Известные бужи содержат эластичный наконечник , эластичную трубку, руко тку и рабочую часть, котора выполнена в виде круглого тела оиределеппого диаметра, что затрудн ет проведение операции введени бужа внутрь трубчатых органов и травмирует больного .The known bougies contain an elastic tip, an elastic tube, a handle and a working part, which is made in the form of a round body of a specific diameter, which makes it difficult to carry out the operation of introducing the bougie inside the tubular organs and injuring the patient.
Целью изобретени вл етс создание возможности регулируемого изменени диаметра бужа непосредственно внутри органа с сохранением по всей его рабочей части посто нной продольной и радиальной жесткости, а также предотвращение травмировани трубчатых органов в процессе их пр мого и ретроградного бужировани .The aim of the invention is to provide the possibility of a controlled change in the diameter of the bougie directly inside the body while maintaining constant longitudinal and radial rigidity throughout its working part, as well as preventing injury to the tubular organs in the process of their direct and retrograde bougienage.
Дл этого рабоча часть бужа выполнена в виде полого цилиндрического корпуса из жесткого материала, например стали, сплава и др., по образующей которого выбраны продольные прорези, а на внутренней поверхности средней его части имеютс радиальные выступы, и жесткого иодиружиненного конуса, подвижно смонтированного внутри корпуса и св занного посредством гибкой т ги с винтовой парой, расположенной в руко тке бужа.For this, the working part of the bougie is made in the form of a hollow cylindrical body made of a rigid material, for example steel, alloy, etc., along which the longitudinal slots are selected, and on the inner surface of its middle part there are radial protrusions and a rigid and radiated cone movably mounted inside and connected by means of a flexible cable with a screw pair located in the handle of the bougie.
Рабоча часть бужа снаружи покрыта эластичной пленкой с гладкой поверхностью.The working part of the bougie is outside covered with an elastic film with a smooth surface.
ку 4. Рабоча часть бужа выполнена в виде иолого цилиндрического корпуса, по образующей которого выбраны продольные прорези 5, а на внутренней поверхности имеютс ралиальные выступы 6. В рабочей части бужа размещен жесткий подпружиненный конус 7. Он посредством гибкой т ги 5 св зан с винтовой парой 9, смонтированной в руко тке 4. Рабоча часть бужа снаружи покрыта гладкой эластичной пленкой 10. При вращении винтовой пары диаметр рабочей части бужа измен етс .4. The buoy working part is made in the form of an i-shaped cylindrical body, along which longitudinal slots 5 are selected, and on the inner surface there are radial projections 6. A rigid spring-loaded cone 7 is placed in the buoy working part. It is connected to a screw a pair of 9 mounted in the handle 4. The working part of the bougie is outside covered with a smooth elastic film 10. During the rotation of the screw pair, the diameter of the working part of the bougie changes.
Предмет изобретени Subject invention
1515
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