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公开(公告)号:US20130131448A1
公开(公告)日:2013-05-23
申请号:US13742718
申请日:2013-01-16
申请人: Vahid SAADAT , Edmund TAM , Chris A. ROTHE , David MILLER , Ruey-Feng PEH
发明人: Vahid SAADAT , Edmund TAM , Chris A. ROTHE , David MILLER , Ruey-Feng PEH
IPC分类号: A61B1/00 , A61B1/12 , A61B1/018 , A61B1/313 , A61B5/00 , A61B17/29 , A61B1/32 , A61B18/18 , A61B1/05 , A61B18/00
CPC分类号: A61B1/00089 , A61B1/0008 , A61B1/00147 , A61B1/00165 , A61B1/015 , A61B1/018 , A61B1/05 , A61B1/051 , A61B1/12 , A61B1/3137 , A61B1/32 , A61B5/6851 , A61B6/503 , A61B17/29 , A61B18/00 , A61B18/18
摘要: Flow reduction hood systems are described which facilitate the visualization of tissue regions through a clear fluid. Such a system may include an imaging hood having one or more layers covering the distal opening and defines one or more apertures which control the infusion and controlled retention of the clearing fluid into the hood. In this manner, the amount of clearing fluid may be limited and the clarity of the imaging of the underlying tissue through the fluid within the hood may be maintained for relatively longer periods of time by inhibiting, delaying, or preventing the infusion of surrounding blood into the viewing field. The aperture size may be controlled to decrease or increase through selective inflation of the membrane or other mechanisms.
摘要翻译: 描述了减少排气罩系统,其通过透明流体促进组织区域的可视化。 这样的系统可以包括具有覆盖远端开口的一层或多层的成像罩,并且限定一个或多个孔,其控制输液并将清除流体控制在罩中。 以这种方式,可以限制清除液体的量,并且可以通过抑制,延迟或防止将周围血液输注到相对更长的时间段内,使通过罩内的流体的潜在组织的成像清晰度 视野。 可以通过膜或其它机构的选择性膨胀来控制孔径尺寸以减小或增加。
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公开(公告)号:US20090030412A1
公开(公告)日:2009-01-29
申请号:US12118439
申请日:2008-05-09
申请人: N. Parker WILLIS , Zachary J. MALCHANO , Chris A. ROTHE , Vahid SAADAT , Ruey-Feng PEH , David MILLER , Edmund TAM
发明人: N. Parker WILLIS , Zachary J. MALCHANO , Chris A. ROTHE , Vahid SAADAT , Ruey-Feng PEH , David MILLER , Edmund TAM
CPC分类号: A61B18/1492 , A61B1/00089 , A61B1/012 , A61B2017/00106 , A61B2018/00214 , A61B2018/00577 , A61B2018/00642 , A61B2018/00809 , A61B2018/00839 , A61B2018/1472 , A61B2218/002
摘要: Visual electrode ablation systems are described herein which include a deployment catheter and an attached imaging hood deployable into an expanded configuration. In use, the imaging hood is placed against or adjacent to a region of tissue to be imaged in a body lumen that is normally filled with an opaque bodily fluid such as blood. A translucent or transparent fluid, such as saline, can be pumped into the imaging hood until the fluid displaces any blood, thereby leaving a clear region of tissue to be imaged via an imaging element in the deployment catheter. An electric current may be passed through the fluid such that it passes directly to the tissue region being imaged and the electrical energy is conducted through the fluid without the need for a separate ablation probe or instrument to ablate the tissue being viewed.
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公开(公告)号:US20080275300A1
公开(公告)日:2008-11-06
申请号:US12108812
申请日:2008-04-24
申请人: Chris A. ROTHE , David MILLER , Vahid SAADAT , Ruey-Feng PEH , Edmund TAM
发明人: Chris A. ROTHE , David MILLER , Vahid SAADAT , Ruey-Feng PEH , Edmund TAM
IPC分类号: A61B1/008
CPC分类号: A61B1/01 , A61B1/00006 , A61B1/0008 , A61B1/00082 , A61B1/00085 , A61B1/00089 , A61B1/00096 , A61B1/00154 , A61B1/0051 , A61B1/0057 , A61B1/008 , A61B1/015 , A61B1/018 , A61B1/042 , A61B1/05 , A61B1/06 , A61B5/02007 , A61B18/1492 , A61B2018/00577 , A61M25/0138 , A61M25/0147 , A61M2025/0161
摘要: Complex shape steerable tissue visualization and manipulation catheters and their methods of use of disclosed herein. The deployment catheter may be articulated utilizing various steering mechanisms to adjust a position of a visualization hood or membrane through which underlying tissue may be visualized.
