RU2014112769A - Многополюсный синхронный радиочастотный абляционный катетер для легочной артерии - Google Patents

Многополюсный синхронный радиочастотный абляционный катетер для легочной артерии Download PDF

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RU2014112769A
RU2014112769A RU2014112769A RU2014112769A RU2014112769A RU 2014112769 A RU2014112769 A RU 2014112769A RU 2014112769 A RU2014112769 A RU 2014112769A RU 2014112769 A RU2014112769 A RU 2014112769A RU 2014112769 A RU2014112769 A RU 2014112769A
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B18/1492—Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • 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
    • A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0133—Tip steering devices
    • A61M25/0147—Tip steering devices with movable mechanical means, e.g. pull wires
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/06—Electrodes for high-frequency therapy
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N7/00—Ultrasound therapy
    • A61N7/02—Localised ultrasound hyperthermia
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
    • A61B2017/003—Steerable
    • A61B2017/00318—Steering mechanisms
    • A61B2017/00323—Cables or rods
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00831—Material properties
    • A61B2017/00867—Material properties shape memory effect
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00005—Cooling or heating of the probe or tissue immediately surrounding the probe
    • A61B2018/00011—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids
    • A61B2018/00029—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids open
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00053—Mechanical features of the instrument of device
    • A61B2018/00166—Multiple lumina
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00053—Mechanical features of the instrument of device
    • A61B2018/00214—Expandable means emitting energy, e.g. by elements carried thereon
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
    • A61B2018/00345—Vascular system
    • A61B2018/00351—Heart
    • A61B2018/00375—Ostium, e.g. ostium of pulmonary vein or artery
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
    • A61B2018/00345—Vascular system
    • A61B2018/00404—Blood vessels other than those in or around the heart
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/00577—Ablation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00773—Sensed parameters
    • A61B2018/00791—Temperature
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00773—Sensed parameters
    • A61B2018/00791—Temperature
    • A61B2018/00797—Temperature measured by multiple temperature sensors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00773—Sensed parameters
    • A61B2018/00791—Temperature
    • A61B2018/00821—Temperature measured by a thermocouple
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B2018/1405—Electrodes having a specific shape
    • A61B2018/1407—Loop
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B2018/1467—Probes or electrodes therefor using more than two electrodes on a single probe
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2218/00—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2218/001—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body having means for irrigation and/or aspiration of substances to and/or from the surgical site
    • A61B2218/002—Irrigation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N7/00—Ultrasound therapy
    • A61N2007/0004—Applications of ultrasound therapy
    • A61N2007/0021—Neural system treatment
    • A61N2007/003—Destruction of nerve tissue
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/04—Force
    • F04C2270/041—Controlled or regulated

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Abstract

1. Многополюсный синхронный радиочастотный абляционный катетер для легочной артерии, содержащий ручку (2) управления, корпус (1) катетера и круглое кольцо (4); причемручка (2) управления снабжена регулировочным устройством;корпус (1) катетера выполнен полым, ав корпусе катетера выполнена полость, в которой расположены токоподводящая проволока (6), проволока (7), чувствительная к температуре, и вытяжная проволока (8);один конец корпуса катетера выполнен гибким, причем гибкий конец (3) соединен с круглым кольцом (4); другой конец корпуса катетера соединен с ручкой (2) управления;один конец вытяжной проволоки (8) соединен с гибким концом (3), а другой конец вытяжной проволоки (8) соединен с регулировочным устройством на ручке управления, причем регулировочное устройство регулирует натяжение вытяжной проволоки для регулировки округлой части гибкого конца;проволока (12) с памятью формы выполнена в круглом кольце,один конец проволоки с памятью формы проходит до конца круглого кольца (4), а другой конец проволоки с памятью формы проходит через основание круглого кольца и закреплен на гибком конце (3) корпуса катетера;круглое кольцо снабжено группой электродов, а каждый электрод (5) соединен с токоподводящей проволокой и проволокой (7), чувствительной к температуре;причем токоподводящая проволока (6) и проволока (7), чувствительная к температуре, проходят через корпус (1) катетера и электрически связаны с ручкой (2) управления.2. Катетер по п. 1, в котором в полости корпуса катетера выполнена подающая трубка, а в электроде выполнено сквозное отверстие (15); подающая трубка проходит сквозь круглое кольцо и соединена с электродом; переливаемая текучая среда вытекает из сквозного отверстия.3. Кате

Claims (10)

