RU2019124994A - Система доставки для эмболизирующей оплетки - Google Patents

Система доставки для эмболизирующей оплетки Download PDF

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RU2019124994A
RU2019124994A RU2019124994A RU2019124994A RU2019124994A RU 2019124994 A RU2019124994 A RU 2019124994A RU 2019124994 A RU2019124994 A RU 2019124994A RU 2019124994 A RU2019124994 A RU 2019124994A RU 2019124994 A RU2019124994 A RU 2019124994A
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configuration
delivery
delivery tube
implant
pull wire
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RU2019124994A
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Лейси ГОРОЧОВ
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Депуи Синтез Продактс, Инк.
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
    • A61B17/12027—Type of occlusion
    • A61B17/12031—Type of occlusion complete occlusion
    • 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
    • A61M29/00—Dilators with or without means for introducing media, e.g. remedies
    • A61M29/02—Dilators made of swellable material
    • A—HUMAN NECESSITIES
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    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
    • A61B17/12099—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
    • A61B17/12109—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel
    • A61B17/12113—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel within an aneurysm
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    • A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
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    • A—HUMAN NECESSITIES
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    • 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
    • A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
    • A61L31/14—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
    • A61L31/18—Materials at least partially X-ray or laser opaque
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
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    • A—HUMAN NECESSITIES
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    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61B2017/00831—Material properties
    • A61B2017/00951—Material properties adhesive
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
    • A61B2017/1205—Introduction devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
    • A61B2017/1205—Introduction devices
    • A61B2017/12054—Details concerning the detachment of the occluding device from the introduction device
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
    • A61B2090/3966—Radiopaque markers visible in an X-ray image
    • 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
    • A61F2002/823—Stents, different from stent-grafts, adapted to cover an aneurysm
    • 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
    • A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
    • A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
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    • A61M29/00—Dilators with or without means for introducing media, e.g. remedies
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    • A61M2029/025—Dilators made of swellable material characterised by the guiding element
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
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    • D10B2509/06—Vascular grafts; stents

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  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
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  • Manufacturing & Machinery (AREA)
  • Epidemiology (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Surgical Instruments (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Prostheses (AREA)

Claims (41)

