusion implants can be configured to minimize migration of the implants when the implants are inserted into facet joints. Surgical methods and accompanying surgical instrumentation for inserting the facet fusion implants into facet joints are provided.

Interspinous Ligament Transverse Connector

The present invention includes the steps for creating an access path to the posterior portion of the spine, positioning a first and second elongate rod longitudinally on opposing portions of the spine, piercing a portion of the interspinous ligament with a third elongate rod, and positioning the third elongate rod connecting the first and second elongated rods in a cross connection assembly. The cross connection assembly includes a one-piece connecting body comprising a receptacle facing outwards towards the first rod and away from the second rod and a clamp, and a set screw selectively positioned to securely hold the connecting body to the first rod. The connecting body is disposed substantially between the first and second elongate rods. The clamp allows the connecting body to slidingly engage with the third rod.

Pedicular facet fusion screw with plate

Spinal implants and methods for spinal stabilization and/or fusion are provided. Exemplary implants described herein can be configured for delivery to a facet joint to stabilize and/or fuse the facet joint, and can optionally be anchored within the pedicle for added fixation. The implant can optionally include a fusion-promoting bioactive material thereby providing a single device capable of spinal stabilization and/or fusion. Furthermore, a method of placing such an implant within a facet joint is provided.

Vertebra filler

The present invention offers two programs of a filler for spine, both two include a catheter and a catheter holder for fastening the catheter, there is a guide pin inside of the catheter, and the guide pin is fastened on the guide pin holder, a sealed or ventilate feed bag made of soft nonmetal materials accordent to biocompartibility or absorbefacient materials is set at the end of the catheter, the feature of the two programs lies in that a outer thimble is set at the outerside of the catheter, the outer thimble is fixed on the outer thimble holder, a dismountable structure connects the outer thimble holder and catheter holder, a reducing cone of tapered outer thimble at the open end of the said outer thimble connects to a little diameter outer thimble, or a inside convex plate of outer thimble; the said catheter has a reducing cone corresponding to the reducing cone of outer thimble at the reducing cone of outer thimble or the inside convex plate of outer thimble, and the reducing cone of catheter connects to a little diameter catheter; the said feed bag is set in the catheter through its open end, lies in between outer thimble and catheter and fastened tightly at the outer wall of catheter by outer thimble.

Injectable flexible interspinous process device system

An injectable, flexible interspinous process device and a delivery system. The interspinous process device is flexible and can be fillable in situ with a desired amount of biocompatible material. The interspinous process device has a container portion. A support element, such as a self-expanding mesh, is used in conjunction with the container to provide added structural support. The mesh also facilitates deployment of the device when it is properly positioned. A conduit may be coupled to the interspinous process to fill the device. A delivery system is also provided for delivering the flexible interspinous process device to the desired location. The delivery system includes an outer catheter that is disposed over the interspinous process device to maintain it in the undeployed state and thus facilitate delivery of the device to the desired location. An inner removable sleeve and a guidewire may also be used with the delivery system.

Sacral-Iliac Stabilization System

The present invention provides a sacral-iliac plate having an iliac portion with a first screw hole for receiving a first fastener to secure the iliac portion to the iliac bone. A sacral portion integrated monolithically with the iliac portion is also provided with a second and third screw holes for receiving second and third fasteners to secure the sacral portion to the sacral bone. The sacral portion also includes a tulip for receiving and securing a spinal rod.

Minimally invasive spinal fixation guide systems and methods

Methods and devices that utilize segmental fixation between several adjacent vertebrae, thus allowing each vertebrae to be adjusted independently, are provided. In general, the device includes a spinal anchoring element that is adapted to seat at least one spinal fixation element, and a closure mechanism that is adapted to mate to the spinal anchoring element to lock the at least one spinal fixation element in a fixed position relative to the spinal anchoring element.

Maintenance feature in magnetic implant

A distraction system includes a distraction rod having one end configured for affixation to at a first location on patient. The system further includes an adjustable portion configured for placement in the patient at a second location, the adjustable portion comprising a housing containing a magnetic assembly comprising a magnet, the magnetic assembly secured to a threaded element that interfaces with an opposing end of the distraction rod. The system includes a magnetically permeable member in proximity to the magnetic assembly and covering an arc of less than 360° of the adjustable portion.

Rod screw dynamic implant for stabilizing a vertebral column

The invention relates to an implant for supporting a vertebral column, including at least one attachment element ( 300 ) and a connecting rod. Such an attachment element ( 300 ) includes an anchoring member ( 13 ) in a vertebral body, as well as a head ( 14 ) in which a passage opening ( 15 ) is provided that is conducive to receiving a connecting rod ( 12 ), the attachment element ( 300 ) being remarkable in that it comprises a means ( 316 ) for centering said rod, said rod-centering means being mounted on a spring-back means ( 317 ) placed in said head ( 14 ), said centering means ( 316 ) and said head ( 14 ) being movable relative to each other. A connecting rod ( 12 ) capable of being inserted into a passage opening ( 15 ) of an attachment element ( 300 ) includes at least one second centering surface ( 19 ). The attachment element ( 300 ) and the connecting rod ( 12 ) engage to form an implant in which said rod is rotatably and/or translatably movable relative to the anchoring member ( 13 ).

System and method for insertion of flexible spinal stabilization element

Insertion of a spinal stabilization element into a patient generally includes positioning a cord within a sheath and inserting the sheath and cord through the patient's body along a path generally toward an anchor member. An advancement member may be mounted on the leading end of the cord to further facilitate this insertion. The sheath is then retracted to expose a first portion of the cord within the patient's body, and the first portion of the cord is moved into a desired position relative to the anchor member. After advancing a spacer over the sheath and cord, the sheath is retracted to expose a second portion of the cord. The second portion of the cord is then moved into a desired position relative to another anchor member such that the spacer is positioned between the two anchor members.

Polyaxial bone screw

A polyaxial bone screw assembly includes a threaded shank body having an upper capture structure, a head, a retaining ring and a nut. The external capture structure surface includes a threaded portion and a smooth portion; the smooth portion for slidably mating with the retaining ring and the threaded portion for rotatable attachment to the nut within a cavity of the head. The nut fixes the retaining ring to the shank and also provides a tool engagement formation for driving the shank body into bone.

