Electrical ablation surgical instruments
    1.
    发明申请
    Electrical ablation surgical instruments 审中-公开
    电消融手术器械

    公开(公告)号:US20090062788A1

    公开(公告)日:2009-03-05

    申请号:US11897676

    申请日:2007-08-31

    IPC分类号: A61B18/14

    摘要: A surgical instrument includes an ablation device. The ablation device includes an elongated flexible member having a proximal end and a distal end. The flexible member includes first and second lumens. A first needle electrode is configured to slideably move within the first lumen. A second needle electrode is located within the second lumen. The first and second needle electrodes are adapted to couple to an electrical waveform generator and to receive an electrical waveform sufficient to electrically ablate tissue located between the first and second needle electrodes.

    摘要翻译: 手术器械包括消融装置。 消融装置包括具有近端和远端的细长柔性构件。 柔性构件包括第一和第二腔。 第一针电极构造成在第一管腔内可滑动地移动。 第二针电极位于第二管腔内。 第一和第二针电极适于耦合到电波形发生器并且接收足以电消除位于第一和第二针状电极之间的组织的电波形。

    Electrical ablation devices and methods
    2.
    发明授权
    Electrical ablation devices and methods 有权
    电气消融装置及方法

    公开(公告)号:US09314620B2

    公开(公告)日:2016-04-19

    申请号:US13036908

    申请日:2011-02-28

    摘要: An electrical ablation device may generally comprise first and second electrodes coupled to an energy source operative to generate and deliver a first sequence of electrical pulses and a second sequence of electrical pulses to tissue having a necrotic threshold, wherein the first sequence of electrical pulses delivers a first energy dose that is less than the necrotic threshold to induce thermal heating in the tissue and the second sequence of electrical pulses delivers a second energy dose equal to or greater than the necrotic threshold to induce cell necrosis in the tissue by irreversible electroporation. The first sequence of electrical pulses may each be independently characterized by a first amplitude, a first pulse width, and a first frequency. The second sequence of electrical pulses may be characterized by a second amplitude, a second pulse width, and a second frequency.

    摘要翻译: 电消融装置通常可以包括耦合到能量源的第一和第二电极,其能够产生并递送电脉冲的第一序列和第二电脉冲序列到具有坏死阈值的组织,其中电脉冲的第一序列递送 第一能量剂量小于坏死阈值以诱导组织中的热加热,第二电脉冲序列传递等于或大于坏死阈值的第二能量剂量,以通过不可逆电穿孔诱导组织中的细胞坏死。 电脉冲的第一序列可以各自独立地以第一幅度,第一脉冲宽度和第一频率为特征。 电脉冲的第二序列可以由第二幅度,第二脉冲宽度和第二频率表征。

    Surgical instrument comprising an electrode
    4.
    发明授权
    Surgical instrument comprising an electrode 有权
    包括电极的手术器械

    公开(公告)号:US08506564B2

    公开(公告)日:2013-08-13

    申请号:US12641823

    申请日:2009-12-18

    IPC分类号: A61B18/14

    摘要: A surgical instrument can comprise two positive electrodes positioned along a first line, and two negative electrodes positioned along a second line, wherein the first line can be perpendicular to the second line. The positive electrodes can be positioned further away from a central axis than the negative electrodes in order to expand the voltage field created by the electrodes. In various embodiments, a surgical instrument can comprise a first array of electrodes positioned along a first line and a second array of electrodes positioned along a second line. In at least one embodiment, the first array of electrodes can comprise both positive and negative electrodes, and, in addition, the second array of electrodes can comprise both positive and negative electrodes.

    摘要翻译: 手术器械可以包括沿着第一线定位的两个正电极和沿着第二线定位的两个负电极,其中第一线可以垂直于第二线。 为了扩大由电极产生的电压场,正电极可以被定位成比负极更远离中心轴。 在各种实施例中,手术器械可以包括沿着第一线定位的第一电极阵列和沿着第二线定位的第二电极阵列。 在至少一个实施例中,第一电极阵列可以包括正电极和负电极,并且另外,第二电极阵列可以包括正极和负极。

    ELECTRICAL ABLATION DEVICES
    5.
    发明申请
    ELECTRICAL ABLATION DEVICES 有权
    电气设备

    公开(公告)号:US20120330306A1

    公开(公告)日:2012-12-27

    申请号:US13602742

    申请日:2012-09-04

    IPC分类号: A61B18/14

    摘要: An electrical ablation apparatus comprises first and second electrodes. Each electrode comprises a first end configured to couple an energy source and a second end configured to couple to a tissue treatment region. An energy source is coupled to the first and second electrodes. The energy source is configured to deliver a first series of electrical pulses sufficient to induce cell necrosis by irreversible electroporation and a second series of electrical pulses sufficient to induce cell necrosis by thermal heating, through at least one of the first and second electrodes. The first series of electrical pulses is characterized by a first amplitude, a first pulse length, and a first frequency. The second series of electrical pulses is characterized by a second amplitude, a second pulse length, and a second frequency.

