RU2001102543A - RESTRICTED INTRACOVASCULAR STENT - Google Patents

RESTRICTED INTRACOVASCULAR STENT

Info

Publication number
RU2001102543A
RU2001102543A RU2001102543/14A RU2001102543A RU2001102543A RU 2001102543 A RU2001102543 A RU 2001102543A RU 2001102543/14 A RU2001102543/14 A RU 2001102543/14A RU 2001102543 A RU2001102543 A RU 2001102543A RU 2001102543 A RU2001102543 A RU 2001102543A
Authority
RU
Russia
Prior art keywords
sides
housing
paragraphs
intravascular stent
stent according
Prior art date
Application number
RU2001102543/14A
Other languages
Russian (ru)
Other versions
RU2257180C2 (en
Inventor
Палле Мунк ХАНСЕН
Заза Александрович Кавтеладзе
Original Assignee
Вилльям Кук Юроп А/С
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.)
Filing date
Publication date
Priority claimed from DK099595A external-priority patent/DK171865B1/en
Application filed by Вилльям Кук Юроп А/С filed Critical Вилльям Кук Юроп А/С
Publication of RU2001102543A publication Critical patent/RU2001102543A/en
Application granted granted Critical
Publication of RU2257180C2 publication Critical patent/RU2257180C2/en

Links

Claims (15)

1. Расправляемый внутрисосудистый стент, содержащий гибкий, трубчатый корпус с продольной осью, стенка которого образована взаимно соединенными, замкнутыми элементами каркаса, расположенными с, по меньшей мере, двумя элементами, примыкающими друг к другу в направлении по окружности, причем элементы каркаса имеют стороны из материала с удлиненной формой нитей, способного передавать сдавливающие силы в осевом направлении нитей, и передающего давление непрерывно от одного элемента каркаса непосредственно в элемент каркаса, следующий в продольном направлении, стороны элемента в индивидуальном элементе каркаса включают в себя, по меньшей мере, две удлиненные взаимно сходящиеся первые стороны элемента, причем стент выполнен с возможностью расправления от радиально сжатого состояния в состояние, имеющее больший диаметр, отличающийся тем, что в расправленном состоянии стента противоположные двум первым сторонам элемента две взаимно сходящиеся взаимосвязанные вторые стороны элемента имеют точку взаимного соединения, обращенную в продольном направлении точки взаимного соединения между двумя взаимно сходящимися первыми сторонами элемента, и тем, что первый угол (α) между первыми сторонами элемента и обращенный в элемент находится в интервале 20-120o, а второй угол (β) между вторыми сторонами элемента и обращенный в элемент находится в интервале 210-320o, и тем, что корпус изготовлен из тонкостенной трубки или тонкостенного куска пластины, в которой спрофилированы отверстия элемента.1. A expandable intravascular stent containing a flexible, tubular body with a longitudinal axis, the wall of which is formed by mutually connected, closed frame elements located with at least two elements adjacent to each other in a circumferential direction, and the frame elements have sides of material with an elongated shape of the threads, capable of transmitting compressive forces in the axial direction of the threads, and transmitting pressure continuously from one frame element directly to the frame element, next in In the longitudinal direction, the sides of the element in the individual frame element include at least two elongated mutually converging first sides of the element, the stent being configured to expand from a radially compressed state to a state having a larger diameter, characterized in that in the expanded state of the stent opposite to the first two sides of the element two mutually converging interconnected second sides of the element have a point of mutual connection, facing in the longitudinal direction of the point of mutual unity between two mutually converging first sides of the element, and the fact that the first angle (α) between the first sides of the element and facing the element is in the range of 20-120 o , and the second angle (β) between the second sides of the element and facing the element is in the range of 210-320 o , and the fact that the housing is made of a thin-walled tube or thin-walled piece of plate in which the holes of the element are profiled. 2. Расправляемый внутрисосудистый стент по п. 1, отличающийся тем, что боковые секции, проходящие в продольном направлении, взаимосвязывают элементы каркаса. 2. The expandable intravascular stent according to claim 1, characterized in that the lateral sections extending in the longitudinal direction interconnect the frame elements. 3. Расправляемый внутрисосудистый стент по п. 2, отличающийся тем, что указанные боковые секции имеют форму песочных часов. 3. The expandable intravascular stent according to claim 2, characterized in that said lateral sections are hourglass-shaped. 4. Расправляемый внутрисосудистый стент по любому из пп. 1-3, отличающийся тем, что число элементов каркаса в кольцевом ряду в круговом направлении корпуса по существу соответствует радиусу корпуса, измеренному в мм. 4. The expandable intravascular stent according to any one of paragraphs. 1-3, characterized in that the number of frame elements in an annular row in the circular direction of the housing essentially corresponds to the radius of the housing, measured in mm. 5. Расправляемый внутрисосудистый стент по любому из пп. 1-4, отличающийся тем, что отверстия элемента в тонкостенной трубке или пластине спрофилированы с помощью травления. 5. The expandable intravascular stent according to any one of paragraphs. 1-4, characterized in that the holes of the element in a thin-walled tube or plate are profiled by etching. 6. Расправляемый внутрисосудистый стент по любому из пп. 1-5, отличающийся тем, что стент выполнен с возможностью саморасправления из радиально сжатого состояния в расправленное состояние. 6. The expandable intravascular stent according to any one of paragraphs. 1-5, characterized in that the stent is made with the possibility of self-expansion from a radially compressed state to the expanded state. 7. Расправляемый внутрисосудистый стент по любому из пп. 1-6, отличающийся тем, что первый угол (α) между первыми сторонами элемента и обращенный в элемент находится в интервале 60-120o.7. The expandable intravascular stent according to any one of paragraphs. 1-6, characterized in that the first angle (α) between the first sides of the element and facing the element is in the range of 60-120 o . 8. Расправляемый внутрисосудистый стент по любому из пп. 1-7, отличающийся тем, что элементы каркаса, примыкающие друг к другу в кольцевом ряду в круговом направлении корпуса составляют каркасную структуру, повторяемую вдоль длины корпуса. 8. The expandable intravascular stent according to any one of paragraphs. 1-7, characterized in that the frame elements adjacent to each other in an annular row in the circular direction of the housing make up the frame structure, repeated along the length of the housing. 9. Расправляемый внутрисосудистый стент по любому из пп. 1-8, отличающийся тем, что две первые стороны элементов предпочтительно имеют по существу одинаковую длину, и что две вторые стороны элементов имеют по существу одинаковую длину. 9. The expandable intravascular stent according to any one of paragraphs. 1-8, characterized in that the two first sides of the elements preferably have essentially the same length, and that the two second sides of the elements have essentially the same length. 10. Расправляемый внутрисосудистый стент по любому из пп. 1-9, отличающийся тем, что первые стороны элементов по существу параллельны вторым сторонам элементов. 10. The expandable intravascular stent according to any one of paragraphs. 1-9, characterized in that the first sides of the elements are essentially parallel to the second sides of the elements. 11. Расправляемый внутрисосудистый стент по любому из пп. 1-10, отличающийся тем, что вторые стороны элементов и первые стороны элементов все образуют угол между 10 и 45o с продольным направлением корпуса.11. The expandable intravascular stent according to any one of paragraphs. 1-10, characterized in that the second sides of the elements and the first sides of the elements all form an angle between 10 and 45 o with the longitudinal direction of the housing. 12. Расправляемый внутрисосудистый стент по любому из пп. 1-11, отличающийся тем, что указанный первый угол (α) в элементах каркаса меньше в одной области корпуса, чем в другой области корпуса. 12. The expandable intravascular stent according to any one of paragraphs. 1-11, characterized in that said first angle (α) in the frame elements is less in one area of the housing than in another region of the housing. 13. Расправляемый внутрисосудистый стент по любому из пп. 1-12, отличающийся тем, что указанный второй угол (β) в элементах каркаса больше в одной области корпуса, чем в другой области корпуса. 13. The expandable intravascular stent according to any one of paragraphs. 1-12, characterized in that said second angle (β) in the frame elements is larger in one area of the housing than in another region of the housing. 14. Расправляемый внутрисосудистый стент по любому из пп. 1-13, отличающийся тем, что, по меньшей мере, на одном конце корпуса первые и вторые стороны элементов каркаса имеют большую длину и/или элементы каркаса имеют меньший угол (β) между вторыми сторонами элементов, чем в середине корпуса, посредством чего корпус имеет больший диаметр на концах, чем в середине. 14. The expandable intravascular stent according to any one of paragraphs. 1-13, characterized in that, at least at one end of the housing, the first and second sides of the frame elements have a greater length and / or frame elements have a smaller angle (β) between the second sides of the elements than in the middle of the housing, whereby the housing has a larger diameter at the ends than in the middle. 15. Расправляемый внутрисосудистый стент по любому из пп. 1-14, отличающийся тем, что трубчатый корпус снабжен, по меньшей мере, на части его периферической поверхности покрытием, которое непроницаемо для крови. 15. The expandable intravascular stent according to any one of paragraphs. 1-14, characterized in that the tubular body is provided, at least on part of its peripheral surface with a coating that is impervious to blood.
RU2001102543/14A 1995-09-11 2001-01-25 Expandable intravascular stent RU2257180C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK099595A DK171865B1 (en) 1995-09-11 1995-09-11 Expandable endovascular stent
DK0995/95 1995-09-11