Apparatus and Method for Capsule Formation in Tissue

Capsules, emplacement apparatus, and associated methods for establishing a capsule within tissue are described herein. The emplacement apparatus may be catheter-based or implemented in a handheld unit. The emplacement apparatus serves to introduced an encapsulating membrane in a collapsed condition into the tissue, and then to expand the encapsulating membrane within the tissue into a capsule by injection of fill material into the encapsulating membrane. Other than being capable of injection through the emplacement apparatus, the fill material may be selected and formulated to achieve such mechanical and biological properties within the encapsulating membrane after injection as are desired to achieve the therapeutic effect sought for the patient. Mechanically, the fill material within the encapsulating membrane after injection may be a liquid, a semi-solid such as a gel, or a solid such as a cross-linked polymer. The fill material may or may not be sealed within the encapsulating membrane.

Interspinous spacer and facet joint fixation device

A biologically implantable device including a spacer body and fasteners for fixing the spacer body in place between vertebrae, and a method for use of the device to improve intervertebral spacing and correct foraminal stenosis, and to immobilize facet joints and promote fusion of adjacent vertebrae to each other. A drill guide may be used in providing bores in the facet joints to receive the fasteners.

Device for the dynamic fixation of bones

An intermediate element for a detachable, lockable, ball joint-like connection in a device for the dynamic fixation of bones has a longitudinal axis, an outer wall concentric with the longitudinal axis, and an inner wall forming a coaxial cavity. Either the outer wall or the inner wall comprises one of two contact zones that form the ball joint-like connection. The intermediate element is at least partly made of a super-elastic or visco-elastic material.

Disc shunt delivery with stepped needle

A solid stepped needle delivers a disc shunt bridging between muscle and a degenerated disc, drawing blood plasma from muscle into the degenerated disc to alleviate back pain and regenerate the disc. The device further includes pull lines attached to the ends of the disc shunt for withdrawing and repositioning the stepped needle during shunt delivery.

Spine Stabilization System

The present invention is directed to a spine stabilization system and method for stabilizing the spine. In particular, the present invention is directed to a spinal stabilization system having an occipital plate configured with a central portion and at least two extension portions extending from the central portion. At least two rod receivers are positioned on each one of the at least two extension portions and the at least two rod receivers are adapted and configured to receive at least two elongated rods. At least two locking assemblies are adapted and configured to retain the at least two elongated rods within the at least two rod receivers. The occipital plate further includes a plurality of holes for receiving bone fasteners and includes a slot for receiving each one of the at least two rod receivers, and the rod receivers being capable of translating and rotating within the slots.

Method for surgically attaching a vertebral laminar reconstructive plate

A method for attaching a laminar plate to a vertebra during spinal surgery, especially minimally invasive spinal surgery, to reconstruct the lamina of the vertebra after it has been removed during the surgery and prevent bone re-growth material from entering the spinal canal. The laminar plate can be coupled to, or proximate to, and between a facet and the spinous process by screwing the plate to the bone.

Pedicle screw assembly and methods therefor

A method for stabilizing a spine includes providing a coupling element having upper and lower ends, a rod receiving opening adapted to receive an elongated stabilizing rod, a bore extending through the lower end and a seat surrounding the bore adjacent the lower end; providing a fastener having upper and lower ends, a head having a radial surface, and at least one anchoring element between the lower end of the fastener and the head; assembling the fastener with the coupling element; anchoring the fastener to bone; moving the coupling element relative to the fastener for capturing the elongated stabilizing rod in the rod receiving opening; and urging the captured stabilizing rod toward the head of the fastener so that the rod contacts the head and forces the radial surface of the head against the seat.

Method for inserting an artificial implant between two adjacent vertebrae along a coronal plane

A method for inserting an artificial implant between two adjacent vertebrae along a corona plane,

Torque Drive Device For Use With A Dynamic Pedicle Screw

A modular dynamic pedicle screw system including anchoring device having a threaded shank for anchoring within a vertebra, an intermediate element and a head portion configured to receive and secure a rigid or non-rigid stabilization rod. The threaded shank, the intermediate element and the head portion of the anchoring device are cannulated to permit percutaneous implantation of the device. The intermediate portion is designed to be removable from the threaded shank portion subsequent to implantation of the anchoring device to enable substitution of another intermediate element having different dynamic characteristics. The dynamic stabilization system includes an adjustable torque limiting device that is interchangeable between a tap device and a screw driver. The torque device provides information relative to the patient's bone quality inter-operatively in order to determine the appropriate modulus of elasticity for the dynamic pedicle screw.

Spinal implant structure and method for manufacturing the same

A spinal implant structure includes a hollow cylinder and a biodegradable polymer membrane. The hollow cylinder is implanted in a bone damaged part of human vertebra. The biodegradable polymer membrane is formed to a part of a surface of the hollow cylinder. Thus, the biodegradable polymer membrane blocks invasion of soft tissues, and then the bone fillers integrated with vertebra are maintained without loss.

Device for tightly gripping on the spinous process of the spine

Disclosed is a device for tightly gripping on the spinous process, installed between two spinous processes, with a horizontal hole through the main body, and two arc-shaped side plates connecting onto two ends of the main body, each plate having a through hole, and fastening on the spinous process, and a centrally placed item passing through a horizontal hole of the main body thereby connecting the main body and the two plates, and firmly fastened by a single or plurality of fastening items on one or two sides of the centrally placed item. Furthermore, the centrally placed item having at least one fixed hole section, and when the fastening items move toward the main body and tighten, the two plates change shape, putting pressure on the upper and lower gripping section of the two plates, this upper and lower gripping section therefore more firmly gripping on the spinous process.

Device and method for correcting a spinal deformity

A method for correcting a spinal deformity is provided. A spinal implant for correcting a spinal deformity includes a multipoint connector that connects to at least one vertebra of a spine at a plurality of locations and a force directing device that applies a force to the vertebra through the multipoint connector. The force directing device may include a rod which extends generally along an axis of the spine and a force directing member which is adjustably coupled to both the rod and the multipoint connector and which applies a corrective force to the at least one vertebra.

Apparatus for Minimally Invasive Posterior Correction of Spinal Deformity

An apparatus is operable to correct spinal deformities caused by scoliosis and the like. The apparatus may be used in a minimally invasive fashion and through the posterior side of the patient. A combination of internal screws and rods, as well as external pins, rods, and correction mechanisms, are used to obtain facet unlocking and translational correction of the affected vertebrae. The internal rods are inserted percutaneously and are secured to the affected vertebrae to maintain the deformity correction. External components are then removed, and the small incisions are sutured.

Methods for stabilizing bone structures

Methods, systems, devices and tools for placing bone stabilization components in a patient are provided. The systems and devices have a reduced number of discrete components that allow placement through small incisions and tubes. More particularly, the present invention is directed to systems and methods of treating the spine, which eliminate pain and enable spinal motion, which effectively mimics that of a normally functioning spine. Methods are also provided for stabilizing the spine and for implanting the subject systems.

