SU1389778A2 - Arrangement for fitting a prosthesis into blood vessel - Google Patents

Arrangement for fitting a prosthesis into blood vessel Download PDF

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Publication number
SU1389778A2
SU1389778A2 SU864152070A SU4152070A SU1389778A2 SU 1389778 A2 SU1389778 A2 SU 1389778A2 SU 864152070 A SU864152070 A SU 864152070A SU 4152070 A SU4152070 A SU 4152070A SU 1389778 A2 SU1389778 A2 SU 1389778A2
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USSR - Soviet Union
Prior art keywords
prosthesis
pusher
tubular guide
guide
biological tissue
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SU864152070A
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Russian (ru)
Inventor
Николай Леонтьевич Володось
Василий Егорович Шеханин
Василий Иванович Кулеба
Леонид Федорович Яковенко
Владимир Иванович Троян
Original Assignee
Харьковский научно-исследовательский институт общей и неотложной хирургии
Производственное объединение "Харьковский моторостроительный завод "Серп и молот"
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Priority to SU864152070A priority Critical patent/SU1389778A2/en
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Publication of SU1389778A2 publication Critical patent/SU1389778A2/en

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Abstract

Изобретение предназначено дл  сосудистой хирургии. Цель изобретени  - предупреждение повреждени  протеза из биологической ткани. Устройство содержит гибкий трубчатый направитель, выполненный из транспортной 1 и заправочной 2 частей, разъемных по диаметру и снабженных фланцами 3, 4, а также толкатель 5 дл  перемещени  протеза и глухую муфту сцеплени  6, соедин ющую разъемные части направи- тел . Протез состоит из пружинного фиксирующего элемента 7, обт нутого цилиндрической обечайкой 8, изготовленной из синтетической ткани и соединенной щвом, ниже элемента, с каркасом 9 из биологической ткани. Протез и толкатель 5 размещены в заправочной части 2 трубчатого направите- л . Упругий стержень 10 выполнен полым с внутренним диаметром полости, достаточным дл  размещени  в ней с зазором каркаса протеза. Транспортна  часть 1 трубчатого направител  имеет возможность свободного перемещени  по проводнику, снабженному м гким наконечником, и размещенной на нем эластичной трубки. 4 ил. (С елThe invention is intended for vascular surgery. The purpose of the invention is to prevent damage to the prosthesis from biological tissue. The device includes a flexible tubular guide made of transport 1 and filling 2 parts, detachable in diameter and fitted with flanges 3, 4, as well as a pusher 5 for moving the prosthesis and a blind coupling 6 that connects the detachable parts of the guides. The prosthesis consists of a spring fixing element 7, covered with a cylindrical shell 8, made of synthetic fabric and connected with schvom, below the element, with the frame 9 of biological tissue. The prosthesis and the pusher 5 are placed in the filling part 2 of the tubular guide. The resilient rod 10 is made hollow with an internal diameter of the cavity sufficient to accommodate a prosthesis framework with a gap therein. The transport part 1 of the tubular guide is able to move freely along a conductor provided with a soft tip and an elastic tube placed on it. 4 il. (I ate

Description

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Изобретение относитс  к сосудистой хирургии , касаетс  устройств дл  дистанционного эндопротезировани  кровеносного сосуда посредством самофиксирующегос  протеза и  вл етс  усовершенствованием устройства по авт. св. № 1318235.The invention relates to vascular surgery, relates to devices for remote endoprosthesis of a blood vessel by means of a self-fixing prosthesis, and is an improvement of the device according to ed. St. No. 1318235.

Цель изобретени  - предупреждение повреждени  протеза из биологической ткани.The purpose of the invention is to prevent damage to the prosthesis from biological tissue.

На фиг. 1 схематически изображено устройство , продольный разрез; на фиг. 2 - транспортна  часть трубчатого направител  с проводником; на фиг. 3 - заправочна  часть направител  с толкателем и упругим стержнем с протезом; на фиг. 4 - самофиксирующийс  протез сосуда с каркасом из биологической ткани.FIG. 1 schematically shows a device, a longitudinal section; in fig. 2 - transport part of a tubular guide with a conductor; in fig. 3 - fueling part of the guide with a pusher and an elastic rod with a prosthesis; in fig. 4 — A self-locking vessel prosthesis with a skeleton of biological tissue.

Устройство содержит гибкий трубчатый направитель, выполненный из транспортной 1 и заправочной 2 частей, разъемных по диаметру и снабженных фланцами 3 и 4, обращенных друг к другу, а также толкатель 5 дл  перемещени  протеза и глухую муфту 6 сцеплени , соедин ющую разъемные части направител .The device includes a flexible tubular guide made of transport 1 and filling 2 parts, split in diameter and fitted with flanges 3 and 4 facing each other, as well as a pusher 5 for moving the prosthesis and a deaf coupling 6 for connecting the guide.

