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公开(公告)号：US20110238056A1
公开(公告)日：2011-09-29
申请号：US12907646
申请日：2010-10-19
申请人： Tim Koss , Miriam H. Taimisto , Roseanne Varner
发明人： Tim Koss , Miriam H. Taimisto , Roseanne Varner
IPC分类号： A61B18/18
CPC分类号： A61B18/1233 , A61B18/1442 , A61B2017/00026 , A61B2018/0063 , A61B2018/00642 , A61B2018/00678 , A61B2018/00702 , A61B2018/00755 , A61B2018/00875 , A61B2018/00886
摘要： A method of controlling electrosurgical power delivery based on a comparison of sensed tissue impedance to various impedance threshold values is provided. Energy is delivered to tissue in a sealing cycle as a series of pulses. An initial pulse has a profile with a preset energy starting value that increases at a ramping rate to a preset end value. Sensed impedance data are monitored throughout each pulse and compared to each of an impedance threshold value for RF setpoint, an impedance threshold value for cumulative time, and an impedance threshold value for energy cutback. Based on sensed impedance during a pulse, the profile of a subsequent pulse can be modified. In the event of a high impedance event that reflects low tissue presence, energy may be cutback. A sealing cycle is stopped when a cumulative amount of time with an impedance value over the impedance cumulative time threshold value reaches a sealing cycle duration limit.
摘要翻译： 提供了一种基于感测到的组织阻抗与各种阻抗阈值的比较来控制电外科输电的方法。 能量作为一系列脉冲在密封循环中输送到组织。 初始脉冲具有预设能量起始值的轮廓，其以斜坡率增加到预设的最终值。 在每个脉冲中监测感测的阻抗数据，并与RF设定点的阻抗阈值，累积时间的阻抗阈值和能量限制的阻抗阈值进行比较。 基于脉冲期间的感测阻抗，可以修改后续脉冲的轮廓。 在反映低组织存在的高阻抗事件的情况下，能量可以被削减。 当阻抗值超过阻抗累积时间阈值的累积时间达到密封循环持续时间限制时，停止密封循环。
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公开(公告)号：US20130116678A1
公开(公告)日：2013-05-09
申请号：US13637533
申请日：2011-03-25
申请人： Tim Koss , Miriam H. Taimisto , Roseanne Varner
发明人： Tim Koss , Miriam H. Taimisto , Roseanne Varner
IPC分类号： A61B18/18
CPC分类号： A61B18/18 , A61B18/1206 , A61B18/1445 , A61B2018/00589 , A61B2018/00595 , A61B2018/0063 , A61B2018/00642 , A61B2018/00678 , A61B2018/00702 , A61B2018/00875
摘要： A method of controlling electrosurgical power delivery is based on a comparison of sensed tissue impedance to various impedance threshold values. Energy is delivered to tissue in a sealing cycle as a series of pulses. A pulse has a profile with a preset energy starting value that increases at a ramping rate to a preset end value. Sensed impedance data are monitored throughout each pulse and compared to each of an impedance threshold value for RF setpoint, an impedance threshold value for cumulative time, and an impedance threshold value for energy cutback. Based on sensed impedance during a pulse, the profile of a subsequent pulse can be modified. In the event of a high impedance event that reflects low tissue presence, energy may be cutback. A sealing cycle is stopped when a cumulative amount of time with an impedance value over the impedance cumulative time threshold value reaches a limit.
