RU2002102422A - Способ изготовления раздвоенного стента (варианты) - Google Patents
Способ изготовления раздвоенного стента (варианты) Download PDFInfo
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- RU2002102422A RU2002102422A RU2002102422/14A RU2002102422A RU2002102422A RU 2002102422 A RU2002102422 A RU 2002102422A RU 2002102422/14 A RU2002102422/14 A RU 2002102422/14A RU 2002102422 A RU2002102422 A RU 2002102422A RU 2002102422 A RU2002102422 A RU 2002102422A
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- strip
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- proximal end
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/856—Single tubular stent with a side portal passage
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
- A61F2/07—Stent-grafts
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/852—Two or more distinct overlapping stents
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- A—HUMAN NECESSITIES
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
- A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
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- A61F2/91—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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- A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
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- A61F2/915—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/954—Instruments specially adapted for placement or removal of stents or stent-grafts for placing stents or stent-grafts in a bifurcation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/958—Inflatable balloons for placing stents or stent-grafts
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- A—HUMAN NECESSITIES
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
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- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
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- A—HUMAN NECESSITIES
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- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S623/00—Prosthesis, i.e. artificial body members, parts thereof, or aids and accessories therefor
- Y10S623/901—Method of manufacturing prosthetic device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
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- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Oral & Maxillofacial Surgery (AREA)
- Gastroenterology & Hepatology (AREA)
- Pulmonology (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Prostheses (AREA)
- Materials For Medical Uses (AREA)
Claims (56)
1. Способ изготовления раздвоенного стента, при котором осуществляют
а) приготовление первой полоски, имеющей первый край, второй край, третий край и четвертый край,
б) приготовление второй полоски, имеющей первый край, второй край, третий край и четвертый край,
в) приготовление третьей полоски, имеющей первый край, второй край, третий край и четвертый край,
отличающийся тем, что
г) прикрепляют указанный второй край к указанному третьему краю указанной первой полоски для образования трубчатой первой ответвленной части, имеющей проксимальный конец и дистальный конец,
д) прикрепляют указанный второй край к указанному третьему краю указанной второй полоски для образования трубчатой второй ответвленной части, имеющей проксимальный конец и дистальный конец,
е) прикрепляют указанный второй край к указанному третьему краю указанной третьей полоски для образования трубчатой стержневой части, имеющей проксимальный конец и дистальный конец, и
ж) прикрепляют указанный проксимальный конец указанной первой ответвленной части и указанный проксимальный конец указанной второй ответвленной части к указанному дистальному концу указанной стержневой части, причем первая полоска и вторая полоска имеют, по существу, один и тот же размер.
2. Способ по п.1, при котором первая и вторая полоска имеют разный размер.
3. Способ по п.1, при котором прикрепление осуществляют путем привинчивания.
4. Способ по п.1, при котором прикрепление осуществляют путем опрессовки.
5. Способ по п.1, при котором прикрепление осуществляют путем пайки.
6. Способ по п.1, при котором прикрепление осуществляют путем сварки.
7. Способ по п.1, при котором прикрепление осуществляют путем точечной сварки.
8. Способ по п.1, при котором дополнительно осуществляют травление и приспосабливают стент к получению его конечных размеров после расширения.
9. Способ изготовления раздвоенного стента, при котором осуществляют:
а) приготовление первой полоски, имеющей проксимальный конец и дистальный конец,
отличающийся тем, что
б) деформируют указанный дистальный конец указанной первой полоски для образования первого ответвления и деформируют указанный проксимальный конец указанной первой полоски для образования первой стержневой половины,
в) приготавливают вторую полоску, имеющую проксимальный конец и дистальный конец,
г) деформируют указанный дистальный конец указанной второй полоски для образования второго ответвления и деформируют указанный проксимальный конец указанной второй полоски для образования второй стержневой половины, и
д) соединяют указанную первую стержневую половину с указанной второй стержневой половиной для образования стержня, причем вторую полоску дополнительно снабжают расширяемым рисунком.
10. Способ по п.9, при котором первая и вторая полоски имеют, по существу, один и тот же размер.
11. Способ по п.9, при котором первая и вторая полоски имеют разный размер.
12. Способ по п.9, при котором соединение осуществляют путем привинчивания.
13. Способ по п.9, при котором соединение осуществляют путем опрессовки.
14. Способ по п.9, при котором соединение осуществляют путем пайки.
15. Способ по п.9, при котором соединение осуществляют путем сварки.
16. Способ по п.9, при котором соединение осуществляют путем точечной сварки.
