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21 条记录 (耗时 0.032 秒)

    PARTIALLY COMPLIANT BALLOON DEVICE
    12.
    发明申请
    PARTIALLY COMPLIANT BALLOON DEVICE 有权
    部分合适的气球装置

    公开(公告)号：US20110184399A1

    公开(公告)日：2011-07-28

    申请号：US12694938

    申请日：2010-01-27

    申请人： Dan WITTENBERGER

    发明人： Dan WITTENBERGER

    IPC分类号： A61B18/02

    CPC分类号： A61B18/02 ,  A61B2018/0022 ,  A61B2018/00255 ,  A61B2018/00375 ,  A61B2018/0212

    摘要： A medical device is provided, having an elongate body defining a distal portion and a proximal portion; a first expandable member disposed on the distal portion of the elongate body and defining a cooling chamber therein, the first expandable member having a first rigidity; a second expandable member disposed around the first expandable member to define an interstitial region therebetween, where the second expandable member has a second rigidity less than the first rigidity; a gel disposed within the interstitial region; a coolant flow path in fluid communication with the cooling chamber; and a cryogenic coolant source in fluid communication with the coolant flow path.

    摘要翻译： 提供了一种医疗装置，其具有限定远侧部分和近端部分的细长主体; 第一可膨胀构件，其设置在细长主体的远端部分上并且在其中限定冷却室，第一可膨胀构件具有第一刚性; 第二可膨胀构件，其围绕所述第一可膨胀构件设置以在其间限定间隙区域，其中所述第二可膨胀构件具有小于所述第一刚性的第二刚性; 布置在间隙区内的凝胶; 与冷却室流体连通的冷却剂流动路径; 以及与冷却剂流动路径流体连通的低温冷却剂源。

    METHOD AND SYSTEM FOR PREVENTING NERVE INJURY DURING A MEDICAL PROCEDURE
    13.
    发明申请
    METHOD AND SYSTEM FOR PREVENTING NERVE INJURY DURING A MEDICAL PROCEDURE 有权
    用于在医疗过程中预防神经损伤的方法和系统

    公开(公告)号：US20110098761A1

    公开(公告)日：2011-04-28

    申请号：US12604882

    申请日：2009-10-23

    申请人： Dan WITTENBERGER ,  Nicolas COULOMBE

    发明人： Dan WITTENBERGER ,  Nicolas COULOMBE

    IPC分类号： A61N1/00 ,  A61B5/00

    CPC分类号： A61B18/02 ,  A61B5/04012 ,  A61B5/0488 ,  A61B5/0492 ,  A61B5/0535 ,  A61B5/0803 ,  A61B5/0809 ,  A61B5/4035 ,  A61B5/6853 ,  A61B17/320068 ,  A61B18/1492 ,  A61B18/18 ,  A61B18/1815 ,  A61B18/20 ,  A61B2017/22038 ,  A61B2018/00214 ,  A61B2018/0022 ,  A61B2018/0212 ,  A61B2018/1861 ,  A61N1/08 ,  A61N1/36014 ,  A61N1/3702 ,  G06F19/00

    摘要： A method of treating tissue is provided, including positioning a stimulation device proximate a phrenic nerve; stimulating the phrenic nerve with the stimulation device; measuring a physiological response to the stimulation; defining a threshold physiological response value based at least in part on the measured physiological response; positioning a thermal treatment element proximate to an arrhythmogenic cardiac tissue region; applying a thermal treatment regimen to the cardiac tissue region with the medical device; measuring a physiological parameter during the thermal treatment regimen application; and conveying the measured physiological parameter to a controller, the controller comparing the measured physiological parameter to the defined physiological response value threshold, the controller adjusting the thermal treatment regimen in response to the comparison of the measured physiological parameter to the defined physiological response value threshold.