Протез состоит из пружинного фиксирующего элемента 7, обт нутого цилиндрической обечайкой 8, изготовленной из синтетической ткани и соединенной щвом, ниже элемента, с каркасом 9 из биологической ткани. В качестве каркаса может быть использована аутовена, криовена или пупочна  вена. Протез и толкатель 5 размещены в заправочной части 2 трубчатого направител . В этой же части направител  между фиксирующим элементом 7 и толкателем размещен упругий стержень 10. Последний выполнен полым с внутренним диаметром полости, достаточным дл  размещени  в ней с зазором каркаса протеза. Транспортна  часть 1 трубчатого направител  имеет возможность свободного перемещени  по проводнику 11, снабженному м гким наконечником 12, и размещенной на нем также с возможностью относительного перемещени  эластичной трубке 13.The prosthesis consists of a spring fixing element 7, covered with a cylindrical shell 8, made of synthetic fabric and connected with schvom, below the element, with the frame 9 of biological tissue. As a framework, an autowen, cryowen or umbilical vein can be used. The prosthesis and the pusher 5 are placed in the filling part 2 of the tubular guide. In the same part of the guide, an elastic rod 10 is placed between the fixing element 7 and the pusher. The latter is hollow with an internal cavity diameter sufficient to accommodate a prosthesis framework with a gap in it. The transport part 1 of the tubular guide has the possibility of free movement along the conductor 11, provided with a soft tip 12, and placed on it also with the possibility of relative movement of the elastic tube 13.

Устройство используют в случае дистанционного эндопротезировани  бедренного, подколенного и берцового сегментов.The device is used in the case of remote endoprosthesis of the femoral, popliteal and tibial segments.

Перед введением устройства в работу разъемные части направител  рассоединены друг от друга. Каркас 9 протеза ввод т во внутреннюю полость упругого стержн  10. Осуахествл   сжатие фиксирующего элемента в радиальном направлении до минимально возможного сечени , мбньщего внутреннего диаметра направител , ввод т протез совместно с упругим стержнем в заправочную часть 2 направител , а затем туда устанавливают толкатель 5. При этом один из торцов упругого стержн  контактирует с фиксирующим элементом, а второй - с толкателем.Before putting the device into operation, the detachable parts of the guide are disconnected from each other. The frame 9 of the prosthesis is inserted into the internal cavity of the elastic rod 10. Owing to the compression of the fixing element in the radial direction to the smallest possible cross section, which is the internal internal diameter of the guide, the prosthesis is inserted together with the elastic rod into the filling part 2 of the guide, and then the pusher 5 is installed. This is one of the ends of the elastic rod in contact with the locking element, and the second - with the pusher.

У больного выдел ют бедренную артерию, которую берут на турникеты, и производ т продольную артериотомию. Затем производ т дилатацию пораженного сегмента артерии специальным баллонным катетером и в образовавшийс  просвет ввод т проводник 11 до места установки протеза в артерии.The patient is given a femoral artery that is taken for turnstiles, and a longitudinal arteriotomy is performed. Then, the dilated artery segment is dilated with a special balloon catheter, and the guide 11 is inserted into the resulting lumen until the prosthesis is installed in the artery.

Дл  перемещени  проводника внутри сосуда он контактирует посредством м гкого наконечника 12 со стенками сосуда и изгибаетс  в соответствии с естественной кривизной сосуда. Затем вдоль проводника перемещают эластичную трубку 13 до места установки протеза в сосуде. После этого на консольную часть проводника, выступающего над раной, одевают транспортную часть 1 направител  и перемещают ее вдоль проводника в сосуд. При перемещении этой частиTo move the conductor inside the vessel, it contacts the soft tip 12 with the vessel walls and bends in accordance with the natural curvature of the vessel. Then along the conductor move the elastic tube 13 to the place of installation of the prosthesis in the vessel. After that, the cantilever part of the conductor protruding above the wound is dressed with the transport part 1 of the guide and moved along the conductor into the vessel. When moving this part

5 направител  в сосуде по траектории, определ емой проводником, предотвращаетс  травма сосуда.5, the guide in the vessel along the path defined by the conductor, prevents injury to the vessel.