17. Способ изготовления раздвоенного стента, заключающийся в том, что
а) приготавливают первую полоску, имеющую проксимальный конец и дистальный конец и имеющую первую сторону, вторую сторону, третью сторону, четвертую сторону, пятую сторону, шестую сторону, седьмую сторону и восьмую сторону,
б) деформируют указанный дистальный конец указанной первой полоски и соединяют указанную четвертую сторону с указанной шестой стороной для образования первого ответвления и деформируют указанный проксимальный конец указанной первой полоски для образования первой стержневой половины,
в) приготавливают вторую полоску, имеющую проксимальный конец и дистальный конец и имеющую первую сторону, вторую сторону, третью сторону, четвертую сторону, пятую сторону, шестую сторону, седьмую сторону и восьмую сторону,
г) деформируют указанный дистальный конец указанной второй полоски и соединяют указанную четвертую сторону с указанной шестой стороной для образования второго ответвления и деформируют указанный проксимальный конец указанной второй полоски для образования второй стержневой половины, и
д) соединяют указанную восьмую сторону указанной первой стержневой половины с указанной второй стороной указанной второй стержневой половины и соединяют указанную вторую сторону указанной первой стержневой половины с указанной восьмой стороной указанной второй стержневой половины для образования стержня.
18. Способ по п.17, при котором первая полоска и вторая полоска имеют, по существу, один и тот же размер.
19. Способ по п.17, при котором первая полоска и вторая полоска имеют разный размер.
20. Способ по п.17, при котором соединения осуществляют путем привинчивания.
21. Способ по п.17, при котором соединения осуществляют путем опрессовки.
22. Способ по п.17, при котором соединения осуществляют путем пайки.
23. Способ по п.17, при котором соединения осуществляют путем сварки.
24. Способ по п.17, при котором соединения осуществляют путем точечной сварки.
25. Способ по п.17, при котором дополнительно снабжают полоски протравленным рисунком.
26. Способ изготовления раздвоенного стента, заключающийся в том, что
а) приготавливают первый расширяемый трубчатый элемент, имеющий проксимальный конец и дистальный конец и сквозной продольный канал, причем указанный первый трубчатый элемент снабжен отверстием ответвления, расположенным между указанным проксимальным концом и указанным дистальным концом, при этом указанное отверстие ответвления сообщается с указанным продольным каналом и подобрано по размеру и приспособлено для вставления и закрепления второго расширяемого трубчатого элемента,
б) подают указанный первый расширяемый трубчатый элемент в раздвоенный сосуд, имеющий первый просвет и второй просвет, так что указанный первый расширяемый элемент располагается в указанном первом просвете, а указанное отверстие ответвления сообщается с указанным вторым просветом,
в) расширяют указанный первый расширяемый элемент так, что это достаточно для закрепления указанного первого расширяемого элемента в указанном первом просвете,
г) приготавливают второй расширяемый трубчатый элемент, имеющий проксимальный конец и дистальный конец и имеющий сквозной продольный канал,
д) расширяют отверстие ответвления так, что это достаточно для образования фиксирующего ответвление выступа,
е) подают указанный второй расширяемый трубчатый элемент в указанное отверстие ответвления так, что дистальный конец указанного второго расширяемого трубчатого элемента располагается в указанном втором просвете, а проксимальный конец указанного второго расширяемого трубчатого элемента располагается в указанном продольном канале указанного первого продольного элемента, и
ж) расширяют указанный второй расширяемый трубчатый элемент так, что это достаточно для закрепления указанного второго расширяемого трубчатого элемента в указанном втором просвете и в указанном отверстии ответвления.
27. Способ по п.26, при котором операции подачи б) и е) и операции расширения в) и ж) и операцию уширения д) выполняют с помощью баллонного катетера.
28. Способ по п.26, при котором дополнительно формируют фиксирующий ответвление выступ на отверстии ответвления.
29. Способ по п.26, при котором фиксирующий ответвление выступ формируют во время операции д).
30. Раздвоенный стент, содержащий
а) первую полоску, имеющую первый край, второй край, третий край и четвертый край,
б) вторую полоску, имеющую первый край, второй край, третий край и четвертый край,
в) третью полоску, имеющую первый край, второй край, третий край и четвертый край,
г) указанный второй край указанной первой полоски, прикрепленный к указанному третьему краю указанной первой полоски для образования трубчатой первой ответвленной части, имеющей проксимальный конец и дистальный конец,
д) указанный второй край указанной второй полоски, прикрепленный к указанному третьему краю указанной второй полоски для образования трубчатой второй ответвленной части, имеющей проксимальный конец и дистальный конец,
е) указанный второй край указанной третьей полоски, прикрепленный к указанному третьему краю указанной третьей полоски для образования трубчатой третьей ответвленной части, имеющей проксимальный конец и дистальный конец,
ж) указанный проксимальный конец указанной первой ответвленной части и указанный проксимальный конец указанной второй ответвленной части, прикрепленные к указанному дистальному концу указанной стержневой части.