Fracture Fixation Device

Assemblies for securing fractured bone are provided. The assembly includes a first fixation element, a second fixation element, and an adjustable flexible member construct. The first fixation element having a male or a female sleeve is secured within a first portion of the fractured bone. The second fixation element having the other of the male or female sleeve telescopically received within the one of the male or female sleeve is secured within a second portion of the fractured bone. The adjustable flexible member construct extends between the first and second fixation elements and has at least one adjustable loop coupled to the first fixation element and the second fixation element and a pair of adjusting ends extending through an opening in the first fixation element. The pair of adjusting ends can be pulled to reduce a diameter of the adjustable loop and to compress fragments of the fractured bone.

Medical implant, in particular a stent, for implantation in an animal body and/or human body

A medical implant ( 10 a , 10 b ), in particular a stent ( 12 a , 12 b ), for implantation in an animal body and/or human body ( 14 a , 14 b ), comprising a base body ( 16 a , 16 b ) which includes at least two segments ( 18 a , 18 a′, 18 b , 18 b′; 20 a , 20 a′, 20 b , 20 b ′) having at least two deflection points ( 24 a , 24 b ; 26 a , 26 b ) that are diametrically opposed in the axial direction ( 22 a , 22 b ), and at least one adjusting means ( 28 a , 28 b ; 30 a , 30 b ) that acts on the deflection points ( 24 a , 24 b ; 26 a , 26 b ) to adjust an extension ( 32 a , 32 b ) of the base body ( 16 a , 16 b ) in the circumferential direction ( 34 a , 34 b ). It is provided that an axial distance ( 36 a , 36 b ) between the two deflection points ( 24 a , 24 b ; 26 a , 26 b ) can be shortened using the adjusting means ( 28 a , 28 b ; 30 a , 30 b ).

Lamina implant set

An implant set for insertion into the lamina of a vertebra includes several reinforcing implants, each of which includes a main body with bearing surfaces on the vertebra and a fastening device. The main body has a front surface, a rear surface, and lateral and medial side surfaces, the medial side surface being offset rearwardly in relation to the lateral side surface. The side surfaces bear on sectioned surfaces of the lamina, and a rearwardly protruding extension with a lateral bearing surface on a spinous process of the vertebra is arranged on the rear surface. In this way, the resection opening can be easily and safely closed. Sleeves can be provided for the fastening by means of screws that are oriented such that the screws are guided through the adjoining facets and fuse the latter.

Smart device for non-invasive skeletal adjustment

This invention is an implantable device and system that allows post-operative, non-invasive adjustment of members of the skeletal system. It includes extension-resisting members and a compression-resisting member that connect members of the skeletal system. Post-operative, non-invasive adjustment of the tensions, lengths, widths, and/or torsions of the extension-resisting members changes the relative movement, position, or both movement and position of members of the skeletal system. The compression-resisting member may act as a fulcrum. This invention can help to pioneer the evolution of “smart” orthopedic devices that adjust skeletal biodynamics to address changing clinical needs and changes in patient activity over time. Some promising applications include: dynamic stabilization of the spine; correction of scoliosis; and bone elongation.

Rod attachement for head to head connector

Exemplary spinal fixation devices, systems, and method are provided for stabilizing vertebrae in a patient's spine. In one exemplary embodiment, methods and devices are provided for coupling one or more bone anchors, such as hooks, screws, etc., and/or one or more spinal fixation elements, such as spinal rods, cables, plates, etc. In certain exemplary embodiments, a cross connector is provided for connecting and stabilizing two bone anchors, a bone anchor and a spinal fixation element, or a bone anchor and bone.

Spinous process implant with a post and an enlarged boss

A spinous process implant with two plates that are connected together with a post. The implant is configured for each plate to be positioned on outer lateral sides of spinous processes with the post extending through the interspinous space. One or both plates may be movable along the length of the post to accommodate different anatomies such as for relatively wide or thin spinous processes. The post includes an enlarged head at a first end to prevent the first plate from disassociating from the post in a first direction. The post also includes a boss at a second end to prevent the second plate from disassociating from the post in a second direction. Methods of attaching the implants to the spinous processes are also disclosed.

Intersegmental motion preservation system for use in the spine and methods for use thereof

Medical devices and kits for dynamically stabilizing or preserving motion in a spine and limiting adjacent, non-adjacent, or isolated segment degeneration of the spine while providing a controlled, determinable range of motion at the treated site, as well as methods for surgical use of the system.

Enhanced Interfacial Conformance for a Composite Rod for Spinal Implant Systems with Higher Modulus Core and Lower Modulus Polymeric Sleeve

A spinal rod includes a core component and a tube. The core component has a diameter and an axial length. The tube has a diameter equal to or less than the diameter of the core component. A vibrational energy is applied between the core and the tube such that the core is received within the tube and the tube is advanced along the axial length of the tube. The spinal rod composite then has facial conformance forces maintaining the tube position along the axial length of the core.

Bone anchoring device

A bone anchoring device includes a receiving part for receiving a rod, the receiving part has a first bore coaxial with a longitudinal axis and a second bore, and an anchoring element having a first end for insertion into the bone and a second end positionable within a second bore, the anchoring element being movable relative to the receiving part in limited angular range about the longitudinal axis, the angles lying in a single plane. The bone anchoring device further includes a fixation element cooperating with the receiving part to lock the anchoring element relative to the receiving part. The anchoring element is pivotable relative to the receiving part around one rotational axis transverse to the longitudinal axis.

Implant

An implant comprises a deformable gas tight sack. The sack comprises a first chamber in fluid communication with an obturatable opening, the chamber filled or fillable with a filling material filling the first chamber. The implant is configured such that when one or both of a gas and fluid surrounding the filling material is removed from the first chamber through the opening, a wall of the first chamber forms around and holds the filling material. This causes the implant to transition from a relatively flexible insertion state to a relatively rigid fixation state in which the implant is fixable in the target portions of bone.

Instruments and Methods for Removing Fixation Devices from Intervertebral Implants

Anchor removal instruments and methods for using the instruments are provided. In some embodiments, an intervertebral implant anchor extractor tool comprises a support, a support retainer configured to hold the support fixed with respect to the implant, an extractor having an anchor retainer, and an extractor guide. An embodiment of a method of using this implant anchor extractor tool comprises the steps of obtaining access to an anchor, grasping the anchor, and applying a withdrawal force on the anchor while applying a countervailing force against the implant or a vertebral structure.