摘要翻译： 控制电外科功率输送的方法是基于感测的组织阻抗与各种阻抗阈值的比较。 能量作为一系列脉冲在密封循环中输送到组织。 脉冲具有预设的能量起始值的轮廓，其以升高速率增加到预设的最终值。 在每个脉冲中监测感测的阻抗数据，并与RF设定点的阻抗阈值，累积时间的阻抗阈值和能量限制的阻抗阈值进行比较。 基于脉冲期间的感测阻抗，可以修改后续脉冲的轮廓。 在反映低组织存在的高阻抗事件的情况下，能量可以被削减。 当阻抗值超过阻抗累积时间阈值的累积时间达到极限时，停止密封循环。
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公开(公告)号：US08419727B2
公开(公告)日：2013-04-16
申请号：US12748229
申请日：2010-03-26
申请人： Tim Koss , Miriam H. Taimisto , Roseanne Varner
发明人： Tim Koss , Miriam H. Taimisto , Roseanne Varner
IPC分类号： A61B18/14
CPC分类号： A61B18/18 , A61B18/1206 , A61B18/1445 , A61B2018/00589 , A61B2018/00595 , A61B2018/0063 , A61B2018/00642 , A61B2018/00678 , A61B2018/00702 , A61B2018/00875
摘要： An adaptive algorithm monitors the rate of tissue impedance change during an electrosurgical procedure. Impedance levels are examined to determine an impedance ramp and/or slope rate, which indicates the rate at which a target tissue is undergoing a phase or state change. The level of electrosurgical energy applied to the target tissue is adjusted in real time. Energy is applied to the target tissue at levels that allow tissue phase or state change to occur in an optimum fashion. Undesired results such as thermal damage and defective sealing are mitigated. Another embodiment determines impedance achieved within a specific interval and adjusts the electrosurgical energy applied to the tissue after a threshold impedance has been maintained or exceeded for a predetermined interval. A further aspect of the invention provides mitigation during processing for partial tissue coverage of device electrodes or thin tissue.
摘要翻译： 自适应算法监测电外科手术过程中组织阻抗变化的速率。 检查阻抗水平以确定阻抗斜坡和/或斜率，其指示目标组织经历相位或状态改变的速率。 实时调整施加于目标组织的电外科能量水平。 以允许组织相或状态改变以最佳方式发生的水平将能量施加到目标组织。 不良的结果如热损伤和密封缺陷得到缓解。 另一个实施例确定在特定间隔内实现的阻抗，并且在阈值阻抗已经被维持或超过预定间隔之后调整施加到组织的电外科能量。 本发明的另一方面在处理装置电极或薄组织的部分组织覆盖的过程中提供了缓解。
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公开(公告)号：US20110238062A1
公开(公告)日：2011-09-29
申请号：US12748229
申请日：2010-03-26
申请人： Tim KOSS , Miriam H. Taimisto , Roseanne Varner
发明人： Tim KOSS , Miriam H. Taimisto , Roseanne Varner
IPC分类号： A61B18/12
CPC分类号： A61B18/18 , A61B18/1206 , A61B18/1445 , A61B2018/00589 , A61B2018/00595 , A61B2018/0063 , A61B2018/00642 , A61B2018/00678 , A61B2018/00702 , A61B2018/00875
摘要： An adaptive algorithm monitors, inter alia, the rate of tissue impedance change during an electrosurgical procedure. Impedance levels achieved within a specific timeframe are examined to determine an impedance ramp and/or slope rate, which indicates the rate at which a target tissue is undergoing a phase or state change and, thus, indicates a desired rate of tissue processing. The level of electrosurgical energy applied to the target tissue is adjusted in real time in accordance with such rate of impedance change and/or by predetermined values. Energy is thus applied to the target tissue at levels that allow tissue phase or state change to occur in an optimum fashion, for example allowing moisture to escape from the tissue slowly, and thus avoid thermal damage. As a result, such undesired results as thermal damage and defective sealing are mitigated. Another embodiment determines impedance achieved within a specific interval and adjusts the electrosurgical energy applied to the tissue after a threshold impedance has been maintained or exceeded for a predetermined interval. A further aspect of the invention provides mitigation during processing for partial tissue coverage of device electrodes and/or for thin tissue.
