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    • 33. 发明授权
    • Control system and process for application of energy to airway walls and other mediums
    • 控制系统和能量应用于气道壁和其他介质的过程
    • US07854734B2
    • 2010-12-21
    • US11458074
    • 2006-07-17
    • Michael BiggsRoger A. SternChristopher J. Danek
    • Michael BiggsRoger A. SternChristopher J. Danek
    • A61B18/14A61B18/10
    • A61N1/06A61B18/14A61B2018/00541A61N1/40
    • The present invention includes a system for delivering energy to an airway wall of a lung comprising an energy delivering apparatus and a PID controller having one or more variable gain factors which are rest after energy deliver has begun. The energy delivering apparatus may include a flexible elongated member and a distal expandable basket having at least one electrode for transferring energy to the airway wall and at least one temperature sensor for measuring temperature. The PID controller determines a new power set point base on an error between a preset temperature and the measured temperature. The algorithm can be Pi+1=Pi+G(αei+βei−1+γei−2) where α, β and γ are preset values and α is from 1 to 2; β is from −1 to −2; and γ is from −0.5 to 0-5. In another variation, the controller is configured to shut down if various measured parameters are exceeded such as, for example, energy, impedance, temperature, temperature differences, activation time and combinations thereof. Methods for treating a target medium using a PID algorithm are also provided.
    • 本发明包括一种用于向肺气道壁输送能量的系统,包括能量输送装置和具有一个或多个可变增益因子的PID控制器,所述可变增益因子在能量传递开始之后休息。 能量输送装置可以包括柔性细长构件和远端可膨胀篮,其具有用于将能量传递到气道壁的至少一个电极和用于测量温度的至少一个温度传感器。 PID控制器根据预设温度和测量温度之间的误差确定新的功率设定点。 该算法可以是Pi + 1 = Pi + G(αei+&bgr; ei-1 +γei-2)其中α,&bgr; γ为预设值,α为1〜2; &bgr 从-1到-2; γ为-0.5〜0-5。 在另一变型中,控制器被配置为如果超过各种测量参数,例如能量,阻抗,温度,温差,激活时间及其组合,则关闭。 还提供了使用PID算法处理目标介质的方法。
    • 34. 发明申请
    • System and process for break detection in porous elements for screening or filtering
    • 用于筛选或过滤的多孔元件中的断裂检测的系统和过程
    • US20070101802A1
    • 2007-05-10
    • US11270050
    • 2005-11-08
    • Michael Biggs
    • Michael Biggs
    • G01N15/08
    • G01N15/08G01N9/24G01N22/02G01N2015/084
    • A method of detecting breaks in a porous element in a material separator is disclosed. A shielding is created in the material separator to form a barrier to RF energy. The shielding is formed with a path through the barrier capable of allowing RF energy and material to flow therethrough. The electrically conductive porous element is positioned fully across the path. An RF signal is transmitted on one side of the porous element, and signal levels of the RF signal are detected on the other side of the porous element, such that the detected RF signal crosses the porous element. A baseline signal strength indicator is established from the detected signal levels using an unbroken porous element. An operative signal strength indicator is generated from the detected signal levels. Breaks in the porous element are detected by comparing the operative signal strength indicator against the baseline signal strength indicator.
