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    • 78. 发明申请
    • Medical instruments and techniques for treating pulmonary disorders
    • 用于治疗肺部疾病的医疗仪器和技术
    • US20080132826A1
    • 2008-06-05
    • US11158930
    • 2005-06-22
    • John H. ShadduckMichael Hoey
    • John H. ShadduckMichael Hoey
    • A61M37/00
    • A61B18/04A61B17/32037A61B2017/00809A61B2018/00315A61B2018/048
    • A surgical instrument for delivering energy to lung tissue, for example to cause lung volume reduction. In one embodiment, an elongated catheter has a handle portion that includes an interior chamber that is supplied with a biocompatible liquid media under pressure. An energy source delivers energy to the media to cause a liquid-to-vapor phase change within the interior chamber and ejects a flow of vapor media from the working end of the catheter. The delivery of energy and the flow of vapor are controlled by a computer controller to cause a selected pressure and selected volume of vapor to propagate to the extremities of the airways. Contemporaneously, the vapor undergoes a vapor-to-liquid phase transition which delivers a large amount of energy to airway tissue. The thermal energy delivered is equivalent to the heat of vaporization of the fluid media, which shrinks and collapses the treated airways. The treated tissue is the maintained in a collapsed state by means of aspiration for a short interval to enhance tissue remodeling. Thereafter, the patient's wound healing response causes fibrosis and further remodeling to cause permanent lung volume reduction.
    • 用于向肺组织递送能量的手术器械,例如以减少肺容积。 在一个实施例中,细长导管具有手柄部分,该手柄部分包括在压力下供应生物相容性液体介质的内部腔室。 能量源将能量传递到介质以在内部室内引起液体 - 气相变化,并从导管的工作端喷出蒸气介质流。 能量的传递和蒸气的流动由计算机控制器控制,以使所选压力和选定体积的蒸气传播到气道的末端。 同时,蒸气经历气 - 液相转移,其将大量的能量传递给气道组织。 传递的热能相当于流体介质的蒸发热量,这会使经过处理的气道收缩和收缩。 经处理的组织通过抽吸短时间保持在折叠状态以增强组织重塑。 此后,患者的伤口愈合反应引起纤维化并进一步重塑以造成永久肺容积减少。
    • 80. 发明申请
    • Pen-type electrosurgical instrument
    • 笔式电外科器械
    • US20070118114A1
    • 2007-05-24
    • US11656607
    • 2007-01-23
    • Peter MillerMichael Hoey
    • Peter MillerMichael Hoey
    • A61B18/14
    • A61B18/1402A61B18/1815A61B2018/00196A61B2018/00291A61B2018/1253A61B2018/1417A61B2018/1472A61B2018/1475A61B2018/1861A61B2218/002A61B2218/007A61M3/0279
    • An electrocautery device is disclosed. In accordance with one aspect of the invention, the electrocautery electrode/tip is provided with a hollow, conductive tube terminating at its distal end in a ball point type tip. Fluid, preferably conductive fluid, is applied to the proximal end of the hollow electode/tip, and expelled from the distal end therof during electrocautery. The ball point distal tip allows the distal tip to be directly applied to the tissue and “rolled” or slid along the tissue. This allows the distal tip to be moved across the tissue without dragging or snagging on the tissue. In addition, the conductive fluid expelled from the distal tip further lubricates the distal tip as it moves across the tissue. If conductive fluid is used, the conductive fluid emanating from the electrode/tip conducts the RF electrocautery energy away from the distal tip so that it is primarily the fluid, rather than the distal tip that actually accomplishes the cauterizing of tissue. That is, the fluid serves as a “virtual” electrocautery electrode. Since it is the fluid, rather than the distal tip that cauterizes, coagulates and ablates, no burns or perforations are made to the tissue, reducing the amount of debris at the site. Also, the flow of fluid through the electrode/tip tends to keep the distal tip clean and cool.
    • 公开了电灼装置。 根据本发明的一个方面,电烙电极/尖端设置有中空的导电管,其末端终止于球形尖端。 流体,优选导电流体被​​施加到中空电极/尖端的近端,并且在电烙术期间从远端脚部排出。 球头远侧末端允许远侧末端直接施加到组织并且“滚动”或沿着组织滑动。 这允许远侧末端移动穿过组织而不会在组织上拖动或阻塞。 此外,从远侧末梢排出的导电流体在远端处移动穿过组织时进一步润滑远端。 如果使用导电流体,则从电极/尖端发出的导电流体将RF电灼能远离远端尖端传导,使得其主要是流体,而不是实际完成组织烧灼的远端。 也就是说,流体用作“虚拟”电烙电极。 由于它是流体,而不是灼烧,凝结和消融的远端,不会对组织造成烧伤或穿孔,减少了现场的碎片数量。 此外,通过电极/尖端的流体流趋向于保持远端尖端清洁和冷却。