Collagen Biomaterial for Containment of Biomaterials

A biocompatible, resorbable collagen membrane containment member for a bone regenerative material, and a method of using such a containment member to regenerate a bone defect by surgically accessing the bone defect; disposing the containment member adjacent the bone defect, and thereafter injecting a bone regenerative material into the containment member.

Spinal Implants For Lumbar Vertebra To Sacrum Fixation

A spinal implant is provided for posterior vertebral stabilization and/or fixation of a lumbar vertebra relative to the pelvis by attachment to the spinous process of a lumbar vertebra and to the sacrum of the pelvis. The posterior spinal implant has a spinous process attachment portion and a sacrum attachment portion formed by a first part having a first spinous process segment and a first sacrum segment and a second part having a second spinous process segment and a second sacrum segment. The first segments are carried on a first arm, while the second segments are carried on a second arm with the first and second arms adjustable relative to each other. The first and second spinous process segments and the first and second sacrum segments each have a plurality of inwardly extending spikes for respectively gripping or clamping against the sides of the spinous process and the sacrum.

Polyaxial bone anchoring device with enlarged pivot angle

A polyaxial bone anchoring device includes: an anchoring element having a shaft and a head; a receiving part having a top end, a bottom end, and an accommodation space for accommodating the head, the accommodation space having a lower opening at the bottom end, a sleeve-like insert piece configured to be positioned around a portion of the head, wherein a lower edge of the insert piece extends past the lower opening when the insert piece is seated in the receiving part; a pressure member configured to contact the head to exert pressure onto the head; wherein when the head, the insert piece, and the pressure member are arranged in the receiving part, the insert piece is tiltable with respect to the receiving part and with respect to the anchoring element, and wherein the anchoring element and the insert piece can be locked at respective angles relative to the receiving part.

Devices and Methods For Treating Bone

A device is disclosed for reducing a vertebral compression fracture, comprising a superior end plate and an inferior end plate disposed along a vertical axis. The superior end plate and the inferior end plate are slidably separable in a vertical direction along the vertical axis. An interior chamber is provided in fluid communication with a port extending from an exterior to the interior chamber. The device is deployable within a vertebral body and expandable within the vertebral body by injecting a flowable material into the interior chamber thereby displacing the superior and inferior end plates along the vertical axis.

Low profile spinal prosthesis incorporating a bone anchor having a deflectable post and a compound spinal rod

A bone anchor comprising a self-centering ball-joint suitable for use in a spine stabilization prosthesis which supports the spine while providing for the preservation of spinal motion. The bone anchor has a deflectable ball-rod partially received in a socket of a housing formed in the head of the bone anchor. A centering rod received partially in the ball-rod and partially within the housing operates to align the ball-rod with the longitudinal axis of the bone anchor. Deflection of the ball-rod bends the centering rod which in turn applies a restoring force upon the ball-rod. The centering rod includes an inner-superelastic core and an outer polymer sheath.

Low profile spinal prosthesis incorporating a cannulated bone anchor having a deflectable post and a compound spinal rod

A cannulated bone anchor comprising a self-centering ball-joint suitable for use in a spine stabilization prosthesis which supports the spine while providing for the preservation of spinal motion. The cannulated bone anchor has a deflectable post partially received in a socket of a housing formed in the head of the bone anchor. A centering rod received partially in the post and partially within the housing operates to align the post with the longitudinal axis of the bone anchor. Deflection of the post bends the centering rod which in turn applies a restoring force upon the post. The centering rod includes an inner-superelastic core and an outer polymer sheath.

Fusion implant for facet joints

The invention involves a fusion implant for a facet joint, comprising a bearing module ( 1 ) and a fusion module ( 2 ), in which the fusion model ( 2 ) is arranged on the bearing module ( 1 ) and has a holder for transfacetal fastening means ( 65 ), whereby the bearing module ( 1 ) includes an expansion element and jaw elements ( 4, 4 ′), which have contact surfaces ( 43 ) for the lamina ( 93 ) on their outer sides moving away from each other and which are arranged to move longitudinally on a guide, so that the distance of the fusion module ( 6 ) is changeable using the expansion element. The bearing module forms a secure and safe anchoring for the fusion module, which can be repositioned. In addition, the bearing module has the effect of an augmentation, and as a result treatment is possible even on vertebrae that are weakened by defects.

Sacral tether anchor and methods of use

A system for restricting flexion of a spinal segment in a patient comprises a constraint device having a tether structure and a compliance member coupled with the tether structure. The tether structure is adapted to be coupled with a superior spinous process and a sacrum. The system also includes an anchor member that is anchored to the sacrum. The anchor member has an attachment feature that is adapted to couple with the constraint device.

Bone repair systems

Bone treatment plate assemblies, methods of fabrication, and methods of use. Such assemblies comprise spring structures assembled to bone treatment plates. The spring structure comprises elongate bands, and springs between the bands, urging the bands against structure of the plate. Spring width is less than spring height and/or one or more protuberances extending from the band or bands cooperate with one or more detents in the plate thereby to arrest longitudinal movement of the spring structure with respect to the plate.

Fixation screw assembly

An orthopedic device has a configuration that employs a scalloped profile that defines internal scalloped edges having troughs and crests that extend substantially along the outer edge of a head of the device. The troughs and crests interface with a series of troughs and crests around the openings in the device. Each of the openings includes an outwardly extending slot that permits the opening to expand and contract outward as the head of the anchor is rotated. This enables an anti-backout feature that prevents or substantially inhibits undesired rotation and backout.

Joint arthroplasty devices and surgical tools

Disclosed herein are methods, compositions and tools for repairing articular surfaces repair materials and for repairing an articular surface. The articular surface repairs are customizable or highly selectable by patient and geared toward providing optimal fit and function. The surgical tools are designed to be customizable or highly selectable by patient to increase the speed, accuracy and simplicity of performing total or partial arthroplasty.

Skeletal manipulation method

A method of treating scoliosis in a subject includes securing a scoliosis treatment device to first and second locations on the subject's skeletal system, the scoliosis treatment device including a first portion, a second portion moveably mounted relative to the first portion, and an adjustment device disposed on the device and configured to change a distraction force between the first location and the second location, the adjustment device including a rotationally mounted magnetic element configured to move the second portion relative to the first portion in response to rotation of the magnetic element. An external adjustment device is provided external to the subject and is able to adjust the distraction force between the first location and second location.

