RU2062121C1 - Dilating device - Google Patents

Dilating device Download PDF

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Publication number
RU2062121C1
RU2062121C1 SU4751081A RU2062121C1 RU 2062121 C1 RU2062121 C1 RU 2062121C1 SU 4751081 A SU4751081 A SU 4751081A RU 2062121 C1 RU2062121 C1 RU 2062121C1
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RU
Russia
Prior art keywords
dilator
conveyer
lumen
end
cord
Prior art date
Application number
Other languages
Russian (ru)
Inventor
В.А. Давыдов
Л.А. Монасевич
В.Э. Гюнтер
А.Н. Иванов
А.В. Еськов
Р.Ф. Тагиров
А.В. Староха
Г.Ц. Дамбаев
Original Assignee
Давыдов Владимир Александрович
Монасевич Леонид Абрамович
Гюнтер Виктор Эдуардович
Иванов Александр Николаевич
Еськов Александр Владимирович
Тагиров Ринат Фаттахович
Староха Александр Владимирович
Дамбаев Георгий Цыренович
Томский Медицинский Институт
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Давыдов Владимир Александрович, Монасевич Леонид Абрамович, Гюнтер Виктор Эдуардович, Иванов Александр Николаевич, Еськов Александр Владимирович, Тагиров Ринат Фаттахович, Староха Александр Владимирович, Дамбаев Георгий Цыренович, Томский Медицинский Институт filed Critical Давыдов Владимир Александрович
Priority to SU4751081 priority Critical patent/RU2062121C1/en
Application granted granted Critical
Publication of RU2062121C1 publication Critical patent/RU2062121C1/en

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Abstract

FIELD: medical engineering. SUBSTANCE: device has tubular conveyer unit with conic widening of working end lumen, dilator made as cylindrically coiled zigzag wire spring from titanium nickelide, cord member for pulling the device out and pusher. The dilator is placed into the conveyer in compressed state with the cord brought through all bent parts and conveyer lumen and is introduced into the narrowed portion of a hollow organ. The dilator being hold in this position by applying the pusher through the conveyer lumen, the conveyer is removed. Narrow part dilatation is performed due to elastic spring force acting. To remove the dilator, conveyer tube is brought close to the dilator to come in engagement with it and the dilator is drawn into the conveyer lumen by means of the cord. To facilitate the process of pulling the dilator in, its ends are bent inward, one end is elongated by 0.5-0.1 dilator diameter and the internal surface of the conveyer working end has conic widening. EFFECT: enhanced effectiveness of treatment. 4 cl, 1 dwg

Description

Изобретение относится к медицинской технике и предназначено для расширения просвета полых органов. The invention relates to medical engineering and is intended for expanding the lumen of hollow organs.

Известен дилататор /1/ в виде спиральной проволочной пружины, имплантируемый в суженный участок полого органа. Known dilator / 1 / in the form of a helical wire spring, implantable narrowed portion of the hollow body. Недостатками его являются сложность введения, невозможность атравматичной эвакуации, высокая некротизирующая способность. The disadvantages are the complexity of its introduction, the inability to evacuate non-invasive, high necrotizing ability.

Известен дилататор /2/, принятый за прототип, в виде замкнутой, свернутой в цилиндр зигзагообразной пружины с регулярным шагом и отогнутыми наружу изгибами обоих концов. Known dilator / 2 / taken as a prototype, in a closed, folded in a zigzag spring cylinder with a regular pitch bends and bent outwardly at both ends. Для удобства введения и щадящего воздействия на слизистую оболочку дилатируемого органа устройство выполнено из инкелида титана, обладающего эффектом памяти формы. For convenience of administration and sparing effect on the mucosa dilatiruemogo device body is made of titanium inkelida having shape memory effect. Недостаток устройства отсутствие возможности атравматичной эвакуации. The disadvantage of the device atraumatic no possibility of evacuation.

Цель изобретения обеспечение атравматического извлечения дилататора. OBJECT OF THE INVENTION ensuring atraumatic retrieval dilator.