摘要翻译: 复合形状可操纵的组织可视化和操作导管及其本文公开的使用方法。 可以使用各种转向机构来铰接展开导管,以调整可视化罩或膜的位置,通过该位置可以将潜在的组织可视化。
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公开(公告)号:US20110306833A1
公开(公告)日:2011-12-15
申请号:US13216683
申请日:2011-08-24
申请人: Vahid SAADAT , Edmund TAM , Chris A. ROTHE , David MILLER , Ruey-Feng PEH
发明人: Vahid SAADAT , Edmund TAM , Chris A. ROTHE , David MILLER , Ruey-Feng PEH
IPC分类号: A61B1/04
CPC分类号: A61B1/00089 , A61B1/0008 , A61B1/00147 , A61B1/00165 , A61B1/015 , A61B1/018 , A61B1/05 , A61B1/051 , A61B1/12 , A61B1/3137 , A61B1/32 , A61B5/6851 , A61B6/503 , A61B17/29 , A61B18/00 , A61B18/18
摘要: Flow reduction hood systems are described which facilitate the visualization of tissue regions through a clear fluid. Such a system may include an imaging hood having one or more layers covering the distal opening and defines one or more apertures which control the infusion and controlled retention of the clearing fluid into the hood. In this manner, the amount of clearing fluid may be limited and the clarity of the imaging of the underlying tissue through the fluid within the hood may be maintained for relatively longer periods of time by inhibiting, delaying, or preventing the infusion of surrounding blood into the viewing field. The aperture size may be controlled to decrease or increase through selective inflation of the membrane or other mechanisms.
摘要翻译: 描述了减少排气罩系统,其通过透明流体促进组织区域的可视化。 这样的系统可以包括具有覆盖远端开口的一层或多层的成像罩,并且限定一个或多个孔,其控制输液并将清除流体控制在罩中。 以这种方式,可以限制清除液体的量,并且可以通过抑制,延迟或防止将周围血液输注到相对更长的时间段内,使通过罩内的流体的潜在组织的成像清晰度 视野。 可以通过膜或其它机构的选择性膨胀来控制孔径尺寸以减小或增加。
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公开(公告)号:US20100010311A1
公开(公告)日:2010-01-14
申请号:US12499681
申请日:2009-07-08
申请人: David MILLER , Vahid SAADAT , Zachary J. MALCHANO , Ruey-Feng PEH , Aseem K. THAKUR , Chris A. ROTHE , Edmund TAM
发明人: David MILLER , Vahid SAADAT , Zachary J. MALCHANO , Ruey-Feng PEH , Aseem K. THAKUR , Chris A. ROTHE , Edmund TAM
CPC分类号: A61B1/126 , A61B1/0008 , A61B1/00082 , A61B1/00089 , A61B1/00165 , A61B1/051
摘要: Methods and apparatus for efficient purging from an imaging hood are described which facilitate the visualization of tissue regions through a clear fluid. Such a system may include an imaging hood having one or more layers covering the distal opening and defines one or more apertures which control the infusion and controlled retention of the clearing fluid into the hood. In this manner, the amount of clearing fluid may be limited and the clarity of the imaging of the underlying tissue through the fluid within the hood may be maintained for relatively longer periods of time by inhibiting, delaying, or preventing the infusion of surrounding blood into the viewing field. The aperture size may be controlled to decrease or increase through selective inflation of the membrane or other mechanisms.