    • 公开了一种检测材料分离器中多孔元件断裂的方法。 在材料分离器中产生屏蔽以形成对RF能量的屏障。 屏蔽形成有通过阻挡物的路径,其能够使RF能量和材料流过其中。 导电多孔元件完全穿过路径。 RF信号在多孔元件的一侧上传输,并且在多孔元件的另一侧检测RF信号的信号电平,使得检测到的RF信号与多孔元件交叉。 使用不间断的多孔元件从检测到的信号电平建立基线信号强度指示符。 从检测到的信号电平产生操作信号强度指示符。 通过将操作信号强度指示符与基线信号强度指示器进行比较来检测多孔元件中的断裂。
    • 35. 发明授权
    • Control system and process for application of energy to airway walls and other mediums
    • 控制系统和能量应用于气道壁和其他介质的过程
    • US07104987B2
    • 2006-09-12
    • US10414411
    • 2003-04-14
    • Michael BiggsRoger A. SternChristopher James Danek
    • Michael BiggsRoger A. SternChristopher James Danek
    • A61B18/18
    • A61N1/06A61B18/14A61B2018/00541A61N1/40
    • The present invention includes a system for delivering energy to an airway wall of a lung comprising an energy delivering apparatus and a PID controller having one or more variable gain factors which are rest after energy deliver has begun. The energy delivering apparatus may include a flexible elongated member and a distal expandable basket having at least one electrode for transferring energy to the airway wall and at least one temperature sensor for measuring temperature. The PID controller determines a new power set point base on an error between a preset temperature and the measured temperature. The algorithm can be Pi+1=Pi+G(αei+βei−1+γei−2) where α, β and γ are preset values and α is from 1 to 2; βis from −1 to −2; and γ is from −0.5 to 0−5. In another variation, the controller is configured to shut down if various measured parameters are exceeded such as, for example, energy, impedance, temperature, temperature differences, activation time and combinations thereof. Methods for treating a target medium using a PID algorithm are also provided.
    • 本发明包括一种用于向肺气道壁输送能量的系统,包括能量输送装置和具有一个或多个可变增益因子的PID控制器,所述可变增益因子在能量传递开始之后休息。 能量输送装置可以包括柔性细长构件和远端可膨胀篮,其具有用于将能量传递到气道壁的至少一个电极和用于测量温度的至少一个温度传感器。 PID控制器根据预设温度和测量温度之间的误差确定新的功率设定点。 该算法可以是P + 1 + 1 + 1 + 1 + 1 + 其中α,β和γ是预设值,α是1至2; 贝塔从-1到-2; 而γ为-0.5至0-5。 在另一变型中,控制器被配置为如果超过各种测量参数,例如能量,阻抗,温度,温差,激活时间及其组合,则关闭。 还提供了使用PID算法处理目标介质的方法。
    • 36. 发明授权
    • Control system and process for application of energy to airway walls and other mediums
    • 控制系统和能量应用于气道壁和其他介质的过程
    • US08888769B2
    • 2014-11-18
    • US12944238
    • 2010-11-11
    • Michael BiggsRoger A. SternChristopher J. Danek
    • Michael BiggsRoger A. SternChristopher J. Danek
    • A61B18/10A61N1/06A61N1/40A61B18/00
    • A61N1/06A61B18/14A61B2018/00541A61N1/40
    • The present invention includes a system for delivering energy to an airway wall of a lung comprising an energy delivering apparatus and a PID controller having one or more variable gain factors which are rest after energy deliver has begun. The energy delivering apparatus may include a flexible elongated member and a distal expandable basket having at least one electrode for transferring energy to the airway wall and at least one temperature sensor for measuring temperature. The PID controller determines a new power set point base on an error between a preset temperature and the measured temperature. The algorithm can be Pi+1=Pi+G(αei+βei−1+γei−2) where α, β and γ are preset values and α is from 1 to 2; β is from −1 to −2; and γ is from −0.5 to 0.5. In another variation, the controller is configured to shut down if various measured parameters are exceeded such as, for example, energy, impedance, temperature, temperature differences, activation time and combinations thereof. Methods for treating a target medium using a PID algorithm are also provided.
    • 本发明包括一种用于向肺气道壁输送能量的系统,包括能量输送装置和具有一个或多个可变增益因子的PID控制器,所述可变增益因子在能量传递开始之后休息。 能量输送装置可以包括柔性细长构件和远端可膨胀篮,其具有用于将能量传递到气道壁的至少一个电极和用于测量温度的至少一个温度传感器。 PID控制器根据预设温度和测量温度之间的误差确定新的功率设定点。 该算法可以是Pi + 1 = Pi + G(αei+&bgr; ei-1 +γei-2)其中α,&bgr; γ为预设值,α为1〜2; &bgr 从-1到-2; γ为-0.5〜0.5。 在另一变型中,控制器被配置为如果超过各种测量参数,例如能量,阻抗,温度,温差,激活时间及其组合,则关闭。 还提供了使用PID算法处理目标介质的方法。