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RU2008138267A - Устойчивый к разрывам спиральный стент, содержащий бистабильные ячейки и способы его использования - Google Patents

Устойчивый к разрывам спиральный стент, содержащий бистабильные ячейки и способы его использования Download PDF

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RU2008138267A
RU2008138267A RU2008138267/14A RU2008138267A RU2008138267A RU 2008138267 A RU2008138267 A RU 2008138267A RU 2008138267/14 A RU2008138267/14 A RU 2008138267/14A RU 2008138267 A RU2008138267 A RU 2008138267A RU 2008138267 A RU2008138267 A RU 2008138267A
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prosthesis
prosthesis according
unit cells
spiral
rod
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RU2008138267/14A
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Петрус Антониус БЕССЭЛИНК (NL)
Петрус Антониус БЕССЭЛИНК
Марк С. БЭЙТС (US)
Марк С. БЭЙТС
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Нексион Медсистемс, Инк. (Us)
Нексион Медсистемс, Инк.
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Publication of RU2008138267A publication Critical patent/RU2008138267A/ru

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • 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
    • A61F2/88—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure the wire-like elements formed as helical or spiral coils
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/11—Surgical instruments, devices or methods for performing anastomosis; Buttons for anastomosis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • 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
    • A61F2/064—Blood vessels with special features to facilitate anastomotic coupling
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • 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
    • 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 sheets or tubes, e.g. perforated by laser cuts or etched holes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • 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
    • 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 sheets or tubes, e.g. perforated by laser cuts or etched holes
    • 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 sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/02—Inorganic materials
    • A61L27/04—Metals or alloys
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • 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
    • 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 sheets or tubes, e.g. perforated by laser cuts or etched holes
    • 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 sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
    • A61F2002/91533—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 sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other characterised by the phase between adjacent bands
    • A61F2002/91541—Adjacent bands are arranged out of phase

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Cardiology (AREA)
  • Vascular Medicine (AREA)
  • Pulmonology (AREA)
  • Optics & Photonics (AREA)
  • Physics & Mathematics (AREA)
  • Gastroenterology & Hepatology (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Chemical & Material Sciences (AREA)
  • Hematology (AREA)
  • Anesthesiology (AREA)
  • Biophysics (AREA)
  • Inorganic Chemistry (AREA)
  • Dermatology (AREA)
  • Medicinal Chemistry (AREA)
  • Epidemiology (AREA)
  • Prostheses (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Materials For Medical Uses (AREA)

Abstract

1. Протез, содержащий спиральный корпус, имеющий несколько витков, содержащих бистабильные ячейки, соединенные перемычками, причем каждая из бистабильных ячеек содержит тонкий стержень, включающий первый и второй концы, соединенные с толстым стержнем, причем тонкий стержень выполнен с возможностью перехода только между устойчивой полностью сжатой конфигурацией и устойчивой полностью раздвинутой конфигурацией. ! 2. Протез по п.1, дополнительно содержащий по меньшей мере один оконечной виток, включающий дополнительные единичные ячейки, которые задают кольцевую конструкцию, когда протез развернут. ! 3. Протез по п.2, в котором по меньшей мере некоторые из дополнительных единичных ячеек представляют собой бистабильные ячейки. ! 4. Протез по п.1, в котором тонкий стержень имеет первую толщину, толстый стержень имеет вторую толщину, а отношение первой толщины ко второй толщине составляет от 1:2 до 1:5. ! 5. Протез по п.1, в котором тонкий стержень и толстый стержень удлинены в направлении, параллельном продольной оси спирального корпуса. ! 6. Протез по п.1, в котором первый конец тонкого стержня соединен с толстым стержнем на дистальном конце единичной ячейки, а второй конец тонкого стержня соединен с толстым стержнем на проксимальном конце единичной ячейки, причем, когда протез развернут, проксимальные концы единичных ячеек одного витка спирального корпуса прилегают к дистальным концам единичных ячеек смежного витка спирального корпуса. ! 7. Протез по п.6, в котором шаг спирального корпуса выбран таким, что, когда протез развернут, между проксимальными концами единичных ячеек одного витка спирального корпуса и дистальным

Claims (18)