1. Система для высвобождения имплантата в аневризме, содержащая:
плетеный имплантат;
доставочную трубку, содержащую проходящий сквозь нее просвет, дистальный конец, наружную поверхность и канал, расположенный на наружной поверхности;
высвобождающий компонент, содержащий:
ленту, содержащую наружную поверхность, прикрепленную к первому участку плетеного имплантата, и просвет, охватывающий доставочную трубку, рядом с дистальным концом доставочной трубки, и
пружинный элемент, прикрепленный к ленте, причем пружинный элемент выполнен с возможностью перемещения из сжатой конфигурации в удлиненную конфигурацию, при этом сжатая конфигурация прижимает наружную поверхность доставочной трубки, а удлиненная конфигурация проходит от наружной поверхности доставочной трубки; и
вытягивающую проволоку, расположенную внутри канала доставочной трубки, причем вытягивающая проволока выполнена с возможностью перемещения из сцепленной конфигурации в высвобождающую конфигурацию, при этом сцепленная конфигурация зацепляет высвобождающий компонент, а высвобождающая конфигурация позволяет пружинному элементу расширяться в его удлиненную конфигурацию.
2. Система по п. 1,
в которой первый участок плетеного имплантата отделен от второго участка плетеного имплантата складкой,
причем первый участок охватывает часть наружной поверхности дистального конца доставочной трубки, и
причем второй участок содержит удлиненную трубчатую структуру и расположен внутри просвета доставочной трубки.
3. Система по п. 1, в которой вытягивающая проволока содержит выступающий участок и удлиненный участок, причем перемещение удлиненного участка приводит к перемещению выступающего участка из сцепленной конфигурации в высвобождающую конфигурацию.
4. Система по п. 3, в которой вытягивающая проволока скреплена с каналом доставочной трубки с помощью адгезива, и причем перемещение удлиненного участка приводит к разрыву адгезива для открепления вытягивающей проволоки.
5. Система по п. 1, дополнительно содержащая прикрепляющий компонент, прикрепляющий плетеный имплантат к наружной поверхности ленты, причем прикрепляющий компонент содержит проходящий сквозь него просвет, при этом просвет охватывает ленту.
6. Система по п. 1, в которой пружинный элемент представляет собой удлиненный элемент, содержащий проксимальный конец и дистальный конец, причем проксимальный конец прикреплен к дистальной поверхности ленты, причем дистальный конец прижимает наружную поверхность доставочной трубки в сжатой конфигурации и дистальный конец проходит от наружной поверхности доставочной трубки в удлиненной конфигурации.
7. Система по п. 1, в которой высвобождающий компонент дополнительно содержит окклюзионный элемент, прикрепленный к ленте, выполненной с возможностью перемещения из конфигурации доставки в раскрытую конфигурацию, причем конфигурация доставки проходит продольно вдоль наружной поверхности доставочной трубки, а раскрытая конфигурация по меньшей мере частично перекрывает просвет ленты.
8. Система по п. 1, в которой высвобождающий компонент содержит рентгеноконтрастный материал.
9. Устройство для лечения аневризмы, содержащее:
трубчатый доставочный элемент, содержащий дистальный доставочный конец, внутреннее пространство и внешнюю поверхность;
плетеный трубчатый имплантат, содержащий:
дистальный конец имплантата, проходящий наружу от дистального доставочного конца трубчатого доставочного элемента и складывающийся проксимально поверх части внешней поверхности трубчатого доставочного элемента, и
проксимальный конец имплантата, расположенный во внутреннем пространстве трубчатого доставочного элемента;
высвобождающий компонент, прикрепленный к дистальному концу имплантата и прикрепленный с возможностью отсоединения ко внешней поверхности трубчатого доставочного элемента рядом с дистальным доставочным концом; и
изгибаемый элемент, расположенный рядом с дистальным доставочным концом трубчатого доставочного элемента, при этом изгибаемый элемент имеет изогнутую конфигурацию и прямую конфигурацию, причем изогнутая конфигурация зацепляет дистальную поверхность высвобождающего компонента, а прямая конфигурация отцепляется от дистальной поверхности высвобождающего компонента.
10. Устройство по п. 9, в котором высвобождающий компонент содержит прикрепленную конфигурацию и раскрытую конфигурацию, причем прикрепленная конфигурация зацепляет внешнюю поверхность трубчатого доставочного элемента, а раскрытая конфигурация отцепляет внешнюю поверхность трубчатого доставочного элемента.
11. Устройство по п. 10, в котором раскрытая конфигурация по меньшей мере частично окклюдирует просвет ленты.
12. Устройство по п. 9, в котором изгибаемый элемент представляет собой выступающий участок вытягивающей проволоки, и причем перемещение удлиненного участка вытягивающей проволоки приводит к перемещению выступающего участка из изогнутой конфигурации в прямую конфигурацию.
13. Устройство по п. 12, в котором вытягивающая проволока расположена внутри канала на внешней поверхности трубчатого доставочного элемента.
14. Устройство по п. 12, в котором вытягивающая проволока скреплена с трубчатым доставочным элементом с помощью адгезива, и причем перемещение удлиненного участка приводит к разрыву адгезива для открепления вытягивающей проволоки.
15. Способ высвобождения имплантата в целевом участке аневризмы, включающий в себя:
обеспечение системы доставки плетеного имплантата, в которой система доставки имплантата содержит плетеный имплантат, доставочную трубку, высвобождающий компонент и вытягивающую проволоку;
зацепление вытягивающей проволоки с высвобождающим компонентом;
зацепление высвобождающего компонента с доставочной трубкой;
имплантацию плетеного имплантата в целевой участок;
вытягивание вытягивающей проволоки для отцепления от высвобождающего компонента;
отцепление высвобождающего компонента от доставочной трубки; и
высвобождение высвобождающего компонента из доставочной трубки, в результате чего плетеный имплантат высвобождается из доставочной трубки.
16. Способ по п. 15, в котором стадия высвобождения высвобождающего компонента дополнительно включает в себя стадию перемещения пружинного элемента высвобождающего компонента из сцепленной конфигурации, зацепляющей наружную поверхность доставочной трубки, в высвобожденную конфигурацию, проходящую от наружной поверхности доставочной трубки.
17. Способ по п. 15, в котором стадия имплантации плетеного имплантата дополнительно включает в себя формирование окклюзирующего мешка посредством переворачивания части плетеного имплантата.
18. Способ по п. 15, дополнительно включающий в себя стадию скрепления вытягивающей проволоки с доставочной трубкой с помощью адгезива; и причем стадия вытягивания вытягивающей проволоки дополнительно включает в себя стадию разрыва адгезива.
19. Способ по п. 15, в котором высвобождающий компонент содержит просвет и элемент, выполненный с возможностью перемещения, причем способ дополнительно включает в себя стадию перемещения элемента для по меньшей мере частичного окклюдирования просвета.
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