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RU2013122590A - Гибкие фрагментирующие катетеры с визуализацией и способы их использования и изготовления - Google Patents

Гибкие фрагментирующие катетеры с визуализацией и способы их использования и изготовления Download PDF

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RU2013122590A
RU2013122590A RU2013122590/14A RU2013122590A RU2013122590A RU 2013122590 A RU2013122590 A RU 2013122590A RU 2013122590/14 A RU2013122590/14 A RU 2013122590/14A RU 2013122590 A RU2013122590 A RU 2013122590A RU 2013122590 A RU2013122590 A RU 2013122590A
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proximal
cavity
casing
transmitter
wall
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RU2013122590/14A
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RU2553930C2 (ru
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Бенджамин ФРУЛАНД
Закари ГАРВИ
Итан ГУГГЕНХАЙМЕР
Томас МАКПИК
Джон ПЕДЕРСЕН
Скотт ПЕТЕРСЕН
Линдси КРЕСЧЕНЦО
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Ковидиен Лп
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0062—Arrangements for scanning
    • A61B5/0066—Optical coherence imaging
    • A—HUMAN NECESSITIES
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    • A61B17/32—Surgical cutting instruments
    • A61B17/3205—Excision instruments
    • A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
    • A61B17/320783—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions through side-hole, e.g. sliding or rotating cutter inside catheter
    • A—HUMAN NECESSITIES
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    • A61B5/0084—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes for introduction into the body, e.g. by catheters
    • A61B5/0086—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes for introduction into the body, e.g. by catheters using infrared radiation
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    • A61B17/32—Surgical cutting instruments
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    • A61B2017/320791—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions through side-hole, e.g. sliding or rotating cutter inside catheter with cutter extending outside the cutting window
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    • A61B2090/3782—Surgical systems with images on a monitor during operation using ultrasound transmitter or receiver in catheter or minimal invasive instrument
    • A61B2090/3784—Surgical systems with images on a monitor during operation using ultrasound transmitter or receiver in catheter or minimal invasive instrument both receiver and transmitter being in the instrument or receiver being also transmitter
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    • A61B8/4472—Wireless probes
    • 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
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0082—Catheter tip comprising a tool
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    • A—HUMAN NECESSITIES
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    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
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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
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  • Acoustics & Sound (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
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Abstract

1. Катетер для размещения в сосуде, содержащий:ручку управления;удлиненный проксимальный участок, имеющий проксимальный и дистальный концы, причем проксимальный конец соединен с ручкой управления;устройство дистального наконечника, имеющее проксимальный и дистальный концы; икожух, имеющий проксимальную концевую часть, содержащую первый материал, дистальную концевую часть, содержащую второй материал, и часть корпуса, проходящую между проксимальной и дистальной концевыми частями и содержащую третий материал,причем первый и второй материалы отличны от третьего материала, проксимальная концевая часть соединена с дистальным концом удлиненного проксимального участка, дистальная концевая часть соединена с проксимальным концом устройства дистального наконечника,а кожух имеет стенку полости с внутренней поверхностью, образующей полость, причем стенка полости имеет по меньшей мере одно щелевое отверстие; ипередатчик, установленный по меньшей мере частично внутри полости кожуха.2. Катетер по п.1, в котором внешняя поверхность кожуха имеет по меньшей мере одно ребро.3. Катетер по п.1, в котором передатчик размещен на расстоянии от стенки полости для образования зазора между передатчиком и стенкой полости.4. Катетер по п.1, в котором передатчик выполнен с возможностью получения изображения сосуда охватом в 360° через стенку полости кожуха и по меньшей мере через указанное по меньшей мере одно щелевое отверстие кожуха, причем радиальный угол окружности кожуха, отображаемый передатчиком по меньшей мере через одно щелевое отверстие в стенке полости кожуха, составляет от 60 до 180°.5. Катетер по п.1, в котором первый матер�

Claims (15)