1. Многополюсный синхронный радиочастотный абляционный катетер для легочной артерии, содержащий ручку (2) управления, корпус (1) катетера и круглое кольцо (4); причем
ручка (2) управления снабжена регулировочным устройством;
корпус (1) катетера выполнен полым, а
в корпусе катетера выполнена полость, в которой расположены токоподводящая проволока (6), проволока (7), чувствительная к температуре, и вытяжная проволока (8);
один конец корпуса катетера выполнен гибким, причем гибкий конец (3) соединен с круглым кольцом (4); другой конец корпуса катетера соединен с ручкой (2) управления;
один конец вытяжной проволоки (8) соединен с гибким концом (3), а другой конец вытяжной проволоки (8) соединен с регулировочным устройством на ручке управления, причем регулировочное устройство регулирует натяжение вытяжной проволоки для регулировки округлой части гибкого конца;
проволока (12) с памятью формы выполнена в круглом кольце,
один конец проволоки с памятью формы проходит до конца круглого кольца (4), а другой конец проволоки с памятью формы проходит через основание круглого кольца и закреплен на гибком конце (3) корпуса катетера;
круглое кольцо снабжено группой электродов, а каждый электрод (5) соединен с токоподводящей проволокой и проволокой (7), чувствительной к температуре;
причем токоподводящая проволока (6) и проволока (7), чувствительная к температуре, проходят через корпус (1) катетера и электрически связаны с ручкой (2) управления.
2. Катетер по п. 1, в котором в полости корпуса катетера выполнена подающая трубка, а в электроде выполнено сквозное отверстие (15); подающая трубка проходит сквозь круглое кольцо и соединена с электродом; переливаемая текучая среда вытекает из сквозного отверстия.
3. Катетер по п. 1, в котором электрод на круглом кольце выполнен из материала, выбранного из группы, состоящей из сплава платины и иридия, золота, сплава нержавеющей стали или сплава никеля, причем выполнено от 3 до 30 электродов, диаметр электрода составляет от 1,3 до 2,0 мм, длина составляет от 1,2 до 4 мм, а расстояние от края до края между соседними электродами составляет от 0,5 до 10 мм.
4. Катетер по п. 1, в котором гибкий конец корпуса катетера выполнен с расточенным отверстием, причем внутренний диаметр расточенного отверстия соответствует внешнему диаметру основания круглого кольца, а основание круглого кольца вставлено в расточенное отверстие и закреплено внутри него.
5. Катетер по п. 1, в котором гибкий конец (3) корпуса катетера снабжен пазом, а в пазу выполнен соединитель (11), причем один конец соединителя соединен с вытяжной проволокой (8), а другой конец соединителя соединен с проволокой (12) с памятью формы.
6. Катетер по п. 1, в котором материал проволоки с памятью формы в круглом кольце представляет собой сплав с памятью формы, выбранный из группы, состоящей из сплава никеля и титана, нержавеющей стали или титана, причем диаметр проволоки составляет от 0,25 до 0,5 мм, диаметр круглого кольца составляет от 12 до 40 мм.
7. Катетер по п. 1, в котором гибкий конец корпуса катетера выполнен из медицинских полимерных материалов и имеет длину от 30 до 80 мм.
8. Катетер по любому из пп. 1-7, в котором соединение обеспечено посредством УФ-отверждаемого адгезива.
9. Катетер по п. 1, в котором соединение между гибким концом и круглым кольцом уплотнено.
10. Катетер по п. 1, в котором вытяжная проволока выполнена из нержавеющей стали или сплава титана и никеля; внешняя сторона вытяжной проволоки снабжена винтовой пружиной (13), а внешняя сторона винтовой пружины снабжена пружинной втулкой (14), выполненной из полиимидного материала.
RU2014112769/14A 2012-11-13 2013-03-28 Многополюсный синхронный радиочастотный абляционный катетер для легочной артерии RU2587945C9 (ru)

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CN201210453470.4 2012-11-13
CN2012104534704A CN102908191A (zh) 2012-11-13 2012-11-13 多极同步肺动脉射频消融导管
CN201310103141.1A CN103142304B (zh) 2012-11-13 2013-03-27 多极同步肺动脉射频消融导管
CN201310103141.1 2013-03-27
PCT/CN2013/073338 WO2014075415A1 (zh) 2012-11-13 2013-03-28 多极同步肺动脉射频消融导管

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RU2587945C2 (ru) 2016-06-27
US20140180277A1 (en) 2014-06-26
BR112014007594B1 (pt) 2022-03-22
US20150057599A1 (en) 2015-02-26
US10874454B2 (en) 2020-12-29
JP6054415B2 (ja) 2016-12-27
RU2587945C9 (ru) 2016-09-27
CN103142304B (zh) 2015-12-02
WO2014075415A1 (zh) 2014-05-22
CN103142304A (zh) 2013-06-12
KR101640329B1 (ko) 2016-07-15
EP2910213B1 (en) 2019-03-20
EP2910213A1 (en) 2015-08-26
JP2015502823A (ja) 2015-01-29
KR20140088087A (ko) 2014-07-09
CN102908191A (zh) 2013-02-06
US20160338774A1 (en) 2016-11-24
BR112014007594A2 (pt) 2017-04-25

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