Изобретение относитс к медицине, а именно к ортопедии и травматологии и может быть использовано дл хирургической коррекции деформаций-и стабилизации межпозвонковых сочленений при сколиозах, кифозах , остеохондрозах и других заболевани х позвоночника.The invention relates to medicine, namely to orthopedics and traumatology, and can be used for the surgical correction of deformities and stabilization of the intervertebral joints in scoliosis, kyphosis, osteochondrosis and other diseases of the spine.
Известен фиксатор позвоночника, содержащий опору в виде параллелепипеда, снабженный элементами фиксации в виде выступов параболической формы с режущими кромками, ориентированными под углом к продольной оси параллелепипеда.A spinal fixer is known, which contains a parallelepiped support, provided with fixation elements in the form of parabolic projections with cutting edges oriented at an angle to the longitudinal axis of the parallelepiped.
Однако это устройство не может произвести коррекпию деформации, заключающейс в нарушении угловых взаимоотношений между телами смежных позвонков, что имеет место при сколиозах, кифозах и остеохондрозах позвоночника. Это обусловлено выполнением устройства в виде параллелепипеда. Кроме того из-за конструктивных особенностей элементов вправлени и стабилизации устройство может эффективно иротивосто ть только сдвигаюп1им нагрузкам в сагиттальной плоскости, но не обладает стабилизирующим эффектом в отношении моментов сил, ротирующих позвонки во фронтальной и сагиттальной плоскост х, т. е. не позвол ет создать полностью неподвижный контакт .между артродезируемыми позвонками.However, this device cannot correct the deformity, which is a violation of the angular relationship between the bodies of the adjacent vertebrae, as is the case with scoliosis, kyphosis, and osteochondrosis of the spine. This is due to the implementation of the device in the form of a parallelepiped. Moreover, due to the design features of the reduction and stabilization elements, the device can effectively and resist only shifting loads in the sagittal plane, but does not have a stabilizing effect with respect to the moments of forces that rotate the vertebrae in the frontal and sagittal planes, i.e. it does not allow fully immobile contact between arthrodesic vertebrae.
Цель изобретени - обеспечение возможности коррекции и стабильной фиксации fio3BOHKOB за счет исключени ротации во фронтальной и сагиттальной плоскост х.The purpose of the invention is to provide the possibility of correction and stable fixation of the fio3BOHKOB by eliminating rotation in the frontal and sagittal planes.
Поставленна цель достигаетс тем, что в фиксаторе позвоночника, содержащем опору с элементами фиксации, опора выполнена в виде клина и снабжена соединительной пластиной с зубцами.The goal is achieved by the fact that in the spinal fixator, which contains a support with fixation elements, the support is made in the form of a wedge and is provided with a connecting plate with teeth.
На фиг. 1 показано устройство, общий вид; на фиг. 2 - межтеловой промежуток, вид после установки фиксатора (переднезадн проекци ); на фиг. 3 - межтеловой промежуток, вид после установки фиксатора (бокова проекци ).FIG. 1 shows the device, a general view; in fig. 2 - interbody spacing, view after installing the lock (anteroposterior projection); in fig. 3 - interbody gap, view after the installation of the lock (side projection).
Фиксатор позвоночника имеет .межтеловую опору 1, выполненную клинообразно, на несущих поверхност х которой выполнены стабилизирующие элементы 2 в виде «елочки, и снабжен соединительной пластиной 3 в виде швеллера, кра полок которого вл ютс режупхими и снабжены зубцами 4. На полках соединительной пластины 3 имеютс отверсти 5 дл прорастани костной ткани.The spinal fixator has an interbody support 1, made in a wedge-shaped manner, on the bearing surfaces of which stabilizing elements 2 are made in the form of a "herringbone," and equipped with a connecting plate 3 in the form of a channel, the flanges of which are reziphimi and provided with teeth 4. On the shelves of the connecting plate 3 there are openings 5 for bone germination.