1. Протез, содержащий спиральный корпус, имеющий несколько витков, содержащих бистабильные ячейки, соединенные перемычками, причем каждая из бистабильных ячеек содержит тонкий стержень, включающий первый и второй концы, соединенные с толстым стержнем, причем тонкий стержень выполнен с возможностью перехода только между устойчивой полностью сжатой конфигурацией и устойчивой полностью раздвинутой конфигурацией.
2. Протез по п.1, дополнительно содержащий по меньшей мере один оконечной виток, включающий дополнительные единичные ячейки, которые задают кольцевую конструкцию, когда протез развернут.
3. Протез по п.2, в котором по меньшей мере некоторые из дополнительных единичных ячеек представляют собой бистабильные ячейки.
4. Протез по п.1, в котором тонкий стержень имеет первую толщину, толстый стержень имеет вторую толщину, а отношение первой толщины ко второй толщине составляет от 1:2 до 1:5.
5. Протез по п.1, в котором тонкий стержень и толстый стержень удлинены в направлении, параллельном продольной оси спирального корпуса.
6. Протез по п.1, в котором первый конец тонкого стержня соединен с толстым стержнем на дистальном конце единичной ячейки, а второй конец тонкого стержня соединен с толстым стержнем на проксимальном конце единичной ячейки, причем, когда протез развернут, проксимальные концы единичных ячеек одного витка спирального корпуса прилегают к дистальным концам единичных ячеек смежного витка спирального корпуса.
7. Протез по п.6, в котором шаг спирального корпуса выбран таким, что, когда протез развернут, между проксимальными концами единичных ячеек одного витка спирального корпуса и дистальными концами единичных ячеек смежного витка спирального корпуса сформирован зазор.
8. Протез по п.7, в котором шаг спирального корпуса выбран таким, что, когда протез развернут, проксимальные концы единичных ячеек одного витка спирального корпуса смещены вдоль периферии по отношению к дистальным концам единичных ячеек смежного витка спирального корпуса.
9. Протез по п.1, в котором тонкий стержень и толстый стержень имеют дугообразную форму.
10. Протез по п.1, в котором каждая перемычка соединяет тонкий стержень одной бистабильной ячейки с толстым стержнем смежной бистабильной ячейки.
11. Протез по п.1, дополнительно содержащий по меньшей мере один рентгеноконтрастный маркер, прикрепленный к спиральному корпусу.
12. Протез по п.1, в котором спиральный корпус дополнительно содержит биологически активное вещество или покрытие из лекарственных средств.
13. Протез по п.1, в котором спиральный корпус содержит материал с памятью формы.
14. Протез по п.1, в котором спиральный корпус содержит биоразложимый материал.
15. Комплект для лечения окклюзии сосуда тела, содержащий:
протез по любому из пп.1-14; и
визуализирующий катетер, содержащий удлиненный корпус, включающий проксимальный конец, дистальный конец, трубчатую полость для направляющего троса, проходящую через корпус, клиновидную часть, расположенную рядом с дистальным концом, и по меньшей мере один рентгеноконтрастный маркер, расположенный на клиновидной части.
16. Комплект по п.15, в котором визуализирующий катетер дополнительно содержит отверстие для введения, по меньшей мере одно выходное отверстие и вторую трубчатую полость, проходящую от отверстия для введения до указанного по меньшей мере одного выходного отверстия.
17. Комплект по п.16, в котором указанное по меньшей мере одно выходное отверстие расположено рядом с клиновидной частью.
18. Комплект по п.15, в котором дистальный конец удлиненного корпуса выполнен с возможностью поворота.
RU2008138267/14A 2006-03-29 2007-03-23 Устойчивый к разрывам спиральный стент, содержащий бистабильные ячейки и способы его использования RU2008138267A (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/391,940 2006-03-29
US11/391,940 US8353948B2 (en) 1997-01-24 2006-03-29 Fracture-resistant helical stent incorporating bistable cells and methods of use

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RU2008138267A true RU2008138267A (ru) 2010-05-10

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US (1) US8353948B2 (ru)
EP (1) EP1998714B1 (ru)
JP (3) JP2009531135A (ru)
KR (1) KR101365548B1 (ru)
CN (2) CN102232884B (ru)
AU (1) AU2007243708B2 (ru)
CA (1) CA2647305C (ru)
ES (1) ES2524336T3 (ru)
RU (1) RU2008138267A (ru)
WO (1) WO2007126729A2 (ru)

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