摘要翻译: 描述了用于从成像罩高效清洗的方法和装置,其通过透明流体促进组织区域的可视化。 这样的系统可以包括具有覆盖远端开口的一层或多层的成像罩,并且限定一个或多个孔,其控制输液并将清除流体控制在罩中。 以这种方式,可以限制清除液体的量,并且可以通过抑制,延迟或防止将周围血液输注到相对更长的时间段内,使通过罩内的流体的潜在组织的成像清晰度 视野。 可以通过膜或其它机构的选择性膨胀来控制孔径尺寸以减小或增加。
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公开(公告)号:US20080188759A1
公开(公告)日:2008-08-07
申请号:US12026455
申请日:2008-02-05
申请人: Vahid SAADAT , Edmund TAM , Chris A. ROTHE , David MILLER , Ruey-Feng PEH
发明人: Vahid SAADAT , Edmund TAM , Chris A. ROTHE , David MILLER , Ruey-Feng PEH
IPC分类号: A61B6/00
CPC分类号: A61B1/00089 , A61B1/0008 , A61B1/00147 , A61B1/00165 , A61B1/015 , A61B1/018 , A61B1/05 , A61B1/051 , A61B1/12 , A61B1/3137 , A61B1/32 , A61B5/6851 , A61B6/503 , A61B17/29 , A61B18/00 , A61B18/18
摘要: Flow reduction hood systems are described which facilitate the visualization of tissue regions through a clear fluid. Such a system may include an imaging hood having one or more layers covering the distal opening and defines one or more apertures which control the infusion and controlled retention of the clearing fluid into the hood. In this manner, the amount of clearing fluid may be limited and the clarity of the imaging of the underlying tissue through the fluid within the hood may be maintained for relatively longer periods of time by inhibiting, delaying, or preventing the infusion of surrounding blood into the viewing field. The aperture size may be controlled to decrease or increase through selective inflation of the membrane or other mechanisms.
摘要翻译: 描述了减少排气罩系统,其通过透明流体促进组织区域的可视化。 这样的系统可以包括具有覆盖远端开口的一层或多层的成像罩,并且限定一个或多个孔,其控制输液并将清除流体控制在罩中。 以这种方式,可以限制清除液体的量,并且可以通过抑制,延迟或防止将周围血液输注到相对更长的时间段内,使通过罩内的流体的潜在组织的成像清晰度 视野。 可以通过膜或其它机构的选择性膨胀来控制孔径尺寸以减小或增加。
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公开(公告)号:US20100004633A1
公开(公告)日:2010-01-07
申请号:US12499011
申请日:2009-07-07
申请人: Chris A. ROTHE , Juan Diego PEREA , David MILLER , Vahid SAADAT , Zachary J. MALCHANO , Ruey-Feng PEH
发明人: Chris A. ROTHE , Juan Diego PEREA , David MILLER , Vahid SAADAT , Zachary J. MALCHANO , Ruey-Feng PEH
IPC分类号: A61M25/01
CPC分类号: A61M25/0147 , A61M25/0074 , A61M25/0082 , A61M25/0105 , A61M25/0136 , A61M2025/015
摘要: Catheter control systems which facilitate the tracking of an angle of deflection of a catheter distal end can be used for any number of procedures where catheter orientation relative to the body is desirable, e.g., in transseptal access procedures where an accurate angle of puncture of the septal wall is desirable. Such control systems may comprise a steerable handle which is oriented relative to the catheter steerable section to provide for consistent catheter articulation upon corresponding manipulation of the steering ring. Another variation may utilize an orientation indicator to track the deflectable distal end. For instance, an orientation marker as visualized through an imaging hood on the distal end may correspond to identical orientation markers on the control handle such that articulation of a steering mechanism in a direction relative to the orientation markers deflects the catheter distal end in a corresponding direction relative to the visualized orientation markers.