После введени  транспортной части 1 направител  в необходимый сегмент сосуда (подколенную артерию) его удерживают вAfter the transport part 1 is inserted into the necessary segment of the vessel (popliteal artery), it is held in

0 этом положении за консольный участок, выступающий над раной, и вывод т из ее полости проводник 11 и эластичную трубку 13. Затем к транспортной части направител  присоедин ют посредством муфты 6In this position, the cantilever 11 and the elastic tube 13 are pulled out from the cavity of the cantilever extending over the wound and then out of the cavity. The guide is then connected to the transport part by means of a sleeve 6.

г заправочную часть 2. Посредством толкател  5 производ т перемещение протеза из заправочной в транспортную часть направител  и далее в пораженный сегмент артерии . Размещение каркаса протеза во внутреннюю полость упругого стержн  предотQ вращает контакт его с внутренней стенкой сосуда при его перемещении, деформаци  и повреждение интимы и наружной стенки каркаса протеза исключаютс .g filling part 2. By means of the pusher 5, the prosthesis is moved from the filling part to the transport part of the guide and then to the affected artery segment. Placing the frame of the prosthesis into the internal cavity of the elastic rod prevents its contact with the internal wall of the vessel during its movement, deformation and damage to the intima and the external wall of the frame of the prosthesis are excluded.

При выводе протеза из транспортной части направител  в протезируемый сегментWhen removing the prosthesis from the transport part of the guide in the prosthetic segment

г артерии происходит самопроизвольное разжатие под действием сил упругости его фиксирующего элемента 7. После размещени  протеза в сосуде, удержива  толкатель 5 в этом положении, вывод т направитель в сборе из сосуда, а затем упругий стер0 жень и толкатель. Нижний конец каркаса протеза сщивают с артерией ниже места артериотомии.The artery spontaneously expands under the action of the elastic forces of its fixing element 7. After the prosthesis is placed in the vessel, keeping the pusher 5 in this position, the guide assembly is removed from the vessel, and then the elastic stem and the pusher. The lower end of the frame of the prosthesis is sshchivayut with the artery below the site of arteriotomy.

Выполнение упругого стержн  полым и размещение в нем с зазором каркаса протеза позвол ет предотвратить деформацию последнего в процессе эндолротезировани  сосуда, повысить срок службы и использовать протезы из биологических тканей, ранее не вводимых в сосуд посредством известного устройства аналогичного назначени .Making the elastic rod hollow and placing in it with a gap in the prosthesis framework prevents the latter from being deformed during endoloprosthesis of the vessel, increases the service life and uses prostheses from biological tissues not previously inserted into the vessel by means of a known device of similar purpose.

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Claims (1)

Формула изобретени Invention Formula Устройство дл  установки протеза в кровеносный сосуд по авт. св. № 1318235, отли- 55 чающеес  тем, что, с целью предупреждени  повреждени  протеза из биологической ткани, упругий стержень выполнен полым дл  размещени  в его полости протеза.Device for installing a prosthesis in a blood vessel according to ed. St. No. 1318235, which is characterized by the fact that, in order to prevent damage to the prosthesis of biological tissue, the elastic rod is made hollow for placement in its cavity of the prosthesis. СWITH гg /2/ 2 Фиг.22 Фи.г.3Fi.g.3 Г цгМ G cgm
SU864152070A 1986-11-26 1986-11-26 Arrangement for fitting a prosthesis into blood vessel SU1389778A2 (en)

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Cited By (40)

