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11 条记录 (耗时 0.015 秒)

    GAMMA MATCHED, HELICAL DIPOLE MICROWAVE ANTENNA
    1.
    发明授权
    GAMMA MATCHED, HELICAL DIPOLE MICROWAVE ANTENNA 失效
    GAMMA调整微波WENDELDIPOLANTENNE

    公开(公告)号：EP0634946B1

    公开(公告)日：1999-07-28

    申请号：EP93907080.1

    申请日：1993-03-01

    申请人： UROLOGIX, INC.

    发明人： RUDIE, Eric, N.

    IPC分类号： A61N1/30 ,  A61N5/04

    CPC分类号： A61N5/02 ,  A61B18/18 ,  A61B18/1815 ,  A61B2018/00523

    摘要： A catheter shaft (32) carries a coaxial cable (76) which has an inner conductor (120), an inner insulator (122), an outer conductor (124), and an outer insulator (126). The outer conductor (124) is connected to a midpoint (146) of a helical wire coil (140) at a terminal end of the coaxial cable (76) so as to form a dipole antenna (74) having a proximal helical element (144) and a distal helical element (142). A series capacitance (128) is connected between the inner conductor (120) of the coaxial cable (76) and a point (148) on the proximal helical element (144) where a resistive component of the antenna's impedance matches a characteristic impedance of the coaxial cable (76).

    Thermal therapy catheter
    4.
    发明授权
    Thermal therapy catheter 有权
    导管热疗

    公开(公告)号：EP1173108B1

    公开(公告)日：2011-07-20

    申请号：EP00918317.9

    申请日：2000-03-23

    申请人： UROLOGIX, INC.

    发明人： RUDIE, Eric, N. ,  STOCKMOE, Scott ,  HJELLE, Aaron ,  EBNER, Bruce, W. ,  CRABB, Joel

    IPC分类号： A61B18/18

    CPC分类号： A61B18/1815 ,  A61B18/18 ,  A61B2017/00057 ,  A61B2017/00084 ,  A61B2017/00274 ,  A61B2017/22055 ,  A61B2018/00023 ,  A61B2018/00547

    摘要： A thermal therapy catheter (28) includes a catheter shaft (32) having an outer surface (52) that is insertable into a body lumen. The catheter shaft (32) carries an energy-emitting element (74). A multi-lobe balloon (71) is positioned around the outer surface (52) of the catheter shaft (32) adjacent to the energy-emitting element (74), with opposing ends of the multi-lobe balloon (71) being sealingly connected to the catheter shaft (32) to form a chamber between the multi-lobe balloon (71) and the outer surface (52) of the catheter shaft (32). A fluid is circulated between the outer surface (52) of the catheter shaft (32) and the multi-lobe balloon (71) in a defined fluid flow path to firmly contact the wall of the body lumen and thereby conductively cool the body lumen tissue while thermally treating targeted tissue at a depth from the body lumen wall.

    METHOD OF CONTROLLING THERMAL THERAPY
    5.
    发明公开
    METHOD OF CONTROLLING THERMAL THERAPY 有权
    系统，以控制一种热疗法

    公开(公告)号：EP1148837A1

    公开(公告)日：2001-10-31

    申请号：EP99965224.1

    申请日：1999-12-10

    申请人： UROLOGIX, INC.

    发明人： RUDIE, Eric, N. ,  FLACHMAN, Jonathan, L. ,  BURGETT, James, E. ,  LARSON, Thayne, R.

    IPC分类号： A61F2/00

    CPC分类号： A61B18/1815 ,  A61B2017/00084 ,  A61B2017/00274 ,  A61B2018/00023 ,  A61B2018/00547

    摘要： A thermal therapy method includes inserting a microwave antenna containing applicator (27) into a body cavity such as a urethra (10) adjacent a targeted tissue region such as a prostate (14), energizing the microwave antenna (30), circulating coolant between the microwave antenna, and a wall of the body cavity. The therapy is controlled by decreasing a temperature of the coolant, and continually adjusting coolant temperature based on other parameters. The applicator is maintained at a predetermined temperature set point by adjusting a power level provided to the microwave antenna. In one embodiment involving treatment of the prostate, rectal temperature is monitored, and upon sensing a rectal temperature that exceeds a predetermined threshold, the temperature of the coolant is increased to force a reduction in power provided to the microwave antenna to maintain the applicator at the predetermined temperature set point.

    THERMAL THERAPY CATHETER
    8.
    发明公开
    THERMAL THERAPY CATHETER 有权
    导管热疗

    公开(公告)号：EP1173108A1

    公开(公告)日：2002-01-23

    申请号：EP00918317.9

    申请日：2000-03-23

    申请人： UROLOGIX, INC.

    发明人： RUDIE, Eric, N. ,  STOCKMOE, Scott ,  HJELLE, Aaron ,  EBNER, Bruce, W. ,  CRABB, Joel

    IPC分类号： A61F2/00 ,  A61F7/00

    CPC分类号： A61B18/1815 ,  A61B18/18 ,  A61B2017/00057 ,  A61B2017/00084 ,  A61B2017/00274 ,  A61B2017/22055 ,  A61B2018/00023 ,  A61B2018/00547

    摘要： A thermal therapy catheter (28) includes a catheter shaft (32) having an outer surface (52) that is insertable into a body lumen. The catheter shaft (32) carries an energy-emitting element (74). A multi-lobe balloon (71) is positioned around the outer surface (52) of the catheter shaft (32) adjacent to the energy-emitting element (74), with opposing ends of the multi-lobe balloon (71) being sealingly connected to the catheter shaft (32) to form a chamber between the multi-lobe balloon (71) and the outer surface (52) of the catheter shaft (32). A fluid is circulated between the outer surface (52) of the catheter shaft (32) and the multi-lobe balloon (71) in a defined fluid flow path to firmly contact the wall of the body lumen and thereby conductively cool the body lumen tissue while thermally treating targeted tissue at a depth from the body lumen wall.

    AXIAL PREFERENTIAL THERMAL THERAPY
    9.
    发明公开
    AXIAL PREFERENTIAL THERMAL THERAPY 失效
    轴向优先热疗法

    公开(公告)号：EP0904030A1

    公开(公告)日：1999-03-31

    申请号：EP97922644.0

    申请日：1997-05-02

    申请人： UROLOGIX, INC.

    发明人： McGRATH, Jonathan, R. ,  RUDIE, Eric, N. ,  DANN, Mitchell

    IPC分类号： A61B18 ,  A61B17

    CPC分类号： A61B18/1815 ,  A61B18/18 ,  A61B2017/00101 ,  A61B2017/00274 ,  A61B2018/00023 ,  A61B2018/00547 ,  A61B2018/1861

    摘要： A device (28) for prostate treatment is inserted into a prostatic portion (10A) of an urethra (10) and connected to an energy source (37). Energy is delivered to the prostate (14) from the device (28). The amount of energy emitted to prostatic tissue adjacent to a bladder (12) is greater than that emitted to prostatic tissue distant from the bladder (12).

    摘要翻译： 将用于前列腺治疗的装置（28）插入尿道（10）的前列腺部分（10A）中并连接到能量源（37）。 能量从装置（28）输送到前列腺（14）。 发射到邻近膀胱（12）的前列腺组织的能量大于发射到远离膀胱（12）的前列腺组织发射的能量。