摘要翻译: 促进跟踪导管远端的偏转角度的导管控制系统可以用于需要相对于身体的导管取向的任何数量的程序,例如,在经验性进入手术中,其间隔的穿刺准确角度 墙是理想的。 这样的控制系统可以包括相对于导管可转向部分定向的可操纵手柄,以在相应操纵转向环时提供一致的导管关节运动。 另一种变型可以利用取向指示器来跟踪可偏转的远端。 例如,通过远端上的成像罩可视化的取向标记可以对应于控制手柄上的相同的取向标记,使得转向机构在相对于定向标记的方向上的关节转动导管远端在相应方向 相对于可视化的取向标记。
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公开(公告)号:US20090143640A1
公开(公告)日:2009-06-04
申请号:US12323281
申请日:2008-11-25
申请人: Vahid SAADAT , Ruey-Feng PEH , Zachary J. MALCHANO , David MILLER , Chris A. ROTHE , Juan Diego PEREA
发明人: Vahid SAADAT , Ruey-Feng PEH , Zachary J. MALCHANO , David MILLER , Chris A. ROTHE , Juan Diego PEREA
CPC分类号: A61B1/3132 , A61B1/00089 , A61B1/018 , A61B18/0218 , A61B18/1206 , A61B18/1492 , A61B2018/00029 , A61B2018/0022 , A61B2018/00577 , A61B2018/00982 , A61B2018/0262 , A61B2218/002
摘要: Combination imaging and treatment assemblies are described herein which may utilize a deployment catheter in combination with an endoscopic system. The combined system comprises an open architecture to modularly incorporate any number of imaging devices (such as optical fiber, CMOS or CCD endoscopes) to provide high resolution optical images of tissue within an opaque environment. Additional variations may include an imaging hood or balloon member incorporated upon an endoscope or advanced through an endoscope working channel to visualize and treat tissue through blood.
摘要翻译: 本文描述了组合成像和治疗组件,其可以利用与内窥镜系统组合的展开导管。 组合系统包括开放架构,以模块化地并入任何数量的成像装置(诸如光纤,CMOS或CCD内窥镜),以在不透明环境内提供组织的高分辨率光学图像。 另外的变化可以包括结合在内窥镜上或者通过内窥镜工作通道前进的成像罩或气囊构件,以通过血液显现和处理组织。
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公开(公告)号:US20090062790A1
公开(公告)日:2009-03-05
申请号:US12201811
申请日:2008-08-29
申请人: Zachary J. MALCHANO , Ruey-Feng PEH , David MILLER , Edmund TAM , Vahid SAADAT , Aseem K. THAKUR
发明人: Zachary J. MALCHANO , Ruey-Feng PEH , David MILLER , Edmund TAM , Vahid SAADAT , Aseem K. THAKUR
IPC分类号: A61B18/14
CPC分类号: A61B18/1492 , A61B1/00165 , A61B18/1477 , A61B2018/00285 , A61B2018/00577 , A61B2018/1425 , A61B2218/002
摘要: Direct visualization bipolar ablation systems are described which utilize bipolar electrode arrangements. Such assemblies are configured to facilitate the application of bipolar energy delivery, such as RF ablation, to an underlying target tissue for treatment in a controlled manner while directly visualizing the tissue during the bipolar ablation process.
摘要翻译: 描述了使用双极电极布置的直接可视化双极烧蚀系统。 这种组件被配置为便于将双极能量输送(例如RF消融)应用于潜在的靶组织,以受控的方式进行治疗,同时在双极烧蚀过程期间直接使组织可视化。
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公开(公告)号:US20130023731A1
公开(公告)日:2013-01-24
申请号:US13526254
申请日:2012-06-18
申请人: Vahid SAADAT , Chris A. ROTHE , Edmund A. TAM , Ruey-Feng PEH
发明人: Vahid SAADAT , Chris A. ROTHE , Edmund A. TAM , Ruey-Feng PEH
IPC分类号: A61B1/06
CPC分类号: A61B1/00085 , A61B1/0008 , A61B1/00082 , A61B1/00089 , A61B1/00091 , A61B1/00177 , A61B1/005 , A61B1/012 , A61B1/015 , A61B1/018 , A61B1/04 , A61B5/02007 , A61B5/6882 , A61B8/12 , A61B17/00234 , A61B17/0057 , A61B17/0401 , A61B17/0469 , A61B17/0487 , A61B17/22012 , A61B18/24 , A61B2017/048 , A61B2017/0496
摘要: Tissue visualization devices and variations thereof are described herein where such devices may utilize a variety of methods for facilitating clearing of the device of opaque bodily fluids and sealing between the device and the underlying tissue surface. Additionally, methods and devices for enhancing navigation of the device through a patient body are also described.
摘要翻译: 本文描述了组织可视化装置及其变型,其中这样的装置可以利用各种方法来促进不透明体液的装置的清除和装置与下面的组织表面之间的密封。 此外,还描述了用于增强穿过患者身体的装置导航的方法和装置。
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