公开(公告)号：WO1994012108A1

公开(公告)日：1994-06-09

申请号：PCT/US1993008614

申请日：1993-09-17

Applicant: VALLEYLAB, INC.

Inventor： VALLEYLAB, INC. ,  BROADWIN, Alan ,  KLICEK, Michael, S. ,  KREIZMAN, Alexander, S. ,  OLICHNEY, Michael, D. ,  ROSE, Emery, S.

IPC: A61B17/32

CPC classification number: B06B1/0246 ,  A61B17/320068 ,  A61B18/1206 ,  A61B2017/00973 ,  A61B2017/320084 ,  B06B2201/76

Abstract: An ultrasonic oscillator (46) drives a tool at a set frequency. An amplitude control runs the oscillator (46) to set the vibration level. A frequency regulator joins the amplitude and the oscillator (46). A control feedback loop (49), in the frequency regulator, keeps handpiece linear dynamics. An operational transconductance amplifier (52), in the oscillator (46), governs gain of the loop (49). A circuit (55) connects to the control to retard the rate of current application over time to the amplifier (52). The circuit (55) has switching to either retard the rate or reset for start up. The amplifier (54) is a current output device with current directly proportional to the bias current and input voltage with bias as gain change for the loop (49). The circuit (55) limits the bias to the amplifier (54) to modify frequency response and output current. A capacitor delays application of the bias to the amplifier (54). Replaceable tools of various lengths or shapes positioned along an axis vibrate for surgery at the frequency and a wave length. Tools longer than one wavelength and of configurations tuned to oscillate around the frequency resonate as a function of their material, length and configuration. A flue (17) surrounds the tool and has a hollow elongate semi rigid central body (28) about an axis with a funnel (29), at one end thereof and a nozzle (30), at the other to direct annular irrigant/coolant flow therethrough. The funnel (29) and nozzle (30) are resilient. Reinforcing ridges (32), inside the nozzle (30), act to maintain concentricity between the flue (17) and nozzle tip and channel irrigant thereabout.

Abstract translation: 超声波振荡器（46）以设定的频率驱动工具。 振幅控制运行振荡器（46）以设定振动电平。 频率调节器连接幅度和振荡器（46）。 频率调节器中的控制反馈回路（49）保持手机线性动态。 在振荡器（46）中的运算跨导放大器（52）控制环路（49）的增益。 电路（55）连接到控制器以将当前施加的速率延迟到放大器（52）。 电路（55）具有切换以延迟速率或复位以启动。 放大器（54）是电流输出器件，其电流与偏置电流成正比，输入电压具有偏置作为回路（49）的增益变化。 电路（55）将偏置限制到放大器（54）以修改频率响应和输出电流。 电容器延迟将偏置施加到放大器（54）。 沿轴线定位的各种长度或形状的可更换工具以频率和波长振动进行手术。 长于一个波长的工具和被调谐以围绕频率振荡的配置作为其材料，长度和配置的函数产生共振。 烟道（17）围绕工具并且具有围绕轴线的中空细长半刚性中心体（28），其具有漏斗（29）的一端和喷嘴（30），另一端引导环形冲洗/冷却剂 流过。 漏斗（29）和喷嘴（30）是弹性的。 在喷嘴（30）内部的加强脊（32）用于保持烟道（17）和喷嘴尖端之间的同心度以及在其周围的通道冲洗。

公开(公告)号：WO1994000060A1

公开(公告)日：1994-01-06

申请号：PCT/US1993001342

申请日：1993-02-18

Applicant: VALLEYLAB, INC.

Inventor： VALLEYLAB, INC. ,  KLICEK, Michael, S.

IPC: A61B17/39

CPC classification number: A61B18/1487 ,  A61B17/00234 ,  A61B17/34 ,  A61B17/3474 ,  A61B18/1402 ,  A61M13/003

Abstract: An electrosurgical tubular trocar system (10) has a hollow tube (13) substantially longer than its diameter. The tube (13) is shaped for insertion in a direction generally along its axis through tissue of a human or animal body. Distal and proximal ends (17 and 18) on the tube (13) enter and remain outside the tissue, respectively. A tip (19) on the distal end (17) punctures tissue of a human or animal. An insulating portion (20) of high dielectric material extends along the tube (13) between the distal and proximal ends (17 and 18). An electrode (14) on the insulating portion (20) extends from the proximal end (18) to the tip (19) to transmit radio frequency energy. A tip point (19) at an acute angle to the axis lessens the initial force necessary for entry of the tube (13). The return path (16) is a conductor (23) on the insulating portion (20) for bipolar cutting across a gap (25). An alternate system may have the return path (16) as a conductive pad (15) in contact with the tissue as a monopolar circuit. The tube (13) may be in fluid communication for flow.