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
RU98107324/14A Division RU2175531C2 (en) 1995-09-11 1996-09-09 Expandable intravascular stent

Publications (2)

Publication Number Publication Date
RU2001102543A true RU2001102543A (en) 2003-02-20
RU2257180C2 RU2257180C2 (en) 2005-07-27

Family

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RU98107324/14A RU2175531C2 (en) 1995-09-11 1996-09-09 Expandable intravascular stent
RU2001102543/14A RU2257180C2 (en) 1995-09-11 2001-01-25 Expandable intravascular stent

Family Applications Before (1)

Application Number Title Priority Date Filing Date
RU98107324/14A RU2175531C2 (en) 1995-09-11 1996-09-09 Expandable intravascular stent

Country Status (14)

Country Link
US (1) US5928280A (en)
EP (2) EP1266636B1 (en)
JP (2) JP3714959B2 (en)
CN (1) CN1131017C (en)
AT (2) ATE253878T1 (en)
AU (1) AU712001B2 (en)
CZ (1) CZ289423B6 (en)
DE (2) DE69637173T2 (en)
DK (2) DK171865B1 (en)
ES (1) ES2210383T3 (en)
HU (1) HU220476B1 (en)
PL (1) PL183920B1 (en)
RU (2) RU2175531C2 (en)
WO (1) WO1997009945A1 (en)

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