Применение предлагаемого корректорафиксатора позвоночника показано на конкретном примере при оперативном вмещательстве у больного с кифосколиотической деформацией межпозвонкового сочленени между четвертым и п тым по сничными позвонка .ми.The application of the proposed spinal fixator is shown on a specific example in case of operative placement in a patient with kyphoscoliotic deformity of the intervertebral junction between the fourth and fifth lumbar vertebrae.
0 В операционной больного интубируют и обеспечивают эндотрахеальный наркоз. Положение больного - на спине. Типичным реберно-паховым забрющинным доступом производ т обнажение переднего отдела четвертого по сничного межпозвонкового0 In the operating room, the patient is intubated and provided with endotracheal anesthesia. The position of the patient - on the back. Typical rib-inguinal bullying access exposes the anterior part of the fourth lumbar intervertebral
5 диска и тел четвертого и п того по сничных позвонков. Производ т удаление тканей пульпозного дра и внутренних отделов фиброзного кольца четвертого межпозвонкового диска, но без резекции замыкательных пласQ тинок. Дл облегчени последующей установки фиксатора делают просечку кортикаль.ного сло смежных позвонков в поперечном направлении на рассто нии от краев тел, соответствующем рассто нию от опорной поверхности корректора-фиксатора до полки5th disk and the bodies of the fourth and fifth of the lumbar vertebrae. The tissue of the pulpal core and the internal parts of the fibrous ring of the fourth intervertebral disk are removed, but without resection of the endocrine glands. In order to facilitate the subsequent installation of the fixer, a cortical layer of the adjacent vertebrae is cut in the transverse direction at a distance from the edges of the bodies, corresponding to the distance from the bearing surface of the corrector-fixer to the shelf.
5 соединительной пластины.5 connecting plate.
Затем в межтеловой про.межуток с помощью импактора и .молотка внедр ют фиксатор , что приводит к изменению взаимного расположени смежных позвонков в соответствии со взаимны.м расположением несу0 щих поверхностей и соотношением высот переднего и заднего отделов .межтеловой опоры. Внедрение полок соединительной пластины 3 в тела позвонков приводит к образованию надежной св зи .между фиксатором и смежными позвонками.Then, a fixator is inserted into the interbody space by means of an impactor and a hammer, which leads to a change in the relative position of the adjacent vertebrae in accordance with the mutual arrangement of the supporting surfaces and the ratio of the heights of the anterior and posterior parts of the interbody support. The introduction of the shelves of the connecting plate 3 into the vertebral bodies leads to the formation of a reliable connection between the fixator and the adjacent vertebrae.
5five
Таким образом,предлагаемый корректорфиксатор позвоночника за счет новых конструктивных элементов (межтелова опора в форме клина и соединительный элемент в виде швеллера) обеспечивает оптимальныеThus, the proposed corrector spine due to new structural elements (interbody support in the form of a wedge and the connecting element in the form of a channel) provides optimal
0 анатомические взаимоотношени между телами смежных позвонков с одновременной стабилизацией артродезируемого сегмента. Как материал дл фиксатора может быть использована керамика. В институте изготовлены 15 корректоров-фиксаторов, которые0 anatomical relationship between the bodies of the adjacent vertebrae with simultaneous stabilization of the arthrodesis segment. Ceramic can be used as a retainer material. The institute has made 15 correctors-fixers, which
5 прошли экспери.ментальную проверку и будут применены в показанных случа х.5 have been tested experimentally and will be applied in the cases shown.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU833570386ASU1107854A1 (en) | 1983-03-30 | 1983-03-30 | Spine fixative |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU833570386ASU1107854A1 (en) | 1983-03-30 | 1983-03-30 | Spine fixative |
| Publication Number | Publication Date |
|---|---|
| SU1107854A1true SU1107854A1 (en) | 1984-08-15 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU833570386ASU1107854A1 (en) | 1983-03-30 | 1983-03-30 | Spine fixative |
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| SU (1) | SU1107854A1 (en) |
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