Method for distracting opposing vertebral bodies of a spine

A system and method is provided for distracting opposite surfaces from the interior of a bone, such as a vertebral body. A working channel cannula provides a working channel through which an inserter and an injection cannula can simultaneously pass. The inserter transports a plurality of wafers into the interior of the bone to form a load-bearing stack bearing against the opposite surfaces. The injection cannula is used to inject a fluent material into and/or around the stack. In certain embodiments, the fluent material is a load-bearing or hardenable material, such as bone cement. In other embodiments, the fluent material can be a BMP, HAP, or other osteo-inductive, osteo-conductive, or pharmaceutical compositions. A syringe containing the fluent material is engaged to the injection cannula and is operable to inject the fluent material into the vertebral body under controlled pressure.

Surgical Implant

A surgical implant comprises a body having a compressed state and an uncompressed state. An envelope contains the body in at least the compressed state. The envelope forms an air-tight seal around the body in the compressed state and is water-soluble or degradable in body fluids.

Bone anchoring device

A bone anchoring device includes a bone anchoring element including a shaft and a head, a receiving part for coupling a rod to the bone anchoring element, the receiving part including a rod receiving portion having a channel with a bottom for receiving a rod, and a head receiving portion to allow introduction and clamping of the head, and a locking ring including at least one projection, wherein the rod receiving portion has at least one cutout, wherein when the head is not locked, the projection is configured to extend through the cutout and into the channel, and wherein a first engagement portion is provided on the locking ring for engaging a second engagement portion at an inner wall of the cutout to hold the locking ring in a first position where the head is pivotable in the head receiving portion but is prevented from removal therefrom.

System for Pushing and Pulling Surgical Implants into Position in Vivo Via a Tether

The present invention describes a system suitable for guiding a biocompatible device to a target area within the body (in vivo) and method of using the same. The system includes a targeting member being constructed of, or having a steering material, which can be coupled to a biocompatible device. The system further includes one or more devices which are used to maneuver the targeting member into position prior to attachment of the biocompatible device. The biocompatible device is traversed into position through the passageway created by the targeting member and secured to one or more anchoring members.

Bone plate incorporating a compression mechanism and associated surgical methods

The present invention provides a bone plate that includes a sliding mechanism that allows for both static and dynamic loading and the associated stabilization or partial or whole immobilization of two or more adjacent bone fragments or vertebral bodies of the spine. This sliding mechanism is designed such that as bone resorbs or the like, the sliding mechanism maintains axial compression in a collinear manner across the bone segments.

Bone anchoring device

A bone anchoring device includes a bone anchoring element having a head and a shaft, a receiving part for coupling the bone anchoring element to a stabilization element, the receiving part having a bore having a bore axis, a seat member configured to be arranged in the bore and to be rotatable around the bore axis, the seat member forming a seat for polyaxially holding the head, the seat member being configured to allow a greater pivot angle of the bone anchoring element in a first direction compared to other directions when the bone anchoring element and the seat member are in the receiving part, and a pressure member configured to contact the head to exert pressure onto the head, and to be connected to the seat member, such that the pressure member is rotatable together with the seat member around the bore axis.

Retractor Component System And Method Comprising Same

A blade assembly has a blade body and a blade body surround. A retractor attachment structure is attached to the blade body at the first end portion thereof extending from an exterior surface thereof. The retractor attachment structure is configured for having one of the blade body mounting structures of the retractor engaged therewith in a manner whereby the blade body is independently pivotable about and translatable along the blade body mounting structure. An alignment member protrudes from an interior surface of the blade body adjacent its first end portion. A slot extends through the blade body at its first end portion. The blade body surround and the blade body jointly form a generally cylindrical-shaped structure when the blade body is in a seated position within the slot. The cylindrical structure defines a central passage extending between the first and second end portions of blade body surround.

Percutaneous compression and distraction system

A compression and distraction shaft assembly applies compression and distraction to bones including vertebrae. Shaft A assembly and shaft B assembly are attached together via a polyaxial fulcrum. The polyaxial fulcrum allows all rotational degrees of freedom between shaft A assembly and shaft B assembly. Such fulcrum, during compression and distraction, does not impart ancillary stresses or motion to vertebrae. An hourglass-shaped bore for engaging pliers is formed in approximately middle of both the shaft A assembly and the shaft B assembly. Distraction pliers having cylindrical tips are used to apply distraction to vertebrae. Once handles are pressed to impart an appropriate amount of distraction to the vertebrae, they are locked in this position. Compression pliers having cylindrical tips are used to apply compression to vertebrae. Once handles are pressed to impart an appropriate amount of compression to the vertebrae, they are locked in this position.

Instruments and techniques for adjusting relative positioning of bones or bony tissues

Systems, methods, devices and instruments for adjusting the relative positioning of bones or bony tissues, such as two or more vertebrae, are provided. More particularly, in one form, an instrument includes first and second end members that are freely movable relative to one another in a first configuration of the instrument, while in a second configuration the first and second end members are only movable relative to one another upon rotation of a displacement member. In one aspect of this and/or other forms, the first and second end members include hook portions that are selectively rotatable relative to one another such that the instrument can be used for compression or distraction of the bones or bony tissues. In another form, techniques for adjusting the relative positioning of bones or bony tissues are provided.

Instrument for reduction of a vertebral rod and method of use

An instrument and method for reducing a vertebral rod into an anchor attached to a vertebral member. The instrument may include a gripper configured to attach to an anchor, an elongated shaft extending along a longitudinal axis between opposing jaws of the gripper, and a reducing element disposed at least partially outside the first and second jaws of the gripper and configured to engage with the vertebral rod. A release device may also be disposed about the elongated shaft and may be movable relative thereto such that the release device may be selectively engaged with a threaded outer surface of the elongated shaft. The reducing element may therefore be alternatively slidable relative to the gripper or threadably movable relative to the gripper by interaction with the elongated shaft, depending on a position of the release device.

Image-based patient-specific medical spinal surgery method and spinal prosthesis

The present invention relates to an image-based, patient-specific medical spinal surgery technique and to a spinal prosthesis to the surgery, and particularly, to an image-based, patient-specific medical spinal surgery technique and to a spinal prosthesis which are intended to solve a problem of damage to a spine caused by installing a spinal prosthesis used in spinal surgery, by introducing an image of a patient to manufacture an insertable spinal prosthesis that is customized for a shape of a spine of an individual patient in a polymer-based material.

Crosslink Devices for a Growing Spinal Column Segment

The system includes a pair of elongate connecting elements positionable along two or more vertebrae of a spinal column segment. Also included is a crosslink device which is structured to form a mechanical connection between the two connecting elements and is capable of spanning a range of distances separating the two connecting elements to accommodate medial-lateral separation of the connecting elements as the spinal column segment grows over time.