Цель достигается тем, что в устройстве для дилатации, содержащем трубчатый транспортер и размещенный внутри него дилататор, выполненный в виде свернутой в цилиндр зигзагообразной проволочной пружины из никелида титана с отогнутыми наружу изгибами на одном конце, внутренняя поверхность рабочего торца транспортера выполнена с коническим расширением, а другой конец дилататора выполнен с изгибами, отогнутыми внутрь, при этом один из изгибов имеет удлинение, равное 0,5- 1,0 диаметра дилататора, и снабжен элементом извлечения дилататора в виде The object is achieved in that the device for the dilatation, comprising a tubular conveyor and arranged inside the dilator is configured as a coiled into a cylinder of the zigzag wire spring of NiTi with bent outwardly bend at one end, the inner surface of the working end of the conveyor is provided with a conical expansion, and the other end of the dilator is configured to bend inwardly bent, wherein one of the bends has an elongation equal to 0.5- 1.0 diameter dilator and provided with a retrieving element in the form of dilator шнура. cord. Диаметр просвета трубчатого транспортера равен диаметру дилататора. The diameter of the lumen of the tubular conveyor is equal to the diameter of the dilator. Угол отогнутых изгибов дилататора с его осью составляет 30-60 o . The angle of the beveled bends dilator with its axis of 30-60 o. Дилататор в его средней части имеет бочкообразное расширение. Dilator in its middle part has a barrel-shaped extension.

На фиг. FIG. 1 изображено устройство /до помещения дилататора в просвет трубчатого транспортера/. 1 shows an apparatus to / from the room into the lumen of the dilator tube conveyor /. Устройство содержит три основных узла: дилататор 1, трубчатый транспортер 2 и средство извлечения в виде шнура 3. Дилататор 1 выполнен в виде замкнутой, свернутой в цилиндр зигзагообразной проволочной пружины с изгибами 4 наружу на одном конце, изгибами 5 внутрь на другом конце, и с бочкообразным расширением 6 в средней части. The apparatus comprises three major assemblies: a dilator 1, a tubular conveyor 2 and the extraction means in the form of cord 3. The dilator 1 is configured as a closed, folded into a cylinder of the zigzag wire spring 4 with bends outward at one end 5 bends inward at the other end, and with barrel-shaped extension 6 in the middle. Один из изгибов 6 удлинен на величину 0,5-1 диаметра дилататора. One of the bends 6 is extended by an amount of 0.5-1 diameter dilator. Трубчатый транспортер 2 выполнен с коническим расширением 7 просвета рабочего торца. Tubular conveyor 2 is provided with a conical extension 7 of the working end of the lumen. В состав устройства входит также толкатель 6, вводимый в просвет трубчатого транспортера с противоположного конца. The apparatus also includes a pusher 6, introduced into the lumen of the tubular conveyor from the opposite end. Устройство применяют следующим образом. The apparatus is used as follows.

Дилататор 1 в сжатом состоянии помещают в просвет трубчатого транспортера 2, доставляют в суженный участок полого органа и, фиксируя его в пространстве с помощью толкателя 8 и возвращая трубчатый транспортер 2, освобождают. 1 dilator in its compressed state is placed into the lumen of the tubular conveyor 2, is delivered to the narrowed portion of the hollow body and fixing it in space by means of the pusher 8 and the returning tube conveyor 2 free. Под действием поперечной упругой силы дилататор, расширяясь, раздвигает стенки патологически суженного участка полого органа. Under the action of transverse elastic force dilator expands and pushes the walls of the hollow body pathologically narrowed portion. При этом шнур 3, пропущенный последовательно через все изгибы 5 и, в последнюю очередь, через удлиненный изгиб, своими концами выводится наружу. In this case, the cord 3, passed successively through all the twists and 5, in the last instance, by bending an elongate, with its ends is expelled. Для удаления дилататора трубчатый транспортер 2 вводят в полый орган до соприкосновения с дилататором 1. С помощью шнура 3 осуществляют сжатие к центру удлиненного изгиба 5, т. е. к центру оси устройства остальных изгибов 5 и втягивают дилататор в просвет трубчатого транспортера 2. Последний извлекают из органа. To remove the dilator tube conveyor 2 is introduced into the hollow body until it touches the dilator 1. Use cord 3 compression is performed to the center of the elongate flexure 5 m. E. Towards the center axis of the device 5 and the remaining bends is retracted into the lumen of the dilator tube conveyor 2. The last recovered of the body. Коническое расширение 7 рабочего конца транспортера 2, отогнутые под оптимальным углом изгибы 5 другого конца дилататора 1, удлинение одного из них и наличие пропущенного через все изгибы 5 и выведенного через удлиненный изгиб шнура 3 обеспечивают стягивание изгибов при эвакуации дилататора к оси устройства и облегчения втягивания его в просвет транспортера. Conical extension 7 of the working end of the conveyor 2, bent at an optimal angle bends 5, the other end of the dilator 1, the elongation of one of them and having passed through all the bends 5 and outputted through the elongated bending cord 3 provide the contraction curves during the evacuation of the dilator to the device axis and facilitate the retraction of its into the lumen of the conveyor. Бочкообразное расширение 6 обеспечивает увеличение компрессии в средине дилататора и улучшение фиксации его в полом органе для предотвращения миграции. Barrel extension 6 provides increased compression in the middle of the dilator and improving its fixation in the hollow body to prevent migration.

