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Изобретение относитс к медицинской технике, а именно к травматологическому инструментарию дл остеосинтеза.The invention relates to medical technology, namely to traumatological instruments for osteosynthesis.
Цель изобретени - снижение травма- тичности при установке и удалении устройства .The purpose of the invention is to reduce trauma during installation and removal of the device.
На фиг. 1 изображено устройство дл остеосинтеза в рабочем положении, вид сверху; на фиг. 2 - пластина в рабочем положении , вид сбоку; на фиг. 3 - то же, посПластину 1 устройства охлаждают до тем пературы ниже 10°С, например, путем орошени хлорэтилом в течение 5-10 с, затем охлажденную пластину 1, кольцо 4 которой сведено, а выступы 5 и 6 расположены перпендикул рно пластине 1, накладывают на сопоставленные костные отломки 10 и 11. Через 20-30 с в св зи с эффектом фор- мовосстановлени , наступающим при контактном нагревании никелида титана до 35°СFIG. 1 shows a device for osteosynthesis in the working position, top view; in fig. 2 - plate in working position, side view; in fig. 3 - the same, after device Plate 1, the device is cooled to a temperature below 10 ° C, for example, by spraying with chloroethyl for 5-10 seconds, then cooled plate 1, ring 4 of which is reduced, and projections 5 and 6 are arranged perpendicular to plate 1, impose on juxtaposed bone fragments 10 and 11. After 20-30 s in connection with the effect of formation, which occurs upon contact heating of titanium nickelide to 35 ° C
ле деформации в охлажденном состо нии,Ю пластина 1 стремитс прин ть заданнуюafter deformation in a chilled state, u plate 1 tends to accept a given
вид сверху; на фиг. 4 - то же, вид сбоку;(т-е- первоначальную) форму; выступы 5 и 6view from above; in fig. 4 - the same, side view; (tf is the initial) form; protrusions 5 and 6
на фиг. 5 - сечение А-А на фиг. 1; навстречно изгибаютс , а кольцо 4 разводитс ,in fig. 5 is a section A-A in FIG. one; bends outwardly and ring 4 is diluted
фиг. 6 - шплинт устройства после деформа-обеспечива фиксацию пластины и компресции в охлажденном состо нии, вид сбоку.сию костных отломков 10 и 11. Затем устаУстройство дл остеосинтеза содержит15 навливают на место охлажденные шплинты 7FIG. 6 - device pin after deformation - ensuring fixation of the plate and compression in a cooled state, side view of bone fragments 10 and 11. Then, the device for osteosynthesis contains 15 poured cooled pin 7 into place.
накостную пластину 1 с продольными паза-со сведенными концами 8 . В процессеplate plate 1 with a longitudinal groove-with the ends of the 8. In the process
ми 2 и 3, с перемычкой в виде кольца 4 овальной формы в средней части и встречно загнутыми по концам выступами 5 и 6, а также шплинты 7, выполненные в виде изогнагрева шплинтов 7 до 30°С концы 8 и 9 развод тс в противоположные стороны и заклиниваютс в пазах 2 и 3 и костно-моз- говом канале. Таким образом обеспечиваетнутых пластин, содержащих дугообразно 20 с надежный компрессионный остеосинтеа загнутые в противоположные стороны кон- костных фрагментов 10 и 11. цы 8 и 9 и головку в виде незамкнутого кольца., Шплинты 7 располагаютс в пазахmi 2 and 3, with a jumper in the form of an oval-shaped ring 4 in the middle part and protrusions 5 and 6 bent at the ends, as well as cotter pins 7, made in the form of curvier-heating of cotter pins 7 to 30 ° C; and are wedged in slots 2 and 3 and in the medullary canal. Thus, provided plates containing an arcuate 20 with a reliable compression osteosynthesis, bent to opposite sides of the cone fragments 10 and 11. The rings 8 and 9 and the head in the form of an open ring. Split 7 are located in the slots
2 и 3 пластины 1 с возможностью заклинивани .2 and 3 plates 1 with the possibility of jamming.
Устройство выполнено из материала с пам тью формы, например сплава на основе никелида титана, что обеспечивает восстановление заданной формы устройства в рабо25The device is made of a material with a shape memory, for example, an alloy based on titanium nickelide, which ensures the restoration of the specified shape of the device in operation.
После сращени перелома устройство удал ют по част м, перепилива головки шплинтов 7 и концы выступов 5 и 6 пластины 1 гибкой пилой.After splicing the fracture, the device is removed in parts by re-cutting the heads of the pins 7 and the ends of the projections 5 and 6 of the plate 1 with a flexible saw.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU894657950ASU1630804A1 (en) | 1989-03-01 | 1989-03-01 | Osteosynthesis appliance |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU894657950ASU1630804A1 (en) | 1989-03-01 | 1989-03-01 | Osteosynthesis appliance |
| Publication Number | Publication Date |
|---|---|
| SU1630804A1true SU1630804A1 (en) | 1991-02-28 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU894657950ASU1630804A1 (en) | 1989-03-01 | 1989-03-01 | Osteosynthesis appliance |
| Country | Link |
|---|---|
| SU (1) | SU1630804A1 (en) |
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| US7090676B2 (en) | 2002-11-19 | 2006-08-15 | Acumed Llc | Adjustable bone plates |
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