Abstract translation: 电外科管状套管针系统（10）具有基本上比其直径长的中空管（13）。 管（13）成形为沿着其轴线大致沿人体或动物体的组织插入。 管（13）上的远端和近端（17和18）分别进入并保留在组织外。 远端（17）上的尖端（19）刺穿人或动物的组织。 高介电材料的绝缘部分（20）沿远端和近端（17和18）之间的管（13）延伸。 绝缘部分（20）上的电极（14）从近端（18）延伸到尖端（19），以传输射频能量。 与轴成锐角的尖端（19）减小了进入管（13）所需的初始力。 返回路径（16）是绝缘部分（20）上的导体（23），用于穿过间隙（25）进行双极切割。 替代系统可以具有作为与组织接触的导电焊盘（15）的返回路径（16）作为单极电路。 管（13）可以流体连通。

公开(公告)号：WO1996039088A1

公开(公告)日：1996-12-12

申请号：PCT/IB1996000551

申请日：1996-06-03

Applicant: VALLEYLAB INC.

Inventor： VALLEYLAB INC. ,  KLICEK, Michael, S. ,  SODNICAR, Matthew, J.

IPC: A61B17/39

CPC classification number: A61B18/1206 ,  A61B2018/00642 ,  A61B2018/00666 ,  A61B2018/00684 ,  A61B2018/00726 ,  A61B2018/00761

Abstract: An electrosurgical generator (10) has an improved design for generating output waveforms using a microprocessor (15). The waveforms are generated in the form of a serial digital output from the microprocessor (15). The serial digital output is transformed into an electrosurgical RF output in an amplifier stage. The improved design also includes a monitoring circuit to continuously monitor the serial digital output by time-averaging the output, and then comparing that value with a threshold. The electrosurgical generator (10) comprises a microprocessor (15), an algorithm in the microprocessor (15) capable of toggling an output port of the microprocessor (15), an output amplifier (16), an adjustable high voltage DC power supply (17), a patient circuit including an active electrode (12) and a return electrode (13). The electrosurgical generator (10) may further comprise a mode selector (20) for selecting one of a plurality of pulse patterns in the serial digital output, and a plurality of command sequences in the algorithm, where each command sequence is designed to produce one of the plurality of patterns. There may also be a tank damp circuit (22) for reducing the amplitude of voltage spikes in the electrosurgical output, and a pulse suppression circuit. The monitoring circuit comprises a low pass filter (19) and a comparator to verify operation of the waveform generator.

Abstract translation: 电外科发生器（10）具有改进的设计，用于使用微处理器（15）产生输出波形。 波形以微处理器（15）的串行数字输出的形式产生。 串行数字输出在放大器级转换为电外科RF输出。 改进的设计还包括监控电路，通过对输出进行时间平均来连续监视串行数字输出，然后将该值与阈值进行比较。 电外科发生器（10）包括微处理器（15），微处理器（15）中能够切换微处理器（15）的输出端口的算法，输出放大器（16），可调高压直流电源（17） ），包括有源电极（12）和返回电极（13）的患者回路。 电外科发生器（10）还可以包括用于选择串行数字输出中的多个脉冲模式中的一个的模式选择器（20）和算法中的多个命令序列，其中每个命令序列被设计为产生 多种图案。 还可以存在用于减小电外科输出中的电压尖峰幅度的脉冲抑制电路（22）和脉冲抑制电路（22）。 监视电路包括一个低通滤波器（19）和一个比较器，用于验证波形发生器的工作。

公开(公告)号：WO1995017855A1

公开(公告)日：1995-07-06

申请号：PCT/IB1994000332

申请日：1994-10-26

Applicant: VALLEYLAB, INC.

Inventor： VALLEYLAB, INC. ,  KLICEK, Michael, S. ,  TRUDEL, Gregory, J.