    摘要翻译： 提供一种治疗组织的方法，包括将刺激装置定位在膈神经附近; 用刺激装置刺激膈神经; 测量刺激的生理反应; 至少部分地基于所测量的生理反应定义阈值生理反应值; 将热处理元件放置在致心律失常心脏组织区域附近; 用医疗装置将热处理方案应用于心脏组织区域; 在热处理方案应用中测量生理参数; 以及将所测量的生理参数输送到控制器，所述控制器将所测量的生理参数与所述确定的生理响应值阈值进行比较，所述控制器响应于所测量的生理参数与所述生理响应值阈值的比较来调节热处理方案。

    BALLOON CATHETER WITH DEFORMABLE FLUID DELIVERY CONDUIT
    16.
    发明申请
    BALLOON CATHETER WITH DEFORMABLE FLUID DELIVERY CONDUIT 有权
    具有可变流体输送管道的气球导管

    公开(公告)号：US20120101485A1

    公开(公告)日：2012-04-26

    申请号：US12910492

    申请日：2010-10-22

    申请人： Dan WITTENBERGER

    发明人： Dan WITTENBERGER

    IPC分类号： A61B18/02

    CPC分类号： A61B18/02 ,  A61B2018/00214 ,  A61B2018/0022 ,  A61B2018/00345 ,  A61B2018/00375 ,  A61B2018/00577 ,  A61B2018/0212 ,  A61B2018/0268 ,  A61M25/0147

    摘要： A medical device, including an elongate body having a proximal portion and a distal portion; a shaft at least partially disposed within the elongate body; an expandable element at the distal portion of the elongate body; and a fluid delivery conduit defining a deflectable segment movably coupled to the shaft, the deflectable segment being transitionable from a substantially linear configuration to a substantially curvilinear configuration.

    摘要翻译： 一种医疗装置，包括具有近端部分和远端部分的细长体; 至少部分地设置在所述细长主体内的轴; 在所述细长体的远端部分处的可膨胀元件; 以及流体输送导管，其限定可移动地联接到所述轴的可偏转段，所述可偏转段可从基本线性构型转变到基本上曲线形状。

    ENDOLUMINAL ABLATION CRYOBALLOON AND METHOD
    18.
    发明申请
    ENDOLUMINAL ABLATION CRYOBALLOON AND METHOD 有权
    内膜剥离CRYOBALLOON和方法

    公开(公告)号：US20120029495A1

    公开(公告)日：2012-02-02

    申请号：US12845492

    申请日：2010-07-28

    申请人： Dan WITTENBERGER

    发明人： Dan WITTENBERGER

    IPC分类号： A61B18/02

    CPC分类号： A61B18/02 ,  A61B2018/00255 ,  A61B2018/00642 ,  A61B2018/00714 ,  A61B2018/00744 ,  A61B2018/00791 ,  A61B2018/00863 ,  A61B2018/0212 ,  A61B2090/064

    摘要： A method of ablating tissue is provided, including positioning an expandable element of a catheter in a blood vessel; inflating the expandable element with a volume of refrigerant to substantially occlude the blood vessel; measuring the volume of refrigerant used to inflate the expandable element; correlating the measured volume to an inflated dimension of the expandable element; defining at least one of a target pressure within the expandable element and a target flow rate for refrigerant delivery to the expandable element based at least in part on the inflated dimension; regulating refrigerant delivery to the expandable element to attain the at least one defined target pressure within the expandable element or defined target flow rate for fluid delivery to the expandable element; and ablating at least a portion of the blood vessel with the expandable element.

    摘要翻译： 提供一种消融组织的方法，包括将导管的可扩张元件定位在血管中; 用一定体积的制冷剂使可膨胀元件充气以基本上封闭血管; 测量用于使可膨胀元件膨胀的制冷剂的体积; 将测量的体积与可膨胀元件的膨胀尺寸相关联; 至少部分地基于所述膨胀的尺寸限定所述可膨胀元件内的目标压力中的至少一个和用于制冷剂输送到所述可膨胀元件的目标流量; 调节向所述可膨胀元件的制冷剂输送以达到所述可膨胀元件内的所述至少一个限定的目标压力或用于流体输送到所述可膨胀元件的限定的目标流速; 以及用所述可扩张元件烧蚀所述血管的至少一部分。

    VARIABLE GEOMETRY BALLOON CATHETER AND METHOD
    19.
    发明申请
    VARIABLE GEOMETRY BALLOON CATHETER AND METHOD 审中-公开
    可变几何气球导管和方法