31. Стент по п.30, в котором первая полоска и вторая полоска имеют, по существу, один и тот же размер.
32. Стент по п.30, в котором первая полоска и вторая полоска имеют разный размер.
33. Стент по п.30, в котором полоски прикреплены посредством винта.
34. Стент по п.30, в котором полоски прикреплены посредством отогнутой кромки.
35. Стент по п.30, в котором полоски прикреплены посредством припоя.
36. Стент по п.30, в котором полоски прикреплены посредством сварного шва.
37. Стент по п.30, в котором полоски прикреплены посредством точечного сварного шва.
38. Стент по п.30, в котором стент протравлен и приспособлен к приобретению его конечных размеров после расширения.
39. Раздвоенный стент, содержащий
а) первую полоску, имеющую проксимальный конец и дистальный конец, причем указанный дистальный конец указанной первой полоски деформирован для образования первого ответвления, а указанный проксимальный конец указанной первой полоски деформирован для образования первой стержневой половины,
б) вторую полоску, имеющую проксимальный конец и дистальный конец, причем указанный дистальный конец указанной второй полоски деформирован для образования второго ответвления, а указанный проксимальный конец указанной второй полоски деформирован для образования второй стержневой половины, и
в) средство для соединения указанной первой стержневой половины с указанной второй стержневой половиной для образования стержня.
40. Стент по п.39, в котором первая полоска и вторая полоска имеют, по существу, один и тот же размер.
41. Стент по п.39, в котором первая полоска и вторая полоска имеют разный размер.
42. Стент по п.39, в котором средством для соединения является винт.
43. Стент по п.39, в котором средством для соединения является отогнутая кромка.
44. Стент по п.39, в котором средством для соединения является припой.
45. Стент по п.39, в котором средством для соединения является сварной шов.
46. Стент по п.45, в котором средством для соединения является точечный сварной шов.
47. Стент по п.39, в котором первая и вторая полоски протравлены с получением расширяемого рисунка.
48. Раздвоенный стент, содержащий
а) первую полоску, имеющую проксимальный конец и дистальный конец и имеющую первую сторону, вторую сторону, третью сторону, четвертую сторону, пятую сторону, шестую сторону, седьмую сторону и восьмую сторону, причем указанная четвертая сторона и указанная шестая сторона указанной первой полоски деформированы и соединены для образования первого ответвления, а указанный проксимальный конец указанной первой полоски деформирован для образования первой стержневой половины,
б) вторую полоску, имеющую проксимальный конец и дистальный конец и имеющую первую сторону, вторую сторону, третью сторону, четвертую сторону, пятую сторону, шестую сторону, седьмую сторону и восьмую сторону, причем указанная четвертая сторона и указанная шестая сторона указанной второй полоски деформированы и соединены для образования второго ответвления, а указанный проксимальный конец указанной второй полоски деформирован для образования второй стержневой половины,
в) средство для соединения указанной восьмой стороны указанной первой стержневой половины с указанной второй стороной указанной второй стержневой половины и соединения указанной второй стороны указанной первой стержневой половины с указанной восьмой стороной указанной второй стержневой половины для образования стержня.
49. Стент по п.48, в котором первая полоска и вторая полоска имеют, по существу, один и тот же размер.
50. Стент по п.48, в котором первая полоска и вторая полоска имеют разный размер.
51. Стент по п.48, в котором средством для соединения является винт.
52. Стент по п.48, в котором средством для соединения является отогнутая кромка.
53. Стент по п.48, в котором средством для соединения является припой.
54. Стент по п.48, в котором средством для соединения является сварной шов.
55. Стент по п.48, в котором средством для соединения является точечный сварной шов.
56. Стент по п.48, в котором первая и вторая полоски снабжены расширяемым рисунком.
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US64229796A | 1996-05-03 | 1996-05-03 | |
US08/642297 | 1996-05-03 |
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RU2002102422/14A RU2002102422A (ru) | 1996-05-03 | 2002-01-25 | Способ изготовления раздвоенного стента (варианты) |
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