IPC: A61B17/32

CPC classification number: A61B18/14 ,  A61B17/320068 ,  A61B18/1402 ,  A61B2017/320084 ,  A61B2217/005 ,  A61B2217/007

Abstract: An ultrasonic oscillator drives a tool at a set frequency. An amplitude control (47) runs the oscillator to set the vibration level. A frequency regulator (48) joins the amplitude and the oscillator. A handpiece supports a tranducer and a vibrating tool. A flue (17) surrounds the tool. Electrodes (42) associated with the flue (17) and/or the tool extend to be at or near the distal tip (18) of the tool and/or the flue (17) and provide bipolar electrosurgery with or without ultrasonic vibration of the tool. A method of performing ultrasonic surgery and bipolar electrosurgery has an ultrasonic handpiece with bipolar electrodes (42) associated with the tool or the flue (17).

Abstract translation: 超声波振荡器以设定的频率驱动工具。 振幅控制（47）运行振荡器以设置振动水平。 频率调节器（48）连接幅度和振荡器。 手机支持传感器和振动工具。 烟道（17）围绕工具。 与烟道（17）和/或工具相关联的电极（42）延伸到工具和/或烟道（17）的远端（18）处或附近，并提供具有或不具有超声波振动的双极电外科手术 工具。 执行超声手术和双极电外科手术的方法具有超声手机，其具有与工具或烟道（17）相关联的双极电极（42）。

公开(公告)号：WO1995009576A1

公开(公告)日：1995-04-13

申请号：PCT/IB1994000269

申请日：1994-09-09

Applicant: VALLEYLAB, INC.

Inventor： VALLEYLAB, INC. ,  KLICEK, Michael, S.

IPC: A61B17/39

CPC classification number: A61B18/1206 ,  A61B18/1233 ,  A61B18/1402 ,  A61B18/1442 ,  A61B2017/00101 ,  A61B2018/0016 ,  A61B2018/00702 ,  A61B2018/00791 ,  A61B2018/00797 ,  A61B2018/00827 ,  A61B2018/00875 ,  A61B2018/00892 ,  A61B2018/1253 ,  A61B2018/126

Abstract: In an ESV a control system responds to impedance and temperature as sensed between and at the electrodes (13) during desiccation each of such electrodes being provided separately and independently through a suitable multiplexer with a specifically controlled RF power. An instantaneous impedance monitor senses impedance variations and controls by means of specific derivative sensitive algorithm part of a feedback loop, the output power delivered through each electrode. A further temperature dependent feedback loop power control system is operative in a multiplexed mode in pair with the above impedance feedback system. Such second system uses an array of temperature sensors placed in the immediate proximity of the each tissue contacting electrode, and an appropriate derivative sensitive algorithm. Both systems are operated in a multiplex mode through a first multiplexer. A second multiplexer shifts the output power to the various electrodes independently and separately.

Abstract translation: 在ESV中，控制系统在干燥期间在电极（13）之间感测到的阻抗和温度响应，每个这样的电极通过具有特定控制的RF功率的合适的多路复用器分开且独立地提供。 瞬时阻抗监视器通过反馈回路的特定导数敏感算法部分感测阻抗变化和控制，输出功率通过每个电极传递。 进一步的温度依赖反馈回路功率控制系统以与上述阻抗反馈系统配对的多路复用模式工作。 这种第二系统使用放置在每个组织接触电极附近的温度传感器阵列和适当的导数敏感算法。 两个系统通过第一多路复用器以多路复用方式操作。 第二复用器将输出功率独立地和单独地移位到各种电极。

公开(公告)号：EP0722296B1

公开(公告)日：1998-12-02

申请号：EP94924973.4

申请日：1994-09-09

Applicant: VALLEYLAB, INC.

Inventor： KLICEK, Michael, S.

IPC: A61B17/39 ,  A61B17/38

CPC classification number: A61B18/1206 ,  A61B18/1233 ,  A61B18/1402 ,  A61B18/1442 ,  A61B2017/00101 ,  A61B2018/0016 ,  A61B2018/00702 ,  A61B2018/00791 ,  A61B2018/00797 ,  A61B2018/00827 ,  A61B2018/00875 ,  A61B2018/00892 ,  A61B2018/1253 ,  A61B2018/126

Abstract: In an ESV a control system responds to impedance and temperature as sensed between and at the electrodes (13) during desiccation each of such electrodes being provided separately and independently through a suitable multiplexer with a specifically controlled RF power. An instantaneous impedance monitor senses impedance variations and controls by means of specific derivative sensitive algorithm part of a feedback loop, the output power delivered through each electrode. A further temperature dependent feedback loop power control system is operative in a multiplexed mode in pair with the above impedance feedback system. Such second system uses an array of temperature sensors placed in the immediate proximity of the each tissue contacting electrode, and an appropriate derivative sensitive algorithm. Both systems are operated in a multiplex mode through a first multiplexer. A second multiplexer shifts the output power to the various electrodes independently and separately.