    摘要翻译: 电切除装置包括第一和第二电极。 每个电极包括构造成耦合能量源的第一端和被配置为耦合到组织治疗区域的第二端。 能量源耦合到第一和第二电极。 能量源被配置为递送足以通过不可逆电穿孔诱导细胞坏死的第一系列电脉冲和通过热加热通过第一和第二电极中的至少一个足以诱导细胞坏死的第二系列电脉冲。 第一系列电脉冲的特征在于第一幅度,第一脉冲长度和第一频率。 第二系列电脉冲的特征在于第二幅度,第二脉冲长度和第二频率。

    ELECTRICAL ABLATION DEVICES AND METHODS
    6.
    发明申请
    ELECTRICAL ABLATION DEVICES AND METHODS 有权
    电气设备和方法

    公开(公告)号:US20120220998A1

    公开(公告)日:2012-08-30

    申请号:US13036908

    申请日:2011-02-28

    IPC分类号: A61B18/14

    摘要: An electrical ablation device may generally comprise first and second electrodes coupled to an energy source operative to generate and deliver a first sequence of electrical pulses and a second sequence of electrical pulses to tissue having a necrotic threshold, wherein the first sequence of electrical pulses delivers a first energy dose that is less than the necrotic threshold to induce thermal heating in the tissue and the second sequence of electrical pulses delivers a second energy dose equal to or greater than the necrotic threshold to induce cell necrosis in the tissue by irreversible electroporation. The first sequence of electrical pulses may each be independently characterized by a first amplitude, a first pulse width, and a first frequency. The second sequence of electrical pulses may be characterized by a second amplitude, a second pulse width, and a second frequency.

    摘要翻译: 电消融装置通常可以包括耦合到能量源的第一和第二电极,其能够产生并递送电脉冲的第一序列和第二电脉冲序列到具有坏死阈值的组织,其中电脉冲的第一序列递送 第一能量剂量小于坏死阈值以诱导组织中的热加热,第二电脉冲序列传递等于或大于坏死阈值的第二能量剂量,以通过不可逆电穿孔诱导组织中的细胞坏死。 电脉冲的第一序列可以各自独立地以第一幅度,第一脉冲宽度和第一频率为特征。 电脉冲的第二序列可以由第二幅度,第二脉冲宽度和第二频率表征。

    ELECTRICAL ABLATION DEVICES
    9.
    发明申请
    ELECTRICAL ABLATION DEVICES 审中-公开
    电气设备

    公开(公告)号:US20110098704A1

    公开(公告)日:2011-04-28

    申请号:US12607252

    申请日:2009-10-28

    IPC分类号: A61B18/14

    摘要: An electrical ablation apparatus comprises first and second electrodes. Each electrode comprises a first end configured to couple an energy source and a second end configured to couple to a tissue treatment region. An energy source is coupled to the first and second electrodes. At least one electrode is movable between a first position and a second position. A first necrotic zone having a first shape is created when the electrodes are energized in the first position and a second necrotic zone having a second shape is created when the electrodes are energized in the second position. At least one electrode may be pre-formed with a radius.

    摘要翻译: 电切除装置包括第一和第二电极。 每个电极包括构造成耦合能量源的第一端和被配置为耦合到组织治疗区域的第二端。 能量源耦合到第一和第二电极。 至少一个电极可在第一位置和第二位置之间移动。 当电极在第一位置通电时,产生具有第一形状的第一坏死区,并且当电极在第二位置通电时,产生具有第二形状的第二坏死区。 至少一个电极可以预成形为半径。

    Needle probe guide
    10.
    发明授权
    Needle probe guide 有权
    针探针指南

    公开(公告)号:US09545290B2

    公开(公告)日:2017-01-17

    申请号:US13561945

    申请日:2012-07-30

    IPC分类号: A61B90/11 A61B18/00 A61B18/14

    摘要: A device for guiding electrodes relative to a tissue treatment region. The device can comprise a body have a plurality of passages therethrough. Each passage can axially restrain an electrode positioned therein. When each electrode is axially restrained in a passage, the distal ends of the electrodes can be spaced a predetermined distance apart. Further, the electrodes can be held in a parallel or substantially parallel alignment when axially retained in the passages. The predetermined distance between the electrodes can correspond to a treatment distance in a tissue treatment region and the distal ends of the electrodes can be operably structured to conduct current therebetween when at least one of electrodes is energized by an energy source.

    摘要翻译: 用于相对于组织处理区域引导电极的装置。 该装置可以包括具有穿过其中的多个通道的主体。 每个通道可以轴向限制位于其中的电极。 当每个电极轴向地限制在通道中时,电极的远端可以间隔开预定距离。 此外,当轴向保持在通道中时,电极可以保持平行或基本上平行的对准。 电极之间的预定距离可以对应于组织治疗区域中的治疗距离,并且当电极中的至少一个被能量源激励时,电极的远端可以可操作地构造成在其间传导电流。