    公开(公告)号：US20100114269A1

    公开(公告)日：2010-05-06

    申请号：US12609463

    申请日：2009-10-30

    申请人： Dan WITTENBERGER ,  Marwan ABBOUD ,  Iona Alina DEAC

    发明人： Dan WITTENBERGER ,  Marwan ABBOUD ,  Iona Alina DEAC

    IPC分类号： A61F7/12 ,  A61M25/10

    CPC分类号： A61B18/02 ,  A61B2017/00256 ,  A61B2017/00867 ,  A61B2017/22051 ,  A61B2018/0022 ,  A61B2018/0212 ,  A61B2018/0262 ,  A61M25/1002 ,  A61M29/02 ,  A61M2029/025

    摘要： A medical device is provided that may include a catheter body having proximal and distal portions, a fluid injection lumen disposed within elongate body, and a guidewire lumen disposed within the elongate body. A tip portion defining a cavity in fluid communication with the fluid injection lumen may be coupled to the distal end of the guidewire lumen, and an expandable element may be coupled to the distal portion of the catheter body and to the tip portion, such that the expandable element is in fluid communication with the fluid injection lumen. A shaping element may at least partially surround the expandable element, where the shaping element is configurable in a first geometric configuration and a second geometric configuration.

    摘要翻译： 提供了一种医疗装置，其可以包括具有近端部分和远端部分的导管主体，设置在细长主体内的流体注射腔，以及设置在细长主体内的导丝管腔。 限定与流体注射腔流体连通的空腔的尖端部分可以联接到导丝管腔的远端，并且可扩张元件可以联接到导管主体的远端部分和尖端部分，使得 可膨胀元件与流体注射内腔流体连通。 成形元件可以至少部分地围绕可膨胀元件，其中成形元件可配置为第一几何配置和第二几何配置。

    THERMOCOUPLE-CONTROLLED CATETHER COOLING SYSTEM
    20.
    发明申请
    THERMOCOUPLE-CONTROLLED CATETHER COOLING SYSTEM 有权
    热电偶控制CATETHER冷却系统

    公开(公告)号：US20090287201A1

    公开(公告)日：2009-11-19

    申请号：US12122436

    申请日：2008-05-16

    申请人： Jean-Pierre LALONDE ,  Dan WITTENBERGER ,  Marwan ABBOUD ,  Constantin Bogdan CIOBOTARU ,  Ramin SABBAGHE-KERMANI

    发明人： Jean-Pierre LALONDE ,  Dan WITTENBERGER ,  Marwan ABBOUD ,  Constantin Bogdan CIOBOTARU ,  Ramin SABBAGHE-KERMANI

    IPC分类号： A61B18/02 ,  A61F7/12 ,  A61M25/01

    CPC分类号： A61B18/02 ,  A61B2018/00023 ,  A61B2018/0022 ,  A61B2018/00797 ,  A61B2018/00821 ,  A61B2018/0212 ,  A61B2018/0262 ,  A61M25/0136

    摘要： The present invention provides a medical system, including a catheter defining an injection lumen, a chamber in fluid communication with the injection lumen, and an exhaust lumen in fluid communication with the chamber; a first temperature sensor positioned in the exhaust lumen proximal to the chamber; a second temperature sensor positioned in the chamber; and a console in electrical communication with the first and second temperature sensors, the controller modifying coolant flow through the medical device based at least in part upon a signal received from the first and second temperature sensor. The system may further include a thermally-conductive element circumscribing a substantial portion of the exhaust lumen proximal to the chamber, where the first temperature sensor is mounted to the thermally-conductive element, and the thermally-conductive element may include at least one of a braid, coil, and band.

    摘要翻译： 本发明提供了一种医疗系统，其包括限定注射腔的导管，与注射腔流体连通的腔室和与腔室流体连通的排气腔; 定位在靠近所述腔室的所述排气腔内的第一温度传感器; 位于所述室中的第二温度传感器; 以及与所述第一和第二温度传感器电连通的控制台，所述控制器至少部分地基于从所述第一和第二温度传感器接收的信号来改变通过所述医疗设备的冷却剂流动。 该系统还可以包括限定靠近腔室的排气腔的主要部分的导热元件，其中第一温度传感器安装到导热元件，并且导热元件可以包括以下中的至少一个： 辫子，线圈和乐队。