摘要翻译： 自适应算法特别地监测电外科程序期间组织阻抗变化的速率。 检查在特定时间范围内实现的阻抗水平以确定阻抗斜坡和/或斜率，其指示目标组织经历相位或状态改变的速率，并且因此指示期望的组织处理速率。 根据阻抗变化率和/或预定值实时调整施加于目标组织的电外科能量水平。 因此能量以允许组织相或状态改变以最佳方式发生的水平施加到目标组织，例如允许水分缓慢地从组织中逸出，从而避免热损伤。 结果，减轻了热损伤和缺陷密封的不良结果。 另一个实施例确定在特定间隔内实现的阻抗，并且在阈值阻抗已经被维持或超过预定间隔之后调整施加到组织的电外科能量。 本发明的另一方面提供了在用于器件电极和/或薄组织的部分组织覆盖的处理期间的缓解。
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公开(公告)号：US09277962B2
公开(公告)日：2016-03-08
申请号：US13637533
申请日：2011-03-25
申请人： Tim Koss , Miriam H. Taimisto , Roseanne Varner
发明人： Tim Koss , Miriam H. Taimisto , Roseanne Varner
CPC分类号： A61B18/18 , A61B18/1206 , A61B18/1445 , A61B2018/00589 , A61B2018/00595 , A61B2018/0063 , A61B2018/00642 , A61B2018/00678 , A61B2018/00702 , A61B2018/00875
摘要： A method of controlling electrosurgical power delivery is based on a comparison of sensed tissue impedance to various impedance threshold values. Energy is delivered to tissue in a sealing cycle as a series of pulses. A pulse has a profile with a preset energy starting value that increases at a ramping rate to a preset end value. Sensed impedance data are monitored throughout each pulse and compared to each of an impedance threshold value for RF setpoint, an impedance threshold value for cumulative time, and an impedance threshold value for energy cutback. Based on sensed impedance during a pulse, the profile of a subsequent pulse can be modified. In the event of a high impedance event that reflects low tissue presence, energy may be cutback. A sealing cycle is stopped when a cumulative amount of time with an impedance value over the impedance cumulative time threshold value reaches a limit.
摘要翻译： 控制电外科功率输送的方法是基于感测的组织阻抗与各种阻抗阈值的比较。 能量作为一系列脉冲在密封循环中输送到组织。 脉冲具有预设的能量起始值的轮廓，其以升高速率增加到预设的最终值。 在每个脉冲中监测感测的阻抗数据，并与RF设定点的阻抗阈值，累积时间的阻抗阈值和能量限制的阻抗阈值进行比较。 基于脉冲期间的感测阻抗，可以修改后续脉冲的轮廓。 在反映低组织存在的高阻抗事件的情况下，能量可以被削减。 当阻抗值超过阻抗累积时间阈值的累积时间达到极限时，停止密封循环。
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公开(公告)号：US08827992B2
公开(公告)日：2014-09-09
申请号：US12907646
申请日：2010-10-19
申请人： Tim Koss , Miriam H. Taimisto , Roseanne Varner
发明人： Tim Koss , Miriam H. Taimisto , Roseanne Varner
CPC分类号： A61B18/1233 , A61B18/1442 , A61B2017/00026 , A61B2018/0063 , A61B2018/00642 , A61B2018/00678 , A61B2018/00702 , A61B2018/00755 , A61B2018/00875 , A61B2018/00886
摘要： A method of controlling electrosurgical power delivery based on a comparison of sensed tissue impedance to various impedance threshold values is provided. Energy is delivered to tissue in a sealing cycle as a series of pulses. An initial pulse has a profile with a preset energy starting value that increases at a ramping rate to a preset end value. Sensed impedance data are monitored throughout each pulse and compared to each of an impedance threshold value for RF setpoint, an impedance threshold value for cumulative time, and an impedance threshold value for energy cutback. Based on sensed impedance during a pulse, the profile of a subsequent pulse can be modified. In the event of a high impedance event that reflects low tissue presence, energy may be cutback. A sealing cycle is stopped when a cumulative amount of time with an impedance value over the impedance cumulative time threshold value reaches a sealing cycle duration limit.
摘要翻译： 提供了一种基于感测到的组织阻抗与各种阻抗阈值的比较来控制电外科输电的方法。 能量作为一系列脉冲在密封循环中输送到组织。 初始脉冲具有预设能量起始值的轮廓，其以斜坡率增加到预设的最终值。 在每个脉冲中监测感测的阻抗数据，并与RF设定点的阻抗阈值，累积时间的阻抗阈值和能量限制的阻抗阈值进行比较。 基于脉冲期间的感测阻抗，可以修改后续脉冲的轮廓。 在反映低组织存在的高阻抗事件的情况下，能量可以被削减。 当阻抗值超过阻抗累积时间阈值的累积时间达到密封循环持续时间限制时，停止密封循环。
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