1. Катетер для размещения в сосуде, содержащий:
ручку управления;
удлиненный проксимальный участок, имеющий проксимальный и дистальный концы, причем проксимальный конец соединен с ручкой управления;
устройство дистального наконечника, имеющее проксимальный и дистальный концы; и
кожух, имеющий проксимальную концевую часть, содержащую первый материал, дистальную концевую часть, содержащую второй материал, и часть корпуса, проходящую между проксимальной и дистальной концевыми частями и содержащую третий материал,
причем первый и второй материалы отличны от третьего материала, проксимальная концевая часть соединена с дистальным концом удлиненного проксимального участка, дистальная концевая часть соединена с проксимальным концом устройства дистального наконечника,
а кожух имеет стенку полости с внутренней поверхностью, образующей полость, причем стенка полости имеет по меньшей мере одно щелевое отверстие; и
передатчик, установленный по меньшей мере частично внутри полости кожуха.
2. Катетер по п.1, в котором внешняя поверхность кожуха имеет по меньшей мере одно ребро.
3. Катетер по п.1, в котором передатчик размещен на расстоянии от стенки полости для образования зазора между передатчиком и стенкой полости.
4. Катетер по п.1, в котором передатчик выполнен с возможностью получения изображения сосуда охватом в 360° через стенку полости кожуха и по меньшей мере через указанное по меньшей мере одно щелевое отверстие кожуха, причем радиальный угол окружности кожуха, отображаемый передатчиком по меньшей мере через одно щелевое отверстие в стенке полости кожуха, составляет от 60 до 180°.
5. Катетер по п.1, в котором первый материал содержит нержавеющую сталь, второй материал содержит вольфрам, а третий материал содержит акрилонитрилбутадиенстирол (АБС).
6. Катетер по п.1, дополнительно содержащий:
первый трубчатый элемент, имеющий проксимальный и дистальный концы и стенку, образующую полость, причем по меньшей мере часть первого трубчатого элемента размещена внутри полости кожуха и соединена с проксимальной концевой частью кожуха.
7. Катетер по п.6, в котором проксимальная часть первого трубчатого элемента отходит от проксимального конца кожуха в проксимальном направлении внутри полости в удлиненном проксимальном участке таким образом, что проксимальный конец первого трубчатого элемента расположен проксимально относительно дистального конца удлиненного проксимального участка.
8. Катетер по п.6, дополнительно содержащий:
второй трубчатый элемент, имеющий проксимальный и дистальный концы и стенку, образующую полость, причем по меньшей мере часть второго трубчатого элемента размещена внутри полости первого трубчатого элемента,
и расстояние между внешней поверхностью стенки второго трубчатого элемента и внутренней поверхностью стенки первого трубчатого элемента задает зазор между первым и вторым трубчатыми элементами; и
причем передатчик дополнительно содержит провода, отходящие в проксимальном направлении к ручке управления и расположенные таким образом, чтобы проходить через зазор между первым и вторым трубчатыми элементами.
9. Катетер по п.8, в котором дистальный конец второго трубчатого элемента расположен между дистальным и проксимальным концами первого трубчатого элемента, а проксимальный конец второго трубчатого элемента расположен проксимально относительно проксимального конца первого трубчатого элемента,
10. Способ изготовления катетера, имеющего удлиненный корпус, содержащий проксимальный участок, дистальный участок и кожух передатчика, включающий в себя следующие этапы:
выполнение проксимальной концевой части кожуха из первого материала; выполнение дистальной концевой части кожуха из второго материала;
выполнение корпусной части кожуха, проходящей между проксимальной и дистальной концевыми частями, из третьего материала, причем первый и второй материалы отличны от третьего материала, кожух имеет стенку полости с внутренней поверхностью, образующей полость, а стенка полости имеет по меньшей мере одно щелевое отверстие;
установку по меньшей мере части передатчика внутри полости кожуха и
соединение проксимальной концевой части кожуха с дистальным концом удлиненного проксимального участка и соединение дистальной концевой части кожуха с проксимальным концом дистального участка.
11. Способ по п.10, в котором выполнение корпусной части включает литье под давлением третьего материала поверх первого и второго материалов.
12. Способ изготовления катетера, имеющего ручку управления и удлиненный корпус, содержащий проксимальный участок, дистальный участок и кожух передатчика, включающий в себя следующие этапы:
установку по меньшей мере части передатчика внутри полости первого трубчатого элемента;
соединение первого трубчатого элемента с проксимальной концевой частью кожуха передатчика таким образом, что первый трубчатый элемент и передатчик по меньшей мере частично размещены в полости кожуха передатчика, а сигналоиспускающие элементы на передатчике выровнены с щелевым отверстием в стенке кожуха передатчика; и
соединение проксимальной концевой части кожуха с дистальным концом удлиненного проксимального участка и соединение дистальной концевой части кожуха с проксимальным концом дистального участка.
13. Катетер, содержащий:
трубчатый корпус, имеющий внутреннюю стенку полости, образующую полость;
передатчик, установленный внутри полости и на расстоянии от стенки полости с образованием зазора между передатчиком и стенкой полости; и
гидрофильный материал, перекрывающий зазор между передатчиком и стенкой полости.
14. Гибкий катетер, содержащий:
трубчатый корпус, имеющий продольную ось и внутреннюю стенку полости, образующую полость; и
жесткий передатчик, имеющий корпус наружного размера установленный внутри полости и на расстоянии от стенки полости таким образом, что между наружным размером корпуса передатчика и стенкой полости образован зазор,
причем расстояние между передатчиком и стенкой полости задает ширину зазора,
а передатчик расположен таким образом, что при сгибании катетера в направлении, поперечном продольной оси, ширина зазора меняется.
15. Катетер для размещения в сосуде, содержащий:
ручку управления;
удлиненный проксимальный участок, имеющий проксимальный и дистальный концы, причем проксимальный конец соединен с ручкой управления;
устройство дистального наконечника, имеющее проксимальный и дистальный концы; и
кожух, имеющий проксимальную концевую часть, дистальную концевую часть и часть корпуса, проходящую между проксимальной и дистальной концевыми частями, причем проксимальная концевая часть соединена с дистальным концом удлиненного проксимального участка, дистальная концевая часть соединена с проксимальным концом устройство дистального наконечника, а кожух имеет по меньшей мере одно щелевое отверстие;
первый трубчатый элемент, имеющий проксимальный и дистальный концы и стенку, образующую полость, причем по меньшей мере часть первого трубчатого элемента размещена внутри полости кожуха и соединена с проксимальной концевой частью кожуха; и
передатчик, установленный по меньшей мере частично внутри полости кожуха, причем по меньшей мере часть передатчика расположена внутри полости первого трубчатого элемента, передатчик снабжен средствами визуализации сосуда по меньшей мере через одно щелевое отверстие кожуха и содержит провода, проходящие в проксимальном направлении к ручке управления.
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US9326789B2 (en) 2016-05-03
EP2659840A2 (en) 2013-11-06
US20150080700A1 (en) 2015-03-19
US20120123352A1 (en) 2012-05-17
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US8808186B2 (en) 2014-08-19
AU2011326420A1 (en) 2013-05-30
RU2553930C2 (ru) 2015-06-20
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WO2012064966A3 (en) 2013-01-03
JP2015119982A (ja) 2015-07-02
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AU2011326420B2 (en) 2014-11-27
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