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    • 3. 发明授权
    • Peripheral seal for a ventricular partitioning device
    • 心室分隔装置的外围密封
    • US07582051B2
    • 2009-09-01
    • US11151164
    • 2005-06-10
    • Alexander KhairkhahanHugh R. SharkeySerjan D. NikolicBranislav Radovancevic
    • Alexander KhairkhahanHugh R. SharkeySerjan D. NikolicBranislav Radovancevic
    • A61F2/00
    • A61B17/12022A61B17/12122A61B17/12172A61B17/1219A61B2017/00243A61B2017/12095A61B2017/22061
    • A partitioning device for separating a patient's heart chamber into a productive portion and a non-productive portion which is suitable for treating patients with heart disease, particularly congestive heart failure. The partitioning device has a reinforced membrane with outwardly biased members to help seal the periphery of the membrane against the wall of the patient's heart chamber. In one embodiment, the outwardly biased member is an expansive strand that extends between adjacent ribs of an expandable frame which reinforces the membrane. In another embodiment, the outwardly biased member is a hydrophilic body such as foam which swells upon contact with body fluid such as blood in the heart chamber. The reinforced membrane has a central hub with a distally extending support stem with a plurality of feet which extend radially from a centerline axis and preferably have ends that are aligned in a common plane. The ends of the pods which extend radially away from the centerline axis may be interconnected by flexible struts and/or webs.
    • 一种用于将患者心室分离为生产部分和非生产性部分的分配装置,其适用于治疗患有心脏病,特别是充血性心力衰竭的患者。 分隔装置具有增强的膜,其具有向外偏置的构件,以帮助将膜的周边密封抵靠患者心室的壁。 在一个实施例中,向外偏置的构件是在可扩展框架的相邻肋之间延伸的膨胀股线,其可加强膜。 在另一个实施方案中,向外偏压的构件是亲水体,例如泡沫,当与心液室中的体液如血液接触时膨胀。 加强膜具有中心毂,其具有远端延伸的支撑杆,多个脚从中心线径向延伸,并且优选地具有在公共平面中对准的端部。 从径向远离中心线轴线延伸的荚的端部可通过柔性支柱和/或腹板相互连接。
    • 6. 发明授权
    • Electrosurgical instrument having a predetermined heat profile
    • 具有预定热分布的电外科器械
    • US06757565B2
    • 2004-06-29
    • US10071470
    • 2002-02-08
    • Hugh R. SharkeyJohn E. AshleyKobi Iki
    • Hugh R. SharkeyJohn E. AshleyKobi Iki
    • A61F712
    • A61B18/148
    • An electrosurgical instrument is provided, having a holding formation, an elongated probe, an electrode, and a conductor. The elongated probe is connected to and extends from the holding formation. The electrode is located on an end of the elongated probe opposing the holding formation, and has a leading edge and a face. The electrode is locatable so that the face is substantially in a horizontal plane and the leading edge is above the horizontal plane. The conductor extends along the elongated probe and has a portion connected to the electrode to provide RF power thereto. The electrode creates a temperature profile with a temperature adjacent to the leading edge being higher than a temperature adjacent to the face.
    • 提供了一种具有保持结构,细长探针,电极和导体的电外科器械。 细长的探针连接到保持结构并从保持结构延伸。 电极位于与保持结构相对的细长探针的端部上,并且具有前缘和面。 电极是可定位的,使得所述面基本上处于水平面并且前缘在水平面之上。 导体沿着细长的探针延伸并且具有连接到电极的部分以向其提供RF功率。 电极产生温度曲线,其中与前缘相邻的温度高于与面相邻的温度。
    • 10. 发明授权
    • Soft tissue heating apparatus with independent, cooperative heating sources
    • 软组织加热装置具有独立的协调加热源
    • US06358273B1
    • 2002-03-19
    • US09289459
    • 1999-04-09
    • Bruno StrulHugh R. SharkeyDaren L. Stewart
    • Bruno StrulHugh R. SharkeyDaren L. Stewart
    • A61F700
    • A61B18/148A61B18/1492A61B2018/00005A61B2018/00714A61B2018/00791A61B2018/00815A61B2018/1253
    • A medical probe for the heating of soft tissue, such as collagen tissue, wherein the medical probe has an elongated body with a proximal and distal end, a heating source, an RF electrode. Optional components include a thermocouple, and an insulative sleeve. The probe's elongated body is preferably hollow and flexible. The RF electrode and the heating source are powered by independently controlled power sources and cooperate to maintain a constant and smooth temperature to the distal end of the RF electrode. The heating source may be a contained liquid, such as saline, or an electrothermal mass, such as a ferrite, a toroid, a resistive element, or the like. Current induced from the conductor to the heating source creates heat in the heating source. The thermocouple measures the temperature of the heating source and adjusts the power to the conductor to maintain the heating source's temperature.
    • 用于加热软组织(例如胶原组织)的医疗探针,其中医疗探针具有带近端和远端的细长体,加热源,RF电极。 可选组件包括热电偶和绝缘套管。 探头的细长体优选是中空的和柔性的。 RF电极和加热源由独立控制的电源供电,并协调以保持恒定且平稳的温度到RF电极的远端。 加热源可以是诸如盐水的包含的液体,或诸如铁氧体,环形线圈,电阻元件等的电热物质。 从导体引导到加热源的电流在加热源中产生热量。 热电偶测量加热源的温度,并调整导体的功率以保持加热源的温度。