В качестве конкретной проверки работоспособности устройства и достижимости положительного эффекта оно было использовано в клинических условиях при дилатации суженного простатического участка уретры у 6 больных в возрасте от 68 до 78 лет в период подготовки их к операции по поводу адэномы предстательной железы. As a concrete enable testing and attainable beneficial effect it has been used in clinical settings when dilatation of the narrowed portion of the prostatic urethra 6 patients aged 68 to 78 years during their preparation for surgery for prostate adenomy. Успешная ликвидация острой задержки мочеиспускания при более щадящем воздействии на больного по сравнению со стандартной методикой катетеризации свидетельствуют о высокой технической эффективности предлагаемого технического решения задачи. Successful elimination of acute urinary retention at a gentle impact on the patient compared with a standard catheterization procedure show high technical efficiency of the proposed technical solution. Возможность быстрой и атравматичной замены дилататора открывает возможность длительной дилатации уретры /и других полых органов/ при наличии противопоказаний хирургического вмешательства. Quick and non-invasive replacement dilator opens the possibility of prolonged dilation of the urethra / or other hollow organs / with contraindications for surgery.

Claims (3)

1. Устройство для дилатации, содержащее трубчатый транспортер и размещенный внутри него дилататор, выполненный в виде свернутой в цилиндр зигзагообразной проволочной пружины из никелида титана с отогнутыми наружу изгибами на одном конце, отличающееся тем, что, с целью атравматичного извлечения дилататора, внутренняя поверхность рабочего торца транспортера выполнена с коническим расширением, а другой конец дилататора выполнен с изгибами, отогнутыми внутрь, при этом один из изгибов имеет удлинение, равное 0,5-1,0 диаметра дилататора и снабж 1. A device for dilation, comprising a tubular conveyor and arranged inside the dilator is configured as a folded zigzag into a cylinder of wire spring bent NiTi with bends outwards at one end, characterized in that, with a view to extracting noninvasive dilator, the inner surface of the working end conveyor provided with a conical extension, and the other end of the dilator is configured to bend inwardly bent, wherein one of the bends has an elongation equal to 0.5-1.0 diameter dilator and provided with ен элементом извлечения дилататора в виде шнура. ene dilator element in the form of extraction column.
2. Устройство по п.1, отличающееся тем, что диаметр просвета трубчатого транспортера равен диаметру дилататора в сжатом состоянии. 2. Device according to claim 1, characterized in that the diameter of the tubular conveyor dilator lumen diameter is in a compressed state.
3. Устройство по п.1, отличающееся тем, что угол отогнутых изгибов дилататора в его средней части имеет бочкообразное расширение. 3. A device according to claim 1, characterized in that the bending angle of the bent dilator in its middle part has a barrel-shaped extension.
SU4751081 1989-10-13 1989-10-13 Dilating device RU2062121C1 (en)

