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    • 1. 发明授权
    • Ablation catheter with balloon
    • 消融导管与气球
    • US09439725B2
    • 2016-09-13
    • US14123595
    • 2012-06-08
    • Hiroyuki HaradaMotoki TakaokaAkinori MatsukumaTakahiro Yagi
    • Hiroyuki HaradaMotoki TakaokaAkinori MatsukumaTakahiro Yagi
    • A61B18/12A61B18/14A61B18/00
    • A61B18/1492A61B2018/0022A61B2018/00357A61B2018/00434A61B2018/00511A61B2018/00577A61B2018/00642A61B2018/00702A61B2018/00821
    • A balloon ablation catheter achieves reduction in diameter of the balloon upon balloon contraction and increased reliability of the thermocouple temperature sensor, which balloon ablation catheter is less likely to be influenced by the heating liquid discharged into the balloon and able to control the balloon surface temperature with high accuracy. The balloon ablation catheter includes a shaft wherein a lumen is formed; a balloon wherein the lumen communicates with the inside thereof; and a high-frequency-current-applying electrode formed by coiling a high-frequency-power-supplying lead wire around the shaft while sandwiching a temperature sensor lead wire between the high-frequency-power-supplying lead wire and the shaft such that the temperature sensor lead wire is fixed along the longitudinal direction of the shaft; wherein a thermocouple thermosensor is formed at the point where the high-frequency-power-supplying lead wire and the temperature sensor lead wire constituting the high-frequency-current-applying electrode contact with each other for the first time as seen from the posterior end side in the longitudinal direction.
    • 球囊消融导管在球囊收缩时实现球囊直径的减小,并且增加了热电偶温度传感器的可靠性,气球消融导管不太可能受到排放到球囊中的加热液体的影响,并且能够用 高准确率。 气囊消融导管包括其中形成内腔的轴; 气囊,其中内腔与其内部连通; 以及高频电流施加电极,其通过在高频供电引线和轴之间夹着温度传感器引线而将围绕轴的高频供电引线卷绕而形成,使得 温度传感器引线沿轴的长度方向固定; 其特征在于,在构成所述高频电流施加电极的所述高频供电引线和所述温度传感器引线从所述后端观察时第一次形成热电偶热敏电阻 侧纵向。
    • 3. 发明授权
    • Stirring method and ablation catheter system with balloon
    • 用气球搅拌法和消融导管系统
    • US09393065B2
    • 2016-07-19
    • US13260793
    • 2010-03-30
    • Motoki TakaokaAkinori MatsukumaTakahiro Yagi
    • Motoki TakaokaAkinori MatsukumaTakahiro Yagi
    • A61B18/04A61B18/00
    • A61B18/04A61B2018/00577A61B2018/046
    • Provided is an ablation catheter system with a balloon which can improve the effect of therapy by ablation by eliminating variation in the surface temperature of a balloon in the ablation catheter with a balloon which cauterizes the tissue. An ablation catheter system with a balloon comprising a catheter shaft, a balloon fixed to the catheter shaft, a lumen which penetrates the catheter shaft in the direction of the long axis and communicates with the interior of the balloon, a heating electrode arranged in the balloon, a heating device which applies electrical energy to the heating electrode, and a vibration imparting device which imparts a vibration to the heating liquid by periodically repeating suction and ejection of the heating liquid from the lumen. Also provided is a stirring method for stirring the heating liquid by vibration wherein the vibration is imparted in such a manner that the value obtained by dividing the volume of the heating liquid being ejected toward the balloon by single ejection by the expansion volume of the balloon and then multiplying the quotient by 100 becomes 2-9.