公开(公告)号：EP0633749A1

公开(公告)日：1995-01-18

申请号：EP93902903.0

申请日：1993-01-11

Applicant: VALLEYLAB, INC.

Inventor： KLICEK, Michael, S.

IPC: A61B18

CPC classification number: A61B18/1402

公开(公告)号：WO1997011648A2

公开(公告)日：1997-04-03

申请号：PCT/IB1996000618

申请日：1996-06-28

Applicant: VALLEYLAB INC.

Inventor： VALLEYLAB INC. ,  BECKER, Daniel, J. ,  KLICEK, Michael, S.

IPC: A61B17/39

CPC classification number: A61B18/1206 ,  A61B2018/00875

Abstract: A constant power control circuit (107) for an electrosurgical generator (101) and a method for maintaining the electrical power output of an electrosurgical generator (101) at a generally constant value throughout a given tissue impedance range are disclosed. The constant power control circuit (107) and the method recognize and use the unique and simple linear characteristics associated with certain electrosurgical generator (101) designs to monitor and control the electrical power output without having to calculate or monitor the actual output power. The constant power control circuit (107) includes a current sampling circuit (115), a linear conversion circuit (117), and a feedback correction circuit (119). The constant power control circuit (107) may also include protection circuitry that prevents the electrosurgical generator (101) from being over-driven during high and/or low impedance loading (121), and reduces the severity of exit sparking by providing a quick response to high impedance indications while nonetheless maintaining increased power levels throughout a preset, nominal impedance range. The constant power control circuit (107) and method may be included as an integral part of the overall electrosurgical generator's (101) circuitry, or may be embodied as a separate unit that connects to, and controls, an electrosurgical generator (101). The constant power control circuit (107) and method may be embodied through a variety of analog and/or digital circuit components or arrangements, including software running on computational and memory circuitry.

Abstract translation: 公开了一种用于电外科发生器（101）的恒定功率控制电路（107）和用于在整个给定组织阻抗范围内将电外科发生器（101）的电功率输出维持在大致恒定值的方法。 恒定功率控制电路（107）并且该方法识别和使用与某些电外科发生器（101）设计相关联的独特且简单的线性特征来监测和控制电功率输出，而不必计算或监测实际的输出功率。 恒定功率控制电路（107）包括电流采样电路（115），线性转换电路（117）和反馈校正电路（119）。 恒定功率控制电路（107）还可以包括防止电外科生成器（101）在高阻抗和/或低阻抗负载（121）期间被过驱动的保护电路，并且通过提供快速响应来降低出口火花的严重性 到高阻抗指示，同时在预设的标称阻抗范围内保持增加的功率水平。 恒定功率控制电路（107）和方法可以被包括作为整个电外科生成器（101）电路的组成部分，或者可以被实施为连接到电外科发生器（101）并且控制电外科发生器（101）的单独单元。 恒定功率控制电路（107）和方法可以通过各种模拟和/或数字电路组件或布置来实现，包括在计算和存储器电路上运行的软件。

公开(公告)号：WO1996039086A1

公开(公告)日：1996-12-12

申请号：PCT/IB1996000549

申请日：1996-06-03

Applicant: VALLEYLAB INC.

Inventor： VALLEYLAB INC. ,  BELL, Gregory, J. ,  KLICEK, Michael, S. ,  PATERSON, William, G.