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US5782909A (en) * 1993-08-05 1998-07-21 Endovascular Technologies, Inc. Multicapsule intraluminal grafting system and method
US5843164A (en) * 1994-11-15 1998-12-01 Advanced Carrdiovascular Systems, Inc. Intraluminal stent for attaching a graft
US6030413A (en) * 1983-12-09 2000-02-29 Endovascular Technologies, Inc. Artificial graft and implantation method
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US6355061B1 (en) 1994-05-12 2002-03-12 Endovascular Technologies, Inc. Method for deploying bifurcated graft using a multicapsule system
US6361555B1 (en) 1999-12-15 2002-03-26 Advanced Cardiovascular Systems, Inc. Stent and stent delivery assembly and method of use
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US6383213B2 (en) 1999-10-05 2002-05-07 Advanced Cardiovascular Systems, Inc. Stent and catheter assembly and method for treating bifurcations
US6387120B2 (en) 1999-12-09 2002-05-14 Advanced Cardiovascular Systems, Inc. Stent and catheter assembly and method for treating bifurcations
US6428567B2 (en) 1997-08-13 2002-08-06 Advanced Cardiovascular Systems, Inc. Stent and catheter assembly and method for treating bifurcations
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Cited By (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6030413A (en) * 1983-12-09 2000-02-29 Endovascular Technologies, Inc. Artificial graft and implantation method
US6221102B1 (en) 1983-12-09 2001-04-24 Endovascular Technologies, Inc. Intraluminal grafting system
US6702844B1 (en) 1988-03-09 2004-03-09 Endovascular Technologies, Inc. Artificial graft and implantation method
US5609625A (en) * 1991-04-11 1997-03-11 Endovascular Technologies, Inc. Endovascular graft having bifurcation and apparatus and method for deploying the same
US6682557B1 (en) 1991-04-11 2004-01-27 Endovascular Technologies, Inc. Bifurcated multicapsule intraluminal grafting system and method
US6132459A (en) * 1991-04-11 2000-10-17 Endovascular Technologies, Inc. Method for deploying an endovascular graft having bifurcation
US6210435B1 (en) * 1991-04-11 2001-04-03 Endovascular Technologies, Inc. Endovascular graft having bifurcation and apparatus and method for deploying the same
US5824039A (en) * 1991-04-11 1998-10-20 Endovascular Technologies, Inc. Endovascular graft having bifurcation and apparatus and method for deploying the same
US5782909A (en) * 1993-08-05 1998-07-21 Endovascular Technologies, Inc. Multicapsule intraluminal grafting system and method
US6540778B1 (en) 1993-08-05 2003-04-01 Endovascular Technologies, Inc. Multicapsule intraluminal grafting system and method
US7118594B2 (en) 1994-05-12 2006-10-10 Endovascular Technologies, Inc. Bifurcated multicapsule intraluminal grafting system and method
US6355061B1 (en) 1994-05-12 2002-03-12 Endovascular Technologies, Inc. Method for deploying bifurcated graft using a multicapsule system
US6235050B1 (en) 1994-05-12 2001-05-22 Endovascular Technologies, Inc. System and method for intraluminally deploying a bifurcated graft
US5843164A (en) * 1994-11-15 1998-12-01 Advanced Carrdiovascular Systems, Inc. Intraluminal stent for attaching a graft
US7208009B2 (en) 1996-12-26 2007-04-24 Medinol, Ltd. Stent fabrication method
US7959664B2 (en) 1996-12-26 2011-06-14 Medinol, Ltd. Flat process of drug coating for stents
US7955379B2 (en) 1997-08-13 2011-06-07 Abbott Cardiovascular Systems Inc. Stent and catheter assembly and method for treating bifurcations
US7753950B2 (en) 1997-08-13 2010-07-13 Advanced Cardiovascular Systems, Inc. Stent and catheter assembly and method for treating bifurcations
US6428567B2 (en) 1997-08-13 2002-08-06 Advanced Cardiovascular Systems, Inc. Stent and catheter assembly and method for treating bifurcations
US6508836B2 (en) 1997-08-13 2003-01-21 Advanced Cardiovascular Systems, Inc. Stent and catheter assembly and method for treating bifurcations
US6475208B2 (en) 1998-08-24 2002-11-05 Advanced Cardiovascular Systems, Inc. Bifurcated catheter assembly
US6780174B2 (en) 1998-08-24 2004-08-24 Advanced Cardiovascular Systems, Inc. Bifurcated catheter assembly
US6494875B1 (en) 1998-08-24 2002-12-17 Advanced Cardiovascular Systems, Inc. Bifurcated catheter assembly
US6383213B2 (en) 1999-10-05 2002-05-07 Advanced Cardiovascular Systems, Inc. Stent and catheter assembly and method for treating bifurcations
US6673107B1 (en) 1999-12-06 2004-01-06 Advanced Cardiovascular Systems, Inc. Bifurcated stent and method of making
US6387120B2 (en) 1999-12-09 2002-05-14 Advanced Cardiovascular Systems, Inc. Stent and catheter assembly and method for treating bifurcations
US6371978B1 (en) 1999-12-10 2002-04-16 Advanced Cardiovascular Systems, Inc. Bifurcated stent delivery system having retractable sheath
US6361555B1 (en) 1999-12-15 2002-03-26 Advanced Cardiovascular Systems, Inc. Stent and stent delivery assembly and method of use
US6599315B2 (en) 1999-12-15 2003-07-29 Advanced Cardiovascular Systems, Inc. Stent and stent delivery assembly and method of use
US6582394B1 (en) 2000-11-14 2003-06-24 Advanced Cardiovascular Systems, Inc. Stent and catheter assembly and method for treating bifurcated vessels
US6544219B2 (en) 2000-12-15 2003-04-08 Advanced Cardiovascular Systems, Inc. Catheter for placement of therapeutic devices at the ostium of a bifurcation of a body lumen
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