    • 提供了一种具有气囊的消融导管系统,其可以通过消除烧蚀导管中的气球的表面温度的变化来改善烧蚀治疗的效果,其中烧灼组织的球囊。 一种具有球囊的消融导管系统,包括导管轴,固定到导管轴的球囊,沿长轴方向穿透导管轴并与球囊内部连通的内腔,布置在球囊内的加热电极 ,向加热电极施加电能的加热装置,以及通过周期性地重复地从内腔抽吸和喷射加热液体而向加热液体施加振动的振动赋予装置。 还提供了一种用于通过振动来搅拌加热液体的搅拌方法,其中施加振动,使得通过将通过气球的膨胀体积单次喷射朝向气球喷射的加热液体的体积所得到的值和 然后将商乘以100变为2-9。
    • 5. 发明申请
    • ABLATION CATHETER WITH BALLOON
    • 吸气管与气球
    • US20140114306A1
    • 2014-04-24
    • US14123595
    • 2012-06-08
    • Hiroyuki HaradaMotoki TakaokaAkinori MatsukumaTakahiro Yagi
    • Hiroyuki HaradaMotoki TakaokaAkinori MatsukumaTakahiro Yagi
    • A61B18/14
    • A61B18/1492A61B2018/0022A61B2018/00357A61B2018/00434A61B2018/00511A61B2018/00577A61B2018/00642A61B2018/00702A61B2018/00821
    • A balloon ablation catheter achieves reduction in diameter of the balloon upon balloon contraction and increased reliability of the thermocouple temperature sensor, which balloon ablation catheter is less likely to be influenced by the heating liquid discharged into the balloon and able to control the balloon surface temperature with high accuracy. The balloon ablation catheter includes a shaft wherein a lumen is formed; a balloon wherein the lumen communicates with the inside thereof; and a high-frequency-current-applying electrode formed by coiling a high-frequency-power-supplying lead wire around the shaft while sandwiching a temperature sensor lead wire between the high-frequency-power-supplying lead wire and the shaft such that the temperature sensor lead wire is fixed along the longitudinal direction of the shaft; wherein a thermocouple thermosensor is formed at the point where the high-frequency-power-supplying lead wire and the temperature sensor lead wire constituting the high-frequency-current-applying electrode contact with each other for the first time as seen from the posterior end side in the longitudinal direction.
    • 球囊消融导管在球囊收缩时实现球囊直径的减小,并且增加了热电偶温度传感器的可靠性,气球消融导管不太可能受到排放到球囊中的加热液体的影响,并且能够用 高准确率。 气囊消融导管包括其中形成内腔的轴; 气囊,其中内腔与其内部连通; 以及高频电流施加电极,其通过在高频供电引线和轴之间夹着温度传感器引线而将围绕轴的高频供电引线卷绕而形成,使得 温度传感器引线沿轴的长度方向固定; 其特征在于,在构成所述高频电流施加电极的所述高频供电引线和所述温度传感器引线从所述后端观察时第一次形成热电偶热敏电阻 侧纵向。
    • 9. 发明申请
    • STIRRING METHOD AND ABLATION CATHETER SYSTEM WITH BALLOON
    • 具有气泡的搅拌方法和排气导管系统
    • US20120035604A1
    • 2012-02-09
    • US13260793
    • 2010-03-30
    • Motoki TakaokaAkinori MatsukumaTakahiro Yagi
    • Motoki TakaokaAkinori MatsukumaTakahiro Yagi
    • A61B18/04
    • A61B18/04A61B2018/00577A61B2018/046
    • Provided is an ablation catheter system with a balloon which can improve the effect of therapy by ablation by eliminating variation in the surface temperature of a balloon in the ablation catheter with a balloon which cauterizes the tissue. An ablation catheter system with a balloon comprising a catheter shaft, a balloon fixed to the catheter shaft, a lumen which penetrates the catheter shaft in the direction of the long axis and communicates with the interior of the balloon, a heating electrode arranged in the balloon, a heating device which applies electrical energy to the heating electrode, and a vibration imparting device which imparts a vibration to the heating liquid by periodically repeating suction and ejection of the heating liquid from the lumen. Also provided is a stirring method for stirring the heating liquid by vibration wherein the vibration is imparted in such a manner that the value obtained by dividing the volume of the heating liquid being ejected toward the balloon by single ejection by the expansion volume of the balloon and then multiplying the quotient by 100 becomes 2-9.
    • 提供了一种具有气囊的消融导管系统,其可以通过消除烧蚀导管中的气球的表面温度的变化来改善烧蚀治疗的效果,其中烧灼组织的球囊。 一种具有球囊的消融导管系统,包括导管轴,固定到导管轴的球囊,沿长轴方向穿透导管轴并与球囊内部连通的内腔,布置在球囊内的加热电极 ,向加热电极施加电能的加热装置,以及通过周期性地重复地从内腔抽吸和喷射加热液体而向加热液体施加振动的振动赋予装置。 还提供了一种用于通过振动来搅拌加热液体的搅拌方法,其中施加振动,使得通过将通过气球的膨胀体积单次喷射朝向气球喷射的加热液体的体积所得到的值和 然后将商乘以100变为2-9。