IPC: A61B17/39

CPC classification number: A61B18/1206 ,  A61B2018/0016 ,  A61B2018/00666 ,  A61B2018/00702 ,  A61B2018/00791 ,  A61B2018/00827 ,  A61B2018/00869 ,  A61B2018/00875 ,  A61B2018/1253

Abstract: A power control system for an electrosurgical generator (11) will control the output power to desired levels. The power control system uses a simple closed-loop control algorithm. Sensors in the electrosurgical generator (11) will monitor changes in output current and output voltage. There may also be sensors to monitor changes in the temperature of the electrosurgical tool, mechanical strain in the electrosurgical tool, or phase shift between output voltage and output current. A microprocessor (19) in the electrosurgical generator (11) is connected to the sensors and repetitively compares the sensed values against their respective threshold values. The threshold values are computed by the microprocessor (19) based on the desired output power, or other desired tissue effects. The microprocessor (19) also has an output to control an adjustable high voltage power supply (15) in the electrosurgical generator (11). The microprocessor (19) will adjust the high voltage power supply (15) to maintain all sensed values below their respective threshold values. The threshold values are computed by the microprocessor (19) based on the desired output power, or other desired tissue effects. The threshold values may also be computed as a function of the impedance of the output load on the electrosurgical generator (11).

Abstract translation: 用于电外科发生器（11）的功率控制系统将将输出功率控制到期望的水平。 功率控制系统采用简单的闭环控制算法。 电外科发生器（11）中的传感器将监测输出电流和输出电压的变化。 还可以有传感器来监测电外科手术工具的温度变化，电外科手术工具中的机械应变或输出电压与输出电流之间的相移。 电外科发生器（11）中的微处理器（19）连接到传感器，并将感测值与它们各自的阈值重复比较。 阈值由微处理器（19）基于期望的输出功率或其他期望的组织效应计算。 微处理器（19）还具有用于控制电外科发生器（11）中的可调高压电源（15）的输出。 微处理器（19）将调节高压电源（15）以将所有感测值保持在其各自的阈值以下。 阈值由微处理器（19）基于期望的输出功率或其他期望的组织效应计算。 也可以根据电外科发生器（11）上的输出负载的阻抗来计算阈值。

公开(公告)号：WO1995009577A1

公开(公告)日：1995-04-13

申请号：PCT/IB1994000273

申请日：1994-09-09

Applicant: VALLEYLAB, INC.

Inventor： VALLEYLAB, INC. ,  KLICEK, Michael, S.

IPC: A61B17/39

CPC classification number: A61B18/1206 ,  A61B2018/00702 ,  A61B2018/00755 ,  A61B2018/00761 ,  A61B2018/00779 ,  A61B2018/00827 ,  A61B2018/00875 ,  A61B2018/00892

Abstract: An electrosurgical generator (11) control responds to tissue impedance between active and return electrodes (12 and 13) during desiccation. Active and return generator leads supply energy (25) and a user control (16) sets the level of energy (25) desired for electrosurgery. Voltage and current sensing circuits (19) respond to high frequency energy (25) in the leads to signal voltage and current in the leads. A multiplier (21) receives the signals to calculate power. A clock (23) sets units of time during which power calculation. An integrator (24) calculates the energy (25) supplied through the leads per time unit. The user control (16) sets a reference signal (26) for the energy (25) level desired. A correlation circuit (27) receives the energy (30) calculations from the integrator (24) and the reference signal (26) and provides a feedback signal (28) to indicate when the energy (25) calculation equals the user control (16) setting for altering the generator supply of energy (25) to the leads. A counter (38) assesses the number of packets of energy (40) delivered against a setting of the user control (16) and the total energy (25) delivered is a function of multiple packet sequences containing pulses wherein the time between the pulses is controlled by the user control (16). The method uses the automatic control (10) in measuring impedance during tissue desiccation and altering the output of an electrosurgical generator (11).

Abstract translation: 电外科发生器（11）控制在干燥期间响应于主动和返回电极（12和13）之间的组织阻抗。 主动和返回发电机引导供电能量（25），用户控制（16）设置电外科所需的能量水平（25）。 电压和电流检测电路（19）对引线中的高频能量（25）作出响应，以引发引线中的电压和电流。 乘法器（21）接收信号以计算功率。 时钟（23）设定功率计算的时间单位。 积分器（24）计算每个时间单位通过引线提供的能量（25）。 用户控制（16）为所需的能量（25）设定参考信号（26）。 相关电路（27）从积分器（24）和参考信号（26）接收能量（30）的计算，并提供反馈信号（28）以指示能量（25）的计算何时等于用户控制（16） 用于将发电机能量供应（25）改变为引线的设置。 计数器（38）根据用户控制（16）的设置来评估递送的能量分组的数量（40），并且传送的总能量（25）是包含脉冲的多个分组序列的函数，其中脉冲之间的时间是 由用户控制（16）控制。 该方法使用自动控制（10）在组织干燥期间测量阻抗并改变电外科发生器（11）的输出。