Low profile spinal prosthesis incorporating a cannulated bone anchor having a deflectable post and a compound spinal rod

A cannulated bone anchor comprising a self-centering ball-joint suitable for use in a spine stabilization prosthesis which supports the spine while providing for the preservation of spinal motion. The cannulated bone anchor has a deflectable ball-rod partially received in a socket of a housing formed in the head of the bone anchor. A centering rod received partially in the ball-rod and partially within the housing operates to align the ball-rod with the longitudinal axis of the bone anchor. Deflection of the ball-rod bends the centering rod which in turn applies a restoring force upon the ball-rod. The centering rod includes an inner-superelastic core and an outer polymer sheath.

Semi-rigid screw assembly

A semi-rigid head for a bone screw comprising includes a first rigid portion, a second rigid portion, and a semi-rigid portion. The first rigid portion is configured to receive a fixation rod. The second rigid portion is configured for coupling with a bone screw. The semi-rigid portion links the first rigid portion with the second rigid portion.

Spinal Stabilization Device

A flexible connection unit for use in a spinal fixation device, including: a longitudinal member having first end portion, a second end portion and a flexible member interposed between the first end portion and the second end portion, at least one of the first end portion and the second end portion configured to be coupled to a first bone securing member; and a spacer located between the first and second end portions, wherein at least a portion of the flexible member passes through an axial channel of the spacer and wherein the spacer comprises a resilient element configured to be coupled to a second bone securing member.

Polyaxial bone anchor with pop-on shank, friction fit retainer and winged insert

A polyaxial bone screw assembly includes a threaded shank body having an integral upper portion receivable in an integral receiver, the receiver having an upper channel for receiving a longitudinal connecting member and a lower cavity cooperating with a lower opening. A down-loadable compression insert with tool receiving arm extensions, a down-loadable friction fit split retaining ring and an up-loadable shank upper portion cooperate to provide for pop- or snap-on assembly of the shank with the receiver either prior to or after implantation of the shank into a vertebra. The shank and receiver once assembled cannot be disassembled.

Percutaneous Technique and Implant For Expanding The Spinal Canal

Expanding a spinal canal by drilling a cylindrical passage in each pedicle of a vertebra, making a circumferential pedicle cut (osteotomy) through each pedicle from within the passage, separating each pedicle cut by inserting an implant into the passage to distract the pedicle cut (i.e., lengthen the pedicle) to expand the spinal canal, and securing each pedicle cut, allowing the vertebra to heal with the spinal canal expanded. The implant can include an outer sleeve, an inner bolt, and expandable flanges. The outer sleeve includes an upper and a lower portion, with the expandable flanges therein. Rotation of the inner bolt causes the upper and lower portions of the outer sleeve to separate, causing the pedicle cut to widen and the expandable flanges to radially extend into and stabilize the widened pedicle cut for expansion of the spinal canal.

Torque Limited Instrument For Manipulating A Spinal Rod Relative to a Bone Anchor

An instrument for adjusting a spinal rod relative to a bone anchor includes a handle connecting a set screw driver with a reduction collar. The handle includes an inner shaft engageable with the set screw driver, an outer shaft engageable with the reduction collar, and a clutch connecting the inner shaft to the outer shaft and permitting selective rotation of the inner shaft relative to the outer shaft, and thus, selective rotation of the set screw driver relative to the reduction collar, upon application of a torque to the reduction collar and the outer shaft greater than a preselected torque value.

Extra-Articular Implantable Load Sharing Systems

A system and method for sharing and absorbing energy between body parts. In one particular aspect, the system facilitates absorbing energy between members forming a joint such as between articulating bones.

Medical device, apparatus, and surgical method

A pedicle anchor device is provided and is equipped for being used like a pedicle screw, i.e. for being implanted in the vertebra from dorsal direction (but generally at an angle to the sagittal plane, slightly inward towards the sagittal plane) through the pedicle so that a distal portion of the device protrudes into the vertebral body. The pedicle anchor device includes a pedicle anchor device body with a head portion, a shaft portion and a longitudinal bore that extends from a proximal end of the pedicle anchor device body and has a hole or a plurality of holes from the longitudinal bore outward, for example radially outward.

Non-invasive adjustable distraction system

A spinal distraction system includes a distraction rod having a first end and a second end, the first end being configured for affixation to a subject's spine at a first location, the distraction rod having a second end containing a recess having a threaded portion disposed therein. The system further includes an adjustable portion configured for affixation relative to the subject's spine at a second location remote from the first location, the adjustable portion comprising a housing containing a magnetic assembly, the magnetic assembly affixed at one end thereof to a lead screw, the lead screw operatively coupled to the threaded portion. A locking pin may secure the lead screw to the magnetic assembly. An o-ring gland disposed on the end of the housing may form a dynamic seal with the distraction rod.

Spinal implant device with fixation plates and lag screws and method of implanting

There is provided a spinal implant device for placement between adjacent spinous processes. The spinal implant device includes first and second fixation plates, a connector, and first and second lag screws. The first fixation plate includes a first and second screw holes. The second fixation plate includes third and fourth screw holes. The first lag screw extends through the first and third screw holes and threadedly engages a respective one of the first or third screw holes with the superior spinous process disposed between the first and second superior ends. The second lag screw extends through the second and fourth screw holes and threadedly engages a respective one of the second or fourth screw holes with the inferior spinous process disposed between the first and second inferior ends. A method of implanting the device is provided.

Posterior Cross Connector Assembly

A spinal rod cross connector assembly for connection to adjacent spinal rods provides polyaxial positioning of polyaxial heads of the cross connector assembly relative to each spinal rod and which allows adjustment and fixation of the span of a cross connector or arm of the cross connector assembly between the two polyaxial heads through movement of the cross member relative to only one polyaxial head. Each polyaxial head has a clamp that provides attachment to the respective spinal rod and which allows the body of the polyaxial head to rotate relative thereto. Fixation of the orientation of a polyaxial head is achieved through placement and interaction of a set screw in the polyaxial head. The arm is preferably integral with and extends from a lateral side of one of the polyaxial heads. The second one of the polyaxial heads receives the arm and allows length adjustment relative thereto.

Spinal motion preservation devices and methods of use

Orthopedic implants are adapted to replace the function of a natural disc of the spine. In an embodiment, the implant can be placed across the disc space through a trans-pedicular corridor using a substantially posterior surgical approach. In another embodiment, an implant can be placed across the disc space at a different level through a substantially lateral or anterior approach.