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US7758594B2 (en) 2005-05-20 2010-07-20 Neotract, Inc. Devices, systems and methods for treating benign prostatic hyperplasia and other conditions
US7766923B2 (en) 2005-05-20 2010-08-03 Neotract, Inc. Integrated handle assembly for anchor delivery system
US7780682B2 (en) 2005-05-20 2010-08-24 Neotract, Inc. Apparatus and method for manipulating or retracting tissue and anatomical structure
US7815655B2 (en) 2005-05-20 2010-10-19 Neotract, Inc. Devices, systems and methods for retracting, lifting, compressing, supporting or repositioning tissues or anatomical structures
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US8216254B2 (en) 2005-05-20 2012-07-10 Neotract, Inc. Anchor delivery system with replaceable cartridge
US8333776B2 (en) 2005-05-20 2012-12-18 Neotract, Inc. Anchor delivery system
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US8603106B2 (en) 2005-05-20 2013-12-10 Neotract, Inc. Integrated handle assembly for anchor delivery system
US8628542B2 (en) 2005-05-20 2014-01-14 Neotract, Inc. Median lobe destruction apparatus and method
US8668705B2 (en) 2005-05-20 2014-03-11 Neotract, Inc. Latching anchor device
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US8834492B2 (en) 2005-05-20 2014-09-16 Neotract, Inc. Continuous indentation lateral lobe apparatus and method
US8945152B2 (en) 2005-05-20 2015-02-03 Neotract, Inc. Multi-actuating trigger anchor delivery system
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US9549739B2 (en) 2005-05-20 2017-01-24 Neotract, Inc. Devices, systems and methods for treating benign prostatic hyperplasia and other conditions
US10130353B2 (en) 2012-06-29 2018-11-20 Neotract, Inc. Flexible system for delivering an anchor
US10195014B2 (en) 2005-05-20 2019-02-05 Neotract, Inc. Devices, systems and methods for treating benign prostatic hyperplasia and other conditions
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US8777992B2 (en) 2002-03-14 2014-07-15 Neotract, Inc. Methods for anchoring suture and approximating tissue
US7758594B2 (en) 2005-05-20 2010-07-20 Neotract, Inc. Devices, systems and methods for treating benign prostatic hyperplasia and other conditions
US7815655B2 (en) 2005-05-20 2010-10-19 Neotract, Inc. Devices, systems and methods for retracting, lifting, compressing, supporting or repositioning tissues or anatomical structures
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US7905889B2 (en) 2005-05-20 2011-03-15 Neotract, Inc. Integrated handle assembly for anchor delivery system
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US8939996B2 (en) 2005-05-20 2015-01-27 Neotract, Inc. Anchor delivery System
US8945152B2 (en) 2005-05-20 2015-02-03 Neotract, Inc. Multi-actuating trigger anchor delivery system
US9034001B2 (en) 2005-05-20 2015-05-19 Neotract, Inc. Slotted anchor device
US9149266B2 (en) 2005-05-20 2015-10-06 Neotract, Inc. Deforming anchor device
US10265061B2 (en) 2005-05-20 2019-04-23 Neotract, Inc. Latching anchor device
US9320511B2 (en) 2005-05-20 2016-04-26 Neotract, Inc. Multi-actuating trigger anchor delivery system
US9402711B2 (en) 2005-05-20 2016-08-02 Neotract, Inc. Median lobe band implant apparatus and method
US9504461B2 (en) 2005-05-20 2016-11-29 Neotract, Inc. Anchor delivery system
US9549739B2 (en) 2005-05-20 2017-01-24 Neotract, Inc. Devices, systems and methods for treating benign prostatic hyperplasia and other conditions
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US8715298B2 (en) 2005-05-20 2014-05-06 Neotract, Inc. Apparatus and method for manipulating or retracting tissue and anatomical structure
US10143461B2 (en) 2005-05-20 2018-12-04 Neotract, Inc. Devices, systems and methods for retracting, lifting, compressing, supporting or repositioning tissues or anatomical structures
US8758366B2 (en) 2007-07-09 2014-06-24 Neotract, Inc. Multi-actuating trigger anchor delivery system
US9161749B2 (en) 2011-04-14 2015-10-20 Neotract, Inc. Method and apparatus for treating sexual dysfunction
US10292801B2 (en) 2012-03-29 2019-05-21 Neotract, Inc. System for delivering anchors for treating incontinence
US10130353B2 (en) 2012-06-29 2018-11-20 Neotract, Inc. Flexible system for delivering an anchor
US10349932B2 (en) 2013-03-15 2019-07-16 Neotract, Inc. Anchor delivery system

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