Devices For Introduction Into A Body Via A Substantially Straight Conduit To Form A Predefined Curved Configuration, And Methods Employing Such Devices

A device for introduction into a body in a straight configuration and assuming within the body a predefined curved configuration, includes an elongated element formed from a number of segments interconnected so as to form effective hinges therebetween. When the elongated element is confined to a straight state, the effective hinges transfer compressive forces from each segment to the next so that the elongated element can be pushed to advance it through a conduit. When the elongated element is not confined to a straight state, the effective hinges allow deflection of each segment relative to adjacent segments until abutment surfaces of the segments come into abutment, thereby defining a fully flexed state of the elongated element with a predefined curved configuration. The device can be produced with a wide range of two-dimensional and three-dimensional curved forms, and has both medical and non-medical applications.

Sleeve for bone fixation device

Disclosed is a bone fixation device of the type useful for connecting two or more bones or bone fragments together or connecting soft tissue or tendon to bone. The device comprises an elongate body having a distal anchor thereon. An axially moveable proximal anchor is carried by the proximal end of the fixation device, to accommodate different bone dimensions and permit appropriate tensioning of the fixation device. A sleeve can surround at least a portion of the bone fixation device to promote bone in-growth with or at the bone joint or fracture to facilitate fusion of the bone segment.

Spinous process device and method of use

A spinous process device and method are disclosed. The device includes a first plate having a first part slidably coupled to a second part, a second plate having a third part slidably coupled to a fourth part, and first and second connector devices configured to be placed through openings created in spinous processes and rotatably couple respective first and second parts to third and fourth parts of the first and second plates together allowing angular displacement of the second plate with respect to the first plate and secure the spinous processes between the first and second plates.

Spine Stabilization

A bone stabilizing plate includes two plate portions, each affixable to bones of a patient, the plate portions telescoping together with mating rails and grooves. A limiter associated with one of the plate portions sliding engages one a catch associated with the other of the plate portions, when the plate portions are telescoped together, and resists stops telescoping when the plate portions are telescoped a predetermined distance apart. Once the limiter and catch are engaged, the plate portions enable imposition of a minimum compressive force between bones connected to the plates. The limiter is resiliently positioned to deflect into a relief formed in its respective plate portion. A groove positioned proximate the catch enables free telescoping motion limited by the engagement of the catch and limiter, whereby the minimum compressive force between bones is maintained, and Wolfe's Law may apply.

Conical interspinous apparatus and a method of performing interspinous distraction

A conical interspinous apparatus comprising: an insertion portion with a proximal end, a distal end, and conical screw-shaped grooves configured to distract two adjacent spinous processes; a shaft portion, coupled to the distal end of the insertion portion, and having a smaller cross-section than a cross-section at the distal end of the insertion portion, such that the two spinous processes rest on the shaft portion; and a clamp portion being movable and securable along the shaft, and being configured to secure the two spinous processes between the clamp portion and the distal end of the insertion portion.

Facet joint implant

A facet joint implant includes a joint surface replacement implant and a fastening device for fixing the joint surface replacement implant in the joint gap of a facet joint of a human or animal spinal column. The fastening device includes at least two fastening elements that protrude from the joint surface replacement implant. The at least two fastening elements are each provided in the region of their free ends with at least one fixing element through hole. The facet joint implant includes a fixing element which is fed through at least two fixing element through holes of at least two fastening elements. The free ends of the fixing element are connectable to one another.

Device for connecting transverse beam at triangular position of vertebral lamina

A fixing device for securing vertebral lamina includes a transverse rod, a vertical rod having a length longer than that of the transverse rod and a joint having a vertical hole to securely receive therein a portion of the vertical rod and a cutout communicating with the vertical rod to receive therein a portion of the transverse rod.

Orthopedic Anchor Assembly

In an exemplary embodiment, the present invention provides an anchor assembly that can be used for the fixation or fastening of orthopedic devices or instruments to bone tissue. In particular, the present invention preferably provides a variable angle or fixed angle anchor assembly that is able to securely connect the orthopedic device to bone tissue even when there is a variance in the angle and position of the assembly with respect to the device. Furthermore, in an exemplary embodiment, the present invention provides an anchor assembly having a locking mechanism that will quickly and easily lock the anchor assembly with respect to the orthopedic device.

Pedicle screws and methods of use

A pedicle screw configured to secure a rod is disclosed. In some embodiments, the pedicle screw is provided with a shaft, a yoke, a cap, a saddle and at least one separating device. The shaft has a forward end, a rear end and a longitudinal axis, the forward end being configured for insertion into a bone. The yoke is attached to the rear end of the shaft and has an interior wall nearest the shaft configured to bear against a rod inserted into the yoke. The cap is configured to engage an end of the yoke opposite the shaft. The saddle has a first side configured to mate with the cap within the yoke, and has an opposite second side configured to bear against the rod. The at least one separating device is coupled between the cap and the saddle, and is configured to urge the cap and the saddle apart from one another. With this arrangement, the yoke, the cap, the saddle and the at least one separating device cooperate to urge the rod against the interior wall of the yoke when the at least one separating device urges the cap and the saddle apart. Methods of securing a rod to a pedicle screw are also disclosed.

Bone anchoring nail

A bone anchoring nail is provided having a threadless shaft with a free end, a head opposite to the free end, the head having a substantially U-shaped recess for accommodation of a rod or a rod-shaped element, a longitudinal bore extending through the shaft and opening towards any one of the head and the free end and a plurality of openings extending through the wall of the shaft and being in communication with the bore. The bone anchoring nail allows quick insertion and reliable fixation enhanced by the in-growth of blood vessels.

Anterior lumbar interbody graft inserter

An anterior lumbar interbody graft (ALIG) inserter includes prongs at the tip of the inserter which can optionally grasp, and thus insert, anterior and anterior-lateral grafts.

Spinal Implant Connection Assembly

The present invention provides a connection assembly that can be used to securely connect a spinal implant to a bone anchor. In particular, the present invention preferably provides a spinal implant connection assembly that is able to securely connect the spinal implant to the anchors even when there is a variance in the angle and position of the anchors with respect to the spinal implant. Furthermore, the present invention provides a connection assembly with structure to increase the locking strength of the connection assembly.

Method and Apparatus for Performing Spinal Fusion Surgery

Implants, instruments, and methods for performing surgical procedures on the spine, including one or more of creating an operative corridor to the spine, delivering implants to the spine, fusing one or more segments of the spine, and fixing one or more segments of the spine.

Polyaxial pedicle screw

A spinal stabilization assembly is provided and includes a cup, fastener and keeper portions surrounding the head of the fastener. Further, methods of use of a spinal stabilization assembly are also provided. The keeper portions are located within the cup and at least partially surround the head of the fastener.

Red light implants for treating osteoporosis

Red light implants for delivering red light to spinal implants to enhance osteointegration.

Device for expandable spinal laminoplasty

The invention relates to devices, implants, systems, techniques and methods for addressing certain conditions of the spine, including devices, implants, systems and methods for performing spinal laminoplasty or other expansion of the spinal canal. The devices of the invention are expandable in situ, providing greater versatility for surgeons performing various procedures where expansion of the spinal canal is desired.

Spinal Facet Implants with Mating Articulating Bearing Surface and Methods of Use

Superior and/or inferior facets of one or more facet joints may be replaced by superior and/or inferior facet joint prostheses. In one embodiment, a kit of superior or inferior prostheses is provided, in which the prostheses have at least two dimensions that vary among members of the kit independently of each other. Each prosthesis may have a bone engaging surface having a surface that is polyaxially rotatable against a corresponding resection of a vertebra. Each prosthesis may also have an articulating surface shaped such that, after attachment to the spine, the replaced or partially replaced facet joints provide a larger medial-lateral range of motion when the spine is flexed than when the spine is extended. Crosslinks may be used to connect left and right prosthesis together in such a manner that they are stabilized in a position in which they are seated directly against the vertebra.

Methods and apparatuses for vertebral body distraction and fusion employing a coaxial screw gear sleeve mechanism

Improved methods and apparatuses for vertebral body distraction and fusion in accordance with various embodiments of the present invention employ one or more coaxial screw gear sleeve mechanisms. In various embodiments, coaxial screw gear sleeve mechanisms include a post with a threaded exterior surface and a corresponding sleeve configured to surround the post, the corresponding sleeve having a threaded interior surface configured to interface with the threaded exterior surface of the post and a geared exterior surface. A drive mechanism can be configured to interface with the geared exterior surface of the sleeve, causing the device to distract.

Low profile intervertebral implant

The present invention is directed to a low profile intervertebral implant ( 10 ) for implantation in an intervertebral disc space (D) in-between adjacent vertebral bodies (V). The intervertebral implant includes a plate ( 40 ) preferably coupled to a spacer ( 20 ). The plate is preferably formed from a first material and the spacer is preferably formed from a second material, the first material being different from the second material. The plate is preferably sized and configured so that the plate does not extend beyond the perimeter of the spacer. In this manner, the plate preferably does not increase the height profile (hs) of the spacer and the plate may be implanted within the intervertebral disc space in conjunction with the spacer.

Systems and methods for delivering an implant between adjacent vertebras using endoscopy

An optical intervertebral implantation system can be used for a method of implanting an intervertebral implant into an intervertebral space with visualization. The system can include an elongate light guide and an intervertebral implant operably coupled with the elongate light guide. The elongate light guide can be configured as a guide wire and received through an aperture of the implant. The elongate light guide can be configured as a guide wire and the implant is received over and slides along on outside surface of the elongate light guide. The elongate light guide can be configured as a cannula having an internal conduit and the implant is received within the conduit. The elongate light guide can be configured as a cannula with an internal conduit and the implant is slidably coupled with an internal surface of the internal conduit of the cannula.

Bone Fixation Plate

An apparatus for reducing the profile of a bone fixation plate while preventing backing out of screws is disclosed. The plate has at least two openings though which two screws can pass through bony tissue. The apparatus includes at least one section of relief and sections of engagement. As the screw is tightened, it will begin to lag the plate to the bone. When the screw head interferes with the plate at the interference point, there is a slight resistance that insertion forces can overcome. When the screw is advanced further, it snaps into the sliding fit area and is allowed to move freely. The forces that cause the screw to back out from the plate are preferably not strong enough to pass the screw head back past the interference section.

Device and method for spinal surgery

Instrumentation for fixing at least two spinal vertebrae by pedicle screw type bone anchoring implants and connecting elements via the posterior or posterolateral approach has at least one bone anchoring element designed to be fixed to a vertebra, pre-mounted with a disposable mounting tube and a sterile sealed packaging. A kit of instruments for inserting or removing a spinal implant, has at least two threaded bone anchoring elements, a rod-type or plate-type connecting element mechanically connecting the bone anchoring elements and locking elements for locking the connecting element in position in relation to the anchoring elements, in order to perform all of the surgical procedures relating to the insertion or removal of the implant, all of the required instruments are disposable and packed in a sterile manner in one or several sealed packagings.

Bi-directional fixating/locking transvertebral body screw/intervertebral cage stand-alone constructs with vertical hemi-bracket screw locking mechanism

A bi-directional fixating transvertebral (BDFT) screw/cage apparatus is provided. The BDFT apparatus includes an intervertebral cage including a plurality of internal angled screw guides, a plurality of screw members, and a cage indentation adjacent to the screw guides that independently or supplemented by other screw locking mechanisms prevents the screw members from pulling out of the internal angled screw guides. The internal angled screw guides orient a first screw member superiorly and a second screw member inferiorly. The intervertebral cage is adapted for posterior lumbar intervertebral placement, anterior lumbar intervertebral placement, anterio-lateral thoracic intervertebral placement, or anterior cervical intervertebral placement.

Method for augmenting, reducing, and repairing bone with thermoplastic materials (as amended)

A method for augmenting a tissue including introducing into the tissue a first thermoplastic material at a first condition; treating the first thermoplastic material to achieve a second condition that includes an at least partially crystalline skin; and introducing a second material into the tissue whereby the first thermoplastic material and the second material are contained by the at least partially crystalline skin. Also a method of fracture reduction in a tissue including exposing to gamma radiation a mass of polycaprolactone characterized by a first shape; heating the mass of irradiated polycaprolactone above its melting temperature; introducing the heated mass of polycaprolactone into the tissue annulus to deform it from the first shape; allowing the material to return to the first shape.

Vertebral joint implants and delivery tools

A spinal joint distraction system for treating a facet joint including articular surfaces having a contour is disclosed and may include a delivery device including a generally tubular structure adapted to engage a facet joint, an implant adapted to be delivered through the delivery device and into the facet joint, the implant comprising two members arranged in opposed position, and an implant distractor comprising a generally elongate member adapted to advance between the two members of the implant causing separation of the members and distraction of the facet joint, wherein the implant is adapted to conform to the shape of the implant distractor and/or the articular surfaces of the facet upon being delivered to the facet joint. Several embodiments of a system, several embodiments of an implant, and several methods are disclosed including a method for interbody fusion.

Subchondral treatment of joint pain of the spine

Methods for altering the natural history of degenerative disc disease and osteoarthritis of the spine are proposed. The methods focus on the prevention, or delayed onset or progression of, subchondral defects such as bone marrow edema or bone marrow lesion, and subchondral treatment to prevent the progression of osteoarthritis or degenerative disc